Keep back stack of navigation controller clean.

closes #12

.drone.yml

@@ -0,0 +1,74 @@
+---
+kind: pipeline
+type: docker
+name: Android
+
+steps:
+- name: prepare signing
+  image: busybox
+  environment:
+    STOREPASSWORD:
+      from_secret: StorePassword
+    KEYPASSWORD:
+      from_secret: KeyPassword
+  commands:
+  - touch keystore.properties
+  - echo "storePassword=$STOREPASSWORD" >> keystore.properties
+  - echo "keyPassword=$KEYPASSWORD" >> keystore.properties
+  - echo "keyAlias=key0" >> keystore.properties
+  - echo "storeFile=../AndroidKey" >> keystore.properties
+
+- name: generate versionCode
+  image: busybox
+  commands:
+  - touch version.properties
+  - let timestamp=$(date +%s)/10 
+  - echo "versionCode=$timestamp" >> version.properties
+
+- name: build
+  image: mingc/android-build-box
+  commands:
+  - ./gradlew test
+  - ./gradlew assembleRelease
+  - ./gradlew bundleRelease
+
+- name: deploy latest build
+  image: curlimages/curl
+  environment:
+    SEAFILE_API_KEY:
+      from_secret: SeafileApiKey
+    APK_FILE: app/build/outputs/apk/release/app-release.apk
+    BUNDLE_FILE: app/build/outputs/bundle/release/app-release.aab
+    SEAFILE_REPO: daffda8b-5840-4a65-b6d0-73b991facfb6
+  commands:
+  - 'UPLOAD_URL=$(curl -H "Authorization: Token $SEAFILE_API_KEY" https://seafile.zobrist.me/api2/repos/$SEAFILE_REPO/upload-link/ | tr -d "\"")'
+  - 'curl -H "Authorization: Token $SEAFILE_API_KEY" -F file=@$APK_FILE    -F parent_dir=/ -F relative_path=latest/ -F replace=1 "$UPLOAD_URL"'
+  - 'curl -H "Authorization: Token $SEAFILE_API_KEY" -F file=@$BUNDLE_FILE -F parent_dir=/ -F relative_path=latest/ -F replace=1 "$UPLOAD_URL"'
+
+- name: deploy tagged build
+  image: curlimages/curl
+  environment:
+    SEAFILE_API_KEY:
+      from_secret: SeafileApiKey
+    APK_FILE: app/build/outputs/apk/release/app-release.apk
+    BUNDLE_FILE: app/build/outputs/bundle/release/app-release.aab
+    SEAFILE_REPO: daffda8b-5840-4a65-b6d0-73b991facfb6
+  commands:
+  - 'UPLOAD_URL=$(curl -H "Authorization: Token $SEAFILE_API_KEY" https://seafile.zobrist.me/api2/repos/$SEAFILE_REPO/upload-link/ | tr -d "\"")'
+  - 'curl -H "Authorization: Token $SEAFILE_API_KEY" -F file=@$APK_FILE    -F parent_dir=/ -F relative_path=tagged/$DRONE_TAG/ -F replace=1 "$UPLOAD_URL"'
+  - 'curl -H "Authorization: Token $SEAFILE_API_KEY" -F file=@$BUNDLE_FILE -F parent_dir=/ -F relative_path=tagged/$DRONE_TAG/ -F replace=1 "$UPLOAD_URL"'
+  - 'curl -d "operation=rename&newname=app-release$DRONE_TAG.apk" -H "Authorization: Token $SEAFILE_API_KEY" https://seafile.zobrist.me/api2/repos/$SEAFILE_REPO/file/?p=/tagged/$DRONE_TAG/app-release.apk'
+  - 'curl -d "operation=rename&newname=app-release$DRONE_TAG.aab" -H "Authorization: Token $SEAFILE_API_KEY" https://seafile.zobrist.me/api2/repos/$SEAFILE_REPO/file/?p=/tagged/$DRONE_TAG/app-release.aab'
+  when:
+    event:
+    - tag
+
+- name: slack notification
+  image: plugins/slack
+  settings:
+    webhook:
+      from_secret: SlackWebhook
+  when:
+    status:
+    - failure
+    - success

.gitignore

@@ -12,3 +12,6 @@
 /captures
 .externalNativeBuild
 .cxx
+.idea
+keystore.properties
+version.properties

.idea/.name

@@ -1 +0,0 @@
-Tichu Counter

.idea/codeStyles/Project.xml

@@ -1,138 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <JetCodeStyleSettings>
-      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
-        <value>
-          <package name="java.util" alias="false" withSubpackages="false" />
-          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
-          <package name="io.ktor" alias="false" withSubpackages="true" />
-        </value>
-      </option>
-      <option name="PACKAGES_IMPORT_LAYOUT">
-        <value>
-          <package name="" alias="false" withSubpackages="true" />
-          <package name="java" alias="false" withSubpackages="true" />
-          <package name="javax" alias="false" withSubpackages="true" />
-          <package name="kotlin" alias="false" withSubpackages="true" />
-          <package name="" alias="true" withSubpackages="true" />
-        </value>
-      </option>
-      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
-    </JetCodeStyleSettings>
-    <codeStyleSettings language="XML">
-      <indentOptions>
-        <option name="CONTINUATION_INDENT_SIZE" value="4" />
-      </indentOptions>
-      <arrangement>
-        <rules>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:android</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>xmlns:.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:id</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*:name</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>name</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>style</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>^$</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>ANDROID_ATTRIBUTE_ORDER</order>
-            </rule>
-          </section>
-          <section>
-            <rule>
-              <match>
-                <AND>
-                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
-                  <XML_NAMESPACE>.*</XML_NAMESPACE>
-                </AND>
-              </match>
-              <order>BY_NAME</order>
-            </rule>
-          </section>
-        </rules>
-      </arrangement>
-    </codeStyleSettings>
-    <codeStyleSettings language="kotlin">
-      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
-    </codeStyleSettings>
-  </code_scheme>
-</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -1,5 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <state>
-    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
-  </state>
-</component>

.idea/dictionaries/fabian.xml

@@ -1,10 +0,0 @@
-<component name="ProjectDictionaryState">
-  <dictionary name="fabian">
-    <words>
-      <w>checkmark</w>
-      <w>tichu</w>
-      <w>tichucounter</w>
-      <w>zobrist</w>
-    </words>
-  </dictionary>
-</component>

.idea/gradle.xml

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="testRunner" value="PLATFORM" />
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="1.8" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-            <option value="$PROJECT_DIR$/app" />
-          </set>
-        </option>
-        <option name="resolveModulePerSourceSet" value="false" />
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>

.idea/jarRepositories.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="BintrayJCenter" />
-      <option name="name" value="BintrayJCenter" />
-      <option name="url" value="https://jcenter.bintray.com/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="Google" />
-      <option name="name" value="Google" />
-      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
-    </remote-repository>
-  </component>
-</project>

.idea/misc.xml

@@ -1,48 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="NullableNotNullManager">
-    <option name="myDefaultNullable" value="androidx.annotation.Nullable" />
-    <option name="myDefaultNotNull" value="androidx.annotation.NonNull" />
-    <option name="myNullables">
-      <value>
-        <list size="12">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
-          <item index="2" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
-          <item index="3" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
-          <item index="4" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
-          <item index="5" class="java.lang.String" itemvalue="androidx.annotation.Nullable" />
-          <item index="6" class="java.lang.String" itemvalue="android.annotation.Nullable" />
-          <item index="7" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNullable" />
-          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.Nullable" />
-          <item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableDecl" />
-          <item index="10" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableType" />
-          <item index="11" class="java.lang.String" itemvalue="com.android.annotations.Nullable" />
-        </list>
-      </value>
-    </option>
-    <option name="myNotNulls">
-      <value>
-        <list size="11">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
-          <item index="4" class="java.lang.String" itemvalue="androidx.annotation.NonNull" />
-          <item index="5" class="java.lang.String" itemvalue="android.annotation.NonNull" />
-          <item index="6" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNonNull" />
-          <item index="7" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.NonNull" />
-          <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullDecl" />
-          <item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullType" />
-          <item index="10" class="java.lang.String" itemvalue="com.android.annotations.NonNull" />
-        </list>
-      </value>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-</project>

.idea/runConfigurations.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>

app/.gitignore

@@ -1 +1,2 @@
-/build
+/build
+/release

app/build.gradle

@@ -1,28 +1,76 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'com.google.dagger.hilt.android'
+    id 'kotlin-kapt'
+}
+
+// Create a variable called keystorePropertiesFile, and initialize it to your
+// keystore.properties file, in the rootProject folder.
+def keystorePropertiesFile = rootProject.file("keystore.properties")
+def versionPropertiesFile = rootProject.file("version.properties")
+
+
+// Initialize a new Properties() object called keystoreProperties.
+def keystoreProperties = new Properties()
+def versionProperties = new Properties()
+
+def versionMajor = 2
+def versionMinor = 0
+
+// Load your keystore.properties file into the keystoreProperties object.
+keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+versionProperties.load(new FileInputStream(versionPropertiesFile))
+
 
 android {
-    compileSdkVersion 30
-    buildToolsVersion "30.0.2"
+    compileSdkVersion 33
 
     defaultConfig {
         applicationId "me.zobrist.tichucounter"
-        minSdkVersion 16
-        targetSdkVersion 30
-        versionCode 3
-        versionName "1.0.0Beta2"
-
+        minSdkVersion 21
+        targetSdkVersion 33
+        versionCode versionProperties["versionCode"].toInteger()
+        versionName "${versionMajor}.${versionMinor}.${versionProperties["versionCode"].toInteger()}"
+        resConfigs 'de', 'en'
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-    }
+        multiDexEnabled true
+        vectorDrawables {
+            useSupportLibrary true
+        }
 
+        javaCompileOptions {
+            annotationProcessorOptions {
+                arguments += ["room.schemaLocation": "$projectDir/schemas".toString()]
+            }
+        }
+    }
+    signingConfigs {
+        create("release") {
+            keyAlias = keystoreProperties["keyAlias"]
+            keyPassword = keystoreProperties["keyPassword"]
+            storeFile = file(keystoreProperties["storeFile"])
+            storePassword = keystoreProperties["storePassword"]
+        }
+    }
     buildTypes {
         release {
             minifyEnabled true
             shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig = signingConfigs.getByName("release")
         }
     }
+
+    buildFeatures {
+        viewBinding = true
+        compose = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.3.2"
+    }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
@@ -30,19 +78,58 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+    namespace 'me.zobrist.tichucounter'
+    packagingOptions {
+        resources {
+            excludes += '/META-INF/{AL2.0,LGPL2.1}'
+        }
+    }
 }
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.3.1'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'com.google.android.material:material:1.2.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.0'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.3.0'
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.appcompat:appcompat:1.6.0-rc01'
+    implementation "androidx.compose.material3:material3:1.0.1"
+    implementation 'com.google.android.play:core-ktx:1.8.1'
+    implementation 'com.google.android.play:core-ktx:1.8.1'
+    implementation 'com.google.code.gson:gson:2.9.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.5.3'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.5.3'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
+    implementation 'androidx.fragment:fragment-ktx:1.5.5'
+    implementation 'androidx.preference:preference-ktx:1.2.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.5.1'
+    implementation 'androidx.compose.material:material-icons-extended:1.3.1'
+    implementation "com.google.accompanist:accompanist-systemuicontroller:0.27.0"
+    implementation 'androidx.activity:activity-compose:1.6.1'
+    implementation "androidx.compose.ui:ui:1.3.3"
+    implementation "androidx.compose.ui:ui-tooling-preview:1.3.3"
+    implementation "androidx.compose.runtime:runtime-livedata:1.3.3"
+    implementation "androidx.navigation:navigation-compose:2.5.3"
+    implementation "androidx.lifecycle:lifecycle-viewmodel-compose:2.5.1"
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    implementation "com.google.dagger:hilt-android:2.44"
+    androidTestImplementation "androidx.compose.ui:ui-test-junit4:1.3.3"
+    debugImplementation "androidx.compose.ui:ui-tooling:1.3.3"
+    debugImplementation "androidx.compose.ui:ui-test-manifest:1.3.3"
+    kapt "com.google.dagger:hilt-compiler:2.44"
+    implementation "androidx.room:room-runtime:2.5.0"
+    annotationProcessor "androidx.room:room-compiler:2.5.0"
+    kapt "androidx.room:room-compiler:2.5.0"
+    implementation "androidx.room:room-ktx:2.5.0"
+    implementation "androidx.multidex:multidex:2.0.1"
+    api "androidx.navigation:navigation-fragment-ktx:2.5.3"
+}
 
+// Allow references to generated code
+kapt {
+    correctErrorTypes true
 }

app/schemas/me.zobrist.tichucounter.data.AppDatabase/1.json

@@ -0,0 +1,102 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 1,
+    "identityHash": "1739540cd7d5436941316932a1036d83",
+    "entities": [
+      {
+        "tableName": "Round",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`gameId` INTEGER NOT NULL, `scoreA` INTEGER NOT NULL, `scoreB` INTEGER NOT NULL, `uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "gameId",
+            "columnName": "gameId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scoreA",
+            "columnName": "scoreA",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scoreB",
+            "columnName": "scoreB",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "uid",
+            "columnName": "uid",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "uid"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Game",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`active` INTEGER NOT NULL, `nameA` TEXT NOT NULL, `nameB` TEXT NOT NULL, `created` INTEGER NOT NULL, `modified` INTEGER NOT NULL, `uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "active",
+            "columnName": "active",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nameA",
+            "columnName": "nameA",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nameB",
+            "columnName": "nameB",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "created",
+            "columnName": "created",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modified",
+            "columnName": "modified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "uid",
+            "columnName": "uid",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "uid"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '1739540cd7d5436941316932a1036d83')"
+    ]
+  }
+}

app/schemas/me.zobrist.tichucounter.data.AppDatabase/2.json

@@ -0,0 +1,102 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 2,
+    "identityHash": "1739540cd7d5436941316932a1036d83",
+    "entities": [
+      {
+        "tableName": "Round",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`gameId` INTEGER NOT NULL, `scoreA` INTEGER NOT NULL, `scoreB` INTEGER NOT NULL, `uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "gameId",
+            "columnName": "gameId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scoreA",
+            "columnName": "scoreA",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scoreB",
+            "columnName": "scoreB",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "uid",
+            "columnName": "uid",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "uid"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Game",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`active` INTEGER NOT NULL, `nameA` TEXT NOT NULL, `nameB` TEXT NOT NULL, `created` INTEGER NOT NULL, `modified` INTEGER NOT NULL, `uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "active",
+            "columnName": "active",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nameA",
+            "columnName": "nameA",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nameB",
+            "columnName": "nameB",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "created",
+            "columnName": "created",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modified",
+            "columnName": "modified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "uid",
+            "columnName": "uid",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "uid"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '1739540cd7d5436941316932a1036d83')"
+    ]
+  }
+}

app/src/androidTest/java/me/zobrist/tichucounter/ExampleInstrumentedTest.kt

@@ -1,13 +1,11 @@
 package me.zobrist.tichucounter
 
-import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.ext.junit.runners.AndroidJUnit4
-
+import androidx.test.platform.app.InstrumentationRegistry
+import org.junit.Assert.*
 import org.junit.Test
 import org.junit.runner.RunWith
 
-import org.junit.Assert.*
-
 /**
  * Instrumented test, which will execute on an Android device.
  *

app/src/main/AndroidManifest.xml

@@ -1,25 +1,40 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="me.zobrist.tichucounter">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <application
+        android:name=".framework.TichuCounterApplication"
         android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_descriptor"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:localeConfig="@xml/locales_config"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity
             android:name=".MainActivity"
-            android:windowSoftInputMode="adjustPan"
-            android:label="@string/app_name"
-            android:theme="@style/AppTheme.NoActionBar">
+            android:exported="true"
+            android:windowSoftInputMode="adjustPan">
+            <meta-data
+                android:name="android.app.lib_name"
+                android:value="" />
+
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <service
+            android:name="androidx.appcompat.app.AppLocalesMetadataHolderService"
+            android:enabled="false"
+            android:exported="false">
+            <meta-data
+                android:name="autoStoreLocales"
+                android:value="true" />
+        </service>
     </application>
 
 </manifest>

app/src/main/java/me/zobrist/tichucounter/History.kt

@@ -1,83 +0,0 @@
-@file:Suppress("unused")
-
-package me.zobrist.tichucounter
-
-import android.os.Parcel
-import android.os.Parcelable
-
-class History() : Parcelable {
-    private var scores: ArrayList<Round> = ArrayList()
-
-    constructor(parcel: Parcel) : this() {
-        scores = parcel.readSerializable() as ArrayList<Round>
-    }
-
-    fun getScoreA(): Int {
-        var tempScore = 0
-        scores.forEach {
-            tempScore += it.scoreA
-        }
-        return tempScore
-    }
-
-    fun getScoreB(): Int {
-        var tempScore = 0
-        scores.forEach {
-            tempScore += it.scoreB
-        }
-        return tempScore
-    }
-
-    fun getHistoryA(): String {
-        var tempHistory = String()
-        scores.forEach {
-            tempHistory = tempHistory.plus(it.scoreA.toString()).plus("\n")
-        }
-        return tempHistory
-    }
-
-    fun getHistoryB(): String {
-        var tempHistory = String()
-        scores.forEach {
-            tempHistory = tempHistory.plus(it.scoreB.toString()).plus("\n")
-        }
-        return tempHistory
-    }
-
-    fun logRound(round: Round) {
-        scores.add(round)
-    }
-
-    fun revertLastRound() {
-        if (scores.isNotEmpty()) {
-            scores.removeAt(scores.size - 1)
-        }
-    }
-
-    fun clearAll() {
-        scores.clear()
-    }
-
-    fun isEmpty(): Boolean {
-        return scores.isEmpty()
-    }
-
-    override fun writeToParcel(parcel: Parcel, flags: Int) {
-        parcel.writeSerializable(scores)
-    }
-
-    override fun describeContents(): Int {
-        return 0
-    }
-
-    companion object CREATOR : Parcelable.Creator<History> {
-        override fun createFromParcel(parcel: Parcel): History {
-            return History(parcel)
-        }
-
-        override fun newArray(size: Int): Array<History?> {
-            return arrayOfNulls(size)
-        }
-    }
-
-}

app/src/main/java/me/zobrist/tichucounter/MainActivity.kt

@@ -1,451 +1,234 @@
 package me.zobrist.tichucounter
 
-import android.app.AlertDialog
-import android.content.Context
 import android.os.Bundle
-import android.text.InputType
-import android.view.Menu
-import android.view.MenuItem
 import android.view.WindowManager
-import android.view.inputmethod.InputMethodManager
-import android.widget.ScrollView
+import androidx.activity.compose.setContent
+import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
-import androidx.core.widget.doOnTextChanged
-import kotlinx.android.synthetic.main.content_main.*
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.outlined.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.navigation.NavHostController
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.compose.rememberNavController
+import com.google.accompanist.systemuicontroller.rememberSystemUiController
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+import me.zobrist.tichucounter.domain.*
+import me.zobrist.tichucounter.ui.AppTheme
+import me.zobrist.tichucounter.ui.MainViewModel
+import me.zobrist.tichucounter.ui.about.AboutView
+import me.zobrist.tichucounter.ui.composables.DropDownMenu
+import me.zobrist.tichucounter.ui.counter.*
+import me.zobrist.tichucounter.ui.history.HistoryList
+import me.zobrist.tichucounter.ui.history.HistoryViewModel
+import me.zobrist.tichucounter.ui.layout.DrawerContent
+import me.zobrist.tichucounter.ui.layout.TopBar
+import me.zobrist.tichucounter.ui.settings.SettingsView
+import me.zobrist.tichucounter.ui.settings.SettingsViewModel
+import javax.inject.Inject
 
-class MainActivity : AppCompatActivity() {
+@AndroidEntryPoint
+class MainActivity : AppCompatActivity(), ISettingsChangeListener {
 
-    private var invertA: Boolean = false
-    private var invertB: Boolean = false
+    @Inject
+    lateinit var settingsAdapter: SettingsAdapter
 
-    private var updateOnChange: Boolean = true
+    private val counterViewModel: CounterViewModel by viewModels()
+    private val historyViewModel: HistoryViewModel by viewModels()
+    private val settingsViewModel: SettingsViewModel by viewModels()
+    private val mainViewModel: MainViewModel by viewModels()
 
-    private lateinit var history: History
-    private var currentRound = Round()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
-        setSupportActionBar(findViewById(R.id.toolbar))
-        inputTeamA.setRawInputType(InputType.TYPE_NULL)
-        inputTeamB.setRawInputType(InputType.TYPE_NULL)
-        inputTeamA.requestFocus()
-        disableSubmitButton()
-        updateTheme(this.getSharedPreferences("Settings", Context.MODE_PRIVATE).getInt("Theme", 2))
-        keepScreenOn(
-            this.getSharedPreferences("Settings", Context.MODE_PRIVATE)
-                .getBoolean("Screen_On", false)
-        )
 
+        settingsAdapter.registerOnChangeListener(this)
 
-
-        history = savedInstanceState?.getParcelable("history") ?: History()
-        updateView()
-
-
-        inputTeamA.setOnFocusChangeListener { view, b ->
-            if (b) {
-                hideKeyboard()
-            }
-        }
-
-        inputTeamB.setOnFocusChangeListener { view, b ->
-            if (b) {
-                hideKeyboard()
-            }
-        }
-
-        inputTeamA.doOnTextChanged { text, start, count, after ->
-            if (inputTeamA.isFocused) {
-                if (inputTeamA.text.isNotEmpty()) {
-                    if (updateOnChange) {
-                        currentRound = try {
-                            Round(text.toString().toInt(), true)
-
-                        } catch (e: java.lang.Exception) {
-                            Round(0, 0)
-                        }
-                        inputTeamB.setText(currentRound.scoreB.toString())
-                    } else {
-                        updateOnChange = true
-                    }
-                } else {
-                    inputTeamA.text.clear()
-                    inputTeamB.text.clear()
-                }
-            }
-
-            if (currentRound.isValidRound() && inputTeamA.text.isNotEmpty() && inputTeamB.text.isNotEmpty()) {
-                enableSubmitButton()
-            } else {
-                disableSubmitButton()
-            }
-        }
-
-
-
-        inputTeamB.doOnTextChanged { text, start, count, after ->
-            if (inputTeamB.isFocused) {
-                if (inputTeamB.text.isNotEmpty()) {
-                    if (updateOnChange) {
-                        currentRound = try {
-                            Round(text.toString().toInt(), false)
-
-                        } catch (e: java.lang.Exception) {
-                            Round(0, 0)
-                        }
-                        inputTeamA.setText(currentRound.scoreA.toString())
-
-                    } else {
-                        updateOnChange = true
-                    }
-
-                } else {
-                    inputTeamA.text.clear()
-                    inputTeamB.text.clear()
-                }
-            }
-
-            if (currentRound.isValidRound() && inputTeamA.text.isNotEmpty() && inputTeamB.text.isNotEmpty()) {
-                enableSubmitButton()
-            } else {
-                disableSubmitButton()
-            }
-        }
-
-        buttonAdd100.setOnClickListener {
-            giveFocusToAIfNone()
-
-            if (inputTeamA.isFocused) {
-
-                currentRound.scoreA = try {
-                    inputTeamA.text.toString().toInt() + 100
-                } catch (e: Exception) {
-                    currentRound.scoreB = 0
-                    inputTeamB.setText(currentRound.scoreB.toString())
-                    100
-                }
-                updateOnChange = false
-                inputTeamA.setText(currentRound.scoreA.toString())
-            }
-
-            if (inputTeamB.isFocused) {
-                currentRound.scoreB = try {
-                    inputTeamB.text.toString().toInt() + 100
-                } catch (e: Exception) {
-                    currentRound.scoreA = 0
-                    inputTeamA.setText(currentRound.scoreA.toString())
-                    100
-
-                }
-                updateOnChange = false
-                inputTeamB.setText(currentRound.scoreB.toString())
-
-            }
-        }
-
-        buttonSub100.setOnClickListener {
-            giveFocusToAIfNone()
-
-            if (inputTeamA.isFocused) {
-                currentRound.scoreA = try {
-                    inputTeamA.text.toString().toInt() - 100
-                } catch (e: Exception) {
-                    currentRound.scoreB = 0
-                    inputTeamB.setText(currentRound.scoreB.toString())
-                    -100
-                }
-                updateOnChange = false
-                inputTeamA.setText(currentRound.scoreA.toString())
-            }
-
-            if (inputTeamB.isFocused) {
-                currentRound.scoreB = try {
-                    inputTeamB.text.toString().toInt() - 100
-                } catch (e: Exception) {
-                    currentRound.scoreA = 0
-                    inputTeamA.setText(currentRound.scoreA.toString())
-                    -100
-                }
-                updateOnChange = false
-                inputTeamB.setText(currentRound.scoreB.toString())
-            }
-        }
-
-        button0.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('0')
-        }
-
-        button1.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('1')
-        }
-
-        button2.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('2')
-        }
-
-        button3.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('3')
-        }
-
-        button4.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('4')
-        }
-
-        button5.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('5')
-        }
-
-        button6.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('6')
-        }
-
-        button7.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('7')
-        }
-
-        button8.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('8')
-        }
-
-        button9.setOnClickListener {
-            giveFocusToAIfNone()
-            appendToFocusedInput('9')
-        }
-
-        buttonInv.setOnClickListener {
-            val tempInt: Int
-
-            giveFocusToAIfNone()
-
-            if (inputTeamA.isFocused) {
-                if (inputTeamA.text.isNotEmpty()) {
-                    tempInt = inputTeamA.text.toString().toInt() * -1
-                    inputTeamA.setText(tempInt.toString())
-                } else {
-                    invertB = false
-                    invertA = true
-                }
-
-
-            } else if (inputTeamB.isFocused) {
-                if (inputTeamB.text.isNotEmpty()) {
-                    tempInt = inputTeamB.text.toString().toInt() * -1
-                    inputTeamB.setText(tempInt.toString())
-                } else {
-                    invertA = false
-                    invertB = true
-                }
-            }
-        }
-
-        buttonBack.setOnClickListener {
-            giveFocusToAIfNone()
-
-            if (inputTeamA.isFocused) {
-                if (inputTeamA.text.isNotEmpty()) {
-                    val string = inputTeamA.text.toString()
-                    inputTeamA.setText(string.substring(0, string.length - 1))
-                }
-
-            } else if (inputTeamB.isFocused) {
-                if (inputTeamB.text.isNotEmpty()) {
-                    val string = inputTeamB.text.toString()
-                    inputTeamB.setText(string.substring(0, string.length - 1))
-                }
-            }
-        }
-
-        submit.setOnClickListener {
-            giveFocusToAIfNone()
-
-            if (inputTeamA.text.isNotEmpty() && inputTeamB.text.isNotEmpty()) {
-
-                history.logRound(
-                    Round(
-                        inputTeamA.text.toString().toInt(),
-                        inputTeamB.text.toString().toInt()
-                    )
-                )
-
-                updateView()
-
-                inputTeamA.text.clear()
-                inputTeamB.text.clear()
-                disableSubmitButton()
-
-                scrollViewHistory.fullScroll(ScrollView.FOCUS_DOWN)
+        setContent {
+            AppTheme {
+                val systemUiController = rememberSystemUiController()
+                systemUiController.setStatusBarColor(MaterialTheme.colorScheme.background)
+                NavigationDrawer()
             }
         }
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
-        super.onSaveInstanceState(outState)
-        outState.putParcelable("history", history)
+    override fun onDestroy() {
+        super.onDestroy()
+        settingsAdapter.unregisterOnChangeListener(this)
     }
 
-    override fun onCreateOptionsMenu(menu: Menu): Boolean {
-        // Inflate the menu; this adds items to the action bar if it is present.
-        menuInflater.inflate(R.menu.menu_main, menu)
-
-        menu.findItem(R.id.action_screenOn).isChecked =
-            this.getSharedPreferences("Settings", Context.MODE_PRIVATE)
-                .getBoolean("Screen_On", false)
-        return true
+    override fun onLanguageChanged(language: Language) {
+        AppCompatDelegate.setApplicationLocales(language.value)
     }
 
-
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        return when (item.itemId) {
-            R.id.action_clear -> {
-                val builder = AlertDialog.Builder(this)
-                builder.setMessage(getString(R.string.confirmClear))
-                    .setTitle(R.string.clear)
-                    .setCancelable(false)
-                    .setPositiveButton(getString(R.string.yes)) { dialog, id ->
-                        dialog.dismiss()
-                        clearAll()
-                    }
-                    .setNegativeButton(getString(R.string.no)) { dialog, id ->
-                        dialog.cancel()
-                    }
-
-                builder.create().show()
-                true
-            }
-            R.id.action_undo -> {
-                undoLastRound()
-                true
-            }
-            R.id.action_theme -> {
-                chooseThemeDialog()
-                true
-            }
-            R.id.action_screenOn -> {
-                item.isChecked = !item.isChecked
-                keepScreenOn(item.isChecked)
-                true
-            }
-            else -> super.onOptionsItemSelected(item)
+    override fun onThemeChanged(theme: Theme) {
+        val themeValue = when (theme) {
+            Theme.LIGHT -> AppCompatDelegate.MODE_NIGHT_NO
+            Theme.DARK -> AppCompatDelegate.MODE_NIGHT_YES
+            Theme.DEFAULT -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
         }
+        AppCompatDelegate.setDefaultNightMode(themeValue)
     }
 
-    private fun hideKeyboard() {
-        val imm: InputMethodManager =
-            getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
-        imm.hideSoftInputFromWindow(currentFocus!!.windowToken, 0)
-    }
-
-    private fun giveFocusToAIfNone() {
-        if (!inputTeamA.isFocused && !inputTeamB.isFocused) {
-            inputTeamA.requestFocus()
-        }
-    }
-
-    private fun undoLastRound() {
-        history.revertLastRound()
-        updateView()
-    }
-
-    private fun updateView() {
-        scoreA.text = history.getScoreA().toString()
-        scoreB.text = history.getScoreB().toString()
-
-        historyA.text = history.getHistoryA()
-        historyB.text = history.getHistoryB()
-    }
-
-    private fun clearAll() {
-        historyA.text = ""
-        historyB.text = ""
-        inputTeamA.text.clear()
-        inputTeamB.text.clear()
-        scoreA.text = "0"
-        scoreB.text = "0"
-
-        history.clearAll()
-    }
-
-    private fun appendToFocusedInput(toAppend: Char) {
-        if (inputTeamA.isFocused) {
-            if (invertA) {
-                invertA = false
-                inputTeamA.text.append('-')
-            }
-
-            inputTeamA.text.append(toAppend)
-        } else if (inputTeamB.isFocused) {
-            if (invertB) {
-                invertB = false
-                inputTeamB.text.append('-')
-            }
-            inputTeamB.text.append(toAppend)
-        }
-    }
-
-    private fun enableSubmitButton() {
-        submit.imageAlpha = 255 // 0 being transparent and 255 being opaque
-        submit.isEnabled = true
-    }
-
-    private fun disableSubmitButton() {
-        submit.imageAlpha = 60 // 0 being transparent and 255 being opaque
-        submit.isEnabled = false
-    }
-
-    private fun chooseThemeDialog() {
-
-        val builder = AlertDialog.Builder(this)
-        builder.setTitle(getString(R.string.choose_theme_text))
-        val styles = arrayOf("Light", "Dark", "System default")
-
-        val checkedItem = this.getSharedPreferences("", Context.MODE_PRIVATE).getInt("Theme", 2)
-
-        val prefs = this.getSharedPreferences("Settings", Context.MODE_PRIVATE).edit()
-
-
-        builder.setSingleChoiceItems(styles, checkedItem) { dialog, which ->
-
-            prefs.putInt("Theme", which)
-            prefs.apply()
-
-            updateTheme(which)
-
-            dialog.dismiss()
-        }
-
-        val dialog = builder.create()
-        dialog.show()
-    }
-
-    private fun updateTheme(which: Int) {
-        when (which) {
-            0 -> AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO)
-            1 -> AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)
-            2 -> AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM)
-        }
-        delegate.applyDayNight()
-    }
-
-    private fun keepScreenOn(keepOn: Boolean) {
-        if (keepOn) {
+    override fun onScreenOnChanged(keepOn: KeepScreenOn) {
+        if (keepOn.value) {
             window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         } else {
             window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         }
+    }
 
-        val prefs = this.getSharedPreferences("Settings", Context.MODE_PRIVATE).edit()
-        prefs.putBoolean("Screen_On", keepOn)
-        prefs.apply()
+    @OptIn(ExperimentalMaterial3Api::class)
+    @Composable
+    private fun NavigationDrawer() {
+        val drawerState = rememberDrawerState(DrawerValue.Closed)
+        val scope = rememberCoroutineScope()
+        val navController = rememberNavController()
+
+        val items = listOf(
+            DrawerItem(
+                Route.COUNTER,
+                Icons.Outlined.Calculate,
+                stringResource(R.string.menu_counter)
+            ),
+            DrawerItem(Route.HISTORY, Icons.Outlined.List, stringResource(R.string.menu_history)),
+            DrawerItem(
+                Route.SETTINGS,
+                Icons.Outlined.Settings,
+                stringResource(R.string.menu_settings)
+            ),
+            DrawerItem(
+                Route.ABOUT,
+                Icons.Outlined.Info,
+                stringResource(R.string.menu_about)
+            )
+        )
+
+        val navBackStackEntry by navController.currentBackStackEntryAsState()
+        val currentDestination =
+            Route.valueOf(navBackStackEntry?.destination?.route ?: Route.COUNTER.name)
+
+        ModalNavigationDrawer(
+            drawerState = drawerState,
+            gesturesEnabled = drawerState.isOpen,
+            drawerContent = {
+                DrawerContent(
+                    drawerItems = items,
+                    selectedDrawerItem = items.first { it.route == currentDestination }) {
+                    scope.launch {
+                        drawerState.close()
+
+                    }
+                    navController.navigate(it)
+                }
+            }
+        ) {
+            MyScaffoldLayout(
+                drawerState,
+                scope,
+                navController,
+                counterViewModel.keyboardHidden && (currentDestination == Route.COUNTER)
+            ) { counterViewModel.showKeyboard() }
+        }
+    }
+
+    @OptIn(ExperimentalMaterial3Api::class)
+    @Composable
+    fun MyScaffoldLayout(
+        drawerState: DrawerState,
+        scope: CoroutineScope,
+        navController: NavHostController,
+        showFab: Boolean,
+        fabAction: () -> Unit
+    ) {
+
+        var topBarState by remember { mutableStateOf(TopBarState()) }
+
+        Scaffold(
+            floatingActionButton = {
+                if (showFab) {
+                    FloatingActionButton(
+                        onClick = { fabAction() }) {
+                        Icon(Icons.Outlined.Keyboard, null)
+                    }
+                }
+            },
+            topBar = { TopBar(topBarState) }) { paddings ->
+
+            NavHost(
+                navController = navController,
+                startDestination = Route.COUNTER.name,
+                modifier = Modifier.padding(paddings)
+            ) {
+                composable(Route.COUNTER) {
+
+                    var expanded by remember { mutableStateOf(false) }
+
+                    topBarState = TopBarState(
+                        title = stringResource(R.string.app_name),
+                        actions = (listOf(
+                            TopBarAction(
+                                Icons.Outlined.Undo,
+                                mainViewModel.isUndoActionActive,
+                                { mainViewModel.undoLastRound() }),
+                            TopBarAction(
+                                Icons.Outlined.Redo,
+                                mainViewModel.isRedoActionActive,
+                                { mainViewModel.redoLastRound() }),
+                            TopBarAction(
+                                Icons.Outlined.MoreVert,
+                                mainViewModel.activeGameHasRounds,
+                                { expanded = true }
+                            ) {
+                                DropDownMenu(
+                                    mapOf("new" to R.string.newGame),
+                                    "",
+                                    expanded,
+                                ) {
+                                    expanded = false
+                                    it?.let {
+                                        when (it) {
+                                            "new" -> mainViewModel.newGame()
+                                        }
+                                    }
+                                }
+                            },
+
+                            ))
+                    ) { scope.launch { drawerState.open() } }
+
+                    Counter(counterViewModel)
+                }
+                composable(Route.HISTORY) {
+                    topBarState =
+                        TopBarState(title = stringResource(R.string.menu_history)) { scope.launch { drawerState.open() } }
+
+                    HistoryList(historyViewModel) { navController.navigate(Route.COUNTER) }
+                }
+                composable(Route.SETTINGS) {
+                    topBarState =
+                        TopBarState(title = stringResource(R.string.menu_settings)) { scope.launch { drawerState.open() } }
+
+                    SettingsView(settingsViewModel)
+                }
+
+                composable(Route.ABOUT) {
+                    topBarState =
+                        TopBarState(title = stringResource(R.string.menu_about)) { scope.launch { drawerState.open() } }
+
+                    AboutView()
+                }
+            }
+        }
     }
 }

app/src/main/java/me/zobrist/tichucounter/Round.kt

@@ -1,38 +0,0 @@
-package me.zobrist.tichucounter
-
-import java.io.Serializable
-
-class Round() : Serializable {
-    var scoreA: Int = 0
-    var scoreB: Int = 0
-
-    constructor(score: Int, isScoreA: Boolean) : this() {
-        if (isScoreA) {
-            scoreA = score
-            scoreB = calculateOtherScore(scoreA)
-        } else {
-            scoreB = score
-            scoreA = calculateOtherScore(scoreB)
-        }
-    }
-
-    constructor(scoreA: Int, scoreB: Int) : this() {
-        this.scoreA = scoreA
-        this.scoreB = scoreB
-    }
-
-    private fun calculateOtherScore(score: Int): Int {
-        if (isMultipleOf100(score)) {
-            return 0
-        }
-        return 100 - (score % 100)
-    }
-
-    private fun isMultipleOf100(score: Int): Boolean {
-        return (score / 100) >= 1 && (score % 100) == 0
-    }
-
-    fun isValidRound(): Boolean {
-        return (scoreA % 5 == 0) && (scoreB % 5 == 0) && ((scoreA + scoreB) % 100 == 0)
-    }
-}

app/src/main/java/me/zobrist/tichucounter/data/AppDatabase.kt

@@ -0,0 +1,14 @@
+package me.zobrist.tichucounter.data
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import androidx.room.TypeConverters
+import me.zobrist.tichucounter.data.entity.Game
+import me.zobrist.tichucounter.data.entity.Round
+
+@Database(entities = [Round::class, Game::class], version = 1)
+@TypeConverters(DateConverter::class)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun roundDao(): RoundDao
+    abstract fun gameDao(): GameDao
+}

app/src/main/java/me/zobrist/tichucounter/data/DaoBase.kt

@@ -0,0 +1,22 @@
+package me.zobrist.tichucounter.data
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Update
+
+@Dao
+interface DaoBase<T> {
+
+    @Insert
+    fun insert(entity: T): Long
+
+    @Update
+    fun update(entity: T)
+
+    @Delete
+    fun delete(entity: T)
+
+    @Delete
+    fun delete(entity: List<T>)
+}

app/src/main/java/me/zobrist/tichucounter/data/DatabaseModule.kt

@@ -0,0 +1,34 @@
+package me.zobrist.tichucounter.data
+
+import android.content.Context
+import androidx.room.Room
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@InstallIn(SingletonComponent::class)
+@Module
+class DatabaseModule {
+    @Provides
+    fun provideRoundDao(appDatabase: AppDatabase): RoundDao {
+        return appDatabase.roundDao()
+    }
+
+    @Provides
+    fun provideGameDao(appDatabase: AppDatabase): GameDao {
+        return appDatabase.gameDao()
+    }
+
+    @Provides
+    @Singleton
+    fun provideAppDatabase(@ApplicationContext appContext: Context): AppDatabase {
+        return Room.databaseBuilder(
+            appContext,
+            AppDatabase::class.java,
+            "TichuCounterDb"
+        ).build()
+    }
+}

app/src/main/java/me/zobrist/tichucounter/data/DateConverter.kt

@@ -0,0 +1,18 @@
+package me.zobrist.tichucounter.data
+
+import androidx.room.ProvidedTypeConverter
+import androidx.room.TypeConverter
+import java.util.*
+
+@ProvidedTypeConverter
+object DateConverter {
+    @TypeConverter
+    fun toDate(dateLong: Long?): Date? {
+        return dateLong?.let { Date(it) }
+    }
+
+    @TypeConverter
+    fun fromDate(date: Date?): Long? {
+        return date?.time
+    }
+}

app/src/main/java/me/zobrist/tichucounter/data/GameDao.kt

@@ -0,0 +1,35 @@
+package me.zobrist.tichucounter.data
+
+import androidx.room.*
+import kotlinx.coroutines.flow.Flow
+import me.zobrist.tichucounter.data.entity.Game
+
+
+@Dao
+interface GameDao : DaoBase<Game> {
+
+    @Query("SELECT * FROM game")
+    fun getAll(): Flow<List<Game>>
+
+    @Transaction
+    @Query("SELECT * FROM game where uid ")
+    fun getGamesWithRounds(): Flow<List<GameWithScores>>
+
+    @Transaction
+    @Query("SELECT * FROM game WHERE active is 1")
+    fun getActiveWithRounds(): Flow<GameWithScores?>
+
+    @Query("SELECT * FROM game WHERE uid is :gameId")
+    fun getGameById(gameId: Long): Flow<Game>
+
+    @Query("SELECT * FROM game WHERE active is 1")
+    fun getActive(): Flow<Game?>
+
+
+    @Query("UPDATE game SET active = 1 WHERE uid is :gameId;")
+    fun setActive(gameId: Long)
+
+    @Query("UPDATE game SET active = 0 WHERE uid is not :gameId;")
+    fun setOthersInactive(gameId: Long)
+
+}

app/src/main/java/me/zobrist/tichucounter/data/GameWithScores.kt

@@ -0,0 +1,17 @@
+package me.zobrist.tichucounter.data
+
+import androidx.room.Embedded
+import androidx.room.Entity
+import androidx.room.Relation
+import me.zobrist.tichucounter.data.entity.Game
+import me.zobrist.tichucounter.data.entity.Round
+
+@Entity
+data class GameWithScores(
+    @Embedded val game: Game,
+    @Relation(
+        parentColumn = "uid",
+        entityColumn = "gameId"
+    )
+    val rounds: List<Round>
+)

app/src/main/java/me/zobrist/tichucounter/data/RoundDao.kt

@@ -0,0 +1,15 @@
+package me.zobrist.tichucounter.data
+
+import androidx.room.*
+import me.zobrist.tichucounter.data.entity.Round
+
+@Dao
+interface RoundDao : DaoBase<Round> {
+
+    @Query("SELECT * FROM round")
+    fun getAll(): List<Round>
+
+    @Query("SELECT * FROM round WHERE gameId is :gameId")
+    fun getAllForGame(gameId: Long?): List<Round>
+
+}

app/src/main/java/me/zobrist/tichucounter/data/entity/Game.kt

@@ -0,0 +1,15 @@
+package me.zobrist.tichucounter.data.entity
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.util.*
+
+@Entity
+data class Game(
+    var active: Boolean,
+    var nameA: String,
+    var nameB: String,
+    val created: Date,
+    var modified: Date,
+    @PrimaryKey(autoGenerate = true) override val uid: Long = 0
+) : IEntity

app/src/main/java/me/zobrist/tichucounter/data/entity/IEntity.kt

@@ -0,0 +1,5 @@
+package me.zobrist.tichucounter.data.entity
+
+interface IEntity {
+    val uid: Long
+}

app/src/main/java/me/zobrist/tichucounter/data/entity/Round.kt

@@ -0,0 +1,12 @@
+package me.zobrist.tichucounter.data.entity
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class Round(
+    var gameId: Long,
+    var scoreA: Int,
+    var scoreB: Int,
+    @PrimaryKey(autoGenerate = true) override val uid: Long = 0
+) : IEntity

app/src/main/java/me/zobrist/tichucounter/domain/DrawerItem.kt

@@ -0,0 +1,5 @@
+package me.zobrist.tichucounter.domain
+
+import androidx.compose.ui.graphics.vector.ImageVector
+
+data class DrawerItem(val route: Route, val menuIcon: ImageVector, val menuName: String)

app/src/main/java/me/zobrist/tichucounter/domain/GameWithScoresExtension.kt

@@ -0,0 +1,14 @@
+package me.zobrist.tichucounter.domain
+
+import me.zobrist.tichucounter.data.GameWithScores
+
+fun GameWithScores.getTotalPoints(): Pair<Int, Int> {
+    var scoreA = 0
+    var scoreB = 0
+
+    this.rounds.forEach {
+        scoreA += it.scoreA
+        scoreB += it.scoreB
+    }
+    return Pair(scoreA, scoreB)
+}

app/src/main/java/me/zobrist/tichucounter/domain/IntExtensions.kt

@@ -0,0 +1,11 @@
+package me.zobrist.tichucounter.domain
+
+
+fun Int.isMultipleOf5(): Boolean {
+    return (this % 5) == 0
+}
+
+fun Int.isMultipleOf100(): Boolean {
+    return (this % 100) == 0
+}
+

app/src/main/java/me/zobrist/tichucounter/domain/NavExtensions.kt

@@ -0,0 +1,30 @@
+package me.zobrist.tichucounter.domain
+
+import androidx.compose.runtime.Composable
+import androidx.navigation.*
+import androidx.navigation.compose.composable
+
+fun NavController.navigate(route: Route) {
+    this.navigate(route.name){
+        // Pop up to the start destination of the graph to
+        // avoid building up a large stack of destinations
+        // on the back stack as users select items
+        popUpTo(Route.COUNTER.name) {
+            saveState = true
+        }
+        // Avoid multiple copies of the same destination when
+        // reselecting the same item
+        launchSingleTop = true
+        // Restore state when reselecting a previously selected item
+        restoreState = true
+    }
+}
+
+fun NavGraphBuilder.composable(
+    route: Route,
+    arguments: List<NamedNavArgument> = emptyList(),
+    deepLinks: List<NavDeepLink> = emptyList(),
+    content: @Composable (NavBackStackEntry) -> Unit
+) {
+    this.composable(route.name, arguments, deepLinks, content)
+}

app/src/main/java/me/zobrist/tichucounter/domain/Route.kt

@@ -0,0 +1,3 @@
+package me.zobrist.tichucounter.domain
+
+enum class Route { COUNTER, HISTORY, SETTINGS, ABOUT }

app/src/main/java/me/zobrist/tichucounter/domain/SettingsAdapter.kt

@@ -0,0 +1,116 @@
+package me.zobrist.tichucounter.domain
+
+import android.content.Context
+import androidx.core.os.LocaleListCompat
+import androidx.preference.PreferenceManager
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+enum class Theme { DEFAULT, DARK, LIGHT }
+enum class Language(val value: LocaleListCompat) {
+    DEFAULT(LocaleListCompat.getEmptyLocaleList()),
+    ENGLISH(LocaleListCompat.forLanguageTags("en")),
+    GERMAN(LocaleListCompat.forLanguageTags("de"))
+}
+
+enum class KeepScreenOn(val value: Boolean) { ON(true), OFF(false) }
+
+interface ISettingsChangeListener {
+    fun onLanguageChanged(language: Language)
+    fun onThemeChanged(theme: Theme)
+    fun onScreenOnChanged(keepOn: KeepScreenOn)
+}
+
+@Singleton
+class SettingsAdapter @Inject constructor(@ApplicationContext private val context: Context) {
+
+    private val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+    private var listenerList = mutableListOf<ISettingsChangeListener>()
+
+    var language: Language
+        private set
+
+    var theme: Theme
+        private set
+
+    var keepScreenOn: KeepScreenOn
+        private set
+
+    init {
+        language = try {
+            enumValueOf(sharedPreferences.getString(Language::class.simpleName, null)!!)
+        } catch (_: NullPointerException) {
+            Language.DEFAULT
+        }
+
+        theme = try {
+            enumValueOf(sharedPreferences.getString(Theme::class.simpleName, null)!!)
+        } catch (_: java.lang.Exception) {
+            Theme.DEFAULT
+        }
+
+        keepScreenOn = try {
+            enumValueOf(sharedPreferences.getString(KeepScreenOn::class.simpleName, null)!!)
+        } catch (_: java.lang.Exception) {
+            KeepScreenOn.OFF
+        }
+    }
+
+    fun registerOnChangeListener(listener: ISettingsChangeListener) {
+        listenerList.add(listener)
+
+        listener.onThemeChanged(theme)
+        listener.onLanguageChanged(language)
+        listener.onScreenOnChanged(keepScreenOn)
+    }
+
+    fun unregisterOnChangeListener(listener: ISettingsChangeListener?) {
+        if (listener != null) {
+            listenerList.remove(listener)
+        }
+    }
+
+    fun setLanguage(language: Language) {
+        this.language = language
+        updatePreference(Language::class.simpleName, language.name)
+        notifyListeners(language)
+    }
+
+    fun setTheme(theme: Theme) {
+        this.theme = theme
+        updatePreference(Theme::class.simpleName, theme.name)
+        notifyListeners(theme)
+    }
+
+    fun setKeepScreenOn(setting: KeepScreenOn) {
+        this.keepScreenOn = setting
+        updatePreference(KeepScreenOn::class.simpleName, setting.name)
+        notifyListeners(setting)
+    }
+
+    private fun updatePreference(name: String?, value: String) {
+        val editor = sharedPreferences.edit()
+        editor.putString(name, value)
+        editor.apply()
+    }
+
+    private fun notifyListeners(language: Language) {
+        listenerList.forEach {
+            it.onLanguageChanged(language)
+        }
+    }
+
+    private fun notifyListeners(theme: Theme) {
+        listenerList.forEach {
+            it.onThemeChanged(theme)
+        }
+    }
+
+    private fun notifyListeners(keepScreenOn: KeepScreenOn) {
+        listenerList.forEach {
+            it.onScreenOnChanged(keepScreenOn)
+        }
+    }
+
+}

app/src/main/java/me/zobrist/tichucounter/domain/Tichu.kt

@@ -0,0 +1,26 @@
+package me.zobrist.tichucounter.domain
+
+import javax.inject.Inject
+
+class Tichu @Inject constructor() {
+
+    fun calculateOtherScore(score: Int): Int? {
+        if (!score.isMultipleOf5()) {
+            return null
+        }
+        if (score.isMultipleOf100() && score != 0) {
+            return 0
+        }
+        if (score in 101..125) {
+            return 0 - (score % 100)
+        }
+        return 100 - (score % 100)
+    }
+
+    fun isValidRound(scoreA: Int?, scoreB: Int?): Boolean {
+        if (scoreA == null || scoreB == null) {
+            return false
+        }
+        return (scoreA.isMultipleOf5()) && scoreB.isMultipleOf5() && (scoreA + scoreB).isMultipleOf100()
+    }
+}

app/src/main/java/me/zobrist/tichucounter/domain/TopBarAction.kt

@@ -0,0 +1,11 @@
+package me.zobrist.tichucounter.domain
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.vector.ImageVector
+
+class TopBarAction(
+    val imageVector: ImageVector,
+    val isActive: Boolean,
+    val action: () -> Unit,
+    val composeCode: @Composable () -> Unit = {}
+)

app/src/main/java/me/zobrist/tichucounter/domain/TopBarState.kt

@@ -0,0 +1,12 @@
+package me.zobrist.tichucounter.domain
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Menu
+import androidx.compose.ui.graphics.vector.ImageVector
+
+data class TopBarState(
+    var title: String = "",
+    var icon: ImageVector = Icons.Outlined.Menu,
+    var actions: List<TopBarAction> = emptyList(),
+    var onNavigate: () -> Unit = {}
+)

app/src/main/java/me/zobrist/tichucounter/framework/TichuCounterApplication.kt

@@ -0,0 +1,7 @@
+package me.zobrist.tichucounter.framework
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class TichuCounterApplication : Application()

app/src/main/java/me/zobrist/tichucounter/repository/GameRepository.kt

@@ -0,0 +1,129 @@
+package me.zobrist.tichucounter.repository
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.take
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import me.zobrist.tichucounter.data.GameDao
+import me.zobrist.tichucounter.data.GameWithScores
+import me.zobrist.tichucounter.data.RoundDao
+import me.zobrist.tichucounter.data.entity.Game
+import me.zobrist.tichucounter.data.entity.Round
+import java.util.*
+import javax.inject.Inject
+
+class GameRepository @Inject constructor(
+    private val gameDao: GameDao,
+    private val roundDao: RoundDao
+) {
+
+    private var _activeGame: Game? = null
+
+    val activeGame: Game
+        get() {
+            return _activeGame!!
+        }
+
+    init {
+        CoroutineScope(Dispatchers.IO).launch {
+            gameDao.getActive().collect {
+                if (it == null) {
+                    gameDao.insert(Game(true, "TeamA", "TeamB", Date(), Date()))
+                } else {
+                    _activeGame = it
+                }
+            }
+        }
+    }
+
+    suspend fun newGame() {
+        withContext(Dispatchers.IO) {
+            val id =
+                gameDao.insert(Game(true, activeGame.nameA, activeGame.nameB, Date(), Date()))
+            setActive(id)
+        }
+    }
+
+    suspend fun updateGame(game: Game) {
+        game.modified = Date()
+        withContext(Dispatchers.IO) {
+            gameDao.update(game)
+        }
+    }
+
+    suspend fun setActive(id: Long) {
+        withContext(Dispatchers.IO) {
+            gameDao.setActive(id)
+            gameDao.setOthersInactive(id)
+        }
+    }
+
+    suspend fun getLastRound(): Round? {
+        return try {
+            withContext(Dispatchers.IO) {
+                roundDao.getAllForGame(activeGame.uid).last()
+            }
+        } catch (_: NoSuchElementException) {
+            null
+        }
+    }
+
+    suspend fun deleteLastRound() {
+        withContext(Dispatchers.IO) {
+            try {
+                roundDao.delete(getLastRound()!!)
+            } catch (_: NullPointerException) {
+            }
+        }
+    }
+
+    suspend fun addRoundToActiveGame(scoreA: Int, scoreB: Int) {
+        withContext(Dispatchers.IO) {
+            val active = activeGame
+            active.modified = Date()
+            val round = Round(active.uid, scoreA, scoreB)
+            roundDao.insert(round)
+            gameDao.update(active)
+        }
+    }
+
+    suspend fun deleteGame(uid: Long) {
+        withContext(Dispatchers.IO) {
+            try {
+                gameDao.getGameById(uid).take(1).collect {
+                    gameDao.delete(it)
+                    val rounds = roundDao.getAllForGame(it.uid)
+                    roundDao.delete(rounds)
+                }
+            } catch (_: NullPointerException) {
+            }
+        }
+    }
+
+    suspend fun deleteAllInactive() {
+        withContext(Dispatchers.IO) {
+            try {
+                gameDao.getAll().take(1).collect { games ->
+
+                    val activeId = games.first { it.active }.uid
+                    val gamesToDelete = games.filter { !it.active }
+                    val roundsToDelete = roundDao.getAll().filter { it.gameId != activeId }
+
+                    gameDao.delete(gamesToDelete)
+                    roundDao.delete(roundsToDelete)
+                }
+            } catch (_: NullPointerException) {
+            }
+        }
+    }
+
+    fun getActiveGameFlow(): Flow<GameWithScores?> {
+        return gameDao.getActiveWithRounds()
+    }
+
+    fun getAllWithRoundFlow(): Flow<List<GameWithScores>> {
+        return gameDao.getGamesWithRounds()
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/Color.kt

@@ -0,0 +1,70 @@
+@file:Suppress("unused")
+
+package me.zobrist.tichucounter.ui
+
+import androidx.compose.ui.graphics.Color
+
+val md_theme_light_primary = Color(0xFF9C404D)
+val md_theme_light_onPrimary = Color(0xFFFFFFFF)
+val md_theme_light_primaryContainer = Color(0xFFFFDADB)
+val md_theme_light_onPrimaryContainer = Color(0xFF40000F)
+val md_theme_light_secondary = Color(0xFF765659)
+val md_theme_light_onSecondary = Color(0xFFFFFFFF)
+val md_theme_light_secondaryContainer = Color(0xFFFFDADB)
+val md_theme_light_onSecondaryContainer = Color(0xFF2C1517)
+val md_theme_light_tertiary = Color(0xFF775930)
+val md_theme_light_onTertiary = Color(0xFFFFFFFF)
+val md_theme_light_tertiaryContainer = Color(0xFFFFDDB5)
+val md_theme_light_onTertiaryContainer = Color(0xFF2A1800)
+val md_theme_light_error = Color(0xFFBA1A1A)
+val md_theme_light_errorContainer = Color(0xFFFFDAD6)
+val md_theme_light_onError = Color(0xFFFFFFFF)
+val md_theme_light_onErrorContainer = Color(0xFF410002)
+val md_theme_light_background = Color(0xFFFFFBFF)
+val md_theme_light_onBackground = Color(0xFF201A1A)
+val md_theme_light_surface = Color(0xFFFFFBFF)
+val md_theme_light_onSurface = Color(0xFF201A1A)
+val md_theme_light_surfaceVariant = Color(0xFFF4DDDE)
+val md_theme_light_onSurfaceVariant = Color(0xFF524344)
+val md_theme_light_outline = Color(0xFF857374)
+val md_theme_light_inverseOnSurface = Color(0xFFFBEEEE)
+val md_theme_light_inverseSurface = Color(0xFF362F2F)
+val md_theme_light_inversePrimary = Color(0xFFFFB2B9)
+val md_theme_light_shadow = Color(0xFF000000)
+val md_theme_light_surfaceTint = Color(0xFF9C404D)
+val md_theme_light_outlineVariant = Color(0xFFD7C1C2)
+val md_theme_light_scrim = Color(0xFF000000)
+
+val md_theme_dark_primary = Color(0xFFFFB2B9)
+val md_theme_dark_onPrimary = Color(0xFF5F1222)
+val md_theme_dark_primaryContainer = Color(0xFF7D2937)
+val md_theme_dark_onPrimaryContainer = Color(0xFFFFDADB)
+val md_theme_dark_secondary = Color(0xFFE5BDBF)
+val md_theme_dark_onSecondary = Color(0xFF44292C)
+val md_theme_dark_secondaryContainer = Color(0xFF5C3F41)
+val md_theme_dark_onSecondaryContainer = Color(0xFFFFDADB)
+val md_theme_dark_tertiary = Color(0xFFE8C08E)
+val md_theme_dark_onTertiary = Color(0xFF442B06)
+val md_theme_dark_tertiaryContainer = Color(0xFF5D411B)
+val md_theme_dark_onTertiaryContainer = Color(0xFFFFDDB5)
+val md_theme_dark_error = Color(0xFFFFB4AB)
+val md_theme_dark_errorContainer = Color(0xFF93000A)
+val md_theme_dark_onError = Color(0xFF690005)
+val md_theme_dark_onErrorContainer = Color(0xFFFFDAD6)
+val md_theme_dark_background = Color(0xFF201A1A)
+val md_theme_dark_onBackground = Color(0xFFECE0DF)
+val md_theme_dark_surface = Color(0xFF201A1A)
+val md_theme_dark_onSurface = Color(0xFFECE0DF)
+val md_theme_dark_surfaceVariant = Color(0xFF524344)
+val md_theme_dark_onSurfaceVariant = Color(0xFFD7C1C2)
+val md_theme_dark_outline = Color(0xFF9F8C8D)
+val md_theme_dark_inverseOnSurface = Color(0xFF201A1A)
+val md_theme_dark_inverseSurface = Color(0xFFECE0DF)
+val md_theme_dark_inversePrimary = Color(0xFF9C404D)
+val md_theme_dark_shadow = Color(0xFF000000)
+val md_theme_dark_surfaceTint = Color(0xFFFFB2B9)
+val md_theme_dark_outlineVariant = Color(0xFF524344)
+val md_theme_dark_scrim = Color(0xFF000000)
+
+
+val seed = Color(0xFF833842)

app/src/main/java/me/zobrist/tichucounter/ui/MainViewModel.kt

@@ -0,0 +1,81 @@
+package me.zobrist.tichucounter.ui
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import me.zobrist.tichucounter.data.entity.Round
+import me.zobrist.tichucounter.repository.GameRepository
+import javax.inject.Inject
+
+@HiltViewModel
+class MainViewModel @Inject constructor(
+    private val gameRepository: GameRepository
+) : ViewModel() {
+
+
+    private var redoRounds = mutableStateListOf<Round>()
+    private var expectedRoundCount = 0
+
+    var isUndoActionActive by mutableStateOf(false)
+
+    val isRedoActionActive: Boolean
+        get() = redoRounds.isNotEmpty()
+
+    var activeGameHasRounds by mutableStateOf(false)
+        private set
+
+    init {
+        viewModelScope.launch {
+
+            gameRepository.getActiveGameFlow().collect {
+
+                activeGameHasRounds = it?.rounds?.isNotEmpty() == true
+
+                if (it != null) {
+                    isUndoActionActive = it.rounds.isNotEmpty()
+
+                    if (expectedRoundCount != it.rounds.count()) {
+                        redoRounds.clear()
+                    }
+
+                    expectedRoundCount = it.rounds.count()
+                }
+            }
+        }
+    }
+
+    fun undoLastRound() {
+        viewModelScope.launch {
+            val round = gameRepository.getLastRound()
+            if (round != null) {
+                redoRounds.add(round)
+                expectedRoundCount--
+                gameRepository.deleteLastRound()
+            }
+        }
+    }
+
+    fun redoLastRound() {
+        viewModelScope.launch {
+            try {
+                val round = redoRounds.last()
+                redoRounds.remove(round)
+                expectedRoundCount++
+                gameRepository.addRoundToActiveGame(round.scoreA, round.scoreB)
+            } catch (_: NoSuchElementException) {
+            }
+        }
+    }
+
+    fun newGame() {
+        viewModelScope.launch {
+            redoRounds.clear()
+            gameRepository.newGame()
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/Theme.kt

@@ -0,0 +1,95 @@
+package me.zobrist.tichucounter.ui
+
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+
+
+private val LightColors = lightColorScheme(
+    primary = md_theme_light_primary,
+    onPrimary = md_theme_light_onPrimary,
+    primaryContainer = md_theme_light_primaryContainer,
+    onPrimaryContainer = md_theme_light_onPrimaryContainer,
+    secondary = md_theme_light_secondary,
+    onSecondary = md_theme_light_onSecondary,
+    secondaryContainer = md_theme_light_secondaryContainer,
+    onSecondaryContainer = md_theme_light_onSecondaryContainer,
+    tertiary = md_theme_light_tertiary,
+    onTertiary = md_theme_light_onTertiary,
+    tertiaryContainer = md_theme_light_tertiaryContainer,
+    onTertiaryContainer = md_theme_light_onTertiaryContainer,
+    error = md_theme_light_error,
+    errorContainer = md_theme_light_errorContainer,
+    onError = md_theme_light_onError,
+    onErrorContainer = md_theme_light_onErrorContainer,
+    background = md_theme_light_background,
+    onBackground = md_theme_light_onBackground,
+    surface = md_theme_light_surface,
+    onSurface = md_theme_light_onSurface,
+    surfaceVariant = md_theme_light_surfaceVariant,
+    onSurfaceVariant = md_theme_light_onSurfaceVariant,
+    outline = md_theme_light_outline,
+    inverseOnSurface = md_theme_light_inverseOnSurface,
+    inverseSurface = md_theme_light_inverseSurface,
+    inversePrimary = md_theme_light_inversePrimary,
+    surfaceTint = md_theme_light_surfaceTint,
+    outlineVariant = md_theme_light_outlineVariant,
+    scrim = md_theme_light_scrim,
+)
+
+
+private val DarkColors = darkColorScheme(
+    primary = md_theme_dark_primary,
+    onPrimary = md_theme_dark_onPrimary,
+    primaryContainer = md_theme_dark_primaryContainer,
+    onPrimaryContainer = md_theme_dark_onPrimaryContainer,
+    secondary = md_theme_dark_secondary,
+    onSecondary = md_theme_dark_onSecondary,
+    secondaryContainer = md_theme_dark_secondaryContainer,
+    onSecondaryContainer = md_theme_dark_onSecondaryContainer,
+    tertiary = md_theme_dark_tertiary,
+    onTertiary = md_theme_dark_onTertiary,
+    tertiaryContainer = md_theme_dark_tertiaryContainer,
+    onTertiaryContainer = md_theme_dark_onTertiaryContainer,
+    error = md_theme_dark_error,
+    errorContainer = md_theme_dark_errorContainer,
+    onError = md_theme_dark_onError,
+    onErrorContainer = md_theme_dark_onErrorContainer,
+    background = md_theme_dark_background,
+    onBackground = md_theme_dark_onBackground,
+    surface = md_theme_dark_surface,
+    onSurface = md_theme_dark_onSurface,
+    surfaceVariant = md_theme_dark_surfaceVariant,
+    onSurfaceVariant = md_theme_dark_onSurfaceVariant,
+    outline = md_theme_dark_outline,
+    inverseOnSurface = md_theme_dark_inverseOnSurface,
+    inverseSurface = md_theme_dark_inverseSurface,
+    inversePrimary = md_theme_dark_inversePrimary,
+    surfaceTint = md_theme_dark_surfaceTint,
+    outlineVariant = md_theme_dark_outlineVariant,
+    scrim = md_theme_dark_scrim,
+)
+
+@Composable
+fun AppTheme(
+    useDarkTheme: Boolean = isSystemInDarkTheme(),
+    content: @Composable () -> Unit
+) {
+
+    val dynamicColor = Build.VERSION.SDK_INT >= Build.VERSION_CODES.S
+
+    val colors = when {
+        dynamicColor && useDarkTheme -> dynamicDarkColorScheme(LocalContext.current)
+        dynamicColor && !useDarkTheme -> dynamicLightColorScheme(LocalContext.current)
+        useDarkTheme -> DarkColors
+        else -> LightColors
+    }
+
+
+    MaterialTheme(
+        colorScheme = colors,
+        content = content
+    )
+}

app/src/main/java/me/zobrist/tichucounter/ui/about/AboutView.kt

@@ -0,0 +1,57 @@
+package me.zobrist.tichucounter.ui.about
+
+import android.content.res.Configuration
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment.Companion.Top
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import me.zobrist.tichucounter.BuildConfig
+import me.zobrist.tichucounter.R
+import me.zobrist.tichucounter.ui.AppTheme
+
+
+@Composable
+fun AboutView() {
+    Row(Modifier.padding(20.dp)) {
+        Image(
+            modifier = Modifier
+                .height(80.dp)
+                .padding(end = 10.dp)
+                .align(Top),
+            painter = painterResource(R.drawable.app_logo),
+            contentDescription = null,
+            contentScale = ContentScale.Fit
+        )
+
+        Column {
+            Text(
+                text = stringResource(id = R.string.app_name),
+                style = MaterialTheme.typography.headlineMedium
+            )
+            Text(text = "V" + BuildConfig.VERSION_NAME)
+        }
+    }
+}
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+fun AboutViewPreview() {
+    AppTheme() {
+        Surface {
+            AboutView()
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/composables/DropDownMenu.kt

@@ -0,0 +1,32 @@
+package me.zobrist.tichucounter.ui.composables
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Check
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+
+@Composable
+fun <T> DropDownMenu(map: Map<T, Int>, selected: T, expanded: Boolean, onSelected: (T?) -> Unit) {
+    DropdownMenu(
+        expanded = expanded,
+        onDismissRequest = { onSelected(null) }
+    ) {
+        map.forEach {
+            DropdownMenuItem(
+                onClick = {
+                    onSelected(it.key)
+                },
+                trailingIcon = {
+                    if (it.key == selected) {
+                        Icon(Icons.Outlined.Check, null)
+                    }
+                },
+                text = { Text(stringResource(it.value)) },
+            )
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/counter/CounterView.kt

@@ -0,0 +1,164 @@
+package me.zobrist.tichucounter.ui.counter
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.tooling.preview.Preview
+import me.zobrist.tichucounter.data.entity.Round
+import me.zobrist.tichucounter.ui.AppTheme
+
+
+@Composable
+fun Counter(viewModel: ICounterViewModel = PreviewViewModel()) {
+
+    var orientation by remember { mutableStateOf(Configuration.ORIENTATION_PORTRAIT) }
+    orientation = LocalConfiguration.current.orientation
+
+    Surface {
+        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            Landscape(viewModel)
+        } else {
+            Portrait(viewModel)
+        }
+    }
+}
+
+@Composable
+fun Landscape(viewModel: ICounterViewModel) {
+    Row {
+        Column(Modifier.weight(1f)) {
+            TeamNamesView(
+                viewModel.teamNameA,
+                viewModel.teamNameB,
+                { viewModel.updateNameA(it) },
+                { viewModel.updateNameB(it) }
+            )
+
+            TeamScoresView(
+                viewModel.totalScoreA,
+                viewModel.totalScoreB
+            )
+
+            RoundListView(
+                viewModel.roundScoreList,
+                Modifier.weight(1f)
+            )
+        }
+        if (!viewModel.keyboardHidden) {
+            Column(Modifier.weight(1f)) {
+                KeyBoardView(viewModel = viewModel)
+            }
+        }
+    }
+}
+
+@Composable
+fun Portrait(viewModel: ICounterViewModel) {
+
+    Column {
+        TeamNamesView(
+            viewModel.teamNameA,
+            viewModel.teamNameB,
+            { viewModel.updateNameA(it) },
+            { viewModel.updateNameB(it) }
+        )
+
+        TeamScoresView(
+            viewModel.totalScoreA,
+            viewModel.totalScoreB
+        )
+
+        RoundListView(
+            viewModel.roundScoreList,
+            Modifier.weight(1f)
+        )
+
+        if (!viewModel.keyboardHidden) {
+            KeyBoardView(viewModel = viewModel)
+        }
+    }
+}
+
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+fun CounterViewPreview() {
+    AppTheme {
+        Counter()
+    }
+}
+
+internal class PreviewViewModel : ICounterViewModel {
+    override var roundScoreList: List<Round> =
+        listOf(Round(1, 10, 90), Round(1, 50, 50), Round(1, 70, 30))
+    override var totalScoreA: Int = 350
+    override var totalScoreB: Int = 750
+    override var teamNameA: String = "Team A"
+    override var teamNameB: String = "Team B"
+    override var currentScoreA: String = ""
+    override var currentScoreB: String = "45"
+    override var enableSubmit: Boolean = false
+    override var isAFocused: Boolean = false
+    override var isBFocused: Boolean = false
+    override var requestFocusA: FocusRequester = FocusRequester()
+    override var requestFocusB: FocusRequester = FocusRequester()
+    override var activeValue: String = currentScoreA
+    override var inactiveValue: String = currentScoreB
+    override var keyboardHidden: Boolean = false
+
+    override fun focusLastInput() {
+    }
+
+    override fun updateOtherScore() {
+    }
+
+    override fun isValidTichuRound(): Boolean {
+        return true
+    }
+
+    override fun updateSubmitButton() {
+    }
+
+    override fun submitClicked() {
+    }
+
+    override fun digitClicked(digit: String) {
+    }
+
+    override fun negateClicked() {
+    }
+
+    override fun addSub100Clicked(toAdd: Int) {
+    }
+
+    override fun deleteClicked() {
+    }
+
+    override fun updateNameA(value: String) {
+    }
+
+    override fun updateNameB(value: String) {
+    }
+
+    override fun updateFocusStateA(state: Boolean) {
+    }
+
+    override fun updateFocusStateB(state: Boolean) {
+    }
+
+    override fun swapInputScores() {
+    }
+
+    override fun hideKeyboard() {
+    }
+
+    override fun showKeyboard() {
+    }
+
+}

app/src/main/java/me/zobrist/tichucounter/ui/counter/CounterViewModel.kt

@@ -0,0 +1,289 @@
+package me.zobrist.tichucounter.ui.counter
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.focus.FocusRequester
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import me.zobrist.tichucounter.data.entity.Round
+import me.zobrist.tichucounter.domain.Tichu
+import me.zobrist.tichucounter.domain.getTotalPoints
+import me.zobrist.tichucounter.repository.GameRepository
+import javax.inject.Inject
+
+private enum class Focused { TEAM_A, TEAM_B }
+
+interface IKeyBoardViewModel {
+
+    val currentScoreA: String
+    val currentScoreB: String
+    val enableSubmit: Boolean
+    val isAFocused: Boolean
+    val isBFocused: Boolean
+    val requestFocusA: FocusRequester
+    val requestFocusB: FocusRequester
+    val activeValue: String
+    val inactiveValue: String
+    val keyboardHidden: Boolean
+
+    fun focusLastInput()
+    fun updateOtherScore()
+    fun isValidTichuRound(): Boolean
+    fun updateSubmitButton()
+    fun submitClicked()
+    fun digitClicked(digit: String)
+    fun negateClicked()
+    fun addSub100Clicked(toAdd: Int)
+    fun deleteClicked()
+    fun updateFocusStateA(state: Boolean)
+    fun updateFocusStateB(state: Boolean)
+    fun swapInputScores()
+    fun hideKeyboard()
+    fun showKeyboard()
+
+}
+
+interface ICounterViewModel : IKeyBoardViewModel {
+    val roundScoreList: List<Round>
+    val totalScoreA: Int
+    val totalScoreB: Int
+    val teamNameA: String
+    val teamNameB: String
+
+    fun updateNameA(value: String)
+    fun updateNameB(value: String)
+}
+
+@HiltViewModel
+class CounterViewModel @Inject constructor(
+    private val gameRepository: GameRepository
+) :
+    ViewModel(), ICounterViewModel {
+
+    override var roundScoreList by mutableStateOf(emptyList<Round>())
+        private set
+
+    override var totalScoreA by mutableStateOf(0)
+        private set
+
+    override var totalScoreB by mutableStateOf(0)
+        private set
+
+    override var teamNameA by mutableStateOf("")
+        private set
+
+    override var teamNameB by mutableStateOf("")
+        private set
+
+    override var currentScoreA by mutableStateOf("")
+        private set
+
+    override var currentScoreB by mutableStateOf("")
+        private set
+
+    override var enableSubmit by mutableStateOf(false)
+        private set
+
+    override var isAFocused by mutableStateOf(false)
+        private set
+
+    override var isBFocused by mutableStateOf(false)
+        private set
+
+    override var requestFocusA by mutableStateOf(FocusRequester())
+        private set
+
+    override var requestFocusB by mutableStateOf(FocusRequester())
+        private set
+
+    override var keyboardHidden by mutableStateOf(false)
+        private set
+
+    override var activeValue: String
+        get() {
+            return if (isBFocused) {
+                currentScoreB
+            } else {
+                currentScoreA
+            }
+        }
+        set(value) {
+            if (isBFocused) {
+                currentScoreB = value
+            } else {
+                currentScoreA = value
+            }
+        }
+
+    override var inactiveValue: String
+        get() {
+            return if (isAFocused) {
+                currentScoreB
+            } else {
+                currentScoreA
+            }
+        }
+        set(value) {
+            if (isAFocused) {
+                currentScoreB = value
+            } else {
+                currentScoreA = value
+            }
+        }
+
+
+    private var lastFocused = Focused.TEAM_A
+
+    init {
+        viewModelScope.launch {
+            gameRepository.getActiveGameFlow().collect {
+                if (it != null) {
+
+                    val score = it.getTotalPoints()
+
+                    roundScoreList = it.rounds
+                    totalScoreA = score.first
+                    totalScoreB = score.second
+
+                    teamNameA = it.game.nameA
+                    teamNameB = it.game.nameB
+                }
+            }
+        }
+    }
+
+    override fun focusLastInput() {
+        when (lastFocused) {
+            Focused.TEAM_A -> if (!isAFocused) requestFocusA.requestFocus()
+            Focused.TEAM_B -> if (!isBFocused) requestFocusB.requestFocus()
+        }
+    }
+
+    override fun updateOtherScore() {
+        inactiveValue = try {
+            val tichu = Tichu()
+            val myScore = activeValue.toInt()
+            val hisScore = tichu.calculateOtherScore(myScore)
+            if (tichu.isValidRound(myScore, hisScore)) {
+                hisScore?.toString() ?: ""
+            } else {
+                ""
+            }
+        } catch (_: Exception) {
+            ""
+        }
+    }
+
+    override fun isValidTichuRound(): Boolean {
+        return try {
+            val tichu = Tichu()
+            tichu.isValidRound(currentScoreA.toInt(), currentScoreB.toInt())
+        } catch (_: java.lang.NumberFormatException) {
+            false
+        }
+    }
+
+    override fun updateSubmitButton() {
+        enableSubmit = isValidTichuRound()
+    }
+
+    override fun submitClicked() {
+        viewModelScope.launch {
+            gameRepository.addRoundToActiveGame(currentScoreA.toInt(), currentScoreB.toInt())
+        }
+        currentScoreA = ""
+        currentScoreB = ""
+        enableSubmit = false
+    }
+
+    override fun digitClicked(digit: String) {
+        focusLastInput()
+
+        activeValue += digit
+        updateOtherScore()
+        updateSubmitButton()
+    }
+
+    override fun negateClicked() {
+        focusLastInput()
+
+        activeValue = if (activeValue.contains("-")) {
+            activeValue.replace("-", "")
+        } else {
+            "-$activeValue"
+        }
+        updateOtherScore()
+        updateSubmitButton()
+    }
+
+    override fun addSub100Clicked(toAdd: Int) {
+        focusLastInput()
+
+        activeValue = try {
+            val temp = activeValue.toInt() + toAdd
+            temp.toString()
+        } catch (e: Exception) {
+            toAdd.toString()
+        }
+        if (inactiveValue == "") {
+            updateOtherScore()
+        }
+
+        updateSubmitButton()
+    }
+
+    override fun deleteClicked() {
+        if (activeValue != "") {
+            activeValue = activeValue.dropLast(1)
+        }
+        updateOtherScore()
+        updateSubmitButton()
+    }
+
+    override fun updateNameA(value: String) {
+        viewModelScope.launch {
+            val game = gameRepository.activeGame
+            game.nameA = value
+            gameRepository.updateGame(game)
+        }
+    }
+
+    override fun updateNameB(value: String) {
+        viewModelScope.launch {
+            val game = gameRepository.activeGame
+            game.nameB = value
+            gameRepository.updateGame(game)
+        }
+    }
+
+    override fun updateFocusStateA(state: Boolean) {
+        isAFocused = state
+        if (state) {
+            lastFocused = Focused.TEAM_A
+        }
+    }
+
+    override fun updateFocusStateB(state: Boolean) {
+        isBFocused = state
+        if (state) {
+            lastFocused = Focused.TEAM_B
+        }
+    }
+
+    override fun swapInputScores() {
+        val swap = currentScoreA
+        currentScoreA = currentScoreB
+        currentScoreB = swap
+    }
+
+    override fun hideKeyboard() {
+        keyboardHidden = true
+    }
+
+    override fun showKeyboard() {
+        keyboardHidden = false
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/counter/KeyboardView.kt

@@ -0,0 +1,329 @@
+package me.zobrist.tichucounter.ui.counter
+
+import android.content.res.Configuration
+import androidx.compose.animation.core.*
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Backspace
+import androidx.compose.material.icons.outlined.Check
+import androidx.compose.material.icons.outlined.KeyboardHide
+import androidx.compose.material.icons.outlined.SwapHoriz
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.FocusState
+import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.focus.onFocusChanged
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import me.zobrist.tichucounter.ui.AppTheme
+
+@Composable
+fun KeyBoardView(viewModel: IKeyBoardViewModel) {
+    KeyboardView(
+        viewModel.currentScoreA,
+        viewModel.currentScoreB,
+        viewModel.requestFocusA,
+        viewModel.requestFocusB,
+        viewModel.enableSubmit,
+        viewModel.isAFocused,
+        viewModel.isBFocused,
+        { viewModel.updateFocusStateA(it) },
+        { viewModel.updateFocusStateB(it) },
+        { viewModel.digitClicked(it) },
+        { viewModel.addSub100Clicked(it) },
+        { viewModel.deleteClicked() },
+        { viewModel.negateClicked() },
+        { viewModel.submitClicked() },
+        { viewModel.hideKeyboard() },
+        { viewModel.swapInputScores() }
+    )
+}
+
+@Composable
+fun KeyboardView(
+    scoreA: String,
+    scoreB: String,
+    requestFocusA: FocusRequester,
+    requestFocusB: FocusRequester,
+    enableSubmit: Boolean,
+    focusStateA: Boolean,
+    focusStateB: Boolean,
+    updateFocusStateA: (Boolean) -> Unit,
+    updateFocusStateB: (Boolean) -> Unit,
+    digitClicked: (String) -> Unit,
+    addSub100Clicked: (Int) -> Unit,
+    deleteClicked: () -> Unit,
+    negateClicked: () -> Unit,
+    submitClicked: () -> Unit,
+    hideKeyboardClicked: () -> Unit,
+    onSwapClicked: () -> Unit
+) {
+    Column {
+        Row(Modifier.height(IntrinsicSize.Max)) {
+            Column(Modifier.weight(1f)) {
+                CenteredTextField(
+                    scoreA,
+                    "0",
+                    focusStateA,
+                    requestFocusA
+                ) { updateFocusStateA(it.isFocused) }
+
+            }
+            Surface(
+                Modifier
+                    .wrapContentWidth()
+                    .fillMaxHeight(),
+                tonalElevation = 3.dp,
+                shape = MaterialTheme.shapes.extraSmall
+            ) {
+                Column {
+                    IconButton(onClick = onSwapClicked) {
+                        Icon(Icons.Outlined.SwapHoriz, null)
+                    }
+                }
+            }
+            Column(Modifier.weight(1f)) {
+
+                CenteredTextField(
+                    scoreB,
+                    "0",
+                    focusStateB,
+                    requestFocusB
+                ) {
+                    updateFocusStateB(it.isFocused)
+                }
+            }
+        }
+
+
+        Row {
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("1") {
+                    digitClicked("1")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("2") {
+                    digitClicked("2")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("3") {
+                    digitClicked("3")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("+100") {
+                    addSub100Clicked(100)
+                }
+            }
+        }
+        Row {
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("4") {
+                    digitClicked("4")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("5") {
+                    digitClicked("5")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("6") {
+                    digitClicked("6")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("-100") {
+                    addSub100Clicked(-100)
+                }
+            }
+        }
+
+        Row {
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("7") {
+                    digitClicked("7")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("8") {
+                    digitClicked("8")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("9") {
+                    digitClicked("9")
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardIconButton(Icons.Outlined.Backspace) {
+                    deleteClicked()
+                }
+            }
+        }
+
+        Row {
+            Column(Modifier.weight(1f)) {
+                KeyboardIconButton(Icons.Outlined.KeyboardHide) {
+                    hideKeyboardClicked()
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("0") {
+                    digitClicked("0")
+                }
+            }
+
+            Column(Modifier.weight(1f)) {
+                KeyboardTextButton("+/-") {
+                    negateClicked()
+                }
+            }
+            Column(Modifier.weight(1f)) {
+                KeyboardIconButton(Icons.Outlined.Check, enableSubmit) {
+                    submitClicked()
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun KeyboardTextButton(text: String, onClicked: () -> Unit) {
+
+    val configuration = LocalConfiguration.current
+
+    val screenWidth = configuration.screenWidthDp.dp
+
+    val style = if (screenWidth < 350.dp) {
+        MaterialTheme.typography.labelSmall
+    } else {
+        MaterialTheme.typography.labelLarge
+    }
+
+    ElevatedButton(
+        modifier = Modifier
+            .fillMaxWidth()
+            .height(50.dp)
+            .padding(2.dp),
+        onClick = { onClicked() },
+    ) { Text(text, style = style) }
+}
+
+@Composable
+fun KeyboardIconButton(icon: ImageVector, enabled: Boolean = true, onClicked: () -> Unit) {
+
+    ElevatedButton(
+        onClick = { onClicked() },
+        modifier = Modifier
+            .fillMaxWidth()
+            .height(50.dp)
+            .padding(2.dp),
+        enabled = enabled,
+    ) {
+        Icon(
+            icon,
+            contentDescription = null,
+        )
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CenteredTextField(
+    value: String,
+    placeholder: String,
+    focused: Boolean,
+    focusRequester: FocusRequester? = null,
+    onFocusStateChanged: (FocusState) -> Unit
+) {
+
+    val modifier = if (focusRequester != null) {
+        Modifier.focusRequester(focusRequester)
+    } else {
+        Modifier
+    }
+
+    Box(contentAlignment = Alignment.Center) {
+        TextField(
+            value = value,
+            onValueChange = { },
+            placeholder = {
+                if (!focused) {
+                    Text(
+                        placeholder,
+                        textAlign = TextAlign.Center,
+                        modifier = Modifier.fillMaxWidth()
+                    )
+                }
+            },
+            textStyle = LocalTextStyle.current.copy(textAlign = TextAlign.Center),
+            singleLine = true,
+            readOnly = true,
+            modifier = modifier
+                .fillMaxWidth()
+                .onFocusChanged {
+                    onFocusStateChanged(it)
+                }
+        )
+        if (focused) {
+            val cursorColor = MaterialTheme.colorScheme.onSurface
+            val infiniteTransition = rememberInfiniteTransition()
+            val alpha by infiniteTransition.animateFloat(
+                0f,
+                cursorColor.alpha,
+                animationSpec = infiniteRepeatable(
+                    animation = tween(500),
+                    repeatMode = RepeatMode.Reverse
+                )
+            )
+            Row {
+
+                Text(text = value, color = cursorColor.copy(alpha = 0f))
+                Divider(
+                    modifier = Modifier
+                        .padding(start = 3.dp, top = 15.dp, bottom = 15.dp)
+                        .width(1.dp)
+                        .fillMaxHeight(),
+                    color = cursorColor.copy(alpha = alpha)
+                )
+            }
+        }
+    }
+}
+
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+fun KeyboardViewPreview() {
+    AppTheme {
+        Surface {
+            KeyboardView(
+                "1",
+                "3511",
+                FocusRequester(),
+                FocusRequester(),
+                enableSubmit = false,
+                focusStateA = true,
+                focusStateB = false,
+                updateFocusStateA = {},
+                updateFocusStateB = {},
+                digitClicked = {},
+                addSub100Clicked = {},
+                deleteClicked = {},
+                negateClicked = {},
+                submitClicked = {},
+                hideKeyboardClicked = {},
+                onSwapClicked = {})
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/counter/RoundListView.kt

@@ -0,0 +1,84 @@
+package me.zobrist.tichucounter.ui.counter
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.launch
+import me.zobrist.tichucounter.data.entity.Round
+import me.zobrist.tichucounter.ui.AppTheme
+
+@Composable
+fun RoundListView(rounds: List<Round>, modifier: Modifier) {
+    val lazyListState = rememberLazyListState()
+    val scope = rememberCoroutineScope()
+
+    LazyColumn(state = lazyListState, modifier = modifier) {
+        itemsIndexed(rounds) { index, item ->
+            RoundListItem(item, index)
+        }
+
+        scope.launch {
+            lazyListState.animateScrollToItem(rounds.size)
+        }
+    }
+}
+
+@Composable
+private fun RoundListItem(round: Round, index: Int) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(all = 4.dp)
+    ) {
+        Text(
+            text = round.scoreA.toString(),
+            style = MaterialTheme.typography.bodyMedium,
+            modifier = Modifier.weight(5f),
+            textAlign = TextAlign.Center
+        )
+        Text(
+            text = (index + 1).toString(),
+            style = MaterialTheme.typography.bodyMedium,
+            modifier = Modifier.weight(1f),
+            textAlign = TextAlign.Center
+        )
+        Text(
+            text = round.scoreB.toString(),
+            style = MaterialTheme.typography.bodyMedium,
+            modifier = Modifier.weight(5f),
+            textAlign = TextAlign.Center
+        )
+    }
+}
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+fun RoundListViewPreview() {
+    val rounds = listOf(
+        Round(1, 10, 90),
+        Round(1, 5, 95),
+        Round(1, 100, 0),
+        Round(1, 125, -25),
+        Round(1, 50, 50)
+    )
+
+    AppTheme {
+        Surface {
+            RoundListView(rounds, Modifier)
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/counter/TeamNamesView.kt

@@ -0,0 +1,55 @@
+package me.zobrist.tichucounter.ui.counter
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.*
+
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import me.zobrist.tichucounter.ui.AppTheme
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun TeamNamesView(
+    nameA: String,
+    nameB: String,
+    updateA: (String) -> Unit,
+    updateB: (String) -> Unit
+) {
+
+    val color = TextFieldDefaults.textFieldColors(
+        containerColor = MaterialTheme.colorScheme.surfaceColorAtElevation(1.dp)
+    )
+
+    Row {
+        TextField(
+            value = nameA,
+            textStyle = LocalTextStyle.current.copy(textAlign = TextAlign.Center),
+            onValueChange = { updateA(it) },
+            singleLine = true,
+            modifier = Modifier.weight(1f),
+            colors = color
+        )
+
+        TextField(
+            value = nameB,
+            textStyle = LocalTextStyle.current.copy(textAlign = TextAlign.Center),
+            onValueChange = { updateB(it) },
+            singleLine = true,
+            modifier = Modifier.weight(1f),
+            colors = color
+        )
+    }
+}
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+private fun TeamNamesViewPreview() {
+    AppTheme {
+        TeamNamesView("TeamA", "TeamB", {}, {})
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/counter/TeamScoresView.kt

@@ -0,0 +1,53 @@
+package me.zobrist.tichucounter.ui.counter
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import me.zobrist.tichucounter.ui.AppTheme
+
+
+@Composable
+fun TeamScoresView(scoreA: Int, scoreB: Int) {
+
+    ElevatedCard(elevation = CardDefaults.elevatedCardElevation(3.dp)) {
+        Row {
+            Text(
+                style = MaterialTheme.typography.headlineSmall,
+                text = scoreA.toString(),
+                modifier = Modifier
+                    .weight(5f)
+                    .padding(6.dp),
+                textAlign = TextAlign.Center
+            )
+
+            Spacer(modifier = Modifier.weight(1f))
+
+            Text(
+                style = MaterialTheme.typography.headlineSmall,
+                text = scoreB.toString(),
+                modifier = Modifier
+                    .weight(5f)
+                    .padding(6.dp),
+                textAlign = TextAlign.Center
+            )
+        }
+    }
+}
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+private fun TeamScoresViewPreview() {
+    AppTheme {
+        Surface {
+            TeamScoresView(10, 90)
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/history/HistoryView.kt

@@ -0,0 +1,240 @@
+package me.zobrist.tichucounter.ui.history
+
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.DeleteForever
+import androidx.compose.material.icons.outlined.MoreVert
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment.Companion.CenterVertically
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import me.zobrist.tichucounter.R
+import me.zobrist.tichucounter.data.GameWithScores
+import me.zobrist.tichucounter.data.entity.Game
+import me.zobrist.tichucounter.data.entity.Round
+import me.zobrist.tichucounter.domain.getTotalPoints
+import me.zobrist.tichucounter.ui.composables.DropDownMenu
+import java.text.DateFormat
+import java.util.*
+
+
+@Composable
+fun HistoryList(
+    viewModel: HistoryViewModel,
+    navigateToCalculator: () -> Unit
+) {
+
+    var showDeleteDialog by remember { mutableStateOf(false) }
+
+    DeleteConfirmDialog(showDeleteDialog) {
+        showDeleteDialog = false
+        if (it) {
+            viewModel.deleteAllInactiveGames()
+        }
+    }
+
+    HistoryList(
+        viewModel.gameAndHistory,
+        {
+            viewModel.activateGame(it)
+            navigateToCalculator()
+        },
+        { viewModel.deleteGame(it) },
+        { showDeleteDialog = true },
+    )
+}
+
+@Preview
+@Composable
+fun DeleteConfirmDialog(show: Boolean = true, onExecuted: (Boolean) -> Unit = {}) {
+    if (show) {
+
+        AlertDialog(
+            onDismissRequest = { onExecuted(false) },
+            dismissButton = {
+                TextButton({ onExecuted(false) })
+                {
+                    Text(stringResource(R.string.cancel))
+                }
+            },
+            confirmButton = {
+                TextButton({ onExecuted(true) })
+                {
+                    Text(stringResource(R.string.ok))
+                }
+            },
+            title = { Text(stringResource(R.string.delete_inactive_title)) },
+            text = { Text(stringResource(R.string.delete_inactive_text)) },
+        )
+    }
+}
+
+@Composable
+fun HistoryList(
+    games: List<GameWithScores>,
+    onOpenClicked: (GameId: Long) -> Unit,
+    onDeleteClicked: (GameId: Long) -> Unit,
+    onDeleteAllClicked: () -> Unit
+
+) {
+    Row {
+        LazyColumn {
+            item {
+                Text(
+                    modifier = Modifier.padding(start = 10.dp, end = 10.dp),
+                    text = stringResource(R.string.active),
+                    style = MaterialTheme.typography.headlineSmall
+                )
+            }
+            items(games.filter { it.game.active }) {
+                HistoryListItem(it, onOpenClicked, onDeleteClicked)
+            }
+
+            if (games.count() > 1) {
+                item {
+                    Text(
+                        modifier = Modifier.padding(start = 10.dp, end = 10.dp, top = 10.dp),
+                        text = stringResource(R.string.inactive),
+                        style = MaterialTheme.typography.headlineSmall
+                    )
+                }
+
+                items(games.filter { !it.game.active }) {
+                    HistoryListItem(it, onOpenClicked, onDeleteClicked)
+                }
+
+                item {
+                    Button(
+                        enabled = games.count() > 1,
+                        modifier = Modifier
+                            .padding(start = 4.dp, end = 4.dp, top = 10.dp)
+                            .align(CenterVertically)
+                            .fillMaxWidth(),
+                        onClick = { onDeleteAllClicked() }) {
+                        Icon(imageVector = Icons.Outlined.DeleteForever, contentDescription = null)
+                        Text(text = stringResource(id = R.string.deleteAll))
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun HistoryListItem(
+    game: GameWithScores,
+    onOpenClicked: (GameId: Long) -> Unit,
+    onDeleteClicked: (GameId: Long) -> Unit
+) {
+    val format =
+        DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, Locale.getDefault())
+
+
+    val cardColor = if (game.game.active) {
+        CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.secondaryContainer)
+
+    } else {
+        CardDefaults.cardColors()
+    }
+
+    val totalScores = game.getTotalPoints()
+
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(all = 4.dp)
+            .clickable { onOpenClicked(game.game.uid) },
+        colors = cardColor
+    ) {
+        Row(
+            Modifier
+                .padding(all = 12.dp)
+        ) {
+            Column(Modifier.weight(4f)) {
+                Text(
+                    text = game.game.nameA + " vs " + game.game.nameB,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis,
+                    style = MaterialTheme.typography.headlineSmall
+                )
+                Text(
+                    text = totalScores.first.toString() + " : " + totalScores.second.toString(),
+                    style = MaterialTheme.typography.bodyLarge
+                )
+                Spacer(modifier = Modifier.padding(5.dp))
+                Text(
+                    text = format.format(game.game.modified),
+                    style = MaterialTheme.typography.labelSmall
+                )
+            }
+            Column(
+                Modifier
+                    .wrapContentSize()
+                    .width(40.dp)
+            ) {
+
+                if (!game.game.active) {
+                    var expanded by remember { mutableStateOf(false) }
+
+                    Icon(
+                        modifier = Modifier
+                            .padding(start = 20.dp, bottom = 20.dp)
+                            .clickable { expanded = true },
+                        imageVector = Icons.Outlined.MoreVert,
+                        contentDescription = null
+                    )
+
+
+                    DropDownMenu(
+                        mapOf("delete" to R.string.delete),
+                        "",
+                        expanded,
+                    ) {
+                        expanded = false
+                        it?.let {
+                            when (it) {
+                                "delete" -> onDeleteClicked(game.game.uid)
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+private fun HistoryListPreview() {
+    val tempData = listOf(
+        GameWithScores(
+            Game(true, "abc", "def", Date(), Date()),
+            listOf(Round(1, 550, 500))
+        ),
+        GameWithScores(
+            Game(false, "ADTH", "dogfg", Date(), Date()),
+            listOf(Round(2, 20, 60))
+        ),
+        GameWithScores(
+            Game(false, "TeamA3 langer Name", "TeamB3", Date(), Date()),
+            listOf(Round(3, 30, 70))
+        ),
+        GameWithScores(
+            Game(false, "TeamA4", "TeamB4", Date(), Date()),
+            listOf(Round(4, 40, 80))
+        ),
+        GameWithScores(
+            Game(false, "TeamA5", "TeamB5", Date(), Date()),
+            listOf(Round(5, 50, 90))
+        )
+    )
+    HistoryList(tempData, {}, {}) {}
+}

app/src/main/java/me/zobrist/tichucounter/ui/history/HistoryViewModel.kt

@@ -0,0 +1,51 @@
+package me.zobrist.tichucounter.ui.history
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import me.zobrist.tichucounter.data.GameWithScores
+import me.zobrist.tichucounter.repository.GameRepository
+import javax.inject.Inject
+
+
+@HiltViewModel
+class HistoryViewModel @Inject constructor(
+    private val gameRepository: GameRepository
+) : ViewModel() {
+
+    var gameAndHistory by mutableStateOf(emptyList<GameWithScores>())
+        private set
+
+    init {
+        viewModelScope.launch {
+
+            gameRepository.getAllWithRoundFlow().collect { games ->
+                gameAndHistory =
+                    games.sortedBy { it.game.modified }.sortedBy { it.game.active }.reversed()
+            }
+        }
+    }
+
+    fun deleteGame(gameId: Long) {
+        viewModelScope.launch {
+            gameRepository.deleteGame(gameId)
+        }
+    }
+
+    fun activateGame(gameId: Long) {
+        viewModelScope.launch {
+            gameRepository.setActive(gameId)
+        }
+
+    }
+
+    fun deleteAllInactiveGames() {
+        viewModelScope.launch {
+            gameRepository.deleteAllInactive()
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/layout/DrawerContent.kt

@@ -0,0 +1,64 @@
+package me.zobrist.tichucounter.ui.layout
+
+import android.content.res.Configuration
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.outlined.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import me.zobrist.tichucounter.R
+import me.zobrist.tichucounter.domain.*
+import me.zobrist.tichucounter.ui.AppTheme
+import me.zobrist.tichucounter.ui.counter.*
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun DrawerContent(
+    drawerItems: List<DrawerItem>,
+    selectedDrawerItem: DrawerItem,
+    onElementClicked: (Route) -> Unit
+) {
+
+    ModalDrawerSheet {
+
+        Text(
+            modifier = Modifier.padding(start = 10.dp, top = 10.dp),
+            text = stringResource(R.string.app_name),
+            style = MaterialTheme.typography.headlineSmall
+        )
+        Divider(modifier = Modifier.padding(10.dp))
+
+        drawerItems.forEach { screen ->
+            NavigationDrawerItem(
+                icon = { Icon(screen.menuIcon, contentDescription = null) },
+                label = { Text(screen.menuName) },
+                selected = screen == selectedDrawerItem,
+                onClick = { onElementClicked(screen.route) },
+                modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding)
+            )
+        }
+    }
+}
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+fun DrawerContentPreview() {
+
+    val counter = DrawerItem(Route.COUNTER, Icons.Outlined.Calculate, "Counter")
+    val history = DrawerItem(Route.HISTORY, Icons.Outlined.List, "History")
+    val settings = DrawerItem(Route.SETTINGS, Icons.Outlined.Settings, "Settings")
+    AppTheme {
+        Surface {
+            DrawerContent(
+                listOf(counter, history, settings),
+                counter
+            ) {}
+        }
+    }
+}

app/src/main/java/me/zobrist/tichucounter/ui/layout/TopBar.kt

@@ -0,0 +1,56 @@
+package me.zobrist.tichucounter.ui.layout
+
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.style.TextOverflow
+import me.zobrist.tichucounter.domain.TopBarAction
+import me.zobrist.tichucounter.domain.TopBarState
+
+@Composable
+fun TopBar(topBarState: TopBarState) {
+    TopBar(
+        topBarState.title,
+        topBarState.icon,
+        topBarState.onNavigate,
+        topBarState.actions
+    )
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun TopBar(
+    title: String,
+    icon: ImageVector,
+    navigateAction: () -> Unit,
+    actions: List<TopBarAction>
+) {
+    TopAppBar(
+        title = {
+            Text(
+                title,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis
+            )
+        },
+        navigationIcon = {
+            IconButton(onClick = { navigateAction() }) {
+                Icon(
+                    imageVector = icon,
+                    contentDescription = "Localized description"
+                )
+            }
+        },
+        actions = {
+            actions.forEach {
+                IconButton(onClick = { it.action() }, enabled = it.isActive) {
+                    Icon(
+                        imageVector = it.imageVector,
+                        contentDescription = null,
+                    )
+                    it.composeCode()
+                }
+            }
+        }
+    )
+}

app/src/main/java/me/zobrist/tichucounter/ui/settings/SettingsView.kt

@@ -0,0 +1,178 @@
+package me.zobrist.tichucounter.ui.settings
+
+import android.content.res.Configuration
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.ArrowDropDown
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment.Companion.End
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import me.zobrist.tichucounter.R
+import me.zobrist.tichucounter.domain.KeepScreenOn
+import me.zobrist.tichucounter.domain.Language
+import me.zobrist.tichucounter.domain.Theme
+import me.zobrist.tichucounter.ui.AppTheme
+import me.zobrist.tichucounter.ui.composables.DropDownMenu
+
+
+val languageMap = mapOf(
+    Language.DEFAULT to R.string.android_default_text,
+    Language.ENGLISH to R.string.english,
+    Language.GERMAN to R.string.german
+)
+
+val themeMap = mapOf(
+    Theme.DEFAULT to R.string.android_default_text,
+    Theme.DARK to R.string.dark,
+    Theme.LIGHT to R.string.light
+)
+
+
+@Composable
+fun SettingsView(viewModel: SettingsViewModel) {
+    SettingsView(
+        viewModel.screenOn.value,
+        viewModel.language,
+        viewModel.theme,
+        { viewModel.updateScreenOn(it) },
+        { viewModel.updateLanguage(it) },
+        { viewModel.updateTheme(it) })
+}
+
+@Composable
+fun SettingsView(
+    valueScreenOn: Boolean = true,
+    valueLanguage: Language = Language.ENGLISH,
+    valueTheme: Theme = Theme.DARK,
+    updateScreenOn: (KeepScreenOn) -> Unit = {},
+    updateLanguage: (Language) -> Unit = {},
+    updateTheme: (Theme) -> Unit = {}
+) {
+    Column {
+        BooleanSetting(
+            stringResource(R.string.keep_screen_on),
+            valueScreenOn
+        ) { updateScreenOn(if (it) KeepScreenOn.ON else KeepScreenOn.OFF) }
+
+        StringSetting(
+            stringResource(R.string.choose_language_text),
+            languageMap,
+            valueLanguage,
+        ) { updateLanguage(it) }
+
+        StringSetting(
+            stringResource(R.string.choose_theme_text),
+            themeMap,
+            valueTheme,
+        ) { updateTheme(it) }
+    }
+}
+
+@Composable
+fun BooleanSetting(name: String, value: Boolean, updateValue: (Boolean) -> Unit) {
+
+    Row(
+        Modifier
+            .padding(20.dp)
+            .fillMaxWidth()
+    ) {
+        Column(Modifier.weight(5f)) {
+            Text(
+                name,
+                maxLines = 1,
+                style = MaterialTheme.typography.bodyLarge,
+                overflow = TextOverflow.Ellipsis
+            )
+            Text(
+                stringResource(if (value) R.string.on else R.string.off),
+                style = MaterialTheme.typography.labelLarge
+            )
+
+        }
+        Column(Modifier.weight(1f))
+        {
+            Switch(
+                checked = value,
+                modifier = Modifier.align(End),
+                onCheckedChange = { updateValue(it) })
+        }
+    }
+}
+
+@Composable
+fun <T> StringSetting(name: String, map: Map<T, Int>, selected: T, onSelected: (T) -> Unit) {
+
+    var expanded by remember { mutableStateOf(false) }
+
+    Row(
+        Modifier
+            .fillMaxWidth()
+            .padding(20.dp)
+            .clickable { expanded = true }) {
+        Column(Modifier.weight(5f)) {
+            Text(name, style = MaterialTheme.typography.bodyLarge, overflow = TextOverflow.Ellipsis)
+            map[selected]?.let {
+                Text(
+                    stringResource(it),
+                    style = MaterialTheme.typography.labelLarge
+                )
+            }
+        }
+
+        Column(Modifier.weight(1f)) {
+            Icon(
+                Icons.Outlined.ArrowDropDown,
+                contentDescription = null,
+                modifier = Modifier.align(End)
+            )
+        }
+
+        DropDownMenu(
+            map,
+            selected,
+            expanded,
+        ) {
+            expanded = false
+            it?.let { onSelected(it) }
+        }
+    }
+}
+
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+fun SettingsViewPreview() {
+
+    AppTheme {
+        Surface {
+            SettingsView()
+        }
+    }
+}
+
+@Preview(name = "Light Mode")
+@Preview(name = "Dark Mode", uiMode = Configuration.UI_MODE_NIGHT_YES, showBackground = true)
+@Composable
+fun StringSettingPreview() {
+
+    AppTheme {
+        Surface {
+            DropDownMenu(
+                themeMap,
+                Theme.LIGHT,
+                true,
+            ) {}
+        }
+    }
+}
+

app/src/main/java/me/zobrist/tichucounter/ui/settings/SettingsViewModel.kt

@@ -0,0 +1,42 @@
+package me.zobrist.tichucounter.ui.settings
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.lifecycle.ViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import me.zobrist.tichucounter.domain.KeepScreenOn
+import me.zobrist.tichucounter.domain.Language
+import me.zobrist.tichucounter.domain.SettingsAdapter
+import me.zobrist.tichucounter.domain.Theme
+import javax.inject.Inject
+
+@HiltViewModel
+class SettingsViewModel @Inject constructor(private val settings: SettingsAdapter) : ViewModel() {
+
+
+    var language by mutableStateOf(settings.language)
+        private set
+
+    var theme by mutableStateOf(settings.theme)
+        private set
+
+    var screenOn by mutableStateOf(settings.keepScreenOn)
+        private set
+
+    fun updateLanguage(language: Language) {
+        settings.setLanguage(language)
+        this.language = settings.language
+    }
+
+    fun updateTheme(theme: Theme) {
+        settings.setTheme(theme)
+        this.theme = settings.theme
+    }
+
+    fun updateScreenOn(value: KeepScreenOn) {
+        settings.setKeepScreenOn(value)
+        screenOn = settings.keepScreenOn
+    }
+
+}

app/src/main/res/layout-land/content_main.xml

@@ -1,319 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:visibility="visible"
-    app:layout_behavior="@string/appbar_scrolling_view_behavior">
-
-    <LinearLayout
-        android:id="@+id/left"
-        android:layout_width="0dp"
-        android:layout_height="match_parent"
-        android:orientation="vertical"
-        android:weightSum="2"
-        app:layout_constraintEnd_toStartOf="@+id/right"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <LinearLayout
-            android:id="@+id/viewNames"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <EditText
-                android:id="@+id/nameTeamA"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:autofillHints=""
-                android:gravity="center"
-                android:imeOptions="actionDone"
-                android:inputType="text"
-                android:selectAllOnFocus="true"
-                android:singleLine="true"
-                android:text="@string/team_a"
-                android:textAppearance="@style/TextAppearance.AppCompat.Large" />
-
-            <EditText
-                android:id="@+id/nameTeamB"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:autofillHints=""
-                android:gravity="center"
-                android:imeOptions="actionDone"
-                android:inputType="text"
-                android:selectAllOnFocus="true"
-                android:singleLine="true"
-                android:text="@string/team_b"
-                android:textAppearance="@style/TextAppearance.AppCompat.Large" />
-
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/viewScore"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <TextView
-                android:id="@+id/scoreA"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:gravity="center"
-                android:text="0"
-                android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-                android:textSize="18sp"
-                android:textStyle="bold" />
-
-            <TextView
-                android:id="@+id/scoreB"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:gravity="center"
-                android:text="0"
-                android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-                android:textSize="18sp"
-                android:textStyle="bold" />
-
-        </LinearLayout>
-
-        <ScrollView
-            android:id="@+id/scrollViewHistory"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:layout_marginTop="16dp"
-            android:clickable="true">
-
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal">
-
-                <TextView
-                    android:id="@+id/historyA"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_weight="0.2"
-                    android:gravity="center" />
-
-                <TextView
-                    android:id="@+id/historyB"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_weight="0.2"
-                    android:gravity="center" />
-
-            </LinearLayout>
-        </ScrollView>
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/right"
-        android:layout_width="0dp"
-        android:layout_height="match_parent"
-        android:gravity="bottom"
-        android:orientation="vertical"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@+id/left">
-
-        <LinearLayout
-            android:id="@+id/viewInput"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <EditText
-                android:id="@+id/inputTeamA"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:ems="10"
-                android:gravity="center"
-                android:hint="0"
-                android:importantForAutofill="no"
-                android:inputType="numberSigned" />
-
-            <EditText
-                android:id="@+id/inputTeamB"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:ems="10"
-                android:gravity="center"
-                android:hint="0"
-                android:importantForAutofill="no"
-                android:inputType="numberSigned" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/ButtonRow1"
-            style="?android:attr/buttonBarStyle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <Button
-                android:id="@+id/button1"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="1" />
-
-            <Button
-                android:id="@+id/button2"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="2" />
-
-            <Button
-                android:id="@+id/button3"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="3" />
-
-            <Button
-                android:id="@+id/buttonAdd100"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="+100" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/ButtonRow2"
-            style="?android:attr/buttonBarStyle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <Button
-                android:id="@+id/button4"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="4" />
-
-            <Button
-                android:id="@+id/button5"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="5" />
-
-            <Button
-                android:id="@+id/button6"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="6" />
-
-            <Button
-                android:id="@+id/buttonSub100"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="-100" />
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/ButtonRow3"
-            style="?android:attr/buttonBarStyle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <Button
-                android:id="@+id/button7"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="7" />
-
-            <Button
-                android:id="@+id/button8"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="8" />
-
-            <Button
-                android:id="@+id/button9"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="9" />
-
-            <ImageButton
-                android:id="@+id/buttonBack"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="match_parent"
-                android:layout_weight="1"
-                android:cropToPadding="false"
-                android:paddingTop="15dp"
-                android:paddingBottom="15dp"
-                android:scaleType="fitCenter"
-                app:srcCompat="@drawable/back" />
-
-        </LinearLayout>
-
-        <LinearLayout
-            android:id="@+id/ButtonRow4"
-            style="?android:attr/buttonBarStyle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <Button
-                android:id="@+id/buttonInv"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1.0"
-                android:text="+/-" />
-
-            <Button
-                android:id="@+id/button0"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1.0"
-                android:text="0" />
-
-            <Space
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1.0" />
-
-            <ImageButton
-                android:id="@+id/submit"
-                style='style="?android:attr/buttonBarButtonStyle'
-                android:layout_width="0dp"
-                android:layout_height="match_parent"
-                android:layout_weight="1.0"
-                android:scaleType="fitCenter"
-                app:srcCompat="@drawable/checkmark" />
-        </LinearLayout>
-    </LinearLayout>
-
-</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_main.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".MainActivity">
-
-    <com.google.android.material.appbar.AppBarLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:theme="@style/AppTheme.AppBarOverlay">
-
-        <androidx.appcompat.widget.Toolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize"
-            android:background="?attr/colorPrimary"
-            app:popupTheme="@style/AppTheme.PopupOverlay" />
-
-    </com.google.android.material.appbar.AppBarLayout>
-
-    <include layout="@layout/content_main" />
-
-</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/content_main.xml

@@ -1,322 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    app:layout_behavior="@string/appbar_scrolling_view_behavior">
-
-    <LinearLayout
-        android:id="@+id/viewNames"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:orientation="horizontal"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <EditText
-            android:id="@+id/nameTeamA"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:autofillHints=""
-            android:gravity="center"
-            android:imeOptions="actionDone"
-            android:inputType="text"
-            android:selectAllOnFocus="true"
-            android:singleLine="true"
-            android:text="@string/team_a"
-            android:textAppearance="@style/TextAppearance.AppCompat.Large" />
-
-        <EditText
-            android:id="@+id/nameTeamB"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:autofillHints=""
-            android:gravity="center"
-            android:imeOptions="actionDone"
-            android:inputType="text"
-            android:selectAllOnFocus="true"
-            android:singleLine="true"
-            android:text="@string/team_b"
-            android:textAppearance="@style/TextAppearance.AppCompat.Large" />
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/viewScore"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        app:layout_constraintTop_toBottomOf="@+id/viewNames">
-
-        <TextView
-            android:id="@+id/scoreA"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:text="0"
-            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-            android:textSize="18sp"
-            android:textStyle="bold" />
-
-        <TextView
-            android:id="@+id/scoreB"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:text="0"
-            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
-            android:textSize="18sp"
-            android:textStyle="bold" />
-
-    </LinearLayout>
-
-    <View
-        android:id="@+id/divider5"
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="?android:attr/listDivider"
-        app:layout_constraintBottom_toBottomOf="@+id/scrollViewHistory" />
-
-    <ScrollView
-        android:id="@+id/scrollViewHistory"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_marginTop="16dp"
-        android:clickable="true"
-        app:layout_constraintBottom_toTopOf="@+id/viewInput"
-        app:layout_constraintTop_toBottomOf="@+id/viewScore">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <TextView
-                android:id="@+id/historyA"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="0.2"
-                android:gravity="center" />
-
-            <TextView
-                android:id="@+id/historyB"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="0.2"
-                android:gravity="center" />
-
-        </LinearLayout>
-
-    </ScrollView>
-
-
-    <View
-        android:id="@+id/divider6"
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="?android:attr/listDivider"
-        app:layout_constraintBottom_toBottomOf="@+id/viewScore" />
-
-    <LinearLayout
-        android:id="@+id/viewInput"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:orientation="horizontal"
-        app:layout_constraintBottom_toTopOf="@+id/ButtonRow1">
-
-        <EditText
-            android:id="@+id/inputTeamA"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:ems="10"
-            android:gravity="center"
-            android:hint="0"
-            android:importantForAutofill="no"
-            android:inputType="numberSigned" />
-
-        <EditText
-            android:id="@+id/inputTeamB"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:ems="10"
-            android:gravity="center"
-            android:hint="0"
-            android:importantForAutofill="no"
-            android:inputType="numberSigned" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/ButtonRow1"
-        style="?android:attr/buttonBarStyle"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:orientation="horizontal"
-        app:layout_constraintBottom_toTopOf="@+id/ButtonRow2">
-
-        <Button
-            android:id="@+id/button1"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="1" />
-
-        <Button
-            android:id="@+id/button2"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="2" />
-
-        <Button
-            android:id="@+id/button3"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="3" />
-
-        <Button
-            android:id="@+id/buttonAdd100"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="+100" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/ButtonRow2"
-        style="?android:attr/buttonBarStyle"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:orientation="horizontal"
-        app:layout_constraintBottom_toTopOf="@+id/ButtonRow3">
-
-        <Button
-            android:id="@+id/button4"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="4" />
-
-        <Button
-            android:id="@+id/button5"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="5" />
-
-        <Button
-            android:id="@+id/button6"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="6" />
-
-        <Button
-            android:id="@+id/buttonSub100"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="-100" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/ButtonRow3"
-        style="?android:attr/buttonBarStyle"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:orientation="horizontal"
-        app:layout_constraintBottom_toTopOf="@+id/ButtonRow4">
-
-        <Button
-            android:id="@+id/button7"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="7" />
-
-        <Button
-            android:id="@+id/button8"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="8" />
-
-        <Button
-            android:id="@+id/button9"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="9" />
-
-        <ImageButton
-            android:id="@+id/buttonBack"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:layout_weight="1"
-            android:cropToPadding="false"
-            android:paddingTop="15dp"
-            android:paddingBottom="15dp"
-            android:scaleType="fitCenter"
-            app:srcCompat="@drawable/back" />
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/ButtonRow4"
-        style="?android:attr/buttonBarStyle"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:orientation="horizontal"
-        android:visibility="visible"
-        app:layout_constraintBottom_toBottomOf="parent"
-        tools:layout_editor_absoluteX="1dp">
-
-        <Button
-            android:id="@+id/buttonInv"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1.0"
-            android:text="+/-" />
-
-        <Button
-            android:id="@+id/button0"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1.0"
-            android:text="0" />
-
-        <Space
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1.0" />
-
-        <ImageButton
-            android:id="@+id/submit"
-            style='style="?android:attr/buttonBarButtonStyle'
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:layout_weight="1.0"
-            android:scaleType="fitCenter"
-            app:srcCompat="@drawable/checkmark" />
-    </LinearLayout>
-</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/menu_main.xml

@@ -1,25 +0,0 @@
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    tools:context="me.zobrist.tichucounter.MainActivity">
-    <item
-        android:id="@+id/action_undo"
-        android:icon="@android:drawable/ic_menu_revert"
-        android:orderInCategory="5"
-        android:title="@string/undo" />
-    <item
-        android:id="@+id/action_clear"
-        android:checkable="false"
-        android:orderInCategory="10"
-        android:title="@string/clear"
-        app:showAsAction="never" />
-    <item
-        android:id="@+id/action_theme"
-        android:orderInCategory="15"
-        android:title="@string/choose_theme_text" />
-    <item
-        android:id="@+id/action_screenOn"
-        android:checkable="true"
-        android:orderInCategory="20"
-        android:title="@string/keep_screen_on" />
-</menu>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background"/>
-    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <background android:drawable="@color/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background"/>
-    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <background android:drawable="@color/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
 </adaptive-icon>

app/src/main/res/values-de/strings.xml

@@ -1,10 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="clear">Neues Spiel starten</string>
-    <string name="undo">Letzte Runde löschen</string>
     <string name="choose_theme_text">Theme auswählen</string>
     <string name="keep_screen_on">Bildschirm eingeschaltet lassen</string>
-    <string name="confirmClear">Möchten Sie das laufende Spiel wirklich löshen?</string>
-    <string name="yes">Ja</string>
-    <string name="no">Nein</string>
+    <string name="choose_language_text">Sprache wählen</string>
+    <string name="android_default_text">Android Standard</string>
+    <string name="english">Englisch</string>
+    <string name="german">Deutsch</string>
+    <string name="light">Hell</string>
+    <string name="dark">Dunkel</string>
+    <string name="menu_history">Verlauf</string>
+    <string name="menu_settings">Einstellungen</string>
+    <string name="on">Ein</string>
+    <string name="off">Aus</string>
+    <string name="newGame">Neues Spiel</string>
+    <string name="delete_inactive_title">Verlauf löschen</string>
+    <string name="delete_inactive_text">Wirklich den gesamten Verlauf löschen? Diese Aktion kann nicht rückgängig gemacht werden.</string>
+    <string name="cancel">Abbrechen</string>
+    <string name="ok">Ok</string>
+    <string name="delete">Löschen</string>
+    <string name="deleteAll">Alle löschen</string>
+    <string name="active">Aktives Spiel</string>
+    <string name="inactive">Vergangene Spiele</string>
+    <string name="menu_counter">Counter</string>
+
 </resources>

app/src/main/res/values-gsw-rCH/strings.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="clear">Neus Spil starte</string>
-    <string name="undo">Letschti Rundi lösche</string>
-    <string name="choose_theme_text">Usgsehe ändere</string>
-    <string name="keep_screen_on">Bildschirm igschalted la</string>
-    <string name="confirmClear">Wosch ds loufende Spil würklech lösche?</string>
-    <string name="yes">Ja</string>
-    <string name="no">Nei</string>
-</resources>

app/src/main/res/values/colors.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">@color/ic_launcher_background</color>
-    <color name="colorPrimaryDark">#830000</color>
-    <color name="colorAccent">#F57F17</color>
+    <color name="primaryColor">#d50000</color>
+
 </resources>

app/src/main/res/values/ic_launcher_background.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="ic_launcher_background">#DC0E00</color>
+    <color name="ic_launcher_background">@color/primaryColor</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -1,14 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name" translatable="false">Tichu Counter</string>
-    <!-- Strings used for fragments for navigation -->
 
-    <string name="team_a" translatable="false">Team A</string>
-    <string name="team_b" translatable="false">Team B</string>
-    <string name="clear">Start new game</string>
-    <string name="undo">Undo last round</string>
     <string name="choose_theme_text">Choose theme</string>
     <string name="keep_screen_on">Keep screen on</string>
-    <string name="confirmClear">Do you really want to delete the current game?</string>
-    <string name="yes">Yes</string>
-    <string name="no">No</string>
+    <string name="choose_language_text">Choose language</string>
+    <string name="android_default_text">Android Default</string>
+    <string name="english">English</string>
+    <string name="german">German</string>
+    <string name="light">Light</string>
+    <string name="dark">Dark</string>
+
+    <string name="menu_history">History</string>
+    <string name="menu_settings">Settings</string>
+    <string name="on">On</string>
+    <string name="off">Off</string>
+    <string name="newGame">New Game</string>
+    <string name="delete_inactive_title">Delete history</string>
+    <string name="delete_inactive_text">You really want to delete the the history? This action can\'t be undone.</string>
+    <string name="cancel">Cancel</string>
+    <string name="ok">Ok</string>
+    <string name="delete">Delete</string>
+    <string name="deleteAll">Delete all</string>
+    <string name="active">Current Game</string>
+    <string name="inactive">Old Games</string>
+    <string name="menu_counter">Counter</string>
+    <string name="menu_about">About</string>
 </resources>

app/src/main/res/values/styles.xml

@@ -1,20 +1,3 @@
 <resources>
-    <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.DayNight">
-        <!-- Customize your theme here. -->
-        <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="colorAccent">@color/colorAccent</item>
-
-    </style>
-
-    <style name="AppTheme.NoActionBar">
-        <item name="windowActionBar">false</item>
-        <item name="windowNoTitle">true</item>
-    </style>
-
-    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
-
-    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
 
 </resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,5 @@
+<resources>
+
+    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.NoActionBar" />
+
+</resources>

app/src/main/res/xml/backup_descriptor.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<full-backup-content>
+    <!-- Exclude specific shared preferences that contain GCM registration Id -->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<data-extraction-rules>
+    <cloud-backup>
+
+    </cloud-backup>
+</data-extraction-rules>

app/src/main/res/xml/locales_config.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<locale-config xmlns:android="http://schemas.android.com/apk/res/android">
+    <locale android:name="en" />
+    <locale android:name="de" />
+</locale-config>

app/src/test/java/me/zobrist/tichucounter/HistoryUnitTest.kt

@@ -1,53 +0,0 @@
-package me.zobrist.tichucounter
-
-import org.junit.Assert.assertEquals
-import org.junit.Assert.assertNotEquals
-import org.junit.Test
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-class HistoryUnitTest {
-    @Test
-    fun calculation_isCorrect() {
-        val history = History()
-
-        history.revertLastRound()
-        history.getHistoryA()
-        history.getHistoryB()
-        history.getScoreA()
-        history.getScoreB()
-
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-        history.logRound(Round(10, 10))
-
-        assertEquals(100, history.getScoreA())
-        assertEquals(100, history.getScoreB())
-
-        history.revertLastRound()
-
-        assertEquals(90, history.getScoreA())
-        assertEquals(90, history.getScoreB())
-
-        assertNotEquals("", history.getHistoryA())
-        assertNotEquals("", history.getHistoryB())
-
-        history.clearAll()
-        assertEquals(0, history.getScoreA())
-        assertEquals(0, history.getScoreB())
-
-
-        assertEquals("", history.getHistoryA())
-        assertEquals("", history.getHistoryB())
-    }
-}

app/src/test/java/me/zobrist/tichucounter/RoundUnitTest.kt

@@ -1,92 +0,0 @@
-package me.zobrist.tichucounter
-
-import org.junit.Assert.*
-import org.junit.Test
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-class RoundUnitTest {
-    @Test
-    fun calculation_isCorrect() {
-
-        var inputScoreA = 125
-        var inputScoreB = -25
-        var temp: Round
-
-        // Normal round range -25 to 125 as input
-        while (inputScoreB >= 125) {
-            temp = Round(inputScoreA, true)
-            assertEquals(inputScoreB, temp.scoreB)
-            assertTrue(temp.isValidRound())
-
-            temp = Round(inputScoreA, false)
-            assertEquals(inputScoreB, temp.scoreA)
-            assertTrue(temp.isValidRound())
-
-            inputScoreA -= 5
-            inputScoreB += 5
-        }
-
-        // Team a +100 points for Tichu
-        inputScoreA = 125 + 100
-        inputScoreB = -25
-
-        // Normal round range -25 to 125 as input
-        while (inputScoreB >= 125) {
-            temp = Round(inputScoreA, true)
-            assertEquals(inputScoreB, temp.scoreB)
-            assertTrue(temp.isValidRound())
-
-            temp = Round(inputScoreA, false)
-            assertEquals(inputScoreB, temp.scoreA)
-            assertTrue(temp.isValidRound())
-
-            inputScoreA -= 5
-            inputScoreB += 5
-        }
-
-        // Double win
-        temp = Round(200, true)
-        assertEquals(0, temp.scoreB)
-        assertTrue(temp.isValidRound())
-
-        temp = Round(200, false)
-        assertEquals(0, temp.scoreA)
-        assertTrue(temp.isValidRound())
-
-        // Double win with Tichu
-        temp = Round(300, true)
-        assertEquals(0, temp.scoreB)
-        assertTrue(temp.isValidRound())
-
-        temp = Round(300, false)
-        assertEquals(0, temp.scoreA)
-        assertTrue(temp.isValidRound())
-
-        // Double win with Grand Tichu
-        temp = Round(400, true)
-        assertEquals(0, temp.scoreB)
-        assertTrue(temp.isValidRound())
-
-        temp = Round(400, false)
-        assertEquals(0, temp.scoreA)
-        assertTrue(temp.isValidRound())
-
-        //Good rounds
-        temp = Round(0, 0)
-        assertTrue(temp.isValidRound())
-
-        //Bad rounds
-        temp = Round(5, 12)
-        assertFalse(temp.isValidRound())
-
-        temp = Round(12, 5)
-        assertFalse(temp.isValidRound())
-
-        temp = Round(5, 55)
-        assertFalse(temp.isValidRound())
-    }
-}

app/src/test/java/me/zobrist/tichucounter/TichuUnitTest.kt

@@ -0,0 +1,61 @@
+package me.zobrist.tichucounter
+
+import me.zobrist.tichucounter.domain.Tichu
+import org.junit.Assert.*
+import org.junit.Test
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class TichuUnitTest {
+    @Test
+    fun calculation_isCorrect() {
+
+        var inputScoreA = 125
+        var inputScoreB = -25
+
+        val tichu = Tichu()
+
+        // Normal round range -25 to 125 as input
+        while (inputScoreB <= 125) {
+            assertGeneratedRound(tichu, inputScoreA, inputScoreB)
+
+            inputScoreA -= 5
+            inputScoreB += 5
+        }
+
+        // Double win
+        assertGeneratedRound(tichu, 200, 0)
+
+        // Double win with Tichu
+        assertGeneratedRound(tichu, 300, 0)
+
+        // Double win with Grand Tichu
+        assertGeneratedRound(tichu, 400, 0)
+
+        //Good rounds trough Tichu
+        assertValidRound(tichu, 0, 0)
+        assertValidRound(tichu, -100, 0)
+
+        //Bad rounds
+        assertInvalidRound(tichu, 5, 12)
+        assertInvalidRound(tichu, 12, 5)
+        assertInvalidRound(tichu, 5, 55)
+    }
+
+    private fun assertGeneratedRound(tichu: Tichu, scoreA: Int, expectedScoreB: Int) {
+        val scoreB = tichu.calculateOtherScore(scoreA)
+        assertEquals(expectedScoreB, scoreB)
+        assertTrue(tichu.isValidRound(scoreA, scoreB!!))
+    }
+
+    private fun assertInvalidRound(tichu: Tichu, scoreA: Int, scoreB: Int) {
+        assertFalse(tichu.isValidRound(scoreA, scoreB))
+    }
+
+    private fun assertValidRound(tichu: Tichu, scoreA: Int, scoreB: Int) {
+        assertTrue(tichu.isValidRound(scoreA, scoreB))
+    }
+}

build.gradle

@@ -1,12 +1,15 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.4.0"
+    ext {
+        compose_version = '1.1.1'
+    }
+    ext.kotlin_version = "1.7.20"
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.0.1"
+        classpath 'com.android.tools.build:gradle:7.4.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
@@ -14,10 +17,15 @@ buildscript {
     }
 }
 
+plugins {
+    id 'com.google.dagger.hilt.android' version '2.44' apply false
+    id 'org.jetbrains.kotlin.android' version '1.7.20' apply false
+}
+
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 

gradle.properties

@@ -16,6 +16,6 @@ org.gradle.jvmargs=-Xmx2048m
 # https://developer.android.com/topic/libraries/support-library/androidx-rn
 android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
-android.enableJetifier=true
+android.enableJetifier=false
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip