Target API33. Setup Hilt DI framework. Apply formatting

app/build.gradle

@@ -1,5 +1,9 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'kotlin-kapt'
+    id 'com.google.dagger.hilt.android'
+}
 
 // Create a variable called keystorePropertiesFile, and initialize it to your
 // keystore.properties file, in the rootProject folder.
@@ -16,15 +20,17 @@ def versionProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 versionProperties.load(new FileInputStream(versionPropertiesFile))
 
+
 android {
-    compileSdkVersion 32
+    compileSdkVersion 33
 
     defaultConfig {
         applicationId "me.zobrist.tichucounter"
         minSdkVersion 16
-        targetSdkVersion 32
+        targetSdkVersion 33
         versionCode versionProperties["versionCode"].toInteger()
         versionName "1.1.0Beta1"
+        resConfigs("de", "en")
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -62,17 +68,23 @@ android {
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.8.0'
-    implementation 'androidx.appcompat:appcompat:1.6.0-alpha05'
-    implementation 'com.google.android.material:material:1.6.1'
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.appcompat:appcompat:1.6.0-rc01'
+    implementation 'com.google.android.material:material:1.7.0'
     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:2.8.9'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.4.2'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.4.2'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.5.3'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.5.3'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-
+    androidTestImplementation 'androidx.test.ext:junit:1.1.4'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
+    implementation "com.google.dagger:hilt-android:2.44"
+    kapt "com.google.dagger:hilt-compiler:2.44"
+}
+
+// Allow references to generated code
+kapt {
+    correctErrorTypes true
 }

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

@@ -2,19 +2,20 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <application
-
+        android:name=".framework.TichuCounterApplication"
         android:allowBackup="true"
+        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"
-        android:fullBackupContent="@xml/backup_descriptor">
+        android:theme="@style/AppTheme">
         <activity
-            android:name=".MainActivity"
-            android:windowSoftInputMode="adjustPan"
+            android:name=".viewModel.MainActivity"
+            android:exported="true"
             android:theme="@style/AppTheme.NoActionBar"
-            android:exported="true">
+            android:windowSoftInputMode="adjustPan">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

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

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

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

@@ -1,65 +0,0 @@
-package me.zobrist.tichucounter
-
-class History
-{
-    private var scores=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+=it.scoreA.toString() + "\n"
-        }
-        return tempHistory
-    }
-
-    fun getHistoryB(): String
-    {
-        var tempHistory=String()
-        scores.forEach {
-            tempHistory+=it.scoreB.toString() + "\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()
-    }
-}

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

@@ -1,47 +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 (score.isMultipleOf100() && score != 0)
-        {
-            return 0
-        }
-        if (score in 101 ..125)
-        {
-            return 0 - (score % 100)
-        }
-        return 100 - (score % 100)
-    }
-
-    fun isValidRound(): Boolean
-    {
-        return (scoreA.isMultipleOf5()) && scoreB.isMultipleOf5() && (scoreA + scoreB).isMultipleOf100()
-    }
-}

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

@@ -0,0 +1,60 @@
+package me.zobrist.tichucounter.domain
+
+import javax.inject.Inject
+
+class History {
+    private var scores = ArrayList<Round>()
+
+    @Inject
+    constructor()
+
+    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 += it.scoreA.toString() + "\n"
+        }
+        return tempHistory
+    }
+
+    fun getHistoryB(): String {
+        var tempHistory = String()
+        scores.forEach {
+            tempHistory += it.scoreB.toString() + "\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()
+    }
+}

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

@@ -0,0 +1,9 @@
+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/Round.kt

@@ -0,0 +1,37 @@
+package me.zobrist.tichucounter.domain
+
+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
+    }
+
+    fun calculateOtherScore(score: Int): Int {
+        if (score.isMultipleOf100() && score != 0) {
+            return 0
+        }
+        if (score in 101..125) {
+            return 0 - (score % 100)
+        }
+        return 100 - (score % 100)
+    }
+
+    fun isValidRound(): Boolean {
+        return (scoreA.isMultipleOf5()) && scoreB.isMultipleOf5() && (scoreA + scoreB).isMultipleOf100()
+    }
+}

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

@@ -0,0 +1,9 @@
+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/viewModel/MainActivity.kt

@@ -1,4 +1,4 @@
-package me.zobrist.tichucounter
+package me.zobrist.tichucounter.viewModel
 
 import android.app.AlertDialog
 import android.content.Intent
@@ -14,24 +14,30 @@ import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.os.LocaleListCompat
 import androidx.core.widget.doOnTextChanged
 import com.google.gson.Gson
+import dagger.hilt.android.AndroidEntryPoint
+import me.zobrist.tichucounter.R
 import me.zobrist.tichucounter.databinding.ActivityMainBinding
+import me.zobrist.tichucounter.domain.History
+import me.zobrist.tichucounter.domain.Round
 import java.util.*
+import javax.inject.Inject
 
-class MainActivity : AppCompatActivity()
-{
+@AndroidEntryPoint
+class MainActivity : AppCompatActivity() {
 
     private var updateOnChange: Boolean = true
 
-    private lateinit var history: History
-    private var currentRound=Round()
+    @Inject
+    lateinit var history: History
+    lateinit var currentRound: Round
+
     private var systemLocale = Locale.getDefault()
 
 
     private lateinit var binding: ActivityMainBinding
 
 
-    override fun onCreate(savedInstanceState: Bundle?)
-    {
+    override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
@@ -60,105 +66,76 @@ class MainActivity : AppCompatActivity()
         )
         updateView()
 
-        this.setListenes()
+        this.setListeners()
 
 
     }
 
-    private fun setListenes()
-    {
+    private fun setListeners() {
         binding.contentMain.inputTeamA.setOnFocusChangeListener { _, b ->
-            if (b)
-            {
+            if (b) {
                 hideKeyboard()
             }
         }
 
         binding.contentMain.inputTeamB.setOnFocusChangeListener { _, b ->
-            if (b)
-            {
+            if (b) {
                 hideKeyboard()
             }
         }
 
         binding.contentMain.inputTeamA.doOnTextChanged { text, _, _, _ ->
-            if (binding.contentMain.inputTeamA.isFocused)
-            {
-                if (binding.contentMain.inputTeamA.text.isNotEmpty())
-                {
-                    if (updateOnChange)
-                    {
-                        currentRound=try
-                        {
+            if (binding.contentMain.inputTeamA.isFocused) {
+                if (binding.contentMain.inputTeamA.text.isNotEmpty()) {
+                    if (updateOnChange) {
+                        currentRound = try {
                             Round(text.toString().toInt(), true)
 
-                        }
-                        catch (e: java.lang.Exception)
-                        {
+                        } catch (e: java.lang.Exception) {
                             Round(1, 1)
                         }
                         binding.contentMain.inputTeamB.setText(currentRound.scoreB.toString())
-                    }
-                    else
-                    {
+                    } else {
                         updateOnChange = true
                     }
-                }
-                else
-                {
+                } else {
                     binding.contentMain.inputTeamA.text.clear()
                     binding.contentMain.inputTeamB.text.clear()
                 }
             }
 
-            if (currentRound.isValidRound() && binding.contentMain.inputTeamA.text.isNotEmpty() && binding.contentMain.inputTeamB.text.isNotEmpty())
-            {
+            if (currentRound.isValidRound() && binding.contentMain.inputTeamA.text.isNotEmpty() && binding.contentMain.inputTeamB.text.isNotEmpty()) {
                 enableSubmitButton()
-            }
-            else
-            {
+            } else {
                 disableSubmitButton()
             }
         }
 
         binding.contentMain.inputTeamB.doOnTextChanged { text, _, _, _ ->
-            if (binding.contentMain.inputTeamB.isFocused)
-            {
-                if (binding.contentMain.inputTeamB.text.isNotEmpty())
-                {
-                    if (updateOnChange)
-                    {
-                        currentRound=try
-                        {
+            if (binding.contentMain.inputTeamB.isFocused) {
+                if (binding.contentMain.inputTeamB.text.isNotEmpty()) {
+                    if (updateOnChange) {
+                        currentRound = try {
                             Round(text.toString().toInt(), false)
 
-                        }
-                        catch (e: java.lang.Exception)
-                        {
+                        } catch (e: java.lang.Exception) {
                             Round(1, 1)
                         }
                         binding.contentMain.inputTeamA.setText(currentRound.scoreA.toString())
 
-                    }
-                    else
-                    {
+                    } else {
                         updateOnChange = true
                     }
 
-                }
-                else
-                {
+                } else {
                     binding.contentMain.inputTeamA.text.clear()
                     binding.contentMain.inputTeamB.text.clear()
                 }
             }
 
-            if (currentRound.isValidRound() && binding.contentMain.inputTeamA.text.isNotEmpty() && binding.contentMain.inputTeamB.text.isNotEmpty())
-            {
+            if (currentRound.isValidRound() && binding.contentMain.inputTeamA.text.isNotEmpty() && binding.contentMain.inputTeamB.text.isNotEmpty()) {
                 enableSubmitButton()
-            }
-            else
-            {
+            } else {
                 disableSubmitButton()
             }
         }
@@ -166,15 +143,11 @@ class MainActivity : AppCompatActivity()
         binding.contentMain.buttonAdd100.setOnClickListener {
             giveFocusToAIfNone()
 
-            if (binding.contentMain.inputTeamA.isFocused)
-            {
+            if (binding.contentMain.inputTeamA.isFocused) {
 
-                currentRound.scoreA=try
-                {
+                currentRound.scoreA = try {
                     binding.contentMain.inputTeamA.text.toString().toInt() + 100
-                }
-                catch (e: Exception)
-                {
+                } catch (e: Exception) {
                     currentRound.scoreB = 0
                     binding.contentMain.inputTeamB.setText(currentRound.scoreB.toString())
                     100
@@ -183,14 +156,10 @@ class MainActivity : AppCompatActivity()
                 binding.contentMain.inputTeamA.setText(currentRound.scoreA.toString())
             }
 
-            if (binding.contentMain.inputTeamB.isFocused)
-            {
-                currentRound.scoreB=try
-                {
+            if (binding.contentMain.inputTeamB.isFocused) {
+                currentRound.scoreB = try {
                     binding.contentMain.inputTeamB.text.toString().toInt() + 100
-                }
-                catch (e: Exception)
-                {
+                } catch (e: Exception) {
                     currentRound.scoreA = 0
                     binding.contentMain.inputTeamA.setText(currentRound.scoreA.toString())
                     100
@@ -205,14 +174,10 @@ class MainActivity : AppCompatActivity()
         binding.contentMain.buttonSub100.setOnClickListener {
             giveFocusToAIfNone()
 
-            if (binding.contentMain.inputTeamA.isFocused)
-            {
-                currentRound.scoreA=try
-                {
+            if (binding.contentMain.inputTeamA.isFocused) {
+                currentRound.scoreA = try {
                     binding.contentMain.inputTeamA.text.toString().toInt() - 100
-                }
-                catch (e: Exception)
-                {
+                } catch (e: Exception) {
                     currentRound.scoreB = 0
                     binding.contentMain.inputTeamB.setText(currentRound.scoreB.toString())
                     -100
@@ -221,14 +186,10 @@ class MainActivity : AppCompatActivity()
                 binding.contentMain.inputTeamA.setText(currentRound.scoreA.toString())
             }
 
-            if (binding.contentMain.inputTeamB.isFocused)
-            {
-                currentRound.scoreB=try
-                {
+            if (binding.contentMain.inputTeamB.isFocused) {
+                currentRound.scoreB = try {
                     binding.contentMain.inputTeamB.text.toString().toInt() - 100
-                }
-                catch (e: Exception)
-                {
+                } catch (e: Exception) {
                     currentRound.scoreA = 0
                     binding.contentMain.inputTeamA.setText(currentRound.scoreA.toString())
                     -100
@@ -293,39 +254,26 @@ class MainActivity : AppCompatActivity()
 
             giveFocusToAIfNone()
 
-            if (binding.contentMain.inputTeamA.isFocused)
-            {
-                if (binding.contentMain.inputTeamA.text.toString().equals("-"))
-                {
+            if (binding.contentMain.inputTeamA.isFocused) {
+                if (binding.contentMain.inputTeamA.text.toString() == "-") {
                     binding.contentMain.inputTeamA.text.clear()
-                }
-                else if (binding.contentMain.inputTeamA.text.isNotEmpty())
-                {
+                } else if (binding.contentMain.inputTeamA.text.isNotEmpty()) {
                     tempInt = binding.contentMain.inputTeamA.text.toString().toInt() * -1
                     binding.contentMain.inputTeamA.setText(tempInt.toString())
-                }
-                else
-                {
+                } else {
                     updateOnChange = false
                     appendToFocusedInput('-')
                     currentRound = Round(1, 1)
                 }
 
 
-            }
-            else if (binding.contentMain.inputTeamB.isFocused)
-            {
-                if (binding.contentMain.inputTeamB.text.toString().equals("-"))
-                {
+            } else if (binding.contentMain.inputTeamB.isFocused) {
+                if (binding.contentMain.inputTeamB.text.toString() == "-") {
                     binding.contentMain.inputTeamB.text.clear()
-                }
-                else if (binding.contentMain.inputTeamB.text.isNotEmpty())
-                {
+                } else if (binding.contentMain.inputTeamB.text.isNotEmpty()) {
                     tempInt = binding.contentMain.inputTeamB.text.toString().toInt() * -1
                     binding.contentMain.inputTeamB.setText(tempInt.toString())
-                }
-                else
-                {
+                } else {
                     updateOnChange = false
                     appendToFocusedInput('-')
                     currentRound = Round(1, 1)
@@ -336,19 +284,14 @@ class MainActivity : AppCompatActivity()
         binding.contentMain.buttonBack.setOnClickListener {
             giveFocusToAIfNone()
 
-            if (binding.contentMain.inputTeamA.isFocused)
-            {
-                if (binding.contentMain.inputTeamA.text.isNotEmpty())
-                {
+            if (binding.contentMain.inputTeamA.isFocused) {
+                if (binding.contentMain.inputTeamA.text.isNotEmpty()) {
                     val string = binding.contentMain.inputTeamA.text.toString()
                     binding.contentMain.inputTeamA.setText(string.substring(0, string.length - 1))
                 }
 
-            }
-            else if (binding.contentMain.inputTeamB.isFocused)
-            {
-                if (binding.contentMain.inputTeamB.text.isNotEmpty())
-                {
+            } else if (binding.contentMain.inputTeamB.isFocused) {
+                if (binding.contentMain.inputTeamB.text.isNotEmpty()) {
                     val string = binding.contentMain.inputTeamB.text.toString()
                     binding.contentMain.inputTeamB.setText(string.substring(0, string.length - 1))
                 }
@@ -358,8 +301,7 @@ class MainActivity : AppCompatActivity()
         binding.contentMain.submit.setOnClickListener {
             giveFocusToAIfNone()
 
-            if (binding.contentMain.inputTeamA.text.isNotEmpty() && binding.contentMain.inputTeamB.text.isNotEmpty())
-            {
+            if (binding.contentMain.inputTeamA.text.isNotEmpty() && binding.contentMain.inputTeamB.text.isNotEmpty()) {
 
                 history.logRound(
                     Round(
@@ -379,8 +321,7 @@ class MainActivity : AppCompatActivity()
         }
     }
 
-    override fun onSaveInstanceState(outState: Bundle)
-    {
+    override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
 
         val prefs = this.getSharedPreferences("Settings", MODE_PRIVATE).edit()
@@ -391,8 +332,7 @@ class MainActivity : AppCompatActivity()
 
     }
 
-    override fun onCreateOptionsMenu(menu: Menu): Boolean
-    {
+    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)
 
@@ -403,12 +343,9 @@ class MainActivity : AppCompatActivity()
     }
 
 
-    override fun onOptionsItemSelected(item: MenuItem): Boolean
-    {
-        return when (item.itemId)
-        {
-            R.id.action_clear ->
-            {
+    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)
@@ -424,23 +361,19 @@ class MainActivity : AppCompatActivity()
                 builder.create().show()
                 true
             }
-            R.id.action_undo ->
-            {
+            R.id.action_undo -> {
                 undoLastRound()
                 true
             }
-            R.id.action_theme ->
-            {
+            R.id.action_theme -> {
                 chooseThemeDialog()
                 true
             }
-            R.id.action_language ->
-            {
+            R.id.action_language -> {
                 chooseLanguageDialog()
                 true
             }
-            R.id.action_screenOn ->
-            {
+            R.id.action_screenOn -> {
                 item.isChecked = !item.isChecked
                 keepScreenOn(item.isChecked)
                 true
@@ -449,29 +382,24 @@ class MainActivity : AppCompatActivity()
         }
     }
 
-    private fun hideKeyboard()
-    {
+    private fun hideKeyboard() {
         val imm: InputMethodManager =
             getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
         imm.hideSoftInputFromWindow(currentFocus!!.windowToken, 0)
     }
 
-    private fun giveFocusToAIfNone()
-    {
-        if (!binding.contentMain.inputTeamA.isFocused && !binding.contentMain.inputTeamB.isFocused)
-        {
+    private fun giveFocusToAIfNone() {
+        if (!binding.contentMain.inputTeamA.isFocused && !binding.contentMain.inputTeamB.isFocused) {
             binding.contentMain.inputTeamA.requestFocus()
         }
     }
 
-    private fun undoLastRound()
-    {
+    private fun undoLastRound() {
         history.revertLastRound()
         updateView()
     }
 
-    private fun updateView()
-    {
+    private fun updateView() {
         binding.contentMain.scoreA.text = history.getScoreA().toString()
         binding.contentMain.scoreB.text = history.getScoreB().toString()
 
@@ -479,8 +407,7 @@ class MainActivity : AppCompatActivity()
         binding.contentMain.historyB.text = history.getHistoryB()
     }
 
-    private fun clearAll()
-    {
+    private fun clearAll() {
         binding.contentMain.historyA.text = ""
         binding.contentMain.historyB.text = ""
         binding.contentMain.inputTeamA.text.clear()
@@ -491,32 +418,25 @@ class MainActivity : AppCompatActivity()
         history.clearAll()
     }
 
-    private fun appendToFocusedInput(toAppend: Char)
-    {
-        if (binding.contentMain.inputTeamA.isFocused)
-        {
+    private fun appendToFocusedInput(toAppend: Char) {
+        if (binding.contentMain.inputTeamA.isFocused) {
             binding.contentMain.inputTeamA.text.append(toAppend)
-        }
-        else if (binding.contentMain.inputTeamB.isFocused)
-        {
+        } else if (binding.contentMain.inputTeamB.isFocused) {
             binding.contentMain.inputTeamB.text.append(toAppend)
         }
     }
 
-    private fun enableSubmitButton()
-    {
+    private fun enableSubmitButton() {
         binding.contentMain.submit.imageAlpha = 255 // 0 being transparent and 255 being opaque
         binding.contentMain.submit.isEnabled = true
     }
 
-    private fun disableSubmitButton()
-    {
+    private fun disableSubmitButton() {
         binding.contentMain.submit.imageAlpha = 60 // 0 being transparent and 255 being opaque
         binding.contentMain.submit.isEnabled = false
     }
 
-    private fun chooseThemeDialog()
-    {
+    private fun chooseThemeDialog() {
 
         val builder = AlertDialog.Builder(this)
         builder.setTitle(getString(R.string.choose_theme_text))
@@ -546,32 +466,30 @@ class MainActivity : AppCompatActivity()
         dialog.show()
     }
 
-    private fun chooseLanguageDialog()
-    {
+    private fun chooseLanguageDialog() {
 
         val builder = AlertDialog.Builder(this)
         builder.setTitle(getString(R.string.choose_language_text))
 
-        val languages_map=mapOf(
+        val languagesMap = mapOf(
             getString(R.string.english) to "en",
             getString(R.string.german) to "de"
         )
 
-        val languages_display_keys=languages_map.keys.toTypedArray()
-        val languages_display_values=languages_map.values.toTypedArray()
+        val languagesDisplayKeys = languagesMap.keys.toTypedArray()
+        val languagesDisplayValues = languagesMap.values.toTypedArray()
 
         val checkedItem = AppCompatDelegate.getApplicationLocales()[0].toString()
-        var checkedItemIndex=languages_display_values.indexOf(checkedItem)
+        var checkedItemIndex = languagesDisplayValues.indexOf(checkedItem)
 
-        if (checkedItemIndex == -1)
-        {
+        if (checkedItemIndex == -1) {
             checkedItemIndex = 0
         }
 
-        builder.setSingleChoiceItems(languages_display_keys , checkedItemIndex) { dialog , which ->
+        builder.setSingleChoiceItems(languagesDisplayKeys, checkedItemIndex) { dialog, which ->
 
             val newLocale =
-                LocaleListCompat.forLanguageTags(languages_map[languages_display_keys[which]])
+                LocaleListCompat.forLanguageTags(languagesMap[languagesDisplayKeys[which]])
 
             AppCompatDelegate.setApplicationLocales(newLocale)
 
@@ -585,10 +503,8 @@ class MainActivity : AppCompatActivity()
         dialog.show()
     }
 
-    private fun updateTheme(which: Int)
-    {
-        when (which)
-        {
+    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)
@@ -596,14 +512,10 @@ class MainActivity : AppCompatActivity()
         delegate.applyDayNight()
     }
 
-    private fun keepScreenOn(keepOn: Boolean)
-    {
-        if (keepOn)
-        {
+    private fun keepScreenOn(keepOn: Boolean) {
+        if (keepOn) {
             window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
-        }
-        else
-        {
+        } else {
             window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         }
 

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

@@ -269,12 +269,12 @@
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
                 android:layout_weight="1"
+                android:contentDescription="TODO"
                 android:cropToPadding="false"
                 android:paddingTop="15dp"
                 android:paddingBottom="15dp"
                 android:scaleType="fitCenter"
-                app:srcCompat="@drawable/back"
-                android:contentDescription="TODO" />
+                app:srcCompat="@drawable/back" />
 
         </LinearLayout>
 
@@ -312,9 +312,9 @@
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
                 android:layout_weight="1.0"
+                android:contentDescription="TODO"
                 android:scaleType="fitCenter"
-                app:srcCompat="@drawable/checkmark"
-                android:contentDescription="TODO" />
+                app:srcCompat="@drawable/checkmark" />
         </LinearLayout>
     </LinearLayout>
 

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

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".viewModel.MainActivity">
 
     <com.google.android.material.appbar.AppBarLayout
         android:layout_width="match_parent"

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

@@ -285,12 +285,12 @@
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_weight="1"
+            android:contentDescription="@string/back"
             android:cropToPadding="false"
             android:paddingTop="15dp"
             android:paddingBottom="15dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/back"
-            android:contentDescription="@string/back" />
+            app:srcCompat="@drawable/back" />
 
     </LinearLayout>
 
@@ -331,8 +331,8 @@
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_weight="1.0"
+            android:contentDescription="TODO"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/checkmark"
-            android:contentDescription="TODO" />
+            app:srcCompat="@drawable/checkmark" />
     </LinearLayout>
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,7 +1,7 @@
 <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">
+    tools:context="me.zobrist.tichucounter.viewModel.MainActivity">
     <item
         android:id="@+id/action_undo"
         android:icon="@android:drawable/ic_menu_revert"

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

@@ -1,5 +1,7 @@
 package me.zobrist.tichucounter
 
+import me.zobrist.tichucounter.domain.History
+import me.zobrist.tichucounter.domain.Round
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertNotEquals
 import org.junit.Test
@@ -9,11 +11,9 @@ import org.junit.Test
  *
  * See [testing documentation](http://d.android.com/tools/testing).
  */
-class HistoryUnitTest
-{
+class HistoryUnitTest {
     @Test
-    fun calculation_isCorrect()
-    {
+    fun calculation_isCorrect() {
         val history = History()
 
         history.revertLastRound()

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

@@ -1,5 +1,6 @@
 package me.zobrist.tichucounter
 
+import me.zobrist.tichucounter.domain.Round
 import org.junit.Assert.*
 import org.junit.Test
 
@@ -8,19 +9,16 @@ import org.junit.Test
  *
  * See [testing documentation](http://d.android.com/tools/testing).
  */
-class RoundUnitTest
-{
+class RoundUnitTest {
     @Test
-    fun calculation_isCorrect()
-    {
+    fun calculation_isCorrect() {
 
         var inputScoreA = 125
         var inputScoreB = -25
         var temp: Round
 
         // Normal round range -25 to 125 as input
-        while (inputScoreB <= 125)
-        {
+        while (inputScoreB <= 125) {
             temp = Round(inputScoreA, true)
             assertEquals(inputScoreB, temp.scoreB)
             assertTrue(temp.isValidRound())

build.gradle

@@ -14,6 +14,10 @@ buildscript {
     }
 }
 
+plugins {
+    id 'com.google.dagger.hilt.android' version '2.44' apply false
+}
+
 allprojects {
     repositories {
         google()