Move ui variable from viewModel to compose function. Move TopBar to separate file.

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

@@ -16,7 +16,6 @@ import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.core.os.LocaleListCompat
 import androidx.lifecycle.lifecycleScope
@@ -36,6 +35,7 @@ import me.zobrist.tichucounter.domain.*
 import me.zobrist.tichucounter.repository.GameRepository
 import me.zobrist.tichucounter.ui.AppTheme
 import me.zobrist.tichucounter.ui.MainViewModel
+import me.zobrist.tichucounter.ui.TopBar
 import me.zobrist.tichucounter.ui.counter.*
 import me.zobrist.tichucounter.ui.history.HistoryList
 import me.zobrist.tichucounter.ui.history.HistoryViewModel
@@ -120,6 +120,11 @@ class MainActivity : AppCompatActivity(), ISettingsChangeListener {
         fabAction: () -> Unit
     ) {
 
+        var topBarTitle by remember { mutableStateOf("") }
+        var topBarIcon by remember { mutableStateOf(Icons.Filled.Menu) }
+        var topBarActions by remember { mutableStateOf(emptyList<TopBarAction>()) }
+        var topBarNavigationAction by remember { mutableStateOf(NavigationAction {}) }
+
         Scaffold(
             floatingActionButton = {
                 if (showFab) {
@@ -131,10 +136,10 @@ class MainActivity : AppCompatActivity(), ISettingsChangeListener {
             },
             topBar = {
                 TopBar(
-                    mainViewModel.topBarTitle,
+                    topBarTitle,
-                    mainViewModel.topBarIcon,
+                    topBarIcon,
-                    { mainViewModel.onNavigateClicked() },
+                    { topBarNavigationAction.action() },
-                    mainViewModel.topBarActions
+                    topBarActions
                 )
             }) {
 
@@ -145,7 +150,7 @@ class MainActivity : AppCompatActivity(), ISettingsChangeListener {
             ) {
                 composable("counter") {
                     Counter(counterViewModel)
-                    mainViewModel.topBarActions = (listOf(
+                    topBarActions = (listOf(
                         TopBarAction(
                             Icons.Outlined.Undo,
                             mainViewModel.isUndoActionActive
@@ -156,9 +161,9 @@ class MainActivity : AppCompatActivity(), ISettingsChangeListener {
                         ) { mainViewModel.redoLastRound() }
 
                     ))
-                    mainViewModel.topBarIcon = Icons.Outlined.Menu
+                    topBarIcon = Icons.Outlined.Menu
-                    mainViewModel.topBarTitle = stringResource(R.string.app_name)
+                    topBarTitle = stringResource(R.string.app_name)
-                    mainViewModel.topBarNavigationAction =
+                    topBarNavigationAction =
                         NavigationAction { scope.launch { drawerState.open() } }
                 }
                 composable("history") {
@@ -171,7 +176,7 @@ class MainActivity : AppCompatActivity(), ISettingsChangeListener {
                         }
                         openDialog = false
                     }) { navController.navigate("counter") }
-                    mainViewModel.topBarActions = listOf(
+                    topBarActions = listOf(
                         TopBarAction(
                             Icons.Outlined.DeleteForever,
                             true
@@ -179,59 +184,23 @@ class MainActivity : AppCompatActivity(), ISettingsChangeListener {
                             openDialog = true
                         }
                     )
-                    mainViewModel.topBarIcon = Icons.Outlined.Menu
+                    topBarIcon = Icons.Outlined.Menu
-                    mainViewModel.topBarTitle = stringResource(R.string.menu_history)
+                    topBarTitle = stringResource(R.string.menu_history)
-                    mainViewModel.topBarNavigationAction =
+                    topBarNavigationAction =
                         NavigationAction { scope.launch { drawerState.open() } }
                 }
                 composable("settings") {
                     SettingsView(settingsViewModel)
-                    mainViewModel.topBarActions = emptyList()
+                    topBarActions = emptyList()
-                    mainViewModel.topBarIcon = Icons.Outlined.Menu
+                    topBarIcon = Icons.Outlined.Menu
-                    mainViewModel.topBarTitle = stringResource(R.string.menu_settings)
+                    topBarTitle = stringResource(R.string.menu_settings)
-                    mainViewModel.topBarNavigationAction =
+                    topBarNavigationAction =
                         NavigationAction { scope.launch { drawerState.open() } }
                 }
             }
         }
     }
 
-    @OptIn(ExperimentalMaterial3Api::class)
-    @Composable
-    private 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,
-                        )
-                    }
-                }
-            }
-        )
-    }
 
     @OptIn(ExperimentalMaterial3Api::class)
     @Composable

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

@@ -2,7 +2,6 @@ package me.zobrist.tichucounter.data.entity
 
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import me.zobrist.tichucounter.data.entity.IEntity
 import java.util.*
 
 @Entity

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

@@ -2,7 +2,6 @@ package me.zobrist.tichucounter.data.entity
 
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import me.zobrist.tichucounter.data.entity.IEntity
 
 @Entity
 data class Round(

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

@@ -6,7 +6,9 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.take
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
-import me.zobrist.tichucounter.data.*
+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.*

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

@@ -1,7 +1,5 @@
 package me.zobrist.tichucounter.ui
 
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Menu
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
@@ -11,8 +9,6 @@ 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.NavigationAction
-import me.zobrist.tichucounter.domain.TopBarAction
 import me.zobrist.tichucounter.repository.GameRepository
 import javax.inject.Inject
 
@@ -24,11 +20,7 @@ class MainViewModel @Inject constructor(
     private var redoRounds = mutableStateListOf<Round>()
     private var expectedRoundCount = 0
 
-    var topBarTitle by mutableStateOf("")
-    var topBarActions by mutableStateOf(emptyList<TopBarAction>())
-    var topBarIcon by mutableStateOf(Icons.Filled.Menu)
     var isUndoActionActive by mutableStateOf(false)
-    var topBarNavigationAction by mutableStateOf(NavigationAction {})
 
     val isRedoActionActive: Boolean
         get() = redoRounds.isNotEmpty()
@@ -51,11 +43,6 @@ class MainViewModel @Inject constructor(
         }
     }
 
-
-    fun onNavigateClicked() {
-        topBarNavigationAction.action()
-    }
-
     fun undoLastRound() {
         viewModelScope.launch {
             val round = gameRepository.getLastRound()

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

@@ -0,0 +1,44 @@
+package me.zobrist.tichucounter.ui
+
+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
+
+@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,
+                    )
+                }
+            }
+        }
+    )
+}

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

@@ -15,8 +15,8 @@ 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.entity.Game
 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 java.text.DateFormat