Join the room db with Home screen

app/src/main/java/com/example/inventory/ui/AppViewModelProvider.kt

@@ -53,7 +53,7 @@ object AppViewModelProvider {
 
         // Initializer for HomeViewModel
         initializer {
-            HomeViewModel()
+            HomeViewModel(inventoryApplication().container.itemsRepository)
         }
     }
 }

app/src/main/java/com/example/inventory/ui/home/HomeScreen.kt

@@ -39,6 +39,8 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
@@ -47,9 +49,12 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.lifecycle.viewmodel.viewModelFactory
 import com.example.inventory.InventoryTopAppBar
 import com.example.inventory.R
 import com.example.inventory.data.Item
+import com.example.inventory.ui.AppViewModelProvider
 import com.example.inventory.ui.item.formatedPrice
 import com.example.inventory.ui.navigation.NavigationDestination
 import com.example.inventory.ui.theme.InventoryTheme
@@ -67,10 +72,13 @@ object HomeDestination : NavigationDestination {
 fun HomeScreen(
     navigateToItemEntry: () -> Unit,
     navigateToItemUpdate: (Int) -> Unit,
-    modifier: Modifier = Modifier
+    modifier: Modifier = Modifier,
+    viewModel: HomeViewModel = viewModel(factory = AppViewModelProvider.Factory),
 ) {
     val scrollBehavior = TopAppBarDefaults.enterAlwaysScrollBehavior()
 
+    val homeUiState by viewModel.homeUiState.collectAsState()
+
     Scaffold(
         modifier = modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
         topBar = {
@@ -94,7 +102,7 @@ fun HomeScreen(
         },
     ) { innerPadding ->
         HomeBody(
-            itemList = listOf(),
+            itemList = homeUiState.itemList,     // listOf(),
             onItemClick = navigateToItemUpdate,
             modifier = modifier.fillMaxSize(),
             contentPadding = innerPadding,

app/src/main/java/com/example/inventory/ui/home/HomeViewModel.kt

@@ -17,12 +17,26 @@
 package com.example.inventory.ui.home
 
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import com.example.inventory.data.Item
+import com.example.inventory.data.ItemsRepository
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
 
 /**
  * ViewModel to retrieve all items in the Room database.
  */
-class HomeViewModel() : ViewModel() {
+class HomeViewModel(itemsRepository: ItemsRepository) : ViewModel() {
+    val homeUiState: StateFlow<HomeUiState> =
+        itemsRepository.getAllItemsStream()
+            .map { HomeUiState(it) }
+            .stateIn(
+                scope = viewModelScope,
+                started = SharingStarted.WhileSubscribed(TIMEOUT_MILLIS),
+                initialValue = HomeUiState()
+            )
     companion object {
         private const val TIMEOUT_MILLIS = 5_000L
     }

build.gradle.kts

@@ -22,8 +22,8 @@ buildscript {
 }
 
 plugins {
-    id("com.android.application") version "8.1.4" apply false
-    id("com.android.library") version "8.1.4" apply false
+    id("com.android.application") version "8.13.1" apply false
+    id("com.android.library") version "8.13.1" apply false
     id("org.jetbrains.kotlin.android") version "1.9.20" apply false
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Wed Aug 17 03:21:55 PDT 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME