Viewmodel:
Код: Выделить всё
@HiltViewModel
class TodoListViewModel @Inject constructor(
private val repository: ToDoRepository
): ViewModel() {
val todos = repository.getToDos()
private val _uiEvent = Channel()
val uiEvent = _uiEvent.receiveAsFlow()
private var deletedTodo: ToDo? = null
fun onEvent(event: ToDoListEvent) {
when(event) {
is ToDoListEvent.OnToDoClick -> {
sendUiEvent(UIEvent.Navigate(Routes.ADD_EDIT_TODO + "?todoId=${event.toDo.id}"))
}
is ToDoListEvent.OnAddToDoClick -> {
sendUiEvent(UIEvent.Navigate(Routes.ADD_EDIT_TODO))
}
is ToDoListEvent.OnUndoDeleteClick -> {
deletedTodo?.let { todo ->
viewModelScope.launch {
repository.insertToDo(todo)
}
}
}
is ToDoListEvent.OnDeleteToDoClick -> {
viewModelScope.launch {
deletedTodo = event.toDo
repository.deleteToDo(event.toDo)
sendUiEvent(UIEvent.ShowSnackBar(
message = "Todo deleted",
action = "Undo"
))
}
}
is ToDoListEvent.OnDoneChange -> {
viewModelScope.launch {
repository.insertToDo(
event.toDo.copy(
isDone = event.isDone
)
)
}
}
}
}
private fun sendUiEvent(event: UIEvent) {
viewModelScope.launch {
_uiEvent.send(event)
}
}
}
Код: Выделить всё
@HiltAndroidApp
class ToDoApp : Application()
Код: Выделить всё
@AndroidEntryPoint
class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
enableEdgeToEdge()
setContent {
ToDoListAppTheme {
ToDoListScreen()
}
}
}
}
Код: Выделить всё
@SuppressLint("UnusedMaterial3ScaffoldPaddingParameter")
@OptIn(ExperimentalMaterial3Api::class)
@Composable
fun ToDoListScreen(
viewModel: TodoListViewModel = hiltViewModel()
) {
val todos = viewModel.todos.collectAsState(initial = emptyList())
val scaffoldState = rememberBottomSheetScaffoldState()
LaunchedEffect(key1 = true) {
viewModel.uiEvent.collect { event ->
when (event) {
is UIEvent.Navigate -> {}
is UIEvent.ShowSnackBar -> {
val result = scaffoldState.snackbarHostState.showSnackbar(
message = event.message,
actionLabel = event.action
)
if (result == SnackbarResult.ActionPerformed) {
viewModel.onEvent(ToDoListEvent.OnUndoDeleteClick)
}
}
else -> Unit
}
}
}
Scaffold (
floatingActionButton = {
FloatingActionButton(
onClick = {viewModel.onEvent(ToDoListEvent.OnAddToDoClick)}
) {
Image(
painter = painterResource(R.drawable.ic_add),
contentDescription = "Add"
)
}
}
) {
LazyColumn (
modifier = Modifier.fillMaxSize()
) {
items(todos.value) { todo ->
ToDoItem(
toDo = todo,
onEvent = viewModel::onEvent,
modifier = Modifier
.fillMaxSize()
.clickable {
viewModel.onEvent(ToDoListEvent.OnToDoClick(todo))
}
.padding(16.dp)
)
}
}
}
}
Уровень Moudle build.gradle.kts:
Код: Выделить всё
plugins {
alias(libs.plugins.android.application)
alias(libs.plugins.jetbrains.kotlin.android)
id("com.google.devtools.ksp") version "1.9.0-1.0.13"
}
android {
namespace = "me.huynhducphu.todolistapp"
compileSdk = 34
defaultConfig {
applicationId = "me.huynhducphu.todolistapp"
minSdk = 24
targetSdk = 34
versionCode = 1
versionName = "1.0"
testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
vectorDrawables {
useSupportLibrary = true
}
}
buildTypes {
release {
isMinifyEnabled = false
proguardFiles(
getDefaultProguardFile("proguard-android-optimize.txt"),
"proguard-rules.pro"
)
}
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = "1.8"
}
buildFeatures {
compose = true
}
composeOptions {
kotlinCompilerExtensionVersion = "1.5.1"
}
packaging {
resources {
excludes += "/META-INF/{AL2.0,LGPL2.1}"
}
}
}
dependencies {
implementation(libs.androidx.navigation.compose)
implementation(libs.androidx.lifecycle.viewmodel.compose)
implementation(libs.androidx.room.runtime)
annotationProcessor(libs.androidx.room.compiler)
ksp(libs.androidx.room.compiler)
implementation(libs.androidx.room.ktx)
implementation (libs.hilt.android)
annotationProcessor(libs.hilt.compiler)
implementation(libs.androidx.hilt.lifecycle.viewmodel)
ksp(libs.androidx.hilt.compiler)
implementation(libs.androidx.hilt.navigation.compose)
implementation(libs.androidx.core.ktx)
implementation(libs.androidx.lifecycle.runtime.ktx)
implementation(libs.androidx.activity.compose)
implementation(platform(libs.androidx.compose.bom))
implementation(libs.androidx.ui)
implementation(libs.androidx.ui.graphics)
implementation(libs.androidx.ui.tooling.preview)
implementation(libs.androidx.material3)
testImplementation(libs.junit)
androidTestImplementation(libs.androidx.junit)
androidTestImplementation(libs.androidx.espresso.core)
androidTestImplementation(platform(libs.androidx.compose.bom))
androidTestImplementation(libs.androidx.ui.test.junit4)
debugImplementation(libs.androidx.ui.tooling)
debugImplementation(libs.androidx.ui.test.manifest)
}
Код: Выделить всё
[versions]
agp = "8.6.0-alpha03"
daggerCompiler = "2.51.1"
hiltCompiler = "1.2.0"
hiltLifecycleViewmodel = "1.0.0-alpha03"
javapoet = "1.13.0"
kotlin = "1.9.0"
coreKtx = "1.13.1"
junit = "4.13.2"
junitVersion = "1.1.5"
espressoCore = "3.5.1"
lifecycleRuntimeKtx = "2.8.1"
activityCompose = "1.9.0"
composeBom = "2024.04.01"
lifecycleViewmodelCompose = "2.8.2"
navigationCompose = "2.7.7"
roomRuntime = "2.6.1"
[libraries]
androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
androidx-hilt-compiler = { module = "androidx.hilt:hilt-compiler", version.ref = "hiltCompiler" }
androidx-hilt-lifecycle-viewmodel = { module = "androidx.hilt:hilt-lifecycle-viewmodel", version.ref = "hiltLifecycleViewmodel" }
androidx-hilt-navigation-compose = { module = "androidx.hilt:hilt-navigation-compose", version.ref = "hiltCompiler" }
androidx-lifecycle-viewmodel-compose = { module = "androidx.lifecycle:lifecycle-viewmodel-compose", version.ref = "lifecycleViewmodelCompose" }
androidx-navigation-compose = { module = "androidx.navigation:navigation-compose", version.ref = "navigationCompose" }
androidx-room-compiler = { module = "androidx.room:room-compiler", version.ref = "roomRuntime" }
androidx-room-ktx = { module = "androidx.room:room-ktx", version.ref = "roomRuntime" }
androidx-room-runtime = { module = "androidx.room:room-runtime", version.ref = "roomRuntime" }
dagger-compiler = { module = "com.google.dagger:dagger-compiler", version.ref = "daggerCompiler" }
hilt-android = { module = "com.google.dagger:hilt-android", version.ref = "daggerCompiler" }
hilt-android-compiler = { module = "com.google.dagger:hilt-android-compiler", version.ref = "daggerCompiler" }
hilt-compiler = { module = "com.google.dagger:hilt-compiler", version.ref = "daggerCompiler" }
javapoet = { module = "com.squareup:javapoet", version.ref = "javapoet" }
junit = { group = "junit", name = "junit", version.ref = "junit" }
androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
androidx-ui = { group = "androidx.compose.ui", name = "ui" }
androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
[plugins]
android-application = { id = "com.android.application", version.ref = "agp" }
jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
Код: Выделить всё
FATAL EXCEPTION: main (Ask Gemini)
Process: me.huynhducphu.todolistapp, PID: 19683
java.lang.IllegalStateException: Given component holder class me.huynhducphu.todolistapp.MainActivity does not implement interface dagger.hilt.internal.GeneratedComponent or interface dagger.hilt.internal.GeneratedComponentManager
at dagger.hilt.EntryPoints.get(EntryPoints.java:62)
at dagger.hilt.android.internal.lifecycle.HiltViewModelFactory.createInternal(HiltViewModelFactory.java:206)
at androidx.hilt.navigation.HiltViewModelFactory.create(HiltNavBackStackEntry.kt:75)
at androidx.hilt.navigation.compose.HiltViewModelKt.createHiltViewModelFactory(HiltViewModel.kt:95)
at me.huynhducphu.todolistapp.ui.todo_list.ToDoListScreenKt.ToDoListScreen(ToDoListScreen.kt:88)
...
Подробнее здесь: https://stackoverflow.com/questions/786 ... rnal-gener