Created
August 23, 2024 05:00
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| package la.devpicon.android.composenavigationapplication | |
| import androidx.compose.runtime.Composable | |
| import androidx.compose.runtime.collectAsState | |
| import androidx.compose.runtime.getValue | |
| import androidx.compose.ui.Modifier | |
| import androidx.lifecycle.ViewModel | |
| import kotlinx.coroutines.flow.MutableStateFlow | |
| import kotlinx.coroutines.flow.asStateFlow | |
| @Composable | |
| fun Stateful( | |
| viewModel: MyViewModel, | |
| modifier: Modifier = Modifier | |
| ) { | |
| val state by viewModel.viewState.collectAsState() | |
| Stateless( | |
| state = state, | |
| onClick = viewModel::updateName | |
| ) | |
| } | |
| @Composable | |
| fun Stateless( | |
| state: MyState, | |
| onClick: () -> Unit, | |
| modifier: Modifier = Modifier, | |
| ) { | |
| } | |
| class MyViewModel() : BaseViewModel<MyState, MyEvent, MyEffect>() { | |
| override fun getInitialState(): MyState { | |
| return MyState(name = "default") | |
| } | |
| fun updateName() { | |
| TODO("Not yet implemented") | |
| } | |
| } | |
| abstract class BaseViewModel<STATE : UiState, in EVENT : UiEvent, EFFECT : UiEffect> : ViewModel() { | |
| private val _viewState = MutableStateFlow<STATE>(getInitialState()) | |
| val viewState = _viewState.asStateFlow() | |
| abstract fun getInitialState(): STATE | |
| } | |
| data class MyState( | |
| val name: String | |
| ) : UiState | |
| sealed class MyEvent : UiEvent | |
| sealed class MyEffect : UiEffect | |
| interface UiState | |
| interface UiEvent | |
| interface UiEffect |
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