Demo
类库引用
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repositories { mavenCentral() } dependencies { implementation "com.google.accompanist:accompanist-swiperefresh:<version>" } |
用法
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class MyViewModel : ViewModel() { private val _isRefreshing = MutableStateFlow(false) val isRefreshing: StateFlow<Boolean> get() = _isRefreshing.asStateFlow() fun refresh() { viewModelScope.launch { // 延迟2秒 _isRefreshing.emit(true) delay(2000) _isRefreshing.emit(false) } } } @Composable fun SwipeRefreshSample() { val viewModel: MyViewModel = viewModel() val isRefreshing by viewModel.isRefreshing.collectAsState() SwipeRefresh( state = rememberSwipeRefreshState(isRefreshing), onRefresh = { viewModel.refresh() }, ) { LazyColumn { items(30) { index -> // item列表 } } } } |