components/u_async library

Classes

UAsyncBuilder<T>

Loads data once and shows loading / error+retry / empty / data by itself. UAsyncBuilder<List<User>>(load: api.users, builder: (context, users) => UserList(users))

UAsyncBuilderState<T>

State of UAsyncBuilder; reach it with a GlobalKey to call reload(). key.currentState?.reload()

UOfflineBanner

Shows a slim "No internet" bar above child while offline. UOfflineBanner(child: HomePage())

UOnlineBuilder

Rebuilds with the online/offline state. UOnlineBuilder(builder: (context, online) => online ? Feed() : OfflinePage())

UPaginatedList<T>

Infinite-scroll list: loads page 1, then the next page near the end, with pull-to-refresh. UPaginatedList<Post>(fetch: (page) => api.posts(page), itemBuilder: (c, p, i) => PostTile(p))

UPaginatedListState<T>

State of UPaginatedList; reach it with a GlobalKey to call refresh(). key.currentState?.refresh()

UStreamView<T>

Listens to a stream and shows loading / error / data. UStreamView<int>(stream: counter, builder: (context, v) => Text("$v"))