some values may be issued before the end of the period. In Dart, you can create a capacity that returns a Stream, which can emit some value while the asynchronous process is active. Suppose you need to construct a widget in Flutter based on a snapshot of a Stream, then there is a wi...
BlocBuilder 是一个Flutter widget,它需要一个bloc和一个builder函数,BlocBuilder用响应 的新状态构建一...
假设您需要根据一个 Stream 的快照在 Flutter 中构造一个小部件,那么有一个名为 StreamBuilder 的小部...
现在,blocMyBlocState的状态包含isProcessing以指示bloc是否正在处理,并且它还包含fooStream字段,该字段将服务的fooStream版本公开给UI层(因此有3个层:service=>bloc=>UI)。 现在的问题是,当我想在我的UI中监听这个服务流时,我不得不使用一个StreamBuilder,它本身将被包装在一个BlocBuilder中。在大型应用程序中,这...
flutter 当我们使用LongPressDraggable拖动小部件时,流数据从StreamBuilder中消失流数据(StreamBuilder)没有...
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment Assignees No one assigned Labels framework flutter/packages/flutter repository. See also f: labels. good first contribution used to mark issues that their scope is small enough for first time ...
example.dart oodavid/flutterbyPublic Notifications Fork36 Star137 oodavidTidied directory and branches Latest commit199670bon Jul 29, 2019History 1contributor 218 lines (193 sloc)5.68 KB RawBlame /// 0 - Example`Streams` Stream<MyUserModel>userStream=>FirebaseAuth...
I have simple example about toggle widget,my expectation after click button i show circularProgressIndicator then after 3 second i showing Text. For my example i use riverpod_hooks and flutter_hooks. ... Opening many text files in Python and running the same code on all of them ...
flutter 当我们使用LongPressDraggable拖动小部件时,流数据从StreamBuilder中消失流数据(StreamBuilder)没有...
Future 结束时调用State.setState以便让 Widget 重建。Flutter 流水线决定如何调用builder回调,该回调接收一个跟时间无关的、代表 Future 交互过程的 snapshot 序列 (receive a timing-dependent sub-sequence of the snapshots that represent the interaction with the future) ...