WebMar 7, 2010 · Flutter; dart:core; bool class; bool. brightness_4 ... (String name, {bool defaultValue = false}) Returns the boolean value of the environment declaration name. const. factory. bool.hasEnvironment (String name) Whether there is an environment declaration name ... Returns either "true" for true and "false" for false. override. … WebAug 29, 2024 · As mentioned Future is about callbacks where your code (the function you pass to aFuture.then(...)) is called when the result of the async execution becomes available eventually.If you use async this is a sign for Dart that this code makes use of the simplified async syntax that uses for example await at that it needs to rewrite this code to the …
dart - Flutter: return int variable from future function is stateless ...
WebMar 7, 2010 · Flutter; dart:core; bool class; dart:core library. Classes; BidirectionalIterator; BigInt; bool; Comparable; DateTime; Deprecated; double; Duration; Enum; Expando; … WebApr 25, 2024 · I added some iOs and Android native code to Flutter application. Function that is natively called returns a boolean value as: Future get isOn => _channel.invokeMethod('isOn').then((d) => d); On Android everything works correctly. In the method call handler of the channel I return a boolean as: find a grave robert e lee
Flutter how to get a Future to a normal bool type
WebAug 13, 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams WebJul 5, 2024 · first.dart class MainScreen extends StatefulWidget { bool isVisible = true; MainScreen ( {this.isVisible}); } Navigator.push (context,MaterialPageRoute (builder: (context) => Second (data: isVisible))); second.dart class Second extends StatefulWidget { final String data; MyPosts ( {this.data}); } you can use as widget.data Share WebMay 7, 2024 · you don't need to convert bool into future, as you are in async method it will return future only. you can get that value in initstate, you can not get value outside any method. bool _isInChat; @override void initState () { super.initState (); CheckIfOnAnyChats ().then ( (value) { SetState ( () { _isInChat = value; }); }); } Share findagrave reviews