Dart / Flutter things
Snippet
Posted by kitt at 09:25 on 19 June 2018
(not so dumpy) Dump of things that I've needed to look up recently for Dart / Flutter work
// Use assert to display messages when running in debug mode, as assert runs only when in Debug mode // https://stackoverflow.com/questions/49707028/check-if-running-app-is-in-debug-mode // note the () at the end, and return a boolean assert(() { if (something == null || somethingElse == null) { throw new FlutterError( 'Something or other went wrong\n' 'And should probably be fixed.' ); } return true; }()); // setting the colors of a bottom navigation bar // https://stackoverflow.com/questions/49927929/flutter-bottomnavigationbar-colors bottomNavigationBar: new BottomNavigationBar( // this is the needed part to control the colors type: BottomNavigationBarType.fixed, // this is the icon color, defaults to the ThemeData.primaryColor fixedColor: Colors.orange, items: [ new BottomNavigationBarItem( icon: new Icon(Icons.home), title: new Text("home") ), ]
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