Colors.transparent will deny any effects, simply it is transparent so it will appear as nothing happens… in ButtonStyle, it goes something like this with colors. ButtonStyle( overlayColor: MaterialStateColor.resolveWith((states) => Colors.red), ),
Try the code bellow. No size adjustment for the error text, only the field border in red. TextFormField( decoration: InputDecoration( errorStyle: TextStyle(height: 0), ), );
You can wrap your IconButton in a Transform widget using the rotate constructor: import ‘dart:math’ as math; Transform.rotate( angle: 180 * math.pi / 180, child: IconButton( icon: Icon( Icons.details, color: Colors.white, ), onPressed: null, ), ),
You will solve using Expanded widget. Expanded( child: Align( alignment: FractionalOffset.bottomCenter, child: MaterialButton( onPressed: () => {}, child: Text(_register ? ‘REGISTER’ : ‘LOGIN’), ), ), ),
You can wrap it in a Theme widget and do like this: Theme( data: ThemeData().copyWith(dividerColor: Colors.transparent), child: ExpansionTile( or if you’re using custom theme settings, you can use Theme.of(context) instead of ThemeData() like this: Theme( data: Theme.of(context).copyWith(dividerColor: Colors.transparent), child: ExpansionTile(
None of the given answers worked for me and I figured out something very important: you have to add the property extendBody: true If true, and bottomNavigationBar or persistentFooterButtons is specified, then the body extends to the bottom of the Scaffold, instead of only extending to the top of the bottomNavigationBar or the persistentFooterButtons. This … Read more
If you see the black window background of the activity showing until Flutter renders its first frame, add this on your AndroidManifest, between < activity> … < /activity> <meta-data android:name=”io.flutter.embedding.android.SplashScreenDrawable” android:resource=”@drawable/launch_background” />
Full example (null safe): Press “go” makes the star icon spin until you press “stop”. import ‘package:flutter/material.dart’; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: MyHomePage(), ); } } class MyHomePage extends StatefulWidget { @override _MyHomePageState createState() => _MyHomePageState(); } class _MyHomePageState extends State<MyHomePage> with SingleTickerProviderStateMixin … Read more