flutter-layout

Flutter Layout Row / Column – share width, expand height

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Have a look at IntrinsicHeight; wrapping the root Row should provide the effect you’re looking for: import ‘package:flutter/material.dart’; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: ‘Flutter Demo’, theme: ThemeData( primarySwatch: Colors.blue, ), home: Scaffold( appBar: AppBar(title: Text(‘Rows & Columns’)), body: RowsAndColumns(), ), ); } } … Read more

How to create a modal bottomsheet with circular corners in Flutter?

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UPDATED ON 2019-08-05 You can now do it using the default showModalBottomSheet method that now supports adding a ShapeBorder and also backgroundColor! showModalBottomSheet( shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(10.0), ), backgroundColor: Colors.white, … ); — Instead of overriding the entire theme of the app (which caused problems in various parts of my app) as suggested by other … Read more

Flutter – Container onPressed?

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I guess you can use GestureDetector widget like this: new GestureDetector( onTap: (){ print(“Container clicked”); }, child: new Container( width: 500.0, padding: new EdgeInsets.fromLTRB(20.0, 40.0, 20.0, 40.0), color: Colors.green, child: new Column( children: [ new Text(“Ableitungen”), ] ), ) );

How can I layout widgets based on the size of the parent?

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You will want to use the LayoutBuilder widget which will build at layout time and provides the parent widget’s constraints. The LayoutBuilder takes in a build() function which has the the standard BuildContext along with the BoxConstraints as parameters that can be used to help dynamically render widgets based on size. Let’s build a simple … Read more

Add border to a Container with borderRadius in Flutter

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It’s not possible to add border: and borderRadius: at the same time, you’ll get this error: A borderRadius can only be given for uniform borders. You can achieve what you want using the borderRadius: and a boxShadow: instead of border: like this: boxShadow: [ BoxShadow(color: Colors.green, spreadRadius: 3) ] Your sample code would be like … Read more

Flutter Network Image does not fit in Circular Avatar

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This Will Work : You need to use backgroundImage:property in order to fit it in Circle. CircleAvatar( radius: 30.0, backgroundImage: NetworkImage(“${snapshot.data.hitsList[index].previewUrl}”), backgroundColor: Colors.transparent, ) To Check with Dummy Placeholder: CircleAvatar( radius: 30.0, backgroundImage: NetworkImage(‘https://via.placeholder.com/150’), backgroundColor: Colors.transparent, )

How to shift focus to the next TextField in Flutter?

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Screenshot: Just use: textInputAction: TextInputAction.next: To move the cursor to the next field. textInputAction: TextInputAction.done: To close the keyboard. @override Widget build(BuildContext context) { return Scaffold( body: Column( children: <Widget>[ TextField( decoration: InputDecoration(hintText: ‘TextField A’), textInputAction: TextInputAction.next, // Moves focus to next. ), TextField( decoration: InputDecoration(hintText: ‘TextField B’), textInputAction: TextInputAction.next, // Moves focus to next. … Read more