flutter - Align Text widgets in a row widget

Flutter - Align Text widgets in a row widget

In Flutter, aligning Text widgets within a Row widget can be managed using various alignment and spacing techniques. Here's a comprehensive guide on how to align Text widgets in a Row:

1. Basic Row Alignment

By default, a Row widget aligns its children in a horizontal line from left to right. You can use alignment properties to modify the alignment:

import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Row Alignment')), body: Center( child: Row( mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ Text('First'), Text('Second'), Text('Third'), ], ), ), ), ); } }

2. Aligning Text Widgets

You can align Text widgets within a Row using the MainAxisAlignment and CrossAxisAlignment properties:

  • MainAxisAlignment: Aligns children horizontally within the Row.
  • CrossAxisAlignment: Aligns children vertically within the Row.

MainAxisAlignment

  • MainAxisAlignment.start: Aligns children at the start (left) of the Row.
  • MainAxisAlignment.end: Aligns children at the end (right) of the Row.
  • MainAxisAlignment.center: Centers children horizontally.
  • MainAxisAlignment.spaceBetween: Distributes space evenly between children.
  • MainAxisAlignment.spaceAround: Distributes space evenly around children.
  • MainAxisAlignment.spaceEvenly: Distributes space evenly between and around children.
Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: <Widget>[ Text('First'), Text('Second'), Text('Third'), ], )

CrossAxisAlignment

  • CrossAxisAlignment.start: Aligns children at the start of the cross axis (top).
  • CrossAxisAlignment.end: Aligns children at the end of the cross axis (bottom).
  • CrossAxisAlignment.center: Centers children vertically.
  • CrossAxisAlignment.baseline: Aligns children based on their text baselines (requires TextBaseline).
Row( crossAxisAlignment: CrossAxisAlignment.center, children: <Widget>[ Text('First'), Text('Second'), Text('Third'), ], )

3. Using Align or Container for Precise Alignment

If you need more control over the alignment of individual Text widgets, you can use Align or Container with alignment properties.

Using Align

Row( children: <Widget>[ Align( alignment: Alignment.centerLeft, child: Text('First'), ), Align( alignment: Alignment.center, child: Text('Second'), ), Align( alignment: Alignment.centerRight, child: Text('Third'), ), ], )

Using Container

Row( children: <Widget>[ Container( alignment: Alignment.centerLeft, child: Text('First'), ), Container( alignment: Alignment.center, child: Text('Second'), ), Container( alignment: Alignment.centerRight, child: Text('Third'), ), ], )

4. Adding Space Between Widgets

You can also add space between widgets using SizedBox or Spacer.

Using SizedBox

Row( children: <Widget>[ Text('First'), SizedBox(width: 20), // Space between widgets Text('Second'), SizedBox(width: 20), // Space between widgets Text('Third'), ], )

Using Spacer

Row( children: <Widget>[ Text('First'), Spacer(), // Takes up remaining space Text('Second'), Spacer(), // Takes up remaining space Text('Third'), ], )

Summary

  • MainAxisAlignment: Controls horizontal alignment within the Row.
  • CrossAxisAlignment: Controls vertical alignment within the Row.
  • Align and Container: Offer more precise control over individual widget alignment.
  • SizedBox and Spacer: Manage spacing between widgets.

By using these techniques, you can effectively align and arrange Text widgets within a Row in Flutter.

Examples

  1. How to align Text widgets to the start of a Row in Flutter

    Description: Demonstrates how to align Text widgets to the start (left) of a Row widget using the MainAxisAlignment.start property.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Align Text to Start')), body: Row( mainAxisAlignment: MainAxisAlignment.start, children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), ], ), ), ); } }

  2. How to align Text widgets to the center of a Row in Flutter

    Description: Shows how to align Text widgets in the center of a Row using the MainAxisAlignment.center property.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Align Text to Center')), body: Row( mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), ], ), ), ); } }

  3. How to align Text widgets to the end of a Row in Flutter

    Description: Demonstrates how to align Text widgets to the end (right) of a Row using the MainAxisAlignment.end property.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Align Text to End')), body: Row( mainAxisAlignment: MainAxisAlignment.end, children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), ], ), ), ); } }

  4. How to align Text widgets with space evenly in a Row in Flutter

    Description: Shows how to align Text widgets with equal spacing between them using the MainAxisAlignment.spaceEvenly property.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Space Evenly')), body: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), ], ), ), ); } }

  5. How to align Text widgets with space around in a Row in Flutter

    Description: Demonstrates how to align Text widgets with space around each item using the MainAxisAlignment.spaceAround property.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Space Around')), body: Row( mainAxisAlignment: MainAxisAlignment.spaceAround, children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), ], ), ), ); } }

  6. How to align Text widgets with space between them in a Row in Flutter

    Description: Shows how to use the MainAxisAlignment.spaceBetween property to align Text widgets with space between them.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Space Between')), body: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), ], ), ), ); } }

  7. How to use Expanded to align Text widgets in a Row in Flutter

    Description: Demonstrates how to use the Expanded widget to ensure Text widgets take up available space in a Row.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Use Expanded')), body: Row( children: <Widget>[ Expanded(child: Text('Text 1')), Expanded(child: Text('Text 2')), Expanded(child: Text('Text 3')), ], ), ), ); } }

  8. How to align Text widgets in a Row with different alignment in Flutter

    Description: Shows how to use Align within a Row to position Text widgets differently.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Different Alignments')), body: Row( children: <Widget>[ Expanded(child: Align(alignment: Alignment.centerLeft, child: Text('Text 1'))), Expanded(child: Align(alignment: Alignment.center, child: Text('Text 2'))), Expanded(child: Align(alignment: Alignment.centerRight, child: Text('Text 3'))), ], ), ), ); } }

  9. How to wrap Text widgets in a Row to multiple lines in Flutter

    Description: Shows how to wrap Text widgets to multiple lines using the Wrap widget instead of Row.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Wrap Text Widgets')), body: Wrap( spacing: 10.0, // Horizontal space between texts runSpacing: 10.0, // Vertical space between lines children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), Text('Text 4'), ], ), ), ); } }

  10. How to center Text widgets vertically within a Row in Flutter

    Description: Shows how to vertically align Text widgets within a Row using CrossAxisAlignment.center.

    Code:

    import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: Text('Center Text Vertically')), body: Row( crossAxisAlignment: CrossAxisAlignment.center, children: <Widget>[ Text('Text 1'), Text('Text 2'), Text('Text 3'), ], ), ), ); } }

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