styled_text 1.0.3+2

Text widget with formatting via tags. Makes it easier to use formatted text in multilingual applications.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:styled_text/styled_text.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'StyledText Demo',
      theme: ThemeData(
        primarySwatch: Colors.teal,
      ),
      home: DemoPage(),
    );
  }
}

class DemoPage extends StatelessWidget {
  void _alert(BuildContext context) {
    showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          title: Text('Tapped'),
          actions: <Widget>[
            FlatButton(
              child: Text('Ok'),
              onPressed: () {
                Navigator.of(context).pop();
              },
            ),
          ],
        );
      },
    );
  }

  void _openLink(BuildContext context, Map<String, String> attrs) {
    final String link = attrs['href'];

    showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          title: Text('Open Link'),
          content: Text(link),
          actions: <Widget>[
            FlatButton(
              child: Text('Ok'),
              onPressed: () {
                Navigator.of(context).pop();
              },
            ),
          ],
        );
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('StyledText Demo'),
      ),
      body: Center(
        child: SingleChildScrollView(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              // Simple formatted text
              StyledText(
                text: 'Test: <b>bold</b> text.',
                styles: {
                  'b': TextStyle(fontWeight: FontWeight.bold),
                },
              ),

              // Text with quotes
              const SizedBox(height: 20),
              StyledText(
                text: 'Quoted Test: <b>&quot;bold&quot;</b> text.',
                styles: {
                  'b': TextStyle(fontWeight: FontWeight.bold),
                },
              ),

              // Multiline text without breaks
              const SizedBox(height: 20),
              StyledText(
                text: """Multiline text 
(wo breaks)""",
                styles: {
                  'b': TextStyle(fontWeight: FontWeight.bold),
                },
              ),

              // Multiline text with breaks
              const SizedBox(height: 20),
              StyledText(
                text: """Multiline text
(with breaks)""",
                newLineAsBreaks: true,
                styles: {
                  'b': TextStyle(fontWeight: FontWeight.bold),
                },
              ),

              // Custom tags styles
              const SizedBox(height: 20),
              StyledText(
                text: 'Test: <bold>bold</bold> and <red>red color</red> text.',
                styles: {
                  'bold': TextStyle(fontWeight: FontWeight.bold),
                  'red':
                      TextStyle(fontWeight: FontWeight.bold, color: Colors.red),
                },
              ),

              // Text with icon
              const SizedBox(height: 20),
              StyledText(
                text: 'Text with alarm <alarm/> icon.',
                styles: {
                  'alarm': IconStyle(Icons.alarm),
                },
              ),

              // Text with action
              const SizedBox(height: 20),
              StyledText(
                text: 'Text with <action>action</action> inside.',
                styles: {
                  'action': ActionTextStyle(
                    decoration: TextDecoration.underline,
                    onTap: (_, __) => _alert(context),
                  ),
                },
              ),

              // Text with link
              const SizedBox(height: 20),
              StyledText(
                text:
                    'Text with <link href="https://flutter.dev">link</link> inside.',
                styles: {
                  'link': ActionTextStyle(
                    decoration: TextDecoration.underline,
                    onTap: (_, attrs) => _openLink(context, attrs),
                  ),
                },
              ),

              const Divider(height: 40),

              // Selectable text
              StyledText.selectable(
                text: 'Test: selectable <b>bold</b> text.',
                styles: {
                  'b': TextStyle(fontWeight: FontWeight.bold),
                },
              ),

              const Divider(height: 40),

              // Text with custom color tag
              StyledText(
                text:
                    'Text with custom <color text="#ff5500">color</color> text.',
                styles: {
                  'color': CustomTextStyle(
                      baseStyle: TextStyle(fontStyle: FontStyle.italic),
                      parse: (baseStyle, attributes) {
                        if (attributes.containsKey('text') &&
                            (attributes['text'].substring(0, 1) == '#') &&
                            attributes['text'].length >= 6) {
                          final String hexColor =
                              attributes['text'].substring(1);
                          final String alphaChannel = (hexColor.length == 8)
                              ? hexColor.substring(6, 8)
                              : 'FF';
                          final Color color = Color(int.parse(
                              '0x$alphaChannel' + hexColor.substring(0, 6)));
                          return baseStyle.copyWith(color: color);
                        } else {
                          return baseStyle;
                        }
                      }),
                },
              ),
            ],
          ),
        ),
      ),
    );
  }
}