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Aligning text
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import 'package:flutter_web/material.dart'; | |
import 'package:flutter_web_test/flutter_web_test.dart'; | |
import 'package:flutter_web_ui/ui.dart' as ui; | |
class MyWidget extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return Row( | |
crossAxisAlignment: CrossAxisAlignment.center, | |
textBaseline: TextBaseline.alphabetic, | |
children: [ | |
Text( | |
'Hey!', | |
style: TextStyle( | |
fontSize: 30, | |
fontFamily: 'Futura', | |
color: Colors.blue, | |
), | |
), | |
Text( | |
'Hey!', | |
style: TextStyle( | |
fontSize: 50, | |
fontFamily: 'Futura', | |
color: Colors.green, | |
), | |
), | |
Text( | |
'Hey!', | |
style: TextStyle( | |
fontSize: 40, | |
fontFamily: 'Futura', | |
color: Colors.red, | |
), | |
), | |
], | |
); | |
} | |
} |
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class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return Directionality( | |
textDirection: TextDirection.ltr, | |
child: Container( | |
color: Color(0xffeeeeee), | |
child: Center( | |
child: Container( | |
child: MyWidget(), | |
color: Color(0xffcccccc), | |
), | |
), | |
), | |
); | |
} | |
} | |
Future<void> main() async { | |
await ui.webOnlyInitializePlatform(); | |
runApp(MyApp()); | |
final controller = LiveWidgetController(WidgetsBinding.instance); | |
final rows = controller.widgetList(find.byType(Row)); | |
if (rows.length == 0) { | |
_result(false, ['Couldn\'t find a Row!']); | |
return; | |
} | |
if (rows.length > 1) { | |
_result(false, ['Found ${rows.length} Rows, rather than just one.']); | |
return; | |
} | |
final row = rows.first as Row; | |
if (row.mainAxisSize != MainAxisSize.max) { | |
_result(false, ['It\'s best to leave the mainAxisSize set to MainAxisSize.max, so there\'s space for the alignments to take effect.']); | |
return; | |
} | |
if (row.children.length != 3 || row.children.any((w) => w is! Text)) { | |
_result(false, ['The Row should have three children, all Text widgets.']); | |
return; | |
} | |
if (row.textBaseline == null) { | |
_result(false, ['To use CrossAxisAlignment.baseline, you need to set the Row\'s textBaseline property.']); | |
return; | |
} | |
if (row.crossAxisAlignment != CrossAxisAlignment.baseline) { | |
_result(false, ['The Text widgets are positioned at the middle of the cross axis. Change CrossAxisAlignment.center to CrossAxisAlignment.baseline.']); | |
return; | |
} | |
_result(true, ['The Text widgets are now aligned by their character baselines.']); | |
} |
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