upstream/upstream-flutter-samples
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

snapshot of https://github.com/flutter/samples.git (main, 2026-09-16; blobs > 131072B omitted)
Some checks failed
Main Branch CI / Test Flutter beta on ubuntu-latest (push) Has been skipped
Details
Main Branch CI / Test Flutter stable on ubuntu-latest (push) Has been skipped
Details
Main Branch CI / Test Flutter beta on macos-latest (push) Has been cancelled
Details
Main Branch CI / Test Flutter stable on macos-latest (push) Has been cancelled
Details

Browse Source
This commit is contained in:
upstream-mirror
2026-09-16 01:43:26 +05:00
commit 9ed6a80afa
2886 changed files with 140184 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

150
web_embedding/ng-flutter/flutter/lib/pages/dash.dart Normal file
View File

@@ -0,0 +1,150 @@
import 'package:flutter/material.dart';
class DashDemo extends StatefulWidget {
const DashDemo({super.key, required this.text});
final ValueNotifier<String> text;
@override
State<DashDemo> createState() => _DashDemoState();
}
class _DashDemoState extends State<DashDemo> {
final double textFieldHeight = 80;
final Color colorPrimary = Colors.blue.shade700;
late final TextEditingController textController;
int _totalCharCount = 0;
@override
void initState() {
super.initState();
// Initial value of the text box.
_totalCharCount = widget.text.value.length;
textController = TextEditingController.fromValue(
TextEditingValue(
text: widget.text.value,
selection: TextSelection.collapsed(offset: widget.text.value.length),
),
);
// Report changes.
textController.addListener(_onTextControllerChange);
// Listen to changes from the outside.
widget.text.addListener(_onTextStateChanged);
}
void _onTextControllerChange() {
widget.text.value = textController.text;
setState(() {
_totalCharCount = textController.text.length;
});
}
void _onTextStateChanged() {
textController.value = TextEditingValue(
text: widget.text.value,
selection: TextSelection.collapsed(offset: widget.text.value.length),
);
}
@override
void dispose() {
super.dispose();
textController.dispose();
widget.text.removeListener(_onTextStateChanged);
}
void _handleClear() {
textController.value = TextEditingValue(
text: '',
selection: TextSelection.collapsed(offset: widget.text.value.length),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Column(
children: [
Expanded(
child: Container(
width: double.infinity,
color: colorPrimary,
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
'COUNT WITH DASH!',
style: Theme.of(
context,
).textTheme.titleLarge!.copyWith(color: Colors.white),
),
// Bordered dash avatar
Padding(
padding: const EdgeInsets.all(12),
child: ClipOval(
child: Container(
color: Colors.white,
padding: const EdgeInsets.all(2),
child: ClipOval(
child: Container(
color: colorPrimary,
padding: const EdgeInsets.all(2),
child: const CircleAvatar(
radius: 45,
backgroundColor: Colors.white,
foregroundImage: AssetImage('assets/dash.png'),
),
),
),
),
),
),
Text(
'$_totalCharCount',
style: Theme.of(
context,
).textTheme.displayLarge!.copyWith(color: Colors.white),
),
],
),
),
),
Padding(
padding: const EdgeInsets.all(12),
child: Row(
children: [
Expanded(
child: TextField(
autofocus: true,
controller: textController,
maxLines: 1,
decoration: const InputDecoration(
border: OutlineInputBorder(),
hintText: 'Type something!',
),
),
),
Padding(
padding: const EdgeInsets.only(left: 12),
child: Ink(
decoration: ShapeDecoration(
color: colorPrimary,
shape: const CircleBorder(),
),
child: IconButton(
icon: const Icon(Icons.refresh),
color: Colors.white,
onPressed: _handleClear,
),
),
),
],
),
),
],
),
);
}
}