import 'package:ansu_ui/ansu_ui.dart'; import 'package:example/codeviewer/code_segments.dart'; import 'package:example/common/code_view.dart'; import 'package:flutter/material.dart'; import 'package:get/get.dart'; class ExampleNumericButton extends StatefulWidget { ExampleNumericButton({Key key}) : super(key: key); @override _ExampleNumericButtonState createState() => _ExampleNumericButtonState(); } class _ExampleNumericButtonState extends State { _showSnack(BuildContext context, String title) { Scaffold.of(context).showSnackBar( SnackBar(content: Text(title)), ); } int _pickedValue = 0; @override Widget build(BuildContext context) { return ASScaffold( title: '数量选择器', actions: [ IconButton( icon: Icon( Icons.code, color: Colors.black54, ), onPressed: () => Get.to( CodeView( text: (context) => CodeSegments.numericButton(context), ), ), ) ], body: Builder( builder: (context) { return ListView( children: [ // BEGIN numericButton ListTile( title: Text(_pickedValue.toString()), subtitle: Text('一般用法'), trailing: ASNumericButton( initValue: _pickedValue, maxValue: 10, onChange: (value) { setState(() { _pickedValue = value; }); }, reachMax: (value) { _showSnack(context, 'reach max'); }, reachMin: (value) { _showSnack(context, 'reach min'); }, ), ), // END ], ); }, ), ); } }