9、Flutter 實現 生成二維碼
阿新 • • 發佈:2019-02-11
ride pub png 二維 appbar com return itl bsp
1、加入依賴
在 pubspec.yaml 中 dependencies 節點下添加:
dependencies:
qr_flutter: ^1.1.6
2、引入代碼
在需要細線二維碼的 dart 類中引入依賴代碼包:
import ‘package:qr_flutter/qr_flutter.dart‘;
代碼部分
import ‘package:flutter/material.dart‘; import ‘package:qr_flutter/qr_flutter.dart‘; /** * 首頁 */ class HomePage extends StatefulWidget { @override _HomePageState createState()=> _HomePageState(); } class _HomePageState extends State<HomePage> with AutomaticKeepAliveClientMixin { // 切換界面保持,不被重置 @override bool get wantKeepAlive => true; @override Widget build(BuildContext context) { return Scaffold( appBar: new AppBar( title:new Text("我是標題"), ), body: new Center( child: new QrImage( data: "這裏是需要生成二維碼的數據", size: 200.0, ), ), ); } }
詳細屬性:https://pub.dartlang.org/packages/qr_flutter
3、實現效果
博客地址:https://www.cnblogs.com/niceyoo
9、Flutter 實現 生成二維碼