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| (同じ利用者による、間の7版が非表示) |
| 行1: |
行1: |
| − | ==画面遷移サンプル==
| + | [[flutter/画面遷移/基本]] |
| − | ==その1==
| + | |
| − | routerをMyAppの中に追加
| + | |
| − | <pre>
| + | |
| − | class MyApp extends StatelessWidget {
| + | |
| − | @override
| + | |
| − | Widget build(BuildContext context) {
| + | |
| − | return MaterialApp(
| + | |
| − | title: 'Flutter Demo',
| + | |
| − | theme: ThemeData(
| + | |
| − | primarySwatch: Colors.blue,
| + | |
| − | ),
| + | |
| − | home: MyHomePage(title: 'Flutter Demo Home Page'),
| + | |
| − | routes: <String, WidgetBuilder> {
| + | |
| − | '/help': (BuildContext context) => new MyHomePage(title: 'page help'),
| + | |
| − | '/privacy': (BuildContext context) => new MyHomePage(title: 'page privacy'),
| + | |
| − | '/use': (BuildContext context) => new MyHomePage(title: 'page use'),
| + | |
| − | },
| + | |
| − | );
| + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| | | | |
| − | 画面遷移 | + | [[flutter/画面遷移/応用]] |
| − | Navigator.of(context).pushNamed('/use');
| + | |
| | | | |
| − | ==その2==
| + | [[flutter/画面遷移/画面遷移イベント検知]] |
| − | router＆画面遷移
| + | |
| − | <pre>
| + | |
| − | Navigator.push(context, new MaterialPageRoute<Null>(
| + | |
| − | settings: const RouteSettings(name: "/use"),
| + | |
| − | builder: (BuildContext context) => MyHomePage(title: 'page use')
| + | |
| − | ));
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | ==元の画面に戻る==
| + | |
| − | Navigator.pop(context);
| + | |
| − | | + | |
| − | ==遷移先から遷移元に戻った時の処理==
| + | |
| − | Navigator.push(context, new MaterialPageRoute<Null>(
| + | |
| − | settings: const RouteSettings(name: "/text"),
| + | |
| − | builder: (BuildContext context) => TextPage(title: 'page use')
| + | |
| − | )).then((result) {
| + | |
| − | setState(() {
| + | |
| − | print ("ここで戻ってきた時の処理");
| + | |
| − | });
| + | |
| − | });
| + | |
| − | | + | |
| − | ==参考==
| + | |
| − | https://qiita.com/tatsu/items/38cd85efd93005b95af9
| + | |
| − | | + | |
| − | ==指定した元の画面に戻る==
| + | |
| − | 遷移する時
| + | |
| − | <pre>
| + | |
| − | Navigator.push(context, new MaterialPageRoute<Null>(
| + | |
| − | settings: const RouteSettings(name: "/use"),
| + | |
| − | builder: (BuildContext context) => MyHomePage(title: 'page use')
| + | |
| − | ));
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | 指定した画面へ戻る時
| + | |
| − | Navigator.popUntil(context, ModalRoute.withName("/use"));
| + | |
| − | | + | |
| − | 同じ"/use"をまで戻ってそれまでのページは破棄される。
| + | |
| − | | + | |
| − | 参考：https://codeday.me/jp/qa/20190826/1540990.html
| + | |
