屬性	說明
title	標題
content	內容
actions	按鈕
applicationName	說明文字
applicationVersion	版本
applicationLegalese	版本

基本使用

class MyState extends State {AlertDialog delDialog(BuildContext context) {AlertDialog alertDialog = AlertDialog(title: Text("提示"),content: Text("確定要刪除嗎？"),actions: [TextButton(onPressed: () => Navigator.pop(context), child: Text("取消")),TextButton(onPressed: () => Navigator.pop(context), child: Text("確定")),],);return alertDialog;}@overrideWidget build(BuildContext context) {return Scaffold(appBar: AppBar(title: Text(""), centerTitle: true),body: Column(crossAxisAlignment: CrossAxisAlignment.start,children: [OutlinedButton(onPressed: () {showDialog(context: context,builder: (context) {return delDialog(context);},);},child: Text("彈窗"),),],),);}
}

SimpleDialog

提供多個選項供用戶選擇

  SimpleDialog dialog2() {SimpleDialog simpleDialog = SimpleDialog(title: Text("選擇顏色"),children: [SimpleDialogOption(onPressed: () => Navigator.pop(context, "Red"),child: Text("紅色"),),SimpleDialogOption(onPressed: () => Navigator.pop(context, "Blue"),child: Text("藍色"),),],);return simpleDialog;}

AboutDialog

  AboutDialog dialog3() {AboutDialog aboutDialog = AboutDialog(applicationName: "關于",applicationVersion: "1.0.0",applicationLegalese: "? 2023 Flutter",);return aboutDialog;}

底部彈窗BottomSheet

class MyState extends State {@overrideWidget build(BuildContext context) {Widget widget = Column(children: [ListTile(title: Text("橘子"), onTap: () {}),ListTile(title: Text("西瓜"), onTap: () {}),ListTile(title: Text("蘋果"), onTap: () {}),ListTile(title: Text("香蕉"), onTap: () {}),],);return Scaffold(appBar: AppBar(title: Text(""), centerTitle: true),body: Column(crossAxisAlignment: CrossAxisAlignment.start,children: [OutlinedButton(onPressed: () {showModalBottomSheet(context: context,builder: (context) {return widget;},);},child: Text("彈窗"),),],),);}
}