main.dart
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
//标题栏
appBar: AppBar(
title: Text("Dialog Demo"),
),
//内容区域
body: DatePickerPubPage(),
),
//主题
theme: ThemeData(primarySwatch: Colors.red),
);
}
}
class DatePickerPubPage extends StatefulWidget {
@override
_DatePickerPubPageState createState() => _DatePickerPubPageState();
}
class _DatePickerPubPageState extends State<DatePickerPubPage> {
void _alertDialog() async {
var resault = await showDialog(
context: context,
builder: (context) {
return AlertDialog(
title: Text("提示信息"),
content: Text("确定要删除吗?"),
actions: <Widget>[
FlatButton(
child: Text("取消"),
onPressed: () {
Navigator.pop(context, 'Cancel');
print("取消");
},
),
FlatButton(
child: Text("确定"),
onPressed: () {
Navigator.pop(context, 'Ok');
print("确定");
},
),
],
);
});
print(resault);
}
void _alertSimpleDialog() {
showDialog(
context: context,
builder: (context) {
return SimpleDialog(
title: Text("选择选修课程"),
children: <Widget>[
SimpleDialogOption(
child: Text("商务礼仪"),
onPressed: () {
Navigator.pop(context);
print("商务礼仪");
},
),
//加条线
Divider(),
SimpleDialogOption(
child: Text("政治经济"),
onPressed: () {
Navigator.pop(context);
print("政治经济");
},
),
//加条线
Divider(),
SimpleDialogOption(
child: Text("市场营销"),
onPressed: () {
Navigator.pop(context);
print("市场营销");
},
),
Divider(),
],
);
});
}
void _alertBottomDialog() async {
showModalBottomSheet(
context: context,
builder: (context) {
return Container(
height: 220,
child: Column(
children: <Widget>[
ListTile(
title: Text("大话设计模式"),
onTap: () {
Navigator.pop(context);
print("大话设计模式");
},
),
Divider(),
ListTile(
title: Text("Java编程思想"),
onTap: () {
Navigator.pop(context);
print("Java编程思想");
},
),
Divider(),
ListTile(
title: Text("Android开发艺术探索"),
onTap: () {
Navigator.pop(context);
print("Android开发艺术探索");
},
),
Divider(),
],
),
);
});
}
void _alertToast() async {
Fluttertoast.showToast(
msg: "我是一个toast",
toastLength: Toast.LENGTH_SHORT,
gravity: ToastGravity.BOTTOM,
timeInSecForIos: 1,
backgroundColor: Colors.grey,
textColor: Colors.white,
fontSize: 14.0);
}
@override
Widget build(BuildContext context) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
RaisedButton(
child: Text("AlertDialog"),
onPressed: _alertDialog,
),
SizedBox(height: 20),
RaisedButton(
child: Text("SimpleDialog"),
onPressed: _alertSimpleDialog,
),
SizedBox(height: 20),
RaisedButton(
child: Text("ActionSheet底部弹出框"),
onPressed: _alertBottomDialog,
),
SizedBox(height: 20),
RaisedButton(
child: Text("toast-fluttertoast第三方库"),
onPressed: _alertToast,
),
SizedBox(height: 20),
],
),
);
}
}
pubspec.yaml
dependencies:
fluttertoast: ^3.1.1
运行效果: