leancloud 0.0.1 leancloud: ^0.0.1 copied to clipboard
LeanCloud Flutter plugin.
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:leancloud/leancloud.dart';
import 'package:leancloud_example/avobject_page.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
@override
_MyAppState createState() {
initializeLeanCloud();
return _MyAppState();
}
Future<void> initializeLeanCloud() async {
try {
await Leancloud.initialize(
"uYkM7rjLyJFyoGuzh6YCN1Fw-gzGzoHsz", "j7oplqXomohHWlRh1S0xovta");
} on PlatformException catch (e, s) {
print('Exception details:\n $e');
print('Stack trace:\n $s');
}
}
}
class _MyAppState extends State<HomePage> {
TextEditingController _usernameController = new TextEditingController();
TextEditingController _passwordController = new TextEditingController();
String _result = "";
_signUp() async {
bool result = false;
try {
result = await Leancloud.signUp(
_usernameController.text, _passwordController.text);
} on PlatformException catch (e, s) {
print('Exception details:\n $e');
print('Stack trace:\n $s');
}
setState(() {
if (result) {
_result = "注册成功";
} else {
_result = "注册失败";
}
});
}
_login() async {
List<String> result;
try {
result = await Leancloud.login(
_usernameController.text, _passwordController.text);
} on PlatformException catch (e, s) {
print('Exception details:\n $e');
print('Stack trace:\n $s');
}
//
if (result == null) {
_result = "登录失败";
} else {
_result = "登录成功";
Navigator.pushReplacement(context, MaterialPageRoute(builder: (context) {
return AVObjectPage(result);
}));
return;
}
setState(() {});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('LeanCloud example app'),
),
body:Column(
// mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
TextField(
controller: _usernameController,
autofocus: true,
decoration: InputDecoration(
labelText: "用户名",
hintText: "您的用户名",
prefixIcon: Icon(Icons.person)),
),
TextField(
controller: _passwordController,
decoration: InputDecoration(
labelText: "密码",
hintText: "您的登录密码",
prefixIcon: Icon(Icons.lock)),
obscureText: true,
),
Text('$_result'),
RaisedButton(
child: Text("注册"),
textColor: Colors.blue,
onPressed: _signUp,
),
RaisedButton(
child: Text("登录"),
textColor: Colors.blue,
onPressed: _login,
)
],
),
),
);
}
}