geense_plugin 1.0.0 geense_plugin: ^1.0.0 copied to clipboard
测试展示互动iOS插件.
example/lib/main.dart
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:geense_plugin/geense_plugin.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
//****************flutter主动调用原生方法****************//
String _nativeCallBackValue = '等待原生传值';
@override
void initState() {
// TODO: implement initState
//实现通道的监听,并传入两个带有参数的函数用于监听到数据后 对数据进行处理
eventChannel.receiveBroadcastStream()
// ignore: use_function_type_syntax_for_parameters
.listen((Event) {
_receiveFromeNative(Event);
onError:
_fromNativeError;
});
super.initState();
initPlatformState();
_communicateFunction(" flutter to ios ");
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String platformVersion;
// Platform messages may fail, so we use a try/catch PlatformException.
// We also handle the message potentially returning null.
try {
// platformVersion =
// await GeensePlugin.platformVersion ?? 'Unknown platform version';
platformVersion = await GeensePlugin.gennsee ?? "啥也不是";
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_platformVersion = platformVersion;
});
}
//异步执行调用原生方法,保持页面不卡住,因为调用原生的方法可能没实现会抛出异常,所以trycatch包住
Future<void> _communicateFunction(flutterPara) async {
try {
//原生方法名为callNativeMethond,flutterPara为flutter调用原生方法传入的参数,await等待方法执行
final result = await GeensePlugin.callNativeMethond(flutterPara) ?? "";
//如果原生方法执行回调传值给flutter,那下面的代码才会被执行
_nativeCallBackValue = result;
print('object');
print('object1');
print('object2');
// ignore: nullable_type_in_catch_clause
} on PlatformException catch (e) {
//抛出异常
//flutter: PlatformException(001, 进入异常处理, 进入flutter的trycatch方法的catch方法)
print(e);
}
}
//****************原生主动调用flutter****************//
//存放原生传给flutter的值
String _nativeToFlutterString = '等待iOS传值';
//注册监听原生通道
EventChannel eventChannel = EventChannel('ios_to_flutter');
//监听到数据后用于处理数据的方法,这个函数是用于处理接收到原生传进来的数据的,可自行定义
void _receiveFromeNative(Map para) {
print(para);
setState(() {
// _nativeToFlutterString = para.toString();
_nativeToFlutterString = para["key"];
});
}
//原生返回错误信息
void _fromNativeError(Object error) {
print(error);
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Column(
children: [
Text(_platformVersion),
ElevatedButton(
onPressed: () async {
var dic = {};
dic.addAll({
"domain": "training.ttcdw.cn",
"roomNumber": "55664669",
"nickName": "Cooper",
"watchPassword": "662778",
"liveName": "直播"
});
String? message = await GeensePlugin.seelive(dic);
// ignore: avoid_print
print(message);
},
child: const Text(
'参数传递',
style: TextStyle(
fontSize: 14.0,
),
),
),
MaterialButton(
color: Colors.green,
child: Text(_nativeToFlutterString),
onPressed: () {},
),
],
),
),
),
);
}
}