iOS Native跳转到Flutter页面
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iOS原生页面跳转到指定Flutter页面
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .white
let nextBtn = UIButton(type: .custom)
nextBtn.frame = CGRect(x: 0, y: 0, width: 120, height: 50)
nextBtn.setTitle("跳转Flutter", for: .normal)
nextBtn.setTitleColor(.blue, for: .normal)
view.addSubview(nextBtn)
nextBtn.center = view.center
nextBtn.addTarget(self, action: #selector(gotoNextEvent), for: .touchUpInside)
// Do any additional setup after loading the view.
}
// iOS 跳转到指定Flutter路由页面
@objc func gotoNextEvent() {
let flutterViewController = FlutterViewController(project:nil, initialRoute: "mine", nibName: nil, bundle: nil)
self.navigationController?.pushViewController(flutterViewController, animated: true)
flutterSetup()
}
Swift
Flutter 返回iOS原生回调
func flutterSetup() {
let navigation = UIApplication.shared.keyWindow?.rootViewController as? UINavigationController
guard let contoller = navigation?.topViewController as? FlutterViewController else {
fatalError("contoller is not type FlutterViewController")
}
let flutterChannel = FlutterMethodChannel(name: "com.flutterToNative.second", binaryMessenger: contoller.binaryMessenger)
flutterChannel.setMethodCallHandler { call, result in
if call.method == "backToNative" {
self.navigationController?.popViewController(animated: true)
} else {
result(FlutterMethodNotImplemented)
}
}
}
Swift
flutter 对应代码如下：
import 'package:flutter/material.dart';
import 'package:my_app/home.dart';
import 'package:my_app/mine.dart';
void main() {
runApp(const MyApp());
}
Map<String, WidgetBuilder> routes = {
"home": (context) => const HomePage(),
"mine": (context) => const MinePage()
};
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
// 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: const HomePage(),
initialRoute: 'home',
routes: routes,
);
}
}
Kotlin
 import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
class MinePage extends StatefulWidget {
const MinePage({Key? key}) : super(key: key);
@override
_MinePageState createState() => _MinePageState();
}
class _MinePageState extends State<MinePage> {
static const methodChannel = MethodChannel('com.flutterToNative.second');
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text(''),
backgroundColor: Colors.blue,
systemOverlayStyle: SystemUiOverlayStyle.light,
leading: IconButton(
icon: const Icon(Icons.arrow_back_ios),
onPressed: () => {methodChannel.invokeMethod('backToNative')},
),
),
body: const Center(
child: Text('这是我的页面'),
),
);
}
}
Kotlin
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