專案 中 採用React Native 開發 ，觀看直播呼叫iOS 原生介面

RN程式碼

import React, { Component } from 'react';
import {
  Platform,
  StyleSheet,
  Text,
  View,
   TouchableHighlight,
    NativeModules,
    NativeEventEmitter,
} from 'react-native';

const instructions = Platform.select({
  ios: 'Press Cmd+R to reload,
 
\n' +
    'Cmd+D or shake for dev menu',
  android: 'Double tap R on your keyboard to reload,\n' +
    'Shake or press menu button for dev menu',
});

var nativeBridge  = NativeModules.RNIOSWatchLiveExportJsToReact;
const NativeModule = new NativeEventEmitter(nativeBridge);

export default class App extends 
 
Component<{}> {

    render() {
    return (
      <View style={styles.container}>
        <Text style={styles.welcome}>
          Welcome to 北京四中網校!
        </Text>
        <TouchableHighlight style = {styles.btn}onPress = {this._pressBackButton.bind(this)}>
          <
 
Text style={styles.btnText}>
            看直播
          </Text>
        </TouchableHighlight>

      </View>
    );
  }
    _pressBackButton () {
        const options = {
            domain:"etiantian.gensee.com",
            roomNumber:"78608221",
            nickName:"etiantian",
            watchPassword :"933767"
}
        NativeModule.addListener('watchLiveOpertion',(data)=>this._watchLiveHandle(data));
        NativeModules.watchLive.watchLive(options,(data)=>this._watchLiveHandle(data));
   }
   _watchLiveHandle(response)
   {
       console.log("result",response);
       if (response.close)  {
           NativeModule.removeAllListeners('watchLiveOpertion');
           console.log('結束直播觀看');
       }
       else if (response.error)  {
           NativeModule.removeAllListeners('watchLiveOpertion');
           console.log('觀看失敗：',response.error);
       }else {

           console.log('觀看成功');

       }
   }

}

iOS 程式碼

 watchLive

#import "watchLive.h"
#import <UIKit/UIKit.h>
#import "WatchLiveViewController.h"
#import "RNIOSWatchLiveExportJsToReact.h"

@interface watchLive()
@property (nonatomic,retain)NSMutableDictionary * options;
@property (nonatomic,retain)NSMutableDictionary * response;
@property (nonatomic,strong) RCTResponseSenderBlock callback;
@property (nonatomic,retain) WatchLiveViewController  * watchLiveVC;
@end
@implementation watchLive
RCT_EXPORT_MODULE();
RCT_EXPORT_METHOD(watchLive:(NSDictionary *)options callback:(RCTResponseSenderBlock)callback{
  if(_watchLiveVC)
  {
    return;
  }
 
  self.options = [NSMutableDictionary dictionaryWithDictionary:options];
  self.callback = callback;

  _watchLiveVC = [[WatchLiveViewController alloc]init:self];
 
  UIViewController * root = [[[UIApplication sharedApplication].delegate window] rootViewController];
  while (root.presentedViewController != nil)
  {
    root = root.presentedViewController;
  }
  [root presentViewController:self.watchLiveVC animated:YES completion:nil];
})
-(NSDictionary *)pGetWatchLiveInfo
{
  return self.options;
}
-(void)pWatchLiveplayerSucess:(id)sender;
{
  [RNIOSWatchLiveExportJsToReact emitEventWithName:@"event-watchLive" andPayload:@{@"sucess":@"YES"}];
}
-(void)pWatchLiveClose
{
  [RNIOSWatchLiveExportJsToReact emitEventWithName:@"event-watchLive" andPayload:@{@"close":@"YES"}];
  _watchLiveVC = nil;
}

-(void)pWatchLiveError:(NSError *)err
{
   [RNIOSWatchLiveExportJsToReact emitEventWithName:@"event-watchLive" andPayload:@{@"error":@"watchfail"}];
}

WatchLiveViewController

  #import "WatchLiveViewController.h"
#import <PlayerSDK/PlayerSDK.h>
@interface WatchLiveViewController ()<GSPPlayerManagerDelegate>
@property (nonatomic,retain)GSPPlayerManager   * playerManager;
@property (nonatomic, strong) GSPChatInputToolView *inputView;

@property (nonatomic, strong) GSPChatView *chatView;
@property (nonatomic, strong) UITapGestureRecognizer *tapGestureRecognizer;
@property (nonatomic, assign)id<watchLiveDelegate>  delegate;
@property (nonatomic, strong) UIButton * closeBtn;
@end

@implementation WatchLiveViewController
-(id)init:(id<watchLiveDelegate>)delegate
{
  if(self = [super init])
  {
    _delegate = delegate;
  }
  return self;
}
- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor whiteColor];
    [self watchLive];
    // Do any additional setup after loading the view.
}
-(void)watchLive
{

  if (_delegate == nil)
  {
     return;
  }
 
  NSDictionary * dic = [_delegate pGetWatchLiveInfo];
  _playerManager = [GSPPlayerManager sharedManager];
  _playerManager.delegate = self;
 
  GSPJoinParam * joinParam = [GSPJoinParam new];
 
 
  joinParam.roomNumber = [dic valueForKey:@"roomNumber"];
 
  joinParam.serviceType = GSPServiceTypeTraining;
  joinParam.nickName    = [dic valueForKey:@"nickName"];
  joinParam.watchPassword = [dic valueForKey:@"watchPassword"];
 
  GSPVideoView  * videoView = [[GSPVideoView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height/2)];
  [self.view addSubview:videoView];
  _playerManager.videoView = videoView;
  videoView.contentMode = UIViewContentModeScaleAspectFit;
  [_playerManager joinWithParam:joinParam];
  if (_closeBtn == nil)
  {
    _closeBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    _closeBtn.frame = CGRectMake(self.view.frame.size.width- 80, 30, 60, 30);
    _closeBtn.backgroundColor = [UIColor blueColor];
    [_closeBtn setTitle:@"關閉" forState:UIControlStateNormal];;
    [_closeBtn addTarget:self action:@selector(closeHandle:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:_closeBtn];
  }
  _chatView = [[GSPChatView alloc]initWithFrame:CGRectMake(0, self.view.frame.size.height/2, self.view.bounds.size.width, self.view.bounds.size.height/2)];
  _chatView.backgroundColor = [UIColor greenColor];
  //
  [self.view addSubview:_chatView];
  _inputView = [[GSPChatInputToolView alloc]initWithViewController:self combinedChatView:_chatView combinedQaView:nil isChatMode:YES];
  [self.view addSubview:_inputView];
  //
    self.playerManager.chatView = _chatView;
  _tapGestureRecognizer = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(hideChatView:)];
  [_chatView addGestureRecognizer:_tapGestureRecognizer];
  //    GSPChatView * chatView = [[GSPChatView alloc]initWithFrame:CGRectMake(videoView.frame.size.height, 0, self.view.frame.size.width, self.view.frame.size.height/2)];
 
}
-(void)closeHandle:(UIButton *)btn
{
  if (_delegate)
  {
    [_delegate pWatchLiveClose];
    [self liveEnd];
  }
 
}

-(void)liveEnd{
  if ( [_playerManager leave])
  {
    [_playerManager invalidate];
  }
  [self dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - hidden chatListView
- (void)hideChatView:(UIGestureRecognizer *)recognizer {
 
  [_inputView hideUserListView];
  [self.view endEditing:YES];
}

-(void)playerManager:(GSPPlayerManager *)playerManager didReceiveSelfJoinResult:(GSPJoinResult)joinResult currentIDC:(NSString *)idcKey
{
  if (joinResult == GSPJoinResultOK) {
    if (_delegate)
    {
       [_delegate pWatchLiveplayerSucess:nil];
    }
   
  }
  else
  {
    if (_delegate)
    {
        [_delegate pWatchLiveError:nil];
        [self liveEnd];
    }
 
  }
}

RNIOSWatchLiveExportJsToReact

 #import "RNIOSWatchLiveExportJsToReact.h"

@implementation RNIOSWatchLiveExportJsToReact
RCT_EXPORT_MODULE();
- (NSArray<NSString *> *)supportedEvents
{
  //這裡返回的將是你要傳送的訊息名的陣列。
  return @[@"watchLiveOpertion"];
}

- (void)startObserving
{
  [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(emitEventInternal:)
                                               name:@"event-watchLive"
                                             object:nil];
}
- (void)stopObserving
{
  [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)emitEventInternal:(NSNotification *)notification
{
  NSDictionary * result = notification.userInfo;
  [self sendEventWithName:@"watchLiveOpertion"
                    body:result];
}

+ (void)emitEventWithName:(NSString *)name andPayload:(NSDictionary *)payload
{
  [[NSNotificationCenter defaultCenter] postNotificationName:@"event-watchLive"
                                                      object:self
                                                    userInfo:payload];
}

       @end

RN 函式回撥只允許呼叫一次，所以採用事件方式進行傳遞