Reactnative-iOS回调Javascript的方法

#import <Foundation/Foundation.h>#import <React/RCTBridgeModule.h>#import <React/RCTEventEmitter.h>@interface PushEventEmitter : RCTEventEmitter <RCTBridgeModule>- (void)addEventReminderReceived:(NSNotification *)notification;@end

#import "PushEventEmitter.h"@implementation PushEventEmitter+ (id)allocWithZone:(NSZone *)zone {  static PushEventEmitter *sharedInstance = nil;  static dispatch_once_t onceToken;  dispatch_once(&onceToken, ^{    sharedInstance = [super allocWithZone:zone];  });  return sharedInstance;}RCT_EXPORT_MODULE();- (NSArray<NSString *> *)supportedEvents{  return @[@"EventReminder"];}- (void)addEventReminderReceived:(NSNotification *)notification {  [self sendEventWithName:@"EventReminder" body:@{@"name": @"FlyElephant"}];}@end

import {  NativeModules,  NativeEventEmitter,} from 'react-native';const PushEventEmitter = NativeModules.PushEventEmitter;const emitterManager = new NativeEventEmitter(PushEventEmitter);

  componentDidMount() {    subscription = emitterManager.addListener(      'EventReminder',      (reminder) => console.log('JavaScript接收到通知:'+reminder.name)    );  }  componentWillUnmount(){    subscription.remove();// 移除通知  }

PushEventEmitter *eventEmitter = [PushEventEmitter allocWithZone:nil];