iOS: 环信的推送

//注册 APNS文件的名字, 需要与后台上传证书时的名字一一对应
NSString *apnsCertName = @"chatdemo";
[[EaseMob sharedInstance] registerSDKWithAppKey:@“4545521” apnsCertName:apnsCertName];
[[EaseMob sharedInstance] enableBackgroundReceiveMessage];
[[EaseMob sharedInstance] application:application didFinishLaunchingWithOptions:launchOptions];

// 收到消息回调
-(void)didReceiveMessage:(EMMessage *)message{
    
#if !TARGET_IPHONE_SIMULATOR
    [self playSoundAndVibration];
    
    BOOL isAppActivity = [[UIApplication sharedApplication] applicationState] == UIApplicationStateActive;
    if (!isAppActivity) {
        [self showNotificationWithMessage:message];
    }
#endif
}

- (void)playSoundAndVibration{
    
    //如果距离上次响铃和震动时间太短, 则跳过响铃
    NSLog(@"%@, %@", [NSDate date], self.lastPlaySoundDate);
    NSTimeInterval timeInterval = [[NSDate date]
                                   timeIntervalSinceDate:self.lastPlaySoundDate];
    if (timeInterval < kDefaultPlaySoundInterval) {
        return;
    }
    //保存最后一次响铃时间
    self.lastPlaySoundDate = [NSDate date];
    
    // 收到消息时，播放音频
    [[EaseMob sharedInstance].deviceManager asyncPlayNewMessageSound];
    // 收到消息时，震动
    [[EaseMob sharedInstance].deviceManager asyncPlayVibration];
}

- (void)showNotificationWithMessage:(EMMessage *)message{
    id<IEMMessageBody> messageBody = [message.messageBodies firstObject];
    NSString *messageStr = nil;
    switch (messageBody.messageBodyType) {
        case eMessageBodyType_Text:
        {
            messageStr = ((EMTextMessageBody *)messageBody).text;
        }
            break;
        case eMessageBodyType_Image:
        {
            messageStr = @"[图片]";
        }
            break;
        case eMessageBodyType_Location:
        {
            messageStr = @"[位置]";
        }
            break;
        case eMessageBodyType_Voice:
        {
            messageStr = @"[音频]";
        }
            break;
        case eMessageBodyType_Video:{
            messageStr = @"[视频]";
        }
            break;
        default:
            break;
    }
    
    //发送本地推送
    UILocalNotification *notification = [[UILocalNotification alloc] init];
    notification.fireDate = [NSDate date]; //触发通知的时间
    
    NSString *title = message.from;
    if (message.isGroup) {
        NSArray *groupArray = [[EaseMob sharedInstance].chatManager groupList];
        for (EMGroup *group in groupArray) {
            if ([group.groupId isEqualToString:message.conversation.chatter]) {
                title = [NSString stringWithFormat:@"%@(%@)", message.groupSenderName, group.groupSubject];
                break;
            }
        }
    }
    
    notification.alertBody = [NSString stringWithFormat:@"%@:%@", title, messageStr];
    notification.alertAction = @"打开";
    notification.timeZone = [NSTimeZone defaultTimeZone];
    notification.soundName = UILocalNotificationDefaultSoundName;

    //发送通知
    [[UIApplication sharedApplication] scheduleLocalNotification:notification];
    UIApplication *application = [UIApplication sharedApplication];
    application.applicationIconBadgeNumber += 1;
}