iOS - 根据推送消息进行语音播报

// 引入JPush功能所需头文件

#import "JPUSHService.h"

// iOS10注册APNs所需头文件

#import <UserNotifications/UserNotifications.h>

//集成推送,注册
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

 [JPUSHService registerForRemoteNotificationConfig:entity delegate:self];
    
    [JPUSHService setupWithOption:launchOptions appKey:@"You appKey" channel:nil apsForProduction:YES];
    //获取registrationID
    [JPUSHService registrationIDCompletionHandler:^(int resCode, NSString *registrationID) {
    }];

}

#pragma mark - 推送代理方法
//ios10以前调用 --- 前后台收到消息
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {
//接收到消息
}

// iOS 10 --- 前台显示推送
- (void)jpushNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(NSInteger))completionHandler {
//接收到消息
}

// iOS 10 --- 后台显示推送
- (void)jpushNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(void (^)())completionHandler {
//接收到消息
}

// 获取设备deviceToken
- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken{
    [JPUSHService registerDeviceToken:deviceToken];
}

#import<AVFoundation/AVSpeechSynthesis.h>

 　　NSString *initString = [[NSString alloc] initWithFormat:@"appid=%@", @"59671829"];
    [IFlySpeechUtility createUtility:initString];
    //获取语音合成单例
    _iFlySpeechSynthesizer = [IFlySpeechSynthesizer sharedInstance];
    //设置协议委托对象
    _iFlySpeechSynthesizer.delegate = self;
    //设置合成参数
    //设置在线工作方式
    [_iFlySpeechSynthesizer setParameter:[IFlySpeechConstant TYPE_CLOUD]
                                  forKey:[IFlySpeechConstant ENGINE_TYPE]];
    //设置音量，取值范围 0~100
    [_iFlySpeechSynthesizer setParameter:@"99"
                                  forKey: [IFlySpeechConstant VOLUME]];
    //发音人，默认为”xiaoyan”，可以设置的参数列表可参考“合成发音人列表”
    [_iFlySpeechSynthesizer setParameter:@"xiaoyan"
                                  forKey: [IFlySpeechConstant VOICE_NAME]];
    //保存合成文件名，如不再需要，设置为nil或者为空表示取消，默认目录位于library/cache下
    [_iFlySpeechSynthesizer setParameter:@" tts.pcm"
                                  forKey: [IFlySpeechConstant TTS_AUDIO_PATH]];
    // 关闭日志
    [IFlySetting showLogcat:NO];

{
AVSpeechSynthesizer*av;
}

//初始化对象
av= [[AVSpeechSynthesizer alloc]init];
av.delegate=self;//挂上代理
AVSpeechSynthesisVoice*voice = [AVSpeechSynthesisVoicevoiceWithLanguage:@"zh-CN"];//设置发音，这是中文普通话
AVSpeechUtterance*utterance = [[AVSpeechUtterance alloc]initWithString:@"需要播报的文字"];//需要转换的文字
utterance.rate=0.6;// 设置语速，范围0-1，注意0最慢，1最快；
utterance.voice= voice;
[avspeakUtterance:utterance];//开始

//实现一下backgroundPlayerID:这个方法:
+(UIBackgroundTaskIdentifier)backgroundPlayerID:(UIBackgroundTaskIdentifier)backTaskId
{   //设置并激活音频会话类别
    AVAudioSession *session=[AVAudioSession sharedInstance];
    [session setCategory:AVAudioSessionCategoryPlayback error:nil];
    [session setActive:YES error:nil];
    //允许应用程序接收远程控制
    [[UIApplication sharedApplication] beginReceivingRemoteControlEvents];
    //设置后台任务ID
    UIBackgroundTaskIdentifier newTaskId=UIBackgroundTaskInvalid;
    newTaskId=[[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:nil];
    if(newTaskId!=UIBackgroundTaskInvalid&&backTaskId!=UIBackgroundTaskInvalid)
    {
        [[UIApplication sharedApplication] endBackgroundTask:backTaskId];
    }
    return newTaskId;
}