iphone - iOS 闹钟

Question

我创建了一个简单的闹钟通知应用程序，通过它我可以获取实时信息、设置闹钟打开或关闭以及播放单音音频。但我需要播放应以类 VOID 开头的声音。

下面是代码:

获取并启动警报通知:

- (void)viewDidLoad {

    [super viewDidLoad];

    dateTimerPicker.date = [NSDate date];

}

- (void)presentMessage:(NSString *)message {

    UIAlertView *alert = [[UIAlertView alloc]
                          initWithTitle:@"Hello!"
                          message:message
                          delegate:nil
                          cancelButtonTitle:@"OK"
                          otherButtonTitles: nil];
    [alert show];

}

- (void)scheduleLocalNotificationWithDate:(NSDate *)fireDate {

    UILocalNotification *notification = [[UILocalNotification alloc]init];
    notification.fireDate = fireDate;
    notification.alertBody = @"Time to wake up!!";
    notification.soundName = @"PhoneOld.mp3";
    [self playPause];

    [[UIApplication sharedApplication] scheduleLocalNotification:notification];

}

- (IBAction)alarmSetOn:(id)sender{

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    dateFormatter.timeZone = [NSTimeZone defaultTimeZone];
    dateFormatter.timeStyle = NSDateFormatterShortStyle;
    dateFormatter.dateStyle = NSDateFormatterShortStyle;

    NSString *dateTimeString = [dateFormatter stringFromDate:dateTimerPicker.date];
    NSLog(@"Alarm Set: %@", dateTimeString);


    [self scheduleLocalNotificationWithDate:dateTimerPicker.date];
    [self presentMessage:@"Alarm ON!"];


}

- (IBAction)alarmSetOff:(id)sender {
    NSLog(@"Alarm Off");

    [[UIApplication sharedApplication] cancelAllLocalNotifications];
    [self presentMessage:@"Alarm OFF!"];
}

这是我的 VOID:

- (void)playPause {

    RADAppDelegate *appDelegate = (RADAppDelegate *)[[UIApplication sharedApplication] delegate];

    if (appDelegate.radiosound == 0){

        [appDelegate.radiosound play];

    } else {

        [appDelegate.radiosound pause];

    }

}

如果评级为 0，如何设置闹钟以开始播放 radio 声音，例如:

notification.soundName = [self playPause]; 

但我知道这是一个NSString。

Answer 1

您不需要为预定通知分配声音名称，只需调用 playPause 方法并从通知中获取声音文件的名称，如下所示，只需将其分配给 NSString 并设置在 appDelegate 中为其添加属性并访问它来播放该文件。

AppDelegate.h

@property (nonatomic,strong) NSString *nsStr_soundFile;

AppDelegate.m

@synthesize nsStr_soundFile;

- (void)application:(UIApplication *)application
didReceiveLocalNotification:(UILocalNotification *)notification {


//Give call to play sound method.

self.nsStr_soundFile=notification.soundName;
    VOID *obj=[VOID alloc]init];
        [obj playPause];

}