本地推送UILocalNotification soundName前台为什么没有声音

1.当程序在不在前台运行时，系统会自动触发你指定的 soundName alertBody
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UILocalNotification* notification = [[UILocalNotification alloc] init];







notification.timeZone = [NSTimeZone defaultTimeZone];



notification.soundName = UILocalNotificationDefaultSoundName;



notification.userInfo = aPlan;



NSString* alertBody = @"alert message";



notification.alertBody = alertBody;



[[UIApplication sharedApplication] scheduleLocalNotification:notification];



[notification release];

2 当程序已经在前台运行时，系统不会触发你指定的soundName alertBody

而是触发AppDelegate中的

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



{



NSDictionary* dict = [notification userInfo];



NSLog(@"dict = %@", dict);



}

其中的dict即为你创建UILocalNotification时候指定的userInfo, 如果需要音效，在此函数中自己实现音效播放即可