註冊 iPhone 多工背景播放音樂

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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    
 
    // Override point for customization after application launch.
    [self.window addSubview:tabBarController.view];
    [self.window makeKeyAndVisible];
 
	UIDevice *thisDevice = [UIDevice currentDevice];
 
	if([thisDevice respondsToSelector:@selector(isMultitaskingSupported)]
	   && thisDevice.multitaskingSupported) {
		UIBackgroundTaskIdentifier backgroundTask = [application beginBackgroundTaskWithExpirationHandler:^{
			/* just fail if this happens. */
			NSLog(@"BackgroundTask Expiration Handler is called");
			[application endBackgroundTask:backgroundTask];
		}];
	}
 
    return YES;
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after application launch. [self.window addSubview:tabBarController.view]; [self.window makeKeyAndVisible]; UIDevice *thisDevice = [UIDevice currentDevice]; if([thisDevice respondsToSelector:@selector(isMultitaskingSupported)] && thisDevice.multitaskingSupported) { UIBackgroundTaskIdentifier backgroundTask = [application beginBackgroundTaskWithExpirationHandler:^{ /* just fail if this happens. */ NSLog(@"BackgroundTask Expiration Handler is called"); [application endBackgroundTask:backgroundTask]; }]; } return YES; }