當應用程序的狀態處於非活動狀態時是否可以獲取本地通知

Question

我正在開發一個iOS應用程序，並且我必須獲取本地通知，但是在應用程序狀態爲非活動狀態的情況下。當應用程序處於後臺狀態時，我成功地收到通知。 那麼，當應用程序處於非活動狀態時，是否可以獲取本地通知？ 或者，也許這隻有通過使用推送通知纔有可能？

問候， 阿爾緬

Answer 1

你需要到當地的響應通知在兩個地方在你的應用程序代理：

- (BOOL) application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 

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

第一種是當你的應用程序沒有運行 - 使用launchOptions參數檢查您的應用是否因本地通知而啓動。

第二個是當你的應用程序當前正在運行（活動或不活動）。您可以通過檢查application:didReceiveLocalNotification:方法中的NSApplication的applicationState屬性來檢查應用程序是否處於非活動狀態。

Answer 2

- (void)sendNotification 
{ 
    UILocalNotification *localNotification = [[UILocalNotification alloc] init]; 
// notification.repeatInterval = NSDayCalendarUnit; 
    localNotification.fireDate = vwPicker.date; 
    localNotification.alertBody = txtAlarmTitle.text; 
    localNotification.timeZone = [NSTimeZone defaultTimeZone]; 
    localNotification.userInfo = @{@"Title": txtAlarmTitle.text}; 
    localNotification.applicationIconBadgeNumber = [[UIApplication sharedApplication] applicationIconBadgeNumber] + 1; 

    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification]; 
} 


- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification 
{ 
    [self handleNotification:notification application:application]; 
} 

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 
{ 
    UILocalNotification *localNotification = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey]; 
    if (localNotification) 
     [self handleNotification:localNotification application:application]; 

    return YES; 
} 

-(void)handleNotification: (UILocalNotification *)notification application:(UIApplication *)application 
{ 
    NSString *title = [notification.userInfo objectForKey:@"Title"]; 

    [[[UIAlertView alloc]initWithTitle:@"Smart Alarm" message:title delegate:self cancelButtonTitle:@"Answer the Teaser" otherButtonTitles: nil] show]; 

    application.applicationIconBadgeNumber = 0; 
}