点击时清除横幅通知

Posted 2023-02-24

【中文标题】点击时清除横幅通知

【英文标题】：Clear Banner Notification When Tapped

【发布时间】：2015-03-21 04:23:50

【问题描述】：

我注意到，当我从通知中心为我的应用选择推送通知时，该通知不再出现在通知列表中。但是，当我收到通知并立即点击横幅时，应用程序会正常打开，但是当我下拉查看通知中心时，该通知仍然存在。我的委托中有以下推送处理代码：

- (void)application:(UIApplication *)application
didReceiveRemoteNotification:(NSDictionary *)userInfo 

    [[UIApplication sharedApplication] cancelAllLocalNotifications];

    //Presenting view controllers...



- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 
    // Override point for customization after application launch.


    // Extract the notification data
    NSDictionary *notificationPayload = launchOptions[UIApplicationLaunchOptionsRemoteNotificationKey];

    if(notificationPayload)
    
        [[UIApplication sharedApplication] cancelAllLocalNotifications];

    
    return YES;


- (void)applicationWillEnterForeground:(UIApplication *)application 
    // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
     application.applicationIconBadgeNumber = 0;
    [[UIApplication sharedApplication] cancelAllLocalNotifications];


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


    // when you tap on any of notification this delegate method will call...
    [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
    [[UIApplication sharedApplication] cancelLocalNotification:notification];

【参考方案1】：

你必须使用以下来删除所有通知

- (void)applicationWillEnterForeground:(UIApplication *)application
    
        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
        [self clearNotifications];
     

- (void)applicationDidBecomeActive:(UIApplication *)application
    
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
        [self clearNotifications];
    

- (void)clearNotifications
    
    [[UIApplication sharedApplication] setApplicationIconBadgeNumber: 1];
    [[UIApplication sharedApplication] setApplicationIconBadgeNumber: 0];
    [[UIApplication sharedApplication] cancelAllLocalNotifications];
    

【讨论】：

这不起作用。点击横幅后，通知仍然出现在通知中心。

从所有地方删除以下内容：[[UIApplication sharedApplication] setApplicationIconBadgeNumber:0]; [[UIApplication sharedApplication] cancelLocalNotification:notification];

点击Banner后，通知中心仍然出现。

您在横幅通知一发送就点击它？我不是在谈论在通知中心点击通知，那些工作正常。

这将清除所有通知。它不仅会清除选定的通知。

【参考方案2】：

你可以实现这个委托方法：

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

     [application cancelLocalNotification:notification];
    

【讨论】：

这不起作用。点击横幅后，通知仍会出现在通知中心。我忘了补充说我已经实现了这个方法。