[英]How to update notification badge number in iOS's home screen when received push message?
[英]Clearing the badge when received Push Notification
收到推送通知時,如何清除應用程序圖標上顯示的徽章? 一旦用戶點擊了推送通知警報的“查看”或點擊了應用程序圖標,我想清除它。
我懷疑您在談論 SpringBoard 的徽章:
[[UIApplication sharedApplication] setApplicationIconBadgeNumber:0]
徽章計數設置為零
[[UIApplication sharedApplication] setApplicationIconBadgeNumber:0]
使用此代碼取消所有本地通知:
[[UIApplication sharedApplication] cancelAllLocalNotifications];
使用這行代碼取消一個本地通知:
[[UIApplication sharedApplication] cancelLocalNotification:theNotification];
這里的Notification是一個UILocalNotification object,所以為了取消一個特定的通知,你需要抓住它的UILocalNotification。
檢查這個。
對於 Mac OS X Lion,它是:
[NSApp dockTile].badgeLabel = @"";
(Lion 支持徽章類型的推送通知。)
從 Apple 的文檔中,將application.applicationIconBadgeNumber
設置為您希望在徽章上顯示的數字。 如果將其設置為 0,它將被清除。
- (BOOL)application:(UIApplication *)app didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
UILocalNotification *localNotif = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey];
if (localNotif) {
NSString *itemName = [localNotif.userInfo objectForKey:ToDoItemKey];
[viewController displayItem:itemName]; // custom method
application.applicationIconBadgeNumber = localNotif.applicationIconBadgeNumber-1;
}
[window addSubview:viewController.view];
[window makeKeyAndVisible];
return YES;
}
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