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我正在开发一个 iOS 应用程序,我必须获得本地通知,但如果应用程序的状态处于非活动状态。当应用程序处于后台状态时,我成功收到通知。那么,当应用程序处于非活动状态时,是否可以获得本地通知?或者也许只有使用推送通知才能做到这一点?

问候, 阿门

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3 回答 3

9

您需要在应用委托的两个位置响应本地通知:

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

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

第一个是当您的应用程序未运行时 - 使用该launchOptions参数检查您的应用程序是否由于本地通知而启动。

第二个是您的应用程序当前正在运行的时间(活动或非活动)。applicationState您可以通过检查方法中的 NSApplication 属性来检查应用程序是否处于非活动状态application:didReceiveLocalNotification:

于 2012-02-03T11:06:22.337 回答
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;
}
于 2014-08-22T20:11:17.303 回答
0

当然,只需使用此处willResignActiveNotification列出的通知侦听器

于 2018-06-19T07:53:40.807 回答