//本地通知，只有在程序处于非运行状态下，才会发送本地通知

    //1.创建本地的通知对象

    UILocalNotification *notification = [[UILocalNotification alloc] init];

    

    //2.设置通知触发的时间

    notification.fireDate = [NSDate dateWithTimeIntervalSinceNow:5];

    

    //3.设置弹出的提示内容

    notification.alertBody = @"消息来了，赶紧去看看吧";

    

    //4.设置按钮的标题

    notification.alertAction = @"提醒";

    

    //注册本地通知，注册之后，通知才会生效

    [[UIApplication sharedApplication] scheduleLocalNotification:notification];

    

    [UIApplication sharedApplication].applicationIconBadgeNumber = 3;

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

    // Override point for customization after application launch.

    

    //在iOS8中，本地通知需要添加以下代码才能正确运行-----得到用户的允许推送通知

    UIUserNotificationType type = UIUserNotificationTypeBadge | UIUserNotificationTypeAlert | UIUserNotificationTypeSound;

    UIUserNotificationSettings *setting = [UIUserNotificationSettings settingsForTypes:type categories:nil];

    [[UIApplication sharedApplication] registerUserNotificationSettings:setting];

    return YES;

}

//点击了弹出的通知后，才会调用下面的方法

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

{

    NSLog(@"App通过本地通知打开了");

    application.applicationIconBadgeNumber = 0;

}