iOS本地推送

通过UILocalNotification 实现本地通知的推送

1 创建通知

UILocalNotification *notification = [[UILocalNotification alloc] init];
notification.fireDate = [NSDate dateWithTimeIntervalSinceNow:10];  
notification.alertTitle = @"打开广播";
notification.alertBody = @"广播";
notification.repeatInterval = NSCalendarUnitSecond;
//设置本地通知的时区
notification.timeZone = [NSTimeZone defaultTimeZone];
//设置角标的个数
notification.applicationIconBadgeNumber=1;
    
notification.userInfo = @{@"info":@"broadcast"};
notification.soundName = UILocalNotificationDefaultSoundName;

2 取消通知

UIApplication *app = [UIApplication sharedApplication];
NSArray *array = [app scheduledLocalNotifications];        
for (UILocalNotification * local in array) {
    NSDictionary *dic = local.userInfo;
    if ([dic[@"info"]  isEqual: @"broadcast"]) {
        //删除指定的通知
        [app cancelLocalNotification:local];
    }
}
//也可以使用[app cancelAllLocalNotifications]删除所有通知;

3 app跳出到后台时，可在下列方法内添加通知提示

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

4 app处于运行阶段时

- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {
    //判断应用程序当前的运行状态是否为激活状态
    if (application.applicationState == UIApplicationStateActive) {
        //只有激活状态 在app运行时本地通知才有效
    }
}