iOS闹钟实现

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UILocalNotification *notification=[[UILocalNotification alloc] init];
        if (notification!=nil)
        {
           
            NSDate *now=[NSDate new];
          
            //notification.fireDate=[now addTimeInterval:period];
            notification.fireDate = [now dateByAddingTimeInterval:period];
            NSLog(@"%d",period);
            notification.timeZone=[NSTimeZone defaultTimeZone];
            notification.soundName = @"ping.caf";
            //notification.alertBody=@"TIME！";
           
            notification.alertBody = [NSString stringWithFormat:@"@%时间到了!",nameStr];
           
            NSDictionary* info = [NSDictionary dictionaryWithObject:uniqueCodeStr forKey:CODE];
            notification.userInfo = info;
           
            [[UIApplication sharedApplication] scheduleLocalNotification:notification];     
           
        }

设置的时间到了以后，会自动在桌面弹出一个提示框，点显示后，就可以启动软件。然后在
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    UILocalNotification *localNotif = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey];
    if (localNotif)
    {
        NSLog(@"Recieved Notification %@",localNotif);
        NSDictionary* infoDic = localNotif.userInfo;
        NSLog(@"userInfo description=%@",[infoDic description]);
        NSString* codeStr = [infoDic objectForKey:CODE];
    }
}里，对lanchOptions进行处理，找到它里面的信息,就可以拿到设置时的需要处理的东西，就可以继续操作了。

如果此时你的客户端 软件仍在打开，则会调用
- (void)application:(UIApplication *)app didReceiveLocalNotification:(UILocalNotification *)notif
{

}
一样的处理方法。

iOS闹钟实现

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原文地址：http://www.cnblogs.com/jgCho/p/5194522.html