title: Notification action button
body: <p>I create UILocalNotification and UIMutableUserNotificationAction </p>
  
  <p>if I use iphone, this action button it seems BUT I use ipad this action button does not seems </p>
  
  <pre><code>UIMutableUserNotificationAction *action = [[UIMutableUserNotificationAction alloc]init];
      action.identifier = @"ActionNotification";
      action.title = @"START";
      action.activationMode = UIUserNotificationActivationModeForeground;
  
  
  
      UIMutableUserNotificationCategory *categorys = [[UIMutableUserNotificationCategory alloc]init];
      categorys.identifier = @"alert";
      [categorys setActions:@[action] forContext:UIUserNotificationActionContextMinimal];
  
  
      UIUserNotificationSettings *setings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert|UIUserNotificationTypeBadge|UIUserNotificationTypeSound categories:[NSSet setWithObjects:categorys, nil]];
  
  
      [[UIApplication sharedApplication] registerForRemoteNotifications];
      [[UIApplication sharedApplication] registerUserNotificationSettings:setings];
  
  
  
      UILocalNotification *localNotification = [[UILocalNotification alloc] init];
  
      localNotification.fireDate = aIntervalDate;
      //localNotification.fireDate = [NSDate dateWithTimeIntervalSinceNow:5];
      localNotification.alertBody =@"Notification Test";
      localNotification.alertAction=@"START";
      localNotification.category=@"alert";
      localNotification.soundName = @"Reminder_Sound.mp3";
      localNotification.applicationIconBadgeNumber=1;
      // localNotification.hasAction=YES;
      NSDictionary *infoDict = @{@"title" : @"xxxxxx",
                                 @"tipi" : @"yyyyy"};
      localNotification.userInfo = infoDict;
      localNotification.timeZone = [NSTimeZone systemTimeZone];
      [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
  </code></pre>