[
   { "id”:"1”,
    "subscription":"1”,
     "like”:”20”,
      "title”:"ABC”,
    "image”:"https://www.nasa.gov/sites/default/files/styles/image_card_4x3_ratio/public/thumbnails/image/leisa_christmas_false_color.png?itok=Jxf0IlS4
”},
 { "id”:"2”,
    "subscription":"1”,
     "like":"6”,
      "title”:"XYZ”,
    "image”:"https://www.nasa.gov/sites/default/files/styles/image_card_4x3_ratio/public/thumbnails/image/leisa_christmas_false_color.png?itok=Jxf0IlS4
”}, { "id”:"3”,
    "subscription":"1”,
     "like”:"12”,
      "title”:"you”,
    "image”:"https://www.nasa.gov/sites/default/files/styles/image_card_4x3_ratio/public/thumbnails/image/leisa_christmas_false_color.png?itok=Jxf0IlS4
”},
]

- (void)viewDidLoad
{
    NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
    NSString *currentLevelKey = @"PhotoId";

    if ([preferences objectForKey:currentLevelKey] == _Photo_Id)
    {
      [like setHidden:NO];
    }
    else
    {
        //Dis_like.hidden=YES;
    }
}

- (IBAction)Like_Button:(id)sender
{
    like.hidden=YES;
    Dis_like.hidden=NO;
}

- (IBAction)Dis_like_Button:(id)sender
{
    Dis_like.hidden=YES;
    like.hidden=NO;

    NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
    NSString *currentLevelKey = @"PhotoId";
    Str_Photo_id =_Photo_Id;
    [preferences setValue:Str_Photo_id forKey:currentLevelKey];
    //  Save to disk
    const BOOL didSave = [preferences synchronize];
    if (!didSave)
    {
        // Couldn't save (I've never seen this happen in real world testing)
    }
    else
    {
    }
}