表格视图滚动问题.我只想显示大量的图像;但是它减慢了表格的滚动速度.它如何才能表现得更好

Question

中央调度中心

 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
    url_Img1=@"http://kiascenehai.pk/assets/uploads/event-images/50x50-thumb/";
    url_Img2=userObj.event_dpURL;
    url_Img_FULL = [url_Img1 stringByAppendingPathComponent:url_Img2];
    [arr addObject:url_Img_FULL];
    NSUserDefaults * userDefault = [NSUserDefaults standardUserDefaults];
    [userDefault setObject:userObj.event_dpURL forKey:@"dpURL"];
    [userDefault synchronize];
     result = [userDefault objectForKey:@"dpURL"];
     dispatch_async(dispatch_get_main_queue(), ^{
     [tableData addObjectsFromArray:retrievedData];
     [table reloadData];
     });
    });
}

Answer 1

您可以使用AFNetworking Library从web快速加载图像。

您可以从https://github.com/AFNetworking/AFNetworking链接获得此库