在tableview中延迟加载图像

问题描述

限时删除！！

我试图以懒惰模式加载我的uitableviewcells的图像。

Im trying to load the image of my uitableviewcells in lazy mode.

我试图以最简单的方式做到这一点，我看到了很多例子但他们的目的远远超出了我的目的。

I'm trying to do it in the simplest possible way, I saw a lot of examples but they were going further than my purpose.

这就是我目前正在做的事情，它不起作用：

This is what Im doing currently, and its not working:

// Configure the cell...
    Info *info = [self.Array objectAtIndex:indexPath.row];
    cell.textLabel.text = info.name;
    cell.detailTextLabel.text = info.platform;
    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;


    //The image is downloaded in asynchronous

    NSBlockOperation *downloadingImgBlock = [NSBlockOperation blockOperationWithBlock:^{
        NSString* imageURL = info.imgURL;
        NSData* imageData = [[NSData alloc]initWithContentsOfURL:[NSURL URLWithString:imageURL]];
        cell.imageView.image = [UIImage imageWithData:imageData];
    }];
[self.queue addOperation:downloadingImgBlock];

为什么它不起作用？它是如何工作的？

Why it's not working? And how could it work?

推荐答案

我终于设法用以下方式设置图像：

I finally managed to do it setting the image with:

– performSelectorOnMainThread:withObject:waitUntilDone:

下载图像后

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