2016-09-24 44 views

回答

0

在MWGridViewController中,cellForRow中的代碼。通過使用通知來請求圖像的原始方法。現在我用block來改變它。它適合我。

//my code 
[photo requestImageForAsset:photo.asset size:CGSizeMake(cell.width * 2, cell.height * 2) resizeMode:PHImageRequestOptionsResizeModeFast completion:^(UIImage *image, NSDictionary *info) { 
    if(image){ 
     photo.loadingInProgress = NO; 
     cell.imageView.image = image; 
     [cell hideLoadingIndicator]; 
     cell.selectedButton.hidden = !_selectionMode; 
     [cell hideImageFailure]; 
    } 
}]; 
//original code 
UIImage *img = [_browser imageForPhoto:photo]; 
if (img) { 
    [cell displayImage]; 
} else { 
    [photo loadUnderlyingImageAndNotify]; 
}