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POHow to know image present at the url
 

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  1. POHow to know image present at the url
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    <p>I have url for image picked using <code>ELCImagePickerController</code>. I stored the url for future reference.</p> <p>I get that URL using:</p> <pre><code>[dict valueForKey:UIImagePickerControllerReferenceURL]; </code></pre> <p>Now the problem arises when after some time user deleted that particular image from photo library and I am going to access that image using URL. My app does not get crashed.</p> <p>I have tried using NSUrl method</p> <pre><code>[imagePath checkResourceIsReachableAndReturnError:&amp;err] </code></pre> <p>as well i tried something like:</p> <pre><code>-(BOOL)findImage:(NSURL*)path { dispatch_group_t group = dispatch_group_create(); dispatch_group_enter(group); __block BOOL flag=YES; ALAssetsLibraryAssetForURLResultBlock resultblock = ^(ALAsset *myasset) { ALAssetRepresentation *rep = [myasset defaultRepresentation]; CGImageRef iref = [rep fullScreenImage]; if (iref) { flag=YES; dispatch_group_leave(group); } }; ALAssetsLibraryAccessFailureBlock failureblock = ^(NSError *myerror) { NSLog(@"cant get image - %@",[myerror localizedDescription]); flag=NO; }; ALAssetsLibrary* assetslibrary = [[ALAssetsLibrary alloc] init]; [assetslibrary assetForURL:path resultBlock:resultblock failureBlock:failureblock]; dispatch_group_wait(group, DISPATCH_TIME_FOREVER); dispatch_release(group); [assetslibrary release]; return flag; } </code></pre> <p>Sample url : </p> <pre><code>assets-library://asset/asset.JPG?id=E862927E-E646-448A-9EB6-A7D48668B3DC&amp;ext=JPG </code></pre> <p>But no success.</p> <p>How to know that image present at particular URL.</p> <p>If any one can help me out on this will be appreciable.</p> <p>Thanks in advance.</p>
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    1. USHarshal Chaudhari
    1. USHarshal Chaudhari
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    1. COhttp://stackoverflow.com/questions/6008399/objective-c-checking-if-url-exists check this it might help you
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      1. POHow to know image present at the url
      1. USPrakash Desai
    2. CO@PrakashDesai I gone through your provided link. I need to check file exist in photo library of iphone/ipad or not.
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      1. USHarshal Chaudhari
    3. COTry [[NSFileManager defaultManager] fileExistsAtPath:imagePath]
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      1. USAlex
 

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