When there is no permission given to the app to save an image to the photo roll no feedback function are being called. (iOS 6.1.2)
To simulate this, go to settings > privacy > photos then disable access to photos for the specific app.
It will throw the following error:
ERROR: Error Domain=ALAssetsLibraryErrorDomain Code=-3310 "Data unavailable" UserInfo=0x1f0836e0 {NSLocalizedRecoverySuggestion=Launch the Photos application, NSUnderlyingError=0x1e5bdb10 "Data unavailable", NSLocalizedDescription=Data unavailable}
After that it does not seem to call the webview callbacks.
When there is no permission given to the app to save an image to the photo roll no feedback function are being called. (iOS 6.1.2)
To simulate this, go to settings > privacy > photos then disable access to photos for the specific app.
It will throw the following error:
ERROR: Error Domain=ALAssetsLibraryErrorDomain Code=-3310 "Data unavailable" UserInfo=0x1f0836e0 {NSLocalizedRecoverySuggestion=Launch the Photos application, NSUnderlyingError=0x1e5bdb10 "Data unavailable", NSLocalizedDescription=Data unavailable}
After that it does not seem to call the webview callbacks.