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I'm trying to move a video I create from images within my app from a temporary path to the photo library. I've verified that the movie exists by downloading the app data via devices/xcode and the movie then plays fine on my macbook. I've tried: UISaveVideoAtPathToSavedPhotosAlbum(             videoPath,             self,             #selector(self.video(_:didFinishSavingWithError:contextInfo:)),             nil) with Error: Optional(Error Domain=ALAssetsLibraryErrorDomain Code=-1 "Unknown error" UserInfo={NSLocalizedDescription=Unknown error, NSUnderlyingError=0x283684570 {Error Domain=ALAssetsLibraryErrorDomain Code=-1 "Unknown error" UserInfo={NSLocalizedDescription=Unknown error, NSUnderlyingError=0x283681860 {Error Domain=ALAssetsLibraryErrorDomain Code=-1 "Unknown error" UserInfo={NSLocalizedDescription=Unknown error, NSUnderlyingError=0x28366e490 {Error Domain=com.apple.photos.error Code=42001 "(null)"}}}}}}) and PHPhotoLibrary.requestAuthorization { status in       // Return if unauthorized       guard status == .authorized else {         print("Error saving video: unauthorized access")         return       }       PHPhotoLibrary.shared().performChanges({         PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: videoURL as URL)       }) { success, error in         if !success {           print("Error saving video: \(String(describing: error))")         }       }     } with Error: Domain=ALAssetsLibraryErrorDomain Code=-1 "Unknown error" UserInfo= ...... {Error Domain=com.apple.photos.error Code=42001 "(null)" both compile fine and are called, but end up giving me errors that do not help in the slightest. I have a full help request on StackOverflow with a link to the project (that it does not let me post here): https://stackoverflow.com/questions/63575539/swift-ios-save-video-to-library

I simply can't find documentation on how to implement live wallpaper. Questions in the forum are all outdated and with very little information. I did find this forum info describing the format and I've tried my best to create the mp4 as described: https://developer.apple.com/forums/thread/18610 My app can currently share mp4's and I can save it into my photo-library. I can't seem to use any of the mp4 for live-wallpaper though. I'm using Swift and have tried pretty much all of the AVVideoCodecType's to no awail.

I'm trying to move a video to the photo library and I'm getting very unhelpful errors. Is there any way to get more detailed error information, or is there some place I can look them up? I've verified that the movie exists by downloading the app data via devices/xcode and the movie plays fine on my macbook. I have a full help request on StackOverflow with a link to the project (that it does not let me post here): https://stackoverflow.com/questions/63575539/swift-ios-save-video-to-library I've tried:     PHPhotoLibrary.requestAuthorization { status in       // Return if unauthorized       guard status == .authorized else {         print("Error saving video: unauthorized access")         return       }       PHPhotoLibrary.shared().performChanges({         PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: videoURL as URL)       }) { success, error in         if !success {           print("Error saving video: \(String(describing: error))")         }       }     }   } with Error: Error saving video: Optional(Error Domain=PHPhotosErrorDomain Code=-1 "(null)") and UISaveVideoAtPathToSavedPhotosAlbum(             videoPath,             self,             #selector(self.video(_:didFinishSavingWithError:contextInfo:)),             nil) with Error: Domain=ALAssetsLibraryErrorDomain Code=-1 "Unknown error" UserInfo= ...... {Error Domain=com.apple.photos.error Code=42001 "(null)" both compile fine and are called. But end up giving me errors that do not help in the slightest.

I'm required to offer the user a way to restore their purchases (from another device). For this I am required to add a button. I would like to only provide this button if there is actually something to restore. Is there a way to query if the device owner has any receipt for the app.

I'm finding XCode quite tedious in some cases. I am using Cordova to create an XCode project, archive and upload to the app store. Took quite some time and first thing I noticed was that the app identifier was not correct. XCode was showing one thing, but the archive was reporting another. Restarting XCode gave me the same one the Archive was showing, so I could fix the issue. I then uploaded the Archive and was met with a response telling me to update the Build number... come on. 15min down the drain for nothing.Request- use the bundle identifier that is shown in XCode for Archives/Builds, or update it when changed in the project files.- offer a auto-increment build number checkbox, that just increments the final digit