void SaveToAlbum(string watermarkedPath)
{
var lib = PHPhotoLibrary.SharedPhotoLibrary;
lib.PerformChanges(() =>
{
var album = PHAssetCollection.FetchAssetCollections(new[] { Xamarin.Essentials.Preferences.Get("iOSAlbumIdentifier", string.Empty) }, null)?.firstObject as PHAssetCollection;
var collectionRequest = PHAssetCollectionChangeRequest.ChangeRequest(album);
if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
var options = new PHAssetResourceCreationOptions
{
ShouldMoveFile = true
};
var changeRequest = PHAssetCreationRequest.CreationRequestForAsset();
changeRequest.AddResource(PHAssetResourceType.Video, NSUrl.FromString(watermarkedPath), options);
collectionRequest.AddAssets(new[] { changeRequest.PlaceholderForCreatedAsset });
}
else
{
var changeRequest2 = PHAssetChangeRequest.FromVideo(NSUrl.FromString(watermarkedPath));
collectionRequest.AddAssets(new[] { changeRequest2.PlaceholderForCreatedAsset });
}
RetrieveLastAssetSaved();
}, (success, err) =>
{
});
}
private void SaveVideoToLibrary(NSUrl outputFileUrl)
{
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset();
var videoResourceOptions = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
creationRequest.AddResource(PHAssetResourceType.Video, outputFileUrl,
videoResourceOptions);
}
public override void DidFinishCapture(AVCapturePhotoOutput captureOutput, AVCaptureResolvedPhotoSettings resolvedSettings, NSError error)
{
if (error != null)
{
Console.WriteLine($"Error capturing photo: {error.LocalizedDescription})");
DidFinish();
return;
}
if (photoData == null)
{
Console.WriteLine("No photo data resource");
DidFinish();
return;
}
PHPhotoLibrary.RequestAuthorization(status =>
{
if (status == PHAuthorizationStatus.Authorized)
{
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() =>
{
var options = new PHAssetResourceCreationOptions
{
UniformTypeIdentifier = RequestedPhotoSettings.ProcessedFileType,
};
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset();
creationRequest.AddResource(PHAssetResourceType.Photo, photoData, options);
var url = livePhotoCompanionMovieUrl;
if (url != null)
{
var livePhotoCompanionMovieFileResourceOptions = new PHAssetResourceCreationOptions
{
ShouldMoveFile = true
};
creationRequest.AddResource(PHAssetResourceType.PairedVideo, url, livePhotoCompanionMovieFileResourceOptions);
}
}, (success, err) =>
{
if (err != null)
{
Console.WriteLine($"Error occurered while saving photo to photo library: {error.LocalizedDescription}");
}
DidFinish();
});
}
else
{
DidFinish();
}
});
}
// キャプチャー後処理
public override void DidFinishCapture(AVCapturePhotoOutput captureOutput, AVCaptureResolvedPhotoSettings resolvedSettings, NSError error)
{
if (error != null)
{
Console.WriteLine($"Error capturing photo: {error.LocalizedDescription})");
return;
}
if (photoData == null)
{
Console.WriteLine("No photo data resource");
return;
}
// 撮影したラベル画像をフォトアルバムに保存するか
// フォトアルバムに保存する必要が出てきた真偽値をTrueにする
bool IsSaveToPhotoAlbum = false;
// 画像を保存するかどうかの判定
if (IsSaveToPhotoAlbum)
{
// 撮影した画像を保存する処理
PHPhotoLibrary.RequestAuthorization(status =>
{
if (status == PHAuthorizationStatus.Authorized)
{
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() =>
{
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset();
creationRequest.AddResource(PHAssetResourceType.Photo, photoData, null);
var url = livePhotoCompanionMovieUrl;
if (url != null)
{
var livePhotoCompanionMovieFileResourceOptions = new PHAssetResourceCreationOptions
{
ShouldMoveFile = true
};
creationRequest.AddResource(PHAssetResourceType.PairedVideo, url, livePhotoCompanionMovieFileResourceOptions);
}
}, (success, err) =>
{
if (err != null)
{
Console.WriteLine($"Error occurered while saving photo to photo library: {error.LocalizedDescription}");
}
});
}
});
}
}
private void TryToAddPhotoToLibrary()
{
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset();
creationRequest.AddResource(PHAssetResourceType.Photo, PhotoData, null);
if (_livePhotoCompanionMovieUrl == null)
{
return;
}
var livePhotoCompanionMovieFileResourceOptions = new PHAssetResourceCreationOptions
{
ShouldMoveFile = true
};
creationRequest.AddResource(PHAssetResourceType.PairedVideo, _livePhotoCompanionMovieUrl,
livePhotoCompanionMovieFileResourceOptions);
}
public void FinishedRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
/*
* Note that currentBackgroundRecordingID is used to end the background task
* associated with this recording. This allows a new recording to be started,
* associated with a new UIBackgroundTaskIdentifier, once the movie file output's
* `recording` property is back to NO — which happens sometime after this method
* returns.
*
* Note: Since we use a unique file path for each recording, a new recording will
* not overwrite a recording currently being saved.
*/
var currentBackgroundRecordingId = backgroundRecordingId;
backgroundRecordingId = UIApplication.BackgroundTaskInvalid;
Action cleanup = () =>
{
if (NSFileManager.DefaultManager.FileExists(outputFileUrl.Path))
{
NSError tError;
NSFileManager.DefaultManager.Remove(outputFileUrl.Path, out tError);
}
if (currentBackgroundRecordingId != UIApplication.BackgroundTaskInvalid)
{
UIApplication.SharedApplication.EndBackgroundTask(currentBackgroundRecordingId);
}
};
var success = true;
if (error != null)
{
Console.WriteLine($"Movie file finishing error: {error}");
var tmpObj = error.UserInfo[AVErrorKeys.RecordingSuccessfullyFinished];
if (tmpObj is NSNumber)
{
success = ((NSNumber)tmpObj).BoolValue;
}
else if (tmpObj is NSString)
{
success = ((NSString)tmpObj).BoolValue();
}
}
if (success)
{
// Check authorization status.
PHPhotoLibrary.RequestAuthorization((PHAuthorizationStatus status) =>
{
if (status == PHAuthorizationStatus.Authorized)
{
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() =>
{
var options = new PHAssetResourceCreationOptions();
options.ShouldMoveFile = true;
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset();
creationRequest.AddResource(PHAssetResourceType.Video, outputFileUrl, options);
}, (cbSuccess, cbError) =>
{
if (!cbSuccess)
{
Console.WriteLine($"Could not save movie to photo library: {cbError}");
}
cleanup();
});
}
else
{
cleanup();
}
});
}
else
{
cleanup();
}
// Enable the Camera and Record buttons to let the user switch camera and start another recording.
//DispatchQueue.MainQueue.DispatchAsync(() =>
//{
// // Only enable the ability to change camera if the device has more than one camera.
// CameraButton.Enabled = (videoDeviceDiscoverySession.UniqueDevicePositionsCount() > 1);
// RecordButton.Enabled = true;
// CaptureModeControl.Enabled = true;
// RecordButton.SetTitle(NSBundle.MainBundle.LocalizedString(@"Record", @"Recording button record title"), UIControlState.Normal);
//});
}
public void DidFinishCapture (AVCapturePhotoOutput captureOutput, AVCaptureResolvedPhotoSettings resolvedSettings, NSError error)
{
if (error != null) {
Console.WriteLine ($"Error capturing photo: {error.LocalizedDescription})");
DidFinish ();
return;
}
if (photoData == null) {
Console.WriteLine ("No photo data resource");
DidFinish ();
return;
}
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset ();
creationRequest.AddResource (PHAssetResourceType.Photo, photoData, null);
var url = livePhotoCompanionMovieUrl;
if (url != null) {
var livePhotoCompanionMovieFileResourceOptions = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
creationRequest.AddResource (PHAssetResourceType.PairedVideo, url, livePhotoCompanionMovieFileResourceOptions);
}
}, (success, err) => {
if (err != null)
Console.WriteLine ($"Error occurered while saving photo to photo library: {error.LocalizedDescription}");
DidFinish ();
});
} else {
DidFinish ();
}
});
}
public void FinishedRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to false — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
Action cleanup = () => {
var path = outputFileUrl.Path;
if (NSFileManager.DefaultManager.FileExists(path))
{
NSError err;
if (!NSFileManager.DefaultManager.Remove(path, out err))
{
Console.WriteLine($"Could not remove file at url: {outputFileUrl}");
}
}
var currentBackgroundRecordingID = backgroundRecordingID;
if (currentBackgroundRecordingID != -1)
{
backgroundRecordingID = -1;
UIApplication.SharedApplication.EndBackgroundTask(currentBackgroundRecordingID);
}
};
bool success = true;
if (error != null)
{
Console.WriteLine($"Movie file finishing error: {error.LocalizedDescription}");
success = ((NSNumber)error.UserInfo[AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (success)
{
// Check authorization status.
PHPhotoLibrary.RequestAuthorization(status => {
if (status == PHAuthorizationStatus.Authorized)
{
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() => {
var options = new PHAssetResourceCreationOptions
{
ShouldMoveFile = true
};
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset();
creationRequest.AddResource(PHAssetResourceType.Video, outputFileUrl, options);
}, (success2, error2) => {
if (!success2)
{
Console.WriteLine($"Could not save movie to photo library: {error2}");
}
cleanup();
});
}
else
{
cleanup();
}
});
}
else
{
cleanup();
}
// Enable the Camera and Record buttons to let the user switch camera and start another recording.
DispatchQueue.MainQueue.DispatchAsync(() => {
// Only enable the ability to change camera if the device has more than one camera.
CameraButton.Enabled = UniqueDevicePositionsCount(videoDeviceDiscoverySession) > 1;
RecordButton.Enabled = true;
CaptureModeControl.Enabled = true;
RecordButton.SetTitle("Record", UIControlState.Normal);
});
}
public void FinishedRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject [] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to false — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
Action cleanup = () => {
var path = outputFileUrl.Path;
if (NSFileManager.DefaultManager.FileExists (path)) {
NSError err;
if (!NSFileManager.DefaultManager.Remove (path, out err))
Console.WriteLine ($"Could not remove file at url: {outputFileUrl}");
}
var currentBackgroundRecordingID = backgroundRecordingID;
if (currentBackgroundRecordingID != -1) {
backgroundRecordingID = -1;
UIApplication.SharedApplication.EndBackgroundTask (currentBackgroundRecordingID);
}
};
bool success = true;
if (error != null) {
Console.WriteLine ($"Movie file finishing error: {error.LocalizedDescription}");
success = ((NSNumber)error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (success) {
// Check authorization status.
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
var creationRequest = PHAssetCreationRequest.CreationRequestForAsset ();
creationRequest.AddResource (PHAssetResourceType.Video, outputFileUrl, options);
}, (success2, error2) => {
if (!success2)
Console.WriteLine ($"Could not save movie to photo library: {error2}");
cleanup ();
});
} else {
cleanup ();
}
});
} else {
cleanup ();
}
// Enable the Camera and Record buttons to let the user switch camera and start another recording.
DispatchQueue.MainQueue.DispatchAsync (() => {
// Only enable the ability to change camera if the device has more than one camera.
CameraButton.Enabled = UniqueDevicePositionsCount (videoDeviceDiscoverySession) > 1;
RecordButton.Enabled = true;
CaptureModeControl.Enabled = true;
RecordButton.SetTitle ("Record", UIControlState.Normal);
});
}
public static void RestoreFromArchive(string filePath, Action onSuccess = null, Action <NSError> onFailure = null)
{
if (PHPhotoLibrary.AuthorizationStatus != PHAuthorizationStatus.Authorized)
{
onFailure?.Invoke(null);
return;
}
var resources = new List <string>();
var rootPath = Path.Combine(Paths.Temporary, Path.GetFileNameWithoutExtension(filePath));
Directory.CreateDirectory(rootPath);
using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var archive = new ZipArchive(stream, ZipArchiveMode.Read))
{
foreach (var entry in archive.Entries)
{
if (entry.Name == "@")
{
continue;
}
var entryPath = Path.Combine(rootPath, entry.Name);
using (var fileStream = new FileStream(entryPath, FileMode.Create, FileAccess.ReadWrite, FileShare.None))
{ entry.Open().CopyTo(fileStream); }
if (entry.Name.Contains("(Photo)", StringComparison.InvariantCulture) || entry.Name.Contains("(Video)", StringComparison.InvariantCulture))
{
resources.Insert(0, entryPath);
}
else
{
resources.Add(entryPath);
}
}
}
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() =>
{
var request = PHAssetCreationRequest.CreationRequestForAsset();
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
foreach (var path in resources)
{
var fileName = Path.GetFileName(path);
if (fileName.IndexOf('(') != -1)
{
var indexLeft = fileName.IndexOf('(') + 1;
var resourceType = fileName.Substring(indexLeft, fileName.IndexOf(')') - indexLeft);
var type = (PHAssetResourceType)Enum.Parse(typeof(PHAssetResourceType), resourceType);
request.AddResource(type, NSUrl.FromFilename(path), options);
}
}
}, (isSuccess, error) =>
{
try { Directory.Delete(rootPath, true); }
catch { }
if (isSuccess)
{
onSuccess?.Invoke();
}
else
{
onFailure?.Invoke(error);
}
});
}
public void FinishedRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject [] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's Recording property
// is back to false — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
var currentBackgroundRecordingID = backgroundRecordingID;
backgroundRecordingID = -1;
Action cleanup = () => {
NSError err;
if (NSFileManager.DefaultManager.FileExists (outputFileUrl.Path))
NSFileManager.DefaultManager.Remove (outputFileUrl, out err);
if (currentBackgroundRecordingID != -1)
UIApplication.SharedApplication.EndBackgroundTask (currentBackgroundRecordingID);
};
var success = true;
if (error != null) {
Console.WriteLine ($"Error occurred while capturing movie: {error}");
success = error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished].AsBool ();
}
if (success) {
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
// Save the movie file to the photo library and cleanup
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
// In iOS 9 and later, it's possible to move the file into the photo library without duplicating the file data.
// This avoids using double the disk space during save, which can make a difference on devices with limited free disk space.
var options = new PHAssetResourceCreationOptions { ShouldMoveFile = true };
PHAssetCreationRequest changeRequest = PHAssetCreationRequest.CreationRequestForAsset ();
changeRequest.AddResource (PHAssetResourceType.Video, outputFileUrl, options);
}, (result, err) => {
if (!result)
Console.WriteLine ($"Could not save movie to photo library: {err}");
cleanup ();
});
} else {
cleanup ();
}
});
} else {
cleanup ();
}
// Enable the Camera and Record buttons to let the user switch camera and start another recording
DispatchQueue.MainQueue.DispatchAsync (() => {
// Only enable the ability to change camera if the device has more than one camera
CameraButton.Enabled = (AVCaptureDevice.DevicesWithMediaType (AVMediaType.Video).Length > 1);
RecordButton.Enabled = CaptureModeControl.SelectedSegment == (int)CaptureMode.Movie;
RecordButton.SetTitle ("Record", UIControlState.Normal);
CaptureModeControl.Enabled = true;
});
}
void DidFinishProcessingRawPhoto (AVCapturePhotoOutput captureOutput,
CMSampleBuffer rawSampleBuffer, CMSampleBuffer previewPhotoSampleBuffer,
AVCaptureResolvedPhotoSettings resolvedSettings, AVCaptureBracketedStillImageSettings bracketSettings,
NSError error)
{
if (rawSampleBuffer == null) {
Console.WriteLine ($"Error occurred while capturing photo: {error}");
return;
}
var filePath = Path.Combine (Path.GetTempPath (), $"{resolvedSettings.UniqueID}.dng");
NSData imageData = AVCapturePhotoOutput.GetDngPhotoDataRepresentation (rawSampleBuffer, previewPhotoSampleBuffer);
imageData.Save (filePath, true);
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
// In iOS 9 and later, it's possible to move the file into the photo library without duplicating the file data.
// This avoids using double the disk space during save, which can make a difference on devices with limited free disk space.
var options = new PHAssetResourceCreationOptions ();
options.ShouldMoveFile = true;
PHAssetCreationRequest.CreationRequestForAsset ().AddResource (PHAssetResourceType.Photo, filePath, options); // Add move (not copy) option
}, (success, err) => {
if (!success)
Console.WriteLine ($"Error occurred while saving raw photo to photo library: {err}");
else
Console.WriteLine ("Raw photo was saved to photo library");
NSError rErr;
if (NSFileManager.DefaultManager.FileExists (filePath))
NSFileManager.DefaultManager.Remove (filePath, out rErr);
});
} else {
Console.WriteLine ("Not authorized to save photo");
}
});
}
public void FinishedRecording (AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to NO — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
var currentBackgroundRecordingID = backgroundRecordingID;
backgroundRecordingID = -1;
Action cleanup = () => {
NSError err;
NSFileManager.DefaultManager.Remove (outputFileUrl, out err);
if (currentBackgroundRecordingID != -1)
UIApplication.SharedApplication.EndBackgroundTask (currentBackgroundRecordingID);
};
bool success = true;
if (error != null) {
Console.WriteLine ("Movie file finishing error: {0}", error);
success = ((NSNumber)error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (!success) {
cleanup ();
return;
}
// Check authorization status.
PHPhotoLibrary.RequestAuthorization (status => {
if (status == PHAuthorizationStatus.Authorized) {
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
// In iOS 9 and later, it's possible to move the file into the photo library without duplicating the file data.
// This avoids using double the disk space during save, which can make a difference on devices with limited free disk space.
if (UIDevice.CurrentDevice.CheckSystemVersion (9, 0)) {
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
var changeRequest = PHAssetCreationRequest.CreationRequestForAsset ();
changeRequest.AddResource (PHAssetResourceType.Video, outputFileUrl, options);
} else {
PHAssetChangeRequest.FromVideo (outputFileUrl);
}
}, (success2, error2) => {
if (!success2)
Console.WriteLine ("Could not save movie to photo library: {0}", error2);
cleanup ();
});
} else {
cleanup ();
}
});
}
public void FinishedRecording(AVCaptureFileOutput captureOutput, NSUrl outputFileUrl, NSObject[] connections, NSError error)
{
// Note that currentBackgroundRecordingID is used to end the background task associated with this recording.
// This allows a new recording to be started, associated with a new UIBackgroundTaskIdentifier, once the movie file output's isRecording property
// is back to NO — which happens sometime after this method returns.
// Note: Since we use a unique file path for each recording, a new recording will not overwrite a recording currently being saved.
var currentBackgroundRecordingID = backgroundRecordingID;
backgroundRecordingID = -1;
Action cleanup = () => {
NSError err;
NSFileManager.DefaultManager.Remove(outputFileUrl, out err);
if (currentBackgroundRecordingID != -1)
{
UIApplication.SharedApplication.EndBackgroundTask(currentBackgroundRecordingID);
}
};
bool success = true;
if (error != null)
{
Console.WriteLine("Movie file finishing error: {0}", error);
success = ((NSNumber)error.UserInfo [AVErrorKeys.RecordingSuccessfullyFinished]).BoolValue;
}
if (!success)
{
cleanup();
return;
}
// Check authorization status.
PHPhotoLibrary.RequestAuthorization(status => {
if (status == PHAuthorizationStatus.Authorized)
{
// Save the movie file to the photo library and cleanup.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() => {
// In iOS 9 and later, it's possible to move the file into the photo library without duplicating the file data.
// This avoids using double the disk space during save, which can make a difference on devices with limited free disk space.
if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
var options = new PHAssetResourceCreationOptions {
ShouldMoveFile = true
};
var changeRequest = PHAssetCreationRequest.CreationRequestForAsset();
changeRequest.AddResource(PHAssetResourceType.Video, outputFileUrl, options);
}
else
{
PHAssetChangeRequest.FromVideo(outputFileUrl);
}
}, (success2, error2) => {
if (!success2)
{
Console.WriteLine("Could not save movie to photo library: {0}", error2);
}
cleanup();
});
}
else
{
cleanup();
}
});
}
