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);
});
}
