/// <summary>
/// Disconnects the MLCamera if it was ever created or connected.
/// </summary>
private void DisableMLCamera()
{
lock (_cameraLockObject)
{
if (MLCamera.IsStarted)
{
MLCamera.Disconnect();
// Explicitly set to false here as the disconnect was attempted.
_isCameraConnected = false;
MLCamera.Stop();
}
}
}
/// <summary>
/// Disconnects the MLCamera if it was ever created or connected.
/// Also stops any video recording if active.
/// </summary>
private void DisableMLCamera()
{
if (MLCamera.IsStarted)
{
if (_isCapturing)
{
EndCapture();
}
MLCamera.Disconnect();
_isCameraConnected = false;
MLCamera.Stop();
}
}
/// <summary>
/// Disconnects the MLCamera if it was ever created or connected.
/// Also stops any video recording if active.
/// </summary>
private void DisableMLCamera()
{
if (MLCamera.IsStarted)
{
if (_isCapturing)
{
EndCapture();
}
MLCamera.Disconnect();
_isCameraConnected = false;
MLCamera.Stop();
MLCamera.OnRawVideoFrameAvailableYUV -= OnRawCaptureDataReceived;
}
}
/// <summary>
/// Disconnects the MLCamera if it was ever created or connected.
/// Also stops any video recording if active.
/// </summary>
private void DisableMLCamera()
{
#if PLATFORM_LUMIN
if (MLCamera.IsStarted)
{
if (_isCapturing)
{
EndCapture();
}
MLCamera.Disconnect();
_isCameraConnected = false;
MLCamera.Stop();
if (_rawVideoCaptureMode)
{
MLCamera.OnRawVideoFrameAvailableYUV -= OnRawCaptureDataReceived;
}
}
#endif
}
public void Disable()
{
MLCamera.StopPreview().ThrowIfFail();
MLCamera.Disconnect().ThrowIfFail();
MLCamera.Stop();
}
async UniTask DoStart()
{
// Get a WiFi privilege
await MLUtils.RequestPrivilege(MLPrivilegeId.LocalAreaNetwork);
_credentials.ClearStorage();
_client = new TWClient(_credentials, _credentials);
_onApplicationResume = new Subject <Unit>();
ClearLines();
AppendLine("You may use a dummy Twitter account for this demo.");
AppendLine("Press Trigger button to start...");
// Wait for a trigger by user
await MLUtils.OnTriggerUpAsObservable().ToUniTask(useFirstValue: true);
ClearLines();
AppendLine("You'll be prompted to open Helio shortly...");
// Initiate 3-legged authentication.
// Callback URL must be your app's URI configured in the manifest,
// also must be registered in your Twitter app's "Callback URLs" list.
// See https://forum.magicleap.com/hc/en-us/community/posts/360042601671
// and https://developer.twitter.com/en/docs/basics/apps/guides/callback-urls
string authUrl = await _client.GetUserAuthenticationUrl(_credentials.CallbackUrl);
// Open the URL on Helio and let user log in to Twitter
MLDispatcher.TryOpenAppropriateApplication(authUrl).ThrowIfFail();
ClearLines();
AppendLine("Waiting for a redirect from Helio...");
AppendLine("(if you'd like to retry, please exit all apps)");
/* Magic Leap's dispatcher is generally immature and
* you'll find MANY causes of failure here
* but for this demo I just let user initialize everything in such cases
* for the simplicity of this code...
*/
// Wait for getting redirected from Helio
await _onApplicationResume.ToUniTask(useFirstValue : true);
// Authorize using the redirect URL sent from Helio
var redirectUrl = Environment.GetCommandLineArgs()[0];
await _client.AuthorizeUser(redirectUrl);
ClearLines();
AppendLine("Authorized with your Twitter account!");
AppendLine("Press Trigger button to tweet on your account");
AppendLine("Please end this demo if your account is public)");
// Wait for a trigger by user
await MLUtils.OnTriggerUpAsObservable().ToUniTask(useFirstValue: true);
// Tweet a sample text (note that all characters survive URL encoding)
await _client.UpdateStatus("Tweeting from #MagicLeap using MLTwitter https://github.com/ryo0ka/MLTwitter");
// Get the authorized user's latest status (which is the tweet above)
var user = await _client.VerifyCredentials();
// Present the tweet to user
await _statusView.Show(user);
ClearLines();
AppendLine("Check out your new tweet!");
AppendLine("Press Trigger button to move on to the next demo...");
// Wait for a trigger by user
await MLUtils.OnTriggerUpAsObservable().ToUniTask(useFirstValue: true);
// Hide the twitter ui
await _statusView.Hide();
ClearLines();
AppendLine("Press Trigger button to start video capture & upload...");
AppendLine("(Tweet will contain a video captured from now.");
AppendLine("Please end this demo if your privacy is concerned)");
// Wait for a trigger by user
await MLUtils.OnTriggerUpAsObservable().ToUniTask(useFirstValue: true);
// Make a file path for the video
string videoFilePath = Path.Combine(Application.temporaryCachePath, "video.mp4");
// Update privileges just in case
await MLUtils.RequestPrivilege(MLPrivilegeId.LocalAreaNetwork);
await MLUtils.RequestPrivilege(MLPrivilegeId.CameraCapture);
await MLUtils.RequestPrivilege(MLPrivilegeId.AudioCaptureMic);
// Start video recording
MLCamera.Start().ThrowIfFail();
MLCamera.Connect().ThrowIfFail();
MLCamera.StartVideoCapture(videoFilePath);
ClearLines();
AppendLine("Press Trigger button to STOP video capture and upload it on Twitter...");
// Wait for a trigger by user
await MLUtils.OnTriggerUpAsObservable().ToUniTask(useFirstValue: true);
// Stop video recording
MLCamera.StopVideoCapture().ThrowIfFail();
ClearLines();
AppendLine("Stoped video capture. Encoding...");
// Wait until encoding is over
await MLUtils.OnCaptureCompletedAsObservable().ToUniTask(useFirstValue: true);
// Stop capture service
MLCamera.Disconnect().ThrowIfFail();
MLCamera.Stop();
ClearLines();
AppendLine("Finished encoding. Uploading to Twitter...");
// Read the video file
byte[] video = File.ReadAllBytes(videoFilePath);
// Upload the video to Twitter (this is just a media upload; not a tweet)
string videoMediaId = await _client.UploadVideo(video, (upload, encode) =>
{
ClearLines();
AppendLine($"Uploading: {upload * 100:0}% done, encoding: {encode * 100:0}% done...");
});
// Tweet the video
await _client.UpdateStatus("Uploading a video capture from #MagicLeap using MLTwitter", videoMediaId);
// Present the tweet to user
user = await _client.VerifyCredentials();
await _statusView.Show(user);
ClearLines();
AppendLine("Check out your new tweet!");
AppendLine("");
AppendLine("You've reached the end of this demo.");
AppendLine("Press Trigger button to exit the app...");
// Wait for a trigger by user
await MLUtils.OnTriggerUpAsObservable().ToUniTask(useFirstValue: true);
// Cool animation
await _statusView.Hide();
Application.Quit();
}