protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
mPreview = FindViewById <CameraSourcePreview>(Resource.Id.preview);
mGraphicOverlay = FindViewById <GraphicOverlay>(Resource.Id.faceOverlay);
if (savedInstanceState != null)
{
mIsFrontFacing = savedInstanceState.GetBoolean("IsFrontFacing");
}
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) == Permission.Granted)
{
createCameraSource();
}
else
{
RequestCameraPermission();
}
// Create your application here
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.Main);
mPreview = FindViewById <CameraSourcePreview>(Resource.Id.preview);
mGraphicOverlay = FindViewById <GraphicOverlay>(Resource.Id.faceOverlay);
var detector = new FaceDetector.Builder(Application.Context).Build();
detector.SetProcessor(
new MultiProcessor.Builder(new GraphicFaceTrackerFactory(mGraphicOverlay)).Build());
if (!detector.IsOperational)
{
// Note: The first time that an app using face API is installed on a device, GMS will
// download a native library to the device in order to do detection. Usually this
// completes before the app is run for the first time. But if that download has not yet
// completed, then the above call will not detect any faces.
//
// isOperational() can be used to check if the required native library is currently
// available. The detector will automatically become operational once the library
// download completes on device.
Android.Util.Log.Warn(TAG, "Face detector dependencies are not yet available.");
}
mCameraSource = new CameraSource.Builder(Application.Context, detector)
.SetRequestedPreviewSize(640, 480)
.SetFacing(CameraFacing.Back)
.SetRequestedFps(30.0f)
.Build();
}
/**
* Starts or restarts the camera source, if it exists. If the camera source doesn't exist yet
* (e.g., because onResume was called before the camera source was created), this will be called
* again when the camera source is created.
*/
private void StartCameraSource()
{
try
{
CameraSourcePreview.Start(MCameraSource, MGraphicOverlay);
}
catch (Exception e)
{
Android.Util.Log.Error(TAG, "Unable to start camera source.", e);
MCameraSource.Release();
MGraphicOverlay = null;
// Crashlytics.Crashlytics.LogException(Java.Lang.Throwable.FromException(e));
}
}
protected override async void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.FaceIdentify);
this.cameraPreview = this.FindViewById <CameraSourcePreview>(Resource.Id.preview);
this.graphicOverlay = this.FindViewById <GraphicOverlay>(Resource.Id.faceOverlay);
var button = (ImageButton)this.FindViewById(Resource.Id.flipButton);
button.Click += (sender, args) =>
{
this.isFrontFacing = !this.isFrontFacing;
if (this.cameraSource != null)
{
this.cameraSource.Release();
this.cameraSource = null;
}
this.CreateCameraSource();
this.StartCameraSource();
};
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) == Permission.Granted)
{
this.CreateCameraSource();
LiveCamHelper.Init();
LiveCamHelper.GreetingsCallback = (s) => { this.RunOnUiThread(() => Greetings = s); };
LiveCamHelper.FacesDetectedCallback = result => { this.RunOnUiThread(() => CognitiveFacesResult = result); };
this.faceService = new FaceService();
await this.faceService.Initialize();
//using (var stream = File.OpenRead("/data/user/0/CognitiveDemo.Droid/files/CognitivveFrame.png"))
//{
// await this.faceService.IdentityFace(stream);
//}
}
else
{
this.RequestCameraPermission();
}
}
protected override void OnLayout(bool changed, int l, int t, int r, int b)
{
base.OnLayout(changed, l, t, r, b);
if (MainLayout != null)
{
var width = r - l;
var height = b - t;
var msw = MeasureSpec.MakeMeasureSpec(width, MeasureSpecMode.Exactly);
var msh = MeasureSpec.MakeMeasureSpec(height, MeasureSpecMode.Exactly);
MainLayout.Measure(msw, msh);
MainLayout.Layout(0, 0, width, height);
CameraSourcePreview.Layout(0, 0, width, height);
//ControlsBox.Layout(0, 0, width, );
}
base.OnLayout(changed, l, t, r, b);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.face_recognition);
BTArduino = new BlueToothConnectionPortable();
mPreview = FindViewById <CameraSourcePreview>(Resource.Id.preview);
mGraphicOverlay = FindViewById <GraphicOverlay>(Resource.Id.faceOverlay);
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) == Permission.Granted)
{
CreateCameraSource();
LiveCamHelper.Init();
LiveCamHelper.GreetingsCallback = (s) => { RunOnUiThread(() => GreetingsText = s); };
//Task.Run(() => LiveCamHelper.RegisterFaces());
}
else
{
RequestCameraPermission();
}
}
public Scanner(CameraSourcePreview preview, GraphicOverlay graphicOverlay, Context applicationContext)
{
_preview = preview;
_graphicOverlay = graphicOverlay;
_applicationContext = applicationContext;
}