private void startCameraSource()
{
try
{
textRecognizer = new TextRecognizer.Builder(this).Build();
if (!textRecognizer.IsOperational)
{
System.Diagnostics.Debug.WriteLine("Detector dependencies not loaded yet");
}
else
{
mCameraSource = new CameraSource.Builder(this, textRecognizer)
.SetFacing(CameraFacing.Back)
.SetRequestedPreviewSize(1280, 1024)
.SetAutoFocusEnabled(true)
.SetRequestedFps(2.0f)
.Build();
mCameraView.Holder.AddCallback(this);
textRecognizer.SetProcessor(this);
if (ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) == Android.Content.PM.Permission.Granted)
{
mCameraSource.Start(mCameraView.Holder);
}
else
{
ActivityCompat.RequestPermissions(this,
new String[] { Manifest.Permission.Camera },
requestPermissionID);
}
}
}
catch (Exception ex)
{
}
}
public void CrearTextRecognizer()
{
textRecognizer = new TextRecognizer.Builder(ApplicationContext).Build();
if (!textRecognizer.IsOperational)
{
Log.Error("Aviso:", "Detector no disponible!");
}
else
{
// Caracteristicas del CameraSource
cameraSource = new CameraSource.Builder(ApplicationContext, textRecognizer)
.SetFacing(CameraFacing.Back) //Camara seleccionada
.SetRequestedPreviewSize(1920, 1080) //Tamaño de la vista previa en uso por la camara
.SetRequestedFps(2.0f) //Velocidad de fotogramas (En fotogramas por segundo)
.SetAutoFocusEnabled(true) //Autoenfoque
.Build();
cameraView.Holder.AddCallback(this); //Recibe informacion del SurfaceView.
textRecognizer.SetProcessor(this); //Estable Iprocessor para el textRecognizer.
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
surfaceView = FindViewById <SurfaceView>(Resource.Id.surface_view);
textView = FindViewById <TextView>(Resource.Id.txt_view);
capture = FindViewById <ImageView>(Resource.Id.imageView2);
mainLayout = FindViewById <LinearLayout>(Resource.Id.mainmenulayout);
captureLayout = FindViewById <LinearLayout>(Resource.Id.capturemenulayout);
back = FindViewById <ImageView>(Resource.Id.imageView4);
speak = FindViewById <ImageView>(Resource.Id.imageView5);
translate = FindViewById <ImageView>(Resource.Id.imageView6);
settings = FindViewById <ImageView>(Resource.Id.imageView3);
gallery = FindViewById <ImageView>(Resource.Id.imageView1);
selectedimage = FindViewById <ImageView>(Resource.Id.imageView7);
capture.Click += (sender, e) =>
{
cameraSource.Stop();
mainLayout.Visibility = ViewStates.Gone;
captureLayout.Visibility = ViewStates.Visible;
textView.FocusableInTouchMode = true;
};
back.Click += (sender, e) =>
{
captureLayout.Visibility = ViewStates.Gone;
selectedimage.Visibility = ViewStates.Gone;
mainLayout.Visibility = ViewStates.Visible;
surfaceView.Visibility = ViewStates.Visible;
cameraSource.Start(surfaceView.Holder);
};
gallery.Click += (sender, e) =>
{
cameraSource.Stop();
Intent galleryIntent = new Intent();
galleryIntent.SetType("image/*");
galleryIntent.SetAction(Intent.ActionGetContent);
StartActivityForResult(Intent.CreateChooser(galleryIntent, "select"), PickImageID);
};
textRecognizer = new TextRecognizer.Builder(ApplicationContext).Build();
if (!textRecognizer.IsOperational)
{
//todo:exception
}
else
{
cameraSource = new CameraSource.Builder(ApplicationContext, textRecognizer)
.SetFacing(CameraFacing.Back)
.SetRequestedPreviewSize(1280, 1024)
.SetRequestedFps(2.0f)
.SetAutoFocusEnabled(true)
.Build();
surfaceView.Holder.AddCallback(this);
textRecognizer.SetProcessor(this);
}
}