/// <summary>
/// Set the recognition parameters, call the recognizer capture interface for recognition,
/// and the recognition result will be returned through the callback function.
/// </summary>
/// <param name="myObj"></param>
/// <param name="callBack">The callback of cards analyse.</param>
private void StartCaptureActivity(Java.Lang.Object myObj, MLGcrCaptureCallback callBack)
{
MLGcrCaptureConfig cardConfig = new MLGcrCaptureConfig.Factory().Create();
MLGcrCaptureUIConfig uiConfig = new MLGcrCaptureUIConfig.Factory()
.SetScanBoxCornerColor(Color.Green)
.SetTipText("Recognizing, align edges")
.SetOrientation(MLGcrCaptureUIConfig.OrientationAuto).Create();
MLGcrCapture ocrManager = MLGcrCaptureFactory.Instance.GetGcrCapture(cardConfig, uiConfig);
ocrManager.CapturePreview(this, myObj, callBack);
}
/// <summary>
/// Detect input card bitmap.
/// </summary>
/// <param name="bitmap"></param>
/// <param name="myObj"></param>
/// <param name="callback"></param>
private void StartLocalImageActivity(Bitmap bitmap, Java.Lang.Object myObj, MLGcrCaptureCallback callback)
{
if (bitmap == null)
{
this.mTextView.Text = "No card image to recognition.";
return;
}
MLGcrCaptureConfig config = new MLGcrCaptureConfig.Factory().Create();
MLGcrCapture ocrManager = MLGcrCaptureFactory.Instance.GetGcrCapture(config);
ocrManager.CaptureImage(bitmap, myObj, callback);
}
/// <summary>
/// Use the plug-in to take a picture of the card and recognize.
/// </summary>
/// <param name="myObj"></param>
/// <param name="callback"></param>
private void StartTakePhotoActivity(Java.Lang.Object myObj, MLGcrCaptureCallback callback)
{
MLGcrCaptureConfig cardConfig = new MLGcrCaptureConfig.Factory().Create();
MLGcrCaptureUIConfig uiConfig = new MLGcrCaptureUIConfig.Factory()
.SetScanBoxCornerColor(Color.Blue)
.SetTipText("Taking EEP to HK/Macau picture")
.SetOrientation(MLGcrCaptureUIConfig.OrientationAuto).Create();
// Create a general card identification processor using the custom interface.
MLGcrCapture ocrManager = MLGcrCaptureFactory.Instance.GetGcrCapture(cardConfig, uiConfig);
// Create a general card identification processor using the default interface.
// MLGcrCapture ocrManager = MLGcrCaptureFactory.Instance.GetGcrCapture(cardConfig);
ocrManager.CapturePhoto(this, myObj, callback);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
this.SetContentView(Resource.Layout.activity_image_gcr_analyse);
this.mTextView = (Android.Widget.TextView)FindViewById(Resource.Id.text_result);
this.previewImage = (Android.Widget.ImageView)FindViewById(Resource.Id.Card_image);
this.previewImage.SetOnClickListener(this);
this.previewImage.SetScaleType(ImageView.ScaleType.FitXy);
this.FindViewById(Resource.Id.detect_picture_HKID).SetOnClickListener(this);
this.FindViewById(Resource.Id.detect_picture_homeCard).SetOnClickListener(this);
this.FindViewById(Resource.Id.detect_picture_passCard).SetOnClickListener(this);
this.FindViewById(Resource.Id.detect_video_HKID).SetOnClickListener(this);
this.FindViewById(Resource.Id.detect_video_homeCard).SetOnClickListener(this);
this.FindViewById(Resource.Id.detect_video_passCard).SetOnClickListener(this);
this.callback = new MLGcrCaptureCallback(this);
//Checking Camera permission
if (!(ActivityCompat.CheckSelfPermission(this, Manifest.Permission.Camera) == Android.Content.PM.Permission.Granted))
{
this.RequestCameraPermission();
}
}