diff options
Diffstat (limited to 'src/us/minak/DrawingSpaceView.java')
-rw-r--r-- | src/us/minak/DrawingSpaceView.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/us/minak/DrawingSpaceView.java b/src/us/minak/DrawingSpaceView.java new file mode 100644 index 0000000..7f9c3fa --- /dev/null +++ b/src/us/minak/DrawingSpaceView.java @@ -0,0 +1,60 @@ +/* + ******************************************************************************** + * Copyright (c) 2012 Samsung Electronics, Inc. + * All rights reserved. + * + * This software is a confidential and proprietary information of Samsung + * Electronics, Inc. ("Confidential Information"). You shall not disclose such + * Confidential Information and shall use it only in accordance with the terms + * of the license agreement you entered into with Samsung Electronics. + ******************************************************************************** + */ + +package us.minak; + +import java.util.List; + +import android.content.Context; +import android.gesture.Gesture; +import android.gesture.GestureLibraries; +import android.gesture.GestureLibrary; +import android.gesture.GestureOverlayView; +import android.gesture.GestureOverlayView.OnGesturePerformedListener; +import android.gesture.Prediction; +import android.util.AttributeSet; + +/** + * Represent a space where drawing gestures are performed. + */ +public class DrawingSpaceView extends GestureOverlayView implements OnGesturePerformedListener { + private static final double SCORE_TRESHOLD = 3.0; + private final GestureLibrary mGestureLibrary; + private OnGestureRecognizedListener mOnGestureRecognizedListener; + + public DrawingSpaceView(Context context, AttributeSet attrs) { + super(context, attrs); + mGestureLibrary = GestureLibraries.fromRawResource(context, R.raw.gestures); + mGestureLibrary.load(); + addOnGesturePerformedListener(this); + } + + public void setOnGestureRecognizedListener(OnGestureRecognizedListener onGestureRecognizedListener) { + mOnGestureRecognizedListener = onGestureRecognizedListener; + } + + @Override + public void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) { + final List<Prediction> predictions = mGestureLibrary.recognize(gesture); + Prediction bestPrediction = null; + if (!predictions.isEmpty()) { + bestPrediction = predictions.get(0); + } + if (mOnGestureRecognizedListener != null && bestPrediction != null) { + if (bestPrediction.score > SCORE_TRESHOLD) { + mOnGestureRecognizedListener.gestureRecognized(bestPrediction.name); + } else { + clear(false); + } + } + } +} |