Android Open Source - slidekeyboard Gesture Overlay View Wrapper

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Back to project page slidekeyboard.
License

The source code is released under:
MIT License
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Java Source Code

package com.asigbe.slidekeyboard.view;
/*from w ww . j  a  v a 2  s.  co m*/
import java.util.ArrayList;

import android.gesture.Gesture;
import android.gesture.GestureOverlayView;
import android.gesture.Prediction;
import android.gesture.GestureOverlayView.OnGesturePerformedListener;
import android.view.View;

import com.asigbe.slidekeyboardpro.AsigbeKeyboard;
import com.asigbe.slidekeyboardpro.SlideKeyboard;
import com.asigbe.slidekeyboardpro.SlideKeyboardView;

/**
 * Wrapper used for retro-compatibility.
 * 
 * @author Delali Zigah
 */
public class GestureOverlayViewWrapper {

    static {
        try {
            Class.forName("android.gesture.GestureOverlayView");
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }
    
    /** Checks availability of the class */
    public static void checkAvailable() {}
    
    
    private final GestureOverlayView gestureOverlayView;

    /**
     * Creates a wrapper for the given gesture overlay view.
     */
    public GestureOverlayViewWrapper(View gestureOverlayView) {
  this.gestureOverlayView = (GestureOverlayView) gestureOverlayView;
    }

    /**
     * Removes all listeners on the gesture overlay view.
     */
    public void removeAllOnGesturePerformedListeners() {
  this.gestureOverlayView.removeAllOnGesturePerformedListeners();
    }

    /**
     * Adds a new gesture listener.
     */
    public void addOnGesturePerformedListener(
      final SlideKeyboard slideKeyboard,
      final SlideKeyboardView slideKeyboardView,
      final GestureLibraryWrapper gestureLibraryWrapper) {
  this.gestureOverlayView
          .addOnGesturePerformedListener(new OnGesturePerformedListener() {
        @Override
        public void onGesturePerformed(GestureOverlayView overlay,
                Gesture gesture) {
            ArrayList<Prediction> predictions = gestureLibraryWrapper
                    .recognize(gesture);

            // We want at least one prediction
            if (predictions.size() > 0) {
          Prediction prediction = predictions.get(0);
          // We want at least some confidence in
          // the
          // result
          if (prediction.score > 1.0) {
              if (prediction.name
                      .equals(SlideKeyboard.GESTURE_RIGHT)) {
            // right gesture is for spaces
            slideKeyboard.onKeyUp(' ', null, null);
              } else if (prediction.name
                      .equals(SlideKeyboard.GESTURE_LEFT)) {
            // left gesture is for delete
            slideKeyboard
                    .onKeyUp(
                            AsigbeKeyboard.KEYCODE_DELETE,
                            null, null);
              } else if (prediction.name
                      .equals(SlideKeyboard.GESTURE_RIGHT_UP)) {
            // up gesture is for shift
            slideKeyboard.onKeyUp(
                    AsigbeKeyboard.KEYCODE_SHIFT, null, null);
              } else if (prediction.name
                      .equals(SlideKeyboard.GESTURE_DOWN_LEFT)) {
            // down gesture is for enter
            slideKeyboard.onKeyUp(
                    AsigbeKeyboard.KEYCODE_ENTER, null, null);
              } else if (prediction.name
                      .equals(SlideKeyboard.GESTURE_LEFT_PARENTHESIS)) {
            // down gesture is for enter
            slideKeyboard.onKeyUp('(', null, null);
              } else if (prediction.name
                      .equals(SlideKeyboard.GESTURE_RIGHT_PARENTHESIS)) {
            // down gesture is for enter
            slideKeyboard.onKeyUp(')', null, null);
              }
              slideKeyboardView.cancelDetection();
          }
            }
        }
          });
    }

}
Java Source Code List
