Android Open Source - splott Gl View

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License

The source code is released under:

MIT License

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Java Source Code

package com.wordsaretoys.splott.plotter;
//www  .ja  va2 s. c  om
import android.content.Context;
import android.opengl.GLSurfaceView;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;

public class GlView extends GLSurfaceView {

  // gesture detector & listener
  GestureDetector gestureDetector;
  GestureListener gestureListener;
  
  // renderer
  Render render;
  
  /**
   * xml-compatible ctor
   */
  public GlView(Context context, AttributeSet attrs) {
    super(context, attrs);
    
    setEGLContextClientVersion(2);
    setRenderer(render = new Render(this));
    
    gestureListener = new GestureListener();
    gestureDetector = new GestureDetector(context, gestureListener);
    gestureDetector.setIsLongpressEnabled(false);
  }
  
  @Override
  public boolean onTouchEvent(MotionEvent e) {
    return gestureDetector.onTouchEvent(e) || super.onTouchEvent(e);
  }
  
  /**
   * gesture detector listener
   */
  class GestureListener extends SimpleOnGestureListener {
    @Override
    public boolean onDown(MotionEvent e) {
      // must return true for other events to happen
      return true;
    }
    @Override
    public boolean onScroll(MotionEvent e0, MotionEvent e1, float dx, float dy) {
      render.setLook(dx, dy);
      return true;
    }
  }
  
}

Java Source Code List