Android Open Source - project2 Gesture Listener

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License

The source code is released under:

MIT License

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Java Source Code

package team2.scdm;
//from  w ww .ja va 2s  . c o m
import android.app.Activity;
import android.content.Intent;
import android.view.GestureDetector;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;

public class GestureListener extends Activity implements OnGestureListener{

  private GestureDetector gesture = null;
  private Class<?> leftActivity = null;
  private Class<?> rightActivity = null;
  
  @Override
  public boolean onTouchEvent(MotionEvent me)
  {
    if(gesture != null)
      return gesture.onTouchEvent(me);
    else
      return false;
  }
  
  @Override
  public boolean onDown(MotionEvent arg0) {
    // TODO Auto-generated method stub
    return false;
  }

  @Override
  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
      float velocityY) {
    float xDiff = e2.getX() - e1.getX();
    float yDiff = e2.getY() - e1.getY();
    
    if(Math.abs(xDiff) > Math.abs(yDiff)) {
      if(xDiff < 0)
      {
        Intent intent = new Intent(this, rightActivity);
        startActivity(intent);
      } else {
        Intent intent = new Intent(this, leftActivity);
        startActivity(intent);
      }
    }
    
    return false;
  }

  @Override
  public void onLongPress(MotionEvent e) {
    // TODO Auto-generated method stub
    
  }

  @Override
  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
      float distanceY) {
    // TODO Auto-generated method stub
    return false;
  }

  @Override
  public void onShowPress(MotionEvent e) {
    // TODO Auto-generated method stub
    
  }

  @Override
  public boolean onSingleTapUp(MotionEvent e) {
    // TODO Auto-generated method stub
    return false;
  }
  
  public void setGestureDetector(GestureDetector gesture)
  {
    this.gesture = gesture;
  }
  
  public void setLeftRight(Class<?> leftActivity, Class<?> rightActivity)
  {
    this.leftActivity = leftActivity;
    this.rightActivity = rightActivity;
  }

}

Java Source Code List