Android_Gesture.java

private GestureDetectorCompat gd;

// into onCreate method ----->

gd = new GestureDetectorCompat(this,this);
gd.setOnDoubleTapListener(this);

// <----- into onCreate method

@Override
public boolean onTouchEvent(MotionEvent event){
   gd.onTouchEvent(event);
   return super.onTouchEvent(event);
}

// start Gesture methods

@Override
public boolean onSingleTapConfirmed(MotionEvent motionEvent) {
   // what want to do
   return false;
}

@Override
public boolean onDoubleTap(MotionEvent motionEvent) {
   // what want to do
   return false;
}

@Override
public boolean onDoubleTapEvent(MotionEvent motionEvent) {
   // what want to do
   return false;
}

@Override
public boolean onDown(MotionEvent motionEvent) {
   // what want to do
   return false;
}

@Override
public void onShowPress(MotionEvent motionEvent) {
   // what want to do
}

@Override
public boolean onSingleTapUp(MotionEvent motionEvent) {
   // what want to do
   return false;
}

@Override
public boolean onScroll(MotionEvent motionEvent, MotionEvent motionEvent1, float v, float v1) {
   // what want to do
   return false;
}

@Override
public void onLongPress(MotionEvent motionEvent) {
   // what want to do
}

@Override
public boolean onFling(MotionEvent motionEvent, MotionEvent motionEvent1, float v, float v1) {
   // what want to do
   return false;
}

// end Gesture methods

// gd