public boolean onRotate(RotateGestureDetector detector) {
float rotation = detector.getRotationRadiansDelta();
/*
* If Shove is in progress do not handle rotation
* If previous rotation is handled then keep on handling it
* else give some buffer for shove to be processed
*/
if (mRotationHandled || (!mShoveHandled && (Math.abs(rotation) > ROTATION_THRESHOLD))) {
float rotAngle;
// Compensate for the ROTATION_THRESHOLD at the very beginning of the gesture, to avoid
// rotation jumps
if (!mRotationHandled) {
rotAngle =
(rotation > 0) ? (rotation - ROTATION_THRESHOLD) : (rotation + ROTATION_THRESHOLD);
} else {
rotAngle = rotation;
}
float x = rotateGestureDetector.getFocusX();
float y = rotateGestureDetector.getFocusY();
mLastDoubleGestureTime = detector.getEventTime();
handleRotateGesture(x, y, -(rotAngle));
mRotationHandled = true;
return true;
}
mRotationHandled = false;
return false;
}
public boolean onTouch(View v, MotionEvent event) {
if (genericMotionListener != null) {
genericMotionListener.onGenericMotion(v, event);
}
gestureDetector.onTouchEvent(event);
scaleGestureDetector.onTouchEvent(event);
shoveGestureDetector.onTouchEvent(event);
rotateGestureDetector.onTouchEvent(event);
return true;
}