@Override public boolean onTouchEvent(MotionEvent ev) { boolean ret = false; int act = ev.getAction(); if (act == ev.ACTION_DOWN) { mRender.onActionDown((int) ev.getX(), (int) ev.getY()); ret = true; } else if (act == ev.ACTION_MOVE) { mRender.onActionMove((int) ev.getX(), (int) ev.getY()); ret = true; } return ret; }