@Override
    public boolean onTouch(View v, MotionEvent event) {
    switch(event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            if (mHandler != null) return true;
            mHandler = new Handler();
            mHandler.postDelayed(mAction, 10);
            break;
        case MotionEvent.ACTION_UP:
            if (mHandler == null) return true;
            mHandler.removeCallbacks(mAction);
            mHandler = null;
            break;
    }
    return false;
}
Runnable mAction = new Runnable() {
    @Override
    public void run() {
        //Do continuous task
        mHandler.postDelayed(this, 100);
    }
};