EditText not scrollable inside ScrollView [duplicate]

EditText EtOne = (EditText) findViewById(R.id.EditText01);
EtOne.setOnTouchListener(new OnTouchListener() {
    @Override
    public boolean onTouch(View v, MotionEvent event) {
        if (v.getId() == R.id.EditText01) {
            v.getParent().requestDisallowInterceptTouchEvent(true);
            switch (event.getAction() & MotionEvent.ACTION_MASK) {
            case MotionEvent.ACTION_UP:
                v.getParent().requestDisallowInterceptTouchEvent(false);
                break;
            }
        }
        return false;
    }
});