Question

I have a view , my view contains gallery and two button.Here i want to scroll gallery when we click on buttons (just one position),for that i used following code,

this code for next position,

mBtnGalleryNext.setOnTouchListener(new OnTouchListener() {

            @Override
            public boolean onTouch(View v, MotionEvent event) {
                // TODO Auto-generated method stub
                             mGallery.scrollTo(180, 0);
                return false;
            }
        });

this code for previous position,

mBtnGalleryPrevious.setOnTouchListener(new OnTouchListener() {

            @Override
            public boolean onTouch(View v, MotionEvent event) {
                // TODO Auto-generated method stub
                             mGallery.scrollTo(0, 180);
                return false;
            }
        });

it is not working properly . please help me.

Answer 1

Instead of using the scrollTo() method, use setSelection().
If you call it like so:

setSelection(currentPosition+1, true);

It will scroll to the next position.