How to disable button click?

Question

In my android application, there are number of images in drawable folder. In my layout there are two buttons: Back and Next buttons. On clicking next and back buttons 2 diff

Answer 1

case R.id.next:
        Log.i("Tag","tag");
        if(imageCounter < imageList.length)
        {
            imageCounter++;
            imagePath = imageList[imageCounter];
            if (imageCounter==(imageList.length)-1)
            {
                ImageButton next=(ImageButton)findViewBYId(R.id.next);
                next.setEnabled(false);
            }
        }
        break;
    case R.id.back:
        if(imageCounter > 0)
        {
            imageCounter--;
            imagePath = imageList[imageCounter];
            if (imageCounter==0)
            {
                ImageButton back=(ImageButton)findViewBYId(r.id.back);
                back.setEnabled(false);
            }
        }
        break;