How to get the previous or next view

You can use the ViewGroup instance that's acting as a container for your widgets to do this.

See getChildAt(int) and indexOfChild(View)

So getChildAt(indexOfChild(v)+1) will get you the next view.

So something like

 ViewGroup container = (ViewGroup) findViewbyID(R.tableRow1);
 View slideBtn = findViewbyID(R.remoteLight);
 View nextView = container.getChildAt(container.indexOfChild(slideBtn)+1);

You should add checks for overflow and that the next view is of the type that you do in fact want.