Android - How to change default SeekBar thickness?

Question

I have this SeekBar:

Answer 1

You have to change progressDrawable and thumb of SeekBar to adjust it's thickness :

Add in drawable folder seek_bar.xml :

seek_thumb.xml :

Add to dimension resources (change this to adjust thickness) :

4dp
20dp

Add color resources :

#ababab
#ffb600
#3399CC