Show up/back button on android nested PreferenceScreen?

Question

I have a two level PreferenceScreen:

general settings
   
   more advanced sett         


        

Answer 1

If the button does not come automatically, you could add it manually like done on these links:

Android: How can make custom PreferenceScreen?

http://pastebin.com/334Eip35

There is a example code in second answer of that SO question and the snippet in it is taken probably from the another pastebin location.