Android Error [Attempt to invoke virtual method 'void android.app.ActionBar' on a null object reference]

Question

I have a code module which implements viewpager with navigation drawer, however, when I run the code I get the following error

01-26 09:20:02.958: D/AndroidR         


        

Answer 1

Try to check here

res >> values >> styles.xml

make sure that there no code like this

false

if there are code like that, you can disable for a while, or erase it