Back and forward navigation arrow icon gone
android-studio
Solution
Found the answer
For some reason the toolbar is not visible by default. In the View menu, select Toolbar. That should fix it.
source
Problem
There used to be two little blue back and forwards navigation arrow icons in the Android Studio toolbar that provided navigation between recent source files I was editing. Now, for some reason, this little navigation arrow is gone. Any idea how to get it back or what it's called? Thanks!