error: cannot find symbol variable abc_ic_ab_back_mtrl_am_alpha

Question

I added a Fragment to my Android Studio project using New > Fragment > Fragment (Blank). As a result when I try to run, the project won\'t compile because

Answer 1

In My case, I done like this

final ActionBar ab = mActivity.getSupportActionBar();
             ab.setHomeAsUpIndicator(android.support.v7.appcompat.R.drawable.abc_ic_ab_back_material);