Set a title in Toolbar from fragment in Android

Question

I have been using the latest Toolbar from AppCompatv7 lib.I have placed a textview in the ToolBar ViewGroup And I want to set a title into this Textview from the fragment in my

Answer 1

For me the problem was that for some reason the label was overwritten. I had to change it back to the string resource, in

 navigation.xml 

inside the fragment tag;

android:label="@string/android_trivia"