NullPointerException with android.support.v7.widget.Toolbar

Question

I am currently trying to implement a navigation drawer in my app. I am having an issue with the Toolbar being null. I have done many searches online and tried many different

Answer 1

android.support.v7.widget.Toolbar.getTitle() on a null object reference happens due to title clashes between ids of and that of the id in toolbar.xml definition . To overcome this issue remove the id in as below and latest Lollipop material design shall work fine with toolbar