How to open Drawer Layout only with button?

Question

I\'m working on application that has a tab structure, and use sliding movements to move through the tabs.

But now, I want to apply Drawer Layout. The problem is tha

Answer 1

you can write this way

 mButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            drawer.openDrawer(navigationView);

        }
    });