How to open navigation drawer on button click in main fragment?

Question

I have made an app with one activity which uses a navigation drawer to open a number of different fragments. I have the actionbar drawertoggle, but it is not very visible. I

Answer 1

Use these lines to open and close the drawer on a certain event:

Code snippet for opening drawer:

drawerLayout.openDrawer(Gravity.START);

Code snippet for closing drawer:

drawerLayout.closeDrawer(Gravity.LEFT);

→ openDrawer(gravity_of_navigation_view_to_be_shown)

in openDrawer("gravity"), in "gravity" section, you have to input the gravity of the Navigation View like given above:

Gravity.LEFT
Gravity.RIGHT
Gravity.START
Gravity.END

I think thats the best answer.