The navigation drawer is a panel that transitions in from the left edge of the screen and displays the app's main navigation options.
We can add a navigation drawer to our app by setting the
DrawerLayout type as the root layout container, with the contents of the drawer and the main content as subviews:
DrawerLayouttype should be the root of our layout file, with two subviews: the first is the main content and the second is the drawer. Let's take a look at the following code snippet:
<?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/drawerLayout" android:layout_width="match_parent" ...