CoordinatorLayout + AppBarLayout + NavigationDrawer
Your CoordinatorLayout is wrapping your DrawerLayout and NavigationView, which means the Coordinator is in control of how everything is laid out. You need to nest the Coordinator inside the drawer, like so: <android.support.v4.widget.DrawerLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:id=”@+id/drawer_layout” android:layout_width=”match_parent” android:layout_height=”match_parent” android:clickable=”true” android:focusableInTouchMode=”true”> <android.support.design.widget.CoordinatorLayout xmlns:app=”http://schemas.android.com/apk/res-auto” android:id=”@+id/overview_coordinator_layout” android:layout_width=”match_parent” android:layout_height=”match_parent”> <android.support.design.widget.AppBarLayout android:layout_width=”match_parent” android:layout_height=”wrap_content” android:theme=”@style/ThemeOverlay.AppCompat.Dark.ActionBar”> <android.support.v7.widget.Toolbar android:id=”@+id/toolbar” android:layout_width=”match_parent” android:layout_height=”?attr/actionBarSize” android:background=”?attr/colorPrimaryDark” app:layout_scrollFlags=”enterAlways|scroll” /> … Read more