sprockets/src/main/java/net/sf/sprockets/app/ui/NavigationDrawerActivity.java
public NavigationDrawerActivity setDrawerLayout(DrawerLayout drawer) {
        mDrawer = drawer;
        if (mDrawer.getFitsSystemWindows()) { // let it draw the status bar
            getWindow().setStatusBarColor(TRANSPARENT);
        }
        return this;
    }
public NavigationDrawerActivity setDrawerLayout(DrawerLayout drawer) {
        mDrawer = drawer;
        if (mDrawer.getFitsSystemWindows()) { // let it draw the status bar
            getWindow().setStatusBarColor(TRANSPARENT);
        }
        return this;
    }
Connect the DrawerLayout to the ActionBar. Should be called in
{@link #onCreate(Bundle) onCreate}. Must be called before
{@link Activity#onPostCreate(Bundle) onPostCreate} executes.