Android : Android LinearLayout in a Navigation Drawer

My goal is to create a "title" in the Navigation Drawer, below which is a list of items, like this:

I created a default Navigation Drawer activity in Android Studio using the New > Activity > Navigation Drawer Activity and it generated all of the boilerplate for me.

The only thing I've changed is the Navigation Drawer fragment. I put a TextView above the ListView, both of which are in a LinearLayout.

I then changed the generated Java fragment code to inflate the LinearLayout instead of the ListView. However, this crashes my app.

I tried following this: How to add title in Navigation drawer layout?

I'm new to Android so any help is appreciated.

Here is the XML from the Navigation Drawer fragment (fragment_navigation_drawer.xml):

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context="com.me.myapp.NavigationDrawerFragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/usernameTitle"
        android:text="TEST" />

    <ListView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:choiceMode="singleChoice"
        android:divider="@android:color/transparent"
        android:dividerHeight="0dp"
        android:background="#cccc"
        android:id="@+id/playerList" />

</LinearLayout>

Here is (almost) all of the code I changed from the generated code:

...

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    // This is declared as a LinearLayout at the top of the file
    mDrawerListView = (LinearLayout) inflater.inflate(
        R.layout.fragment_navigation_drawer, container, false);
    mDrawerInnerListView = (ListView) getView().findViewById(R.id.playerList);
    mDrawerInnerListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            selectItem(position);
        }
    });
    mDrawerInnerListView.setAdapter(new ArrayAdapter<String>(
            getActionBar().getThemedContext(),
            android.R.layout.simple_list_item_activated_1,
            android.R.id.text1,
            new String[] {
                    preferences.getString("username", "Couldn't find username"),
                    getString(R.string.title_section2),
                    getString(R.string.title_section3),
                    "test",

            }));
    mDrawerInnerListView.setItemChecked(mCurrentSelectedPosition, true);
    return mDrawerListView;
}

...

private void selectItem(int position) {
    mCurrentSelectedPosition = position;
    if (mDrawerInnerListView != null) {
        mDrawerInnerListView.setItemChecked(position, true);
    }
    if (mDrawerLayout != null) {
        mDrawerLayout.closeDrawer(mFragmentContainerView);
    }
    if (mCallbacks != null) {
        mCallbacks.onNavigationDrawerItemSelected(position);
    }
}

Essentially I just inflated the LinearLayout instead of the ListView, leaving everything else to act on the ListView.

Full Java here: https://gist.github.com/25cf/90c629e884fc3c121c67

Finally, here's the stacktrace:

https://gist.github.com/25cf/3c5e84561fdc2f153607