Expandable ListeView dans menu Drawer

Bonjour à tous,
J'aurais aimé ajouter dans un menu drawer une expandable listeview, mais voilà, je ne sais pas où commencer ni comment faire.

Voici mes codes, si l'un de vous a une piste, une solution, un tuto...

MainActivity

Code:

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public class MainActivity extends ActionBarActivity
        implements NavigationDrawerCallbacks {
 
    /**
     * Fragment managing the behaviors, interactions and presentation of the navigation drawer.
     */
    private NavigationDrawerFragment mNavigationDrawerFragment;
    private Toolbar mToolbar;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mToolbar = (Toolbar) findViewById(R.id.toolbar_actionbar);
        setSupportActionBar(mToolbar);
 
        mNavigationDrawerFragment = (NavigationDrawerFragment)
                getFragmentManager().findFragmentById(R.id.fragment_drawer);
 
        // Set up the drawer.
        mNavigationDrawerFragment.setup(R.id.fragment_drawer, (DrawerLayout) findViewById(R.id.drawer), mToolbar);
 
    }
 
    @Override
    public void onNavigationDrawerItemSelected(int position) {
        Fragment objFragment = null;
 
        switch (position) {
            case 0:
                objFragment = new menu1_Fragment();
                break;
            case 1:
                objFragment = new menu2_Fragment();
                break;
            case 2:
                objFragment = new menu3_Fragment();
                break;
            case 3:
                objFragment = new menu4_Fragment();
                break;
            case 4:
                objFragment = new menu5_Fragment();
                break;
            case 5:
                objFragment = new menu6_Fragment();
                break;
            case 6:
                objFragment = new menu8_Fragment();
                break;
            case 7:
                objFragment = new menu9_Fragment();
                break;
            case 8:
                objFragment = new menu10_Fragment();
                break;
            case 9:
                objFragment = new menu7_Fragment();
                break;
        }
 
        FragmentManager fragmentManager = getFragmentManager();
        fragmentManager.beginTransaction()
 
                .replace(R.id.container, objFragment)
                .commit();
    }
 
 
    @Override
    public void onBackPressed() {
        if (mNavigationDrawerFragment.isDrawerOpen())
            mNavigationDrawerFragment.closeDrawer();
        else
            super.onBackPressed();
    }
 
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        if (!mNavigationDrawerFragment.isDrawerOpen()) {
            // Only show items in the action bar relevant to this screen
            // if the drawer is not showing. Otherwise, let the drawer
            // decide what to show in the action bar.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        }
        return super.onCreateOptionsMenu(menu);
    }
 
}

NavigationDrawerFragement

Code:

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public class NavigationDrawerFragment extends Fragment implements NavigationDrawerCallbacks {
 
    /**
     * Remember the position of the selected item.
     */
    private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position";
 
    /**
     * Per the design guidelines, you should show the drawer on launch until the user manually
     * expands it. This shared preference tracks this.
     */
    private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";
 
    /**
     * A pointer to the current callbacks instance (the Activity).
     */
    private NavigationDrawerCallbacks mCallbacks;
 
    /**
     * Helper component that ties the action bar to the navigation drawer.
     */
    private ActionBarDrawerToggle mActionBarDrawerToggle;
 
    private DrawerLayout mDrawerLayout;
    private RecyclerView mDrawerList;
    private View mFragmentContainerView;
 
    private int mCurrentSelectedPosition = 0;
    private boolean mFromSavedInstanceState;
    private boolean mUserLearnedDrawer;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
 
        // Read in the flag indicating whether or not the user has demonstrated awareness of the
        // drawer. See PREF_USER_LEARNED_DRAWER for details.
        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
        mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);
 
        if (savedInstanceState != null) {
            mCurrentSelectedPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION);
            mFromSavedInstanceState = true;
        }
    }
 
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_navigation_drawer, container, false);
        mDrawerList = (RecyclerView) view.findViewById(R.id.drawerList);
        LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
        layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        mDrawerList.setLayoutManager(layoutManager);
        mDrawerList.setHasFixedSize(true);
 
        final List<NavigationItem> navigationItems = getMenu();
        NavigationDrawerAdapter adapter = new NavigationDrawerAdapter(navigationItems);
        adapter.setNavigationDrawerCallbacks(this);
        mDrawerList.setAdapter(adapter);
        selectItem(mCurrentSelectedPosition);
        return view;
    }
 
    public boolean isDrawerOpen() {
        return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(mFragmentContainerView);
    }
 
    public ActionBarDrawerToggle getActionBarDrawerToggle() {
        return mActionBarDrawerToggle;
    }
 
    public DrawerLayout getDrawerLayout() {
        return mDrawerLayout;
    }
 
    @Override
    public void onNavigationDrawerItemSelected(int position) {
        selectItem(position);
    }
 
    public List<NavigationItem> getMenu() {
        List<NavigationItem> items = new ArrayList<NavigationItem>();
        items.add(new NavigationItem("1", getResources().getDrawable(R.drawable.1)));
        items.add(new NavigationItem("2", getResources().getDrawable(R.drawable.2)));
        items.add(new NavigationItem("3", getResources().getDrawable(R.drawable.3)));
        items.add(new NavigationItem("4", getResources().getDrawable(R.drawable.4)));
        items.add(new NavigationItem("5", getResources().getDrawable(R.drawable.5)));
        items.add(new NavigationItem("6", getResources().getDrawable(R.drawable.6)));
        items.add(new NavigationItem("7", getResources().getDrawable(R.drawable.7)));
        items.add(new NavigationItem("8", getResources().getDrawable(R.drawable.8)));
        items.add(new NavigationItem("9", getResources().getDrawable(R.drawable.9)));
        items.add(new NavigationItem("10", getResources().getDrawable(R.drawable.10)));
        return items;
    }
 
    /**
     * Users of this fragment must call this method to set up the navigation drawer interactions.
     *
     * @param fragmentId   The android:id of this fragment in its activity's layout.
     * @param drawerLayout The DrawerLayout containing this fragment's UI.
     * @param toolbar      The Toolbar of the activity.
     */
    public void setup(int fragmentId, DrawerLayout drawerLayout, Toolbar toolbar) {
        mFragmentContainerView = getActivity().findViewById(fragmentId);
        mDrawerLayout = drawerLayout;
 
        mDrawerLayout.setStatusBarBackgroundColor(getResources().getColor(R.color.myPrimaryDarkColor));
 
        mActionBarDrawerToggle = new ActionBarDrawerToggle(getActivity(), mDrawerLayout, toolbar, R.string.drawer_open, R.string.drawer_close) {
            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                if (!isAdded()) return;
 
                getActivity().invalidateOptionsMenu(); // calls onPrepareOptionsMenu()
            }
 
            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                if (!isAdded()) return;
                if (!mUserLearnedDrawer) {
                    mUserLearnedDrawer = true;
                    SharedPreferences sp = PreferenceManager
                            .getDefaultSharedPreferences(getActivity());
                    sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true).apply();
                }
                getActivity().invalidateOptionsMenu(); // calls onPrepareOptionsMenu()
            }
        };
 
        // If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,
        // per the navigation drawer design guidelines.
        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
            mDrawerLayout.openDrawer(mFragmentContainerView);
        }
 
        // Defer code dependent on restoration of previous instance state.
        mDrawerLayout.post(new Runnable() {
            @Override
            public void run() {
                mActionBarDrawerToggle.syncState();
            }
        });
 
        mDrawerLayout.setDrawerListener(mActionBarDrawerToggle);
    }
 
    private void selectItem(int position) {
        mCurrentSelectedPosition = position;
        if (mDrawerLayout != null) {
            mDrawerLayout.closeDrawer(mFragmentContainerView);
        }
        if (mCallbacks != null) {
            mCallbacks.onNavigationDrawerItemSelected(position);
        }
        ((NavigationDrawerAdapter) mDrawerList.getAdapter()).selectPosition(position);
    }
 
    public void openDrawer() {
        mDrawerLayout.openDrawer(mFragmentContainerView);
    }
 
    public void closeDrawer() {
        mDrawerLayout.closeDrawer(mFragmentContainerView);
    }
 
    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mCallbacks = (NavigationDrawerCallbacks) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException("Activity must implement NavigationDrawerCallbacks.");
        }
    }
 
    @Override
    public void onDetach() {
        super.onDetach();
        mCallbacks = null;
    }
 
    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt(STATE_SELECTED_POSITION, mCurrentSelectedPosition);
    }
 
    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // Forward the new configuration the drawer toggle component.
        mActionBarDrawerToggle.onConfigurationChanged(newConfig);
    }
 
    /*public void setUserData(String user, String email, Bitmap avatar) {
        ImageView avatarContainer = (ImageView) mFragmentContainerView.findViewById(R.id.imgAvatar);
        ((TextView) mFragmentContainerView.findViewById(R.id.txtUserEmail)).setText(email);
        ((TextView) mFragmentContainerView.findViewById(R.id.txtUsername)).setText(user);
        avatarContainer.setImageDrawable(new RoundImage(avatar));
    }*/
 
    public View getGoogleDrawer() {
        return mFragmentContainerView.findViewById(R.id.googleDrawer);
    }
 
    public static class RoundImage extends Drawable {
        private final Bitmap mBitmap;
        private final Paint mPaint;
        private final RectF mRectF;
        private final int mBitmapWidth;
        private final int mBitmapHeight;
 
        public RoundImage(Bitmap bitmap) {
            mBitmap = bitmap;
            mRectF = new RectF();
            mPaint = new Paint();
            mPaint.setAntiAlias(true);
            mPaint.setDither(true);
            final BitmapShader shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
            mPaint.setShader(shader);
 
            mBitmapWidth = mBitmap.getWidth();
            mBitmapHeight = mBitmap.getHeight();
        }
 
        @Override
        public void draw(Canvas canvas) {
            canvas.drawOval(mRectF, mPaint);
        }
 
        @Override
        protected void onBoundsChange(Rect bounds) {
            super.onBoundsChange(bounds);
            mRectF.set(bounds);
        }
 
        @Override
        public void setAlpha(int alpha) {
            if (mPaint.getAlpha() != alpha) {
                mPaint.setAlpha(alpha);
                invalidateSelf();
            }
        }
 
        @Override
        public void setColorFilter(ColorFilter cf) {
            mPaint.setColorFilter(cf);
        }
 
        @Override
        public int getOpacity() {
            return PixelFormat.TRANSLUCENT;
        }
 
        @Override
        public int getIntrinsicWidth() {
            return mBitmapWidth;
        }
 
        @Override
        public int getIntrinsicHeight() {
            return mBitmapHeight;
        }
 
        public void setAntiAlias(boolean aa) {
            mPaint.setAntiAlias(aa);
            invalidateSelf();
        }
 
        @Override
        public void setFilterBitmap(boolean filter) {
            mPaint.setFilterBitmap(filter);
            invalidateSelf();
        }
 
        @Override
        public void setDither(boolean dither) {
            mPaint.setDither(dither);
            invalidateSelf();
        }
 
        public Bitmap getBitmap() {
            return mBitmap;
        }
 
    }
}

activity_main

Code:

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent"
    android:layout_height="match_parent">
 
    <include android:id="@+id/toolbar_actionbar" layout="@layout/toolbar_default"
        android:layout_width="match_parent" android:layout_height="wrap_content" />
 
    <android.support.v4.widget.DrawerLayout android:id="@+id/drawer"
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent" android:layout_height="match_parent"
        android:layout_below="@+id/toolbar_actionbar">
 
        <FrameLayout android:id="@+id/container" android:layout_width="match_parent"
            android:clickable="true" android:layout_height="match_parent" />
 
        <!-- android:layout_marginTop="?android:attr/actionBarSize"-->
        <fragment android:id="@+id/fragment_drawer"
            android:name="gisclace.foobar.NavigationDrawerFragment"
            android:layout_width="@dimen/navigation_drawer_width"
            android:layout_height="match_parent" android:layout_gravity="start"
            app:layout="@layout/fragment_navigation_drawer" />
    </android.support.v4.widget.DrawerLayout>
</RelativeLayout>

drawer_row

Code:

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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_height="48dp" android:layout_width="match_parent">
 
    <TextView android:id="@+id/item_name" android:layout_width="match_parent"
        android:layout_height="match_parent" android:layout_marginLeft="16dp"
        android:layout_marginStart="16dp" android:layout_marginRight="16dp"
        android:drawablePadding="16dp" android:layout_marginEnd="16dp" android:textSize="14sp"
        android:gravity="center_vertical" android:textColor="@color/myTextPrimaryColor" />
</LinearLayout>

Merci par avance.