2
     */ 
    public void setExpandableListAdapter(SimpleExpandableListAdapter adapter) {
        boolean hadAdapter = mExpandableAdapter != null;
        mExpandableAdapter = adapter;
        if (mExpandableList != null) {
            mExpandableList.setAdapter(adapter);
            if (!mListShown && !hadAdapter) {
                // The list was hidden, and previously didn't have an 
                // adapter.  It is now time to show it. 
                setListShown(true, getView().getWindowToken() != null);
            } 
        } 
    } 
 
    /** 
     * Set the currently selected list item to the specified 
     * position with the adapter's data 
     * 
     * @param position 
     */ 
    public void setSelection(int position) {
        ensureList(); 
        mExpandableList.setSelection(position);
    } 
 
    /** 
     * Get the position of the currently selected list item. 
     */ 
    public int getSelectedItemPosition() { 
        ensureList(); 
        return mExpandableList.getSelectedItemPosition();
    } 
 
    /** 
     * Get the cursor row ID of the currently selected list item. 
     */ 
    public long getSelectedItemId() { 
        ensureList(); 
        return mExpandableList.getSelectedItemId();
    } 
 
    /** 
     * Get the activity's list view widget. 
     */ 
    public ListView getListView() {
        ensureList(); 
        return mExpandableList;
    } 
 
    /** 
     * The default content for a ListFragment has a TextView that can 
     * be shown when the list is empty.  If you would like to have it 
     * shown, call this method to supply the text it should use. 
     */ 
    public void setEmptyText(CharSequence text) {
        ensureList(); 
        if (mStandardEmptyView == null) {
            throw new IllegalStateException("Can't be used with a custom content view");
        } 
        mStandardEmptyView.setText(text);
        if (mEmptyText == null) {
            mExpandableList.setEmptyView(mStandardEmptyView);
        } 
        mEmptyText = text;
    } 
 
    /** 
     * Control whether the list is being displayed.  You can make it not 
     * displayed if you are waiting for the initial data to show in it.  During 
     * this time an indeterminant progress indicator will be shown instead. 
     * 
     * <p>Applications do not normally need to use this themselves.  The default 
     * behavior of ListFragment is to start with the list not being shown, only 
     * showing it once an adapter is given with {@link #setExpandableListAdapter(SimpleExpandableListAdapter)}. 
     * If the list at that point had not been shown, when it does get shown 
     * it will be do without the user ever seeing the hidden state. 
     * 
     * @param shown If true, the list view is shown; if false, the progress 
     * indicator.  The initial value is true. 
     */ 
    public void setListShown(boolean shown) {
        setListShown(shown, true);
    } 
 
    /** 
     * Like {@link #setListShown(boolean)}, but no animation is used when 
     * transitioning from the previous state. 
     */ 
    public void setListShownNoAnimation(boolean shown) {
        setListShown(shown, false);
    } 
 
    /** 
     * Control whether the list is being displayed.  You can make it not 
     * displayed if you are waiting for the initial data to show in it.  During 
     * this time an indeterminant progress indicator will be shown instead. 
     * 
     * @param shown If true, the list view is shown; if false, the progress 
     * indicator.  The initial value is true. 
     * @param animate If true, an animation will be used to transition to the 
     * new state. 
     */ 
    private void setListShown(boolean shown, boolean animate) {
        ensureList(); 
        if (mProgressContainer == null) {
            throw new IllegalStateException("Can't be used with a custom content view");
        } 
        if (mListShown == shown) {
            return; 
        } 
        mListShown = shown;
        if (shown) {
            if (animate) {
                mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_out));
                mListContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_in));
            } else { 
                mProgressContainer.clearAnimation();
                mListContainer.clearAnimation();
            } 
            mProgressContainer.setVisibility(View.GONE);
            mListContainer.setVisibility(View.VISIBLE);
        } else { 
            if (animate) {
                mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_in));
                mListContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_out));
            } else { 
                mProgressContainer.clearAnimation();
                mListContainer.clearAnimation();
            } 
            mProgressContainer.setVisibility(View.VISIBLE);
            mListContainer.setVisibility(View.GONE);
        } 
    } 
 
    /** 
     * Get the ListAdapter associated with this activity's ListView. 
     */ 
    public SimpleExpandableListAdapter getExpandableListAdapter() {
        return mExpandableAdapter;
    } 
 
    private void ensureList() { 
        if (mExpandableList != null) {
            return; 
        } 
        View root = getView();
        if (root == null) {
            throw new IllegalStateException("Content view not yet created");
        } 
        if (root instanceof ExpandableListView) {
            Log.v("ExpandableListFragment","root is expandablelistview");
            mExpandableList = (ExpandableListView)root;
        } else { 
            Log.v("ExpandableListFragment","root is not list view");
 
            mStandardEmptyView = (TextView)root.findViewById(INTERNAL_EMPTY_ID);
            if (mStandardEmptyView == null) {
                mEmptyView = root.findViewById(android.R.id.empty);
            } else { 
                mStandardEmptyView.setVisibility(View.GONE);
            } 
            mProgressContainer = root.findViewById(INTERNAL_PROGRESS_CONTAINER_ID);
            mListContainer = root.findViewById(INTERNAL_LIST_CONTAINER_ID);
            View rawExpandableListView = root.findViewById(android.R.id.list);
            if (!(rawExpandableListView instanceof ExpandableListView)) {
                if (rawExpandableListView == null) {
                    throw new RuntimeException(
                            "Your content must have a ExpandableListView whose id attribute is " + 
                                    "'android.R.id.list'"); 
                } 
                throw new RuntimeException(
                        "Content has view with id attribute 'android.R.id.list' " 
                                + "that is not a rawExpandableListView class"); 
            } 
            mExpandableList = (ExpandableListView)rawExpandableListView;
 
            if (mEmptyView != null) {
                mExpandableList.setEmptyView(mEmptyView);
            } else if (mEmptyText != null) {
                mStandardEmptyView.setText(mEmptyText);
                mExpandableList.setEmptyView(mStandardEmptyView);
            } 
        } 
        mListShown = true;
 
 
        mExpandableList.setOnGroupClickListener(this);
        mExpandableList.setOnChildClickListener(this);
        mExpandableList.setOnGroupExpandListener(this);
        mExpandableList.setOnGroupCollapseListener(this);
 
        /*mExpandableList.setOnItemClickListener(mOnClickListener);*/ 
 
        if (mExpandableAdapter != null) {
            SimpleExpandableListAdapter adapter = mExpandableAdapter;