Java ExpandableListView.setOnGroupExpandListener方法代码示例

import android.widget.ExpandableListView; //导入方法依赖的package包/类
/**
 * Constructor returns an instance of RecentTabsPage.
 *
 * @param activity The activity this view belongs to.
 * @param recentTabsManager The RecentTabsManager which provides the model data.
 */
public RecentTabsPage(Activity activity, RecentTabsManager recentTabsManager) {
    mActivity = activity;
    mRecentTabsManager = recentTabsManager;

    mTitle = activity.getResources().getString(R.string.recent_tabs);
    mThemeColor = ApiCompatibilityUtils.getColor(
            activity.getResources(), R.color.default_primary_color);
    mRecentTabsManager.setUpdatedCallback(this);
    LayoutInflater inflater = LayoutInflater.from(activity);
    mView = (ViewGroup) inflater.inflate(R.layout.recent_tabs_page, null);
    mListView = (ExpandableListView) mView.findViewById(R.id.odp_listview);
    mAdapter = buildAdapter(activity, recentTabsManager);
    mListView.setAdapter(mAdapter);
    mListView.setOnChildClickListener(this);
    mListView.setGroupIndicator(null);
    mListView.setOnGroupCollapseListener(this);
    mListView.setOnGroupExpandListener(this);
    mListView.setOnCreateContextMenuListener(this);

    mView.addOnAttachStateChangeListener(this);
    ApplicationStatus.registerStateListenerForActivity(this, activity);
    // {@link #mInForeground} will be updated once the view is attached to the window.

    onUpdated();
}
 

import android.widget.ExpandableListView; //导入方法依赖的package包/类
private void initView(View view) {
    expandableListView = (ExpandableListView) view.findViewById(R.id.search_listview);
    heardView = inflater.inflate(R.layout.search_item_heard_view, expandableListView, false);
    setclickListener(heardView);
    contantsAdapter = new ContantsAdapter(getActivity(), groupImgId, text, datas,numId);
    expandableListView.setAdapter(contantsAdapter);
    expandableListView.addHeaderView(heardView);
    expandableListView.setOnGroupExpandListener(new ExpandableListView.OnGroupExpandListener() {
        @Override
        public void onGroupExpand(int groupPosition) {
            for (int i = 0; i <groupImgId.size() ; i++) {
                if (groupPosition !=i) {
                    expandableListView.collapseGroup(i);
                }
            }
        }
    });
}
 

import android.widget.ExpandableListView; //导入方法依赖的package包/类
/**
 * Updates the screen state (current list and other views) when the content changes.
 * 
 * @see android.support.v7.app.AppCompatActivity#onContentChanged()
 */
@Override
public void onContentChanged() {
	super.onContentChanged();
	View emptyView = findViewById(R.id.empty);
	mList = (ExpandableListView) findViewById(R.id.list);
	if (mList == null) {
		throw new RuntimeException(
				"Your content must have a ExpandableListView whose id attribute is " +
						"'R.id.list'");
	}
	if (emptyView != null) {
		mList.setEmptyView(emptyView);
	}
	mList.setOnChildClickListener(this);
	mList.setOnGroupExpandListener(this);
	mList.setOnGroupCollapseListener(this);

	if (mFinishedStart) {
		setListAdapter(mAdapter);
	}
	mFinishedStart = true;
}
 

import android.widget.ExpandableListView; //导入方法依赖的package包/类
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        // second level category names (genres)
        secondLevel.add(movies);
        secondLevel.add(games);
        // secondLevel.add(serials);

        // movies category all data
        thirdLevelMovies.put(movies[0], horror);
        thirdLevelMovies.put(movies[1], action);
        thirdLevelMovies.put(movies[2], thriller);


        // games category all data
        thirdLevelGames.put(games[0], fps);
        thirdLevelGames.put(games[1], moba);
        thirdLevelGames.put(games[2], rpg);
        thirdLevelGames.put(games[3], racing);


        // serials category all data
      /*  thirdLevelSerials.put(serials[0], crime);
        thirdLevelSerials.put(serials[1], family);
        thirdLevelSerials.put(serials[2], comedy);
*/


        // all data
        data.add(thirdLevelMovies);
        data.add(thirdLevelGames);
        //data.add(thirdLevelSerials);


        // expandable listview
        expandableListView = (ExpandableListView) findViewById(R.id.expandible_listview);

        // parent adapter
        ThreeLevelListAdapter threeLevelListAdapterAdapter = new ThreeLevelListAdapter(this, parent, secondLevel, data);


        // set adapter
        expandableListView.setAdapter( threeLevelListAdapterAdapter );


        // OPTIONAL : Show one list at a time
        expandableListView.setOnGroupExpandListener(new ExpandableListView.OnGroupExpandListener() {
            int previousGroup = -1;

            @Override
            public void onGroupExpand(int groupPosition) {
                if (groupPosition != previousGroup)
                    expandableListView.collapseGroup(previousGroup);
                previousGroup = groupPosition;
            }
        });


    }