Android 向数组动态添加数据

我正在使用在我的应用程序中创建一个导航抽屉，并成功地从json文件中动态添加数据：

    NavMenuItem createMenu = null;
                NavDrawerItem[] menu = new NavDrawerItem[]{};
                int i = 1;
                for (Post post : PostsActivity.this.posts){
                     createMenu = NavMenuItem.create(i, post.title+i, false, this);
                     menu = new NavDrawerItem[]{createMenu};
                     i++;
                }

NavDrawerActivityConfiguration navDrawerActivityConfiguration = new NavDrawerActivityConfiguration();
            navDrawerActivityConfiguration.setMainLayout(R.layout.activity_drawer);
            navDrawerActivityConfiguration.setDrawerLayoutId(R.id.drawer_layout);
            navDrawerActivityConfiguration.setLeftDrawerId(R.id.nav_drawer);
            navDrawerActivityConfiguration.setNavItems(menu);
            navDrawerActivityConfiguration.setDrawerShadow(R.drawable.drawer_shadow);
            navDrawerActivityConfiguration.setDrawerOpenDesc(R.string.drawer_open);
            navDrawerActivityConfiguration.setDrawerCloseDesc(R.string.drawer_close);
            navDrawerActivityConfiguration.setBaseAdapter(
                    new NavDrawerAdapter(this, R.layout.listview_drawer_item, menu ));

问题是只显示

posts

数组中的最后一个数据。如何迭代数组，使其将所有数据添加到

NavDrawerItem

数组

在作者给出的原始示例中，数据是如何添加到数组的：

NavDrawerItem[] menu = new NavDrawerItem[] {
                NavMenuSection.create( 100, "Demos"),
                NavMenuItem.create(101,"List/Detail (Fragment)", "navdrawer_friends", false, this),
                NavMenuItem.create(102, "Airport (AsyncTask)", "navdrawer_airport", true, this), 
                NavMenuSection.create(200, "General"),
                NavMenuItem.create(202, "Rate this app", "navdrawer_rating", false, this),
                NavMenuItem.create(203, "Eula", "navdrawer_eula", false, this), 
                NavMenuItem.create(204, "Quit", "navdrawer_quit", false, this)};

试试这个：

ArrayList<NavDrawerItem> menu = new ArrayList<NavDrawerItem>();
int i = 1;
for (Post post : PostsActivity.this.posts){
     menu.add(NavMenuItem.create(i, post.title+i, false, this));
     i++;
}
NavDrawerItem[] navItems = new NavDrawerItem[menu.size()];
navItems = menu.toArray(navItems);

NavDrawerActivityConfiguration navDrawerActivityConfiguration = new NavDrawerActivityConfiguration();
navDrawerActivityConfiguration.setMainLayout(R.layout.activity_drawer);
navDrawerActivityConfiguration.setDrawerLayoutId(R.id.drawer_layout);
navDrawerActivityConfiguration.setLeftDrawerId(R.id.nav_drawer);
navDrawerActivityConfiguration.setNavItems(navItems);
navDrawerActivityConfiguration.setDrawerShadow(R.drawable.drawer_shadow);
navDrawerActivityConfiguration.setDrawerOpenDesc(R.string.drawer_open);
navDrawerActivityConfiguration.setDrawerCloseDesc(R.string.drawer_close);
navDrawerActivityConfiguration.setBaseAdapter(
        new NavDrawerAdapter(this, R.layout.listview_drawer_item, navItems ));

ArrayList菜单=新建ArrayList（）；
int i=1；
for（Post-Post:PostsActivity.this.posts）{
添加（NavMenuItem.create（i，post.title+i，false，this））；
i++；
}
NavDrawerItem[]navItems=新的NavDrawerItem[menu.size（）]；
navItems=menu.toArray（navItems）；
NavDrawerActivityConfiguration NavDrawerActivityConfiguration=新的NavDrawerActivityConfiguration（）；
navDrawerActivityConfiguration.setMainLayout（R.layout.activity\U抽屉）；
navDrawerActivityConfiguration.setDrawerLayoutId（R.id.drawer\U布局）；
navDrawerActivityConfiguration.setLeftDrawerId（R.id.nav_抽屉）；
navDrawerActivityConfiguration.SetNaviItems（NaviItems）；
navDrawerActivityConfiguration.setDrawerShadow（R.drawable.DrawerU shadow）；
navDrawerActivityConfiguration.SetDrawerPropertEndEsc（R.string.drawer\u打开）；
navDrawerActivityConfiguration.setDrawerCloseDesc（R.string.drawer\u close）；
navDrawerActivityConfiguration.setBaseAdapter(
新的NavDrawerRadapter（此，R.layout.listview_drawer_项目，navItems））；

菜单=新建NavDrawerItem[]{createMenu}这一行应该做什么？这是否应该将
createMenu
添加到数组
菜单
？请进一步说明您正在尝试执行的操作。另外，请告诉我们有关您正在使用的库的更多信息。是的，它应该将
createMenu
添加到
NavDrawerItem
数组中。我在问题中给出了图书馆的链接：我更新了问题。请检查。不要忘记
navDrawerActivityConfiguration.setNavItems（菜单）
应更改为
navDrawerActivityConfiguration.setNavItems（navItems）
遗漏了该变量，Nathan。编辑了这篇文章。谢谢