小编Cyb*_*dra的帖子

我浏览了一下网站,我找不到问题的答案,我试图让我的导航抽屉在活动而不是片段之间切换.我已经尝试过switch语句,所有这些都会导致应用程序崩溃,我不知道如何获取抽屉的单独元素以便设置它们,这样如果按下它,它将转到此页面,如果其他被按下它将转到此页面等.

这是我的代码,

package com.example.ColeraineTown;

imports...

public class HomeScreen extends Activity {

private String[] drawerListViewItems;
private DrawerLayout drawerLayout;
private ListView drawerListView;
private ActionBarDrawerToggle actionBarDrawerToggle;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // get list items from strings.xml
    drawerListViewItems = getResources().getStringArray(R.array.items);
    // get ListView defined in activity_main.xml
    drawerListView = (ListView) findViewById(R.id.left_drawer);

    // Set the adapter for the list view
    drawerListView.setAdapter(new ArrayAdapter<String>(this,
            R.layout.drawer_listview_item, drawerListViewItems));

    // 2. App Icon
    drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);

    // 2.1 create ActionBarDrawerToggle
    actionBarDrawerToggle = new ActionBarDrawerToggle(
            this,                  /* …