点击导航抽屉关闭
我已经实现了导航抽屉，但是我在使其正常运行时遇到了一些麻烦。 当我点击位置1或2时，它不会启动新片段。
MainActivity.java
public class MainActivity extends Activity { private DrawerLayout mDrawerLayout; private ListView mDrawerList; private ActionBarDrawerToggle mDrawerToggle; // nav drawer title private CharSequence mDrawerTitle; // used to store app title private CharSequence mTitle; // slide menu items private String[] navMenuTitles; private TypedArray navMenuIcons; private ArrayList navDrawerItems; private NavDrawerListAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Typeface tf = Typeface.createFromAsset(getAssets(),"Roboto-Light.ttf"); TextView title = (TextView) findViewById(R.id.appTitle); TextView newRecord = (TextView) findViewById(R.id.newRecord); TextView pastRecords = (TextView) findViewById(R.id.pastRecords); TextView statistics = (TextView) findViewById(R.id.statistics); TextView settings = (TextView) findViewById(R.id.settings); title.setTypeface(tf); newRecord.setTypeface(tf); pastRecords.setTypeface(tf); statistics.setTypeface(tf); settings.setTypeface(tf); newRecord.setOnClickListener(new OnClickListener() { @Override public void onClick(View v){ Intent i = new Intent(MainActivity.this, newRecord.class); startActivity(i); } }); pastRecords.setOnClickListener(new OnClickListener() { @Override public void onClick(View v){ Intent i = new Intent(MainActivity.this, history.class); startActivity(i); } }); statistics.setOnClickListener(new OnClickListener() { @Override public void onClick(View v){ Intent i = new Intent(MainActivity.this, statistics.class); startActivity(i); } }); /* * NavBar Starts Here */ mTitle = mDrawerTitle = getTitle(); // load slide menu items navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items); // nav drawer icons from resources navMenuIcons = getResources() .obtainTypedArray(R.array.nav_drawer_icons); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerList = (ListView) findViewById(R.id.list_slidermenu); navDrawerItems = new ArrayList(); // adding nav drawer items to array // Home navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1))); // Find People navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1))); // Photos navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1))); // Communities, Will add a counter here navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1), true, "22")); // Pages navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1))); // What's hot, We will add a counter here navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, "50+")); // Recycle the typed array navMenuIcons.recycle(); // CLICK LISTENER FOR NAV MENU mDrawerList.setOnItemClickListener(new SlideMenuClickListener()); // setting the nav drawer list adapter adapter = new NavDrawerListAdapter(getApplicationContext(), navDrawerItems); mDrawerList.setAdapter(adapter); // enabling action bar app icon and behaving it as toggle button getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setHomeButtonEnabled(true); mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.drawable.ic_drawer, //nav menu toggle icon R.string.app_name, // nav drawer open - description for accessibility R.string.app_name // nav drawer close - description for accessibility ){ public void onDrawerClosed(View view) { getActionBar().setTitle(mTitle); // calling onPrepareOptionsMenu() to show action bar icons invalidateOptionsMenu(); } public void onDrawerOpened(View drawerView) { getActionBar().setTitle(mDrawerTitle); // calling onPrepareOptionsMenu() to hide action bar icons invalidateOptionsMenu(); } }; mDrawerLayout.setDrawerListener(mDrawerToggle); if (savedInstanceState == null) { // on first time display view for first nav item displayView(0); } } // CLICK LISTENER STUFF /** * Slide menu item click listener * */ private class SlideMenuClickListener implements ListView.OnItemClickListener { @Override public void onItemClick(AdapterView parent, View view, int position, long id) { // display view for selected nav drawer item displayView(position); Log.d("Listener", "" + position); } } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // toggle nav drawer on selecting action bar app icon/title if (mDrawerToggle.onOptionsItemSelected(item)) { return true; } // Handle action bar actions click switch (item.getItemId()) { case R.id.action_settings: return true; default: return super.onOptionsItemSelected(item); } } /*** * Called when invalidateOptionsMenu() is triggered */ @Override public boolean onPrepareOptionsMenu(Menu menu) { // if nav drawer is opened, hide the action items boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList); menu.findItem(R.id.action_settings).setVisible(!drawerOpen); return super.onPrepareOptionsMenu(menu); } /** * Diplaying fragment view for selected nav drawer list item * */ private void displayView(int position) { // update the main content by replacing fragments Fragment fragment = null; switch (position) { case 0: fragment = new HomeFragment(); Log.d("displayView", "click HomeFragment"); break; case 1: fragment = new FindPeopleFragment(); break; /*case 2: fragment = new PhotosFragment(); break; case 3: fragment = new CommunityFragment(); break; case 4: fragment = new PagesFragment(); break; case 5: fragment = new WhatsHotFragment(); break;*/ default: break; } if (fragment != null) { FragmentManager fragmentManager = getFragmentManager(); fragmentManager.beginTransaction() .replace(R.id.frame_container, fragment).commit(); // update selected item and title, then close the drawer mDrawerList.setItemChecked(position, true); mDrawerList.setSelection(position); setTitle(navMenuTitles[position]); mDrawerLayout.closeDrawer(mDrawerList); } else { // error in creating fragment Log.e("MainActivity", "Error in creating fragment"); } } @Override public void setTitle(CharSequence title) { mTitle = title; getActionBar().setTitle(mTitle); } /** * When using the ActionBarDrawerToggle, you must call it during * onPostCreate() and onConfigurationChanged()... */ @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); // Sync the toggle state after onRestoreInstanceState has occurred. mDrawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); // Pass any configuration change to the drawer toggls mDrawerToggle.onConfigurationChanged(newConfig); } } 谁能够看到我做错了什么？ 当您单击抽屉中的列表视图时，它只是关闭抽屉。 它没有记录我所拥有的任何东西。
我没有意识到这一点，但主要容器必须在导航抽屉之前。 我将导航抽屉的ListView移动到我的activity_main.xml和viola的底部，它可以工作！