Android组件创建DrawerLayout导航

<android.support.v4.widget.DrawerLayout 
  xmlns:android="http://scheR_108_11845@as.android.com/apk/res/android" 
  android:id="@+id/drawer_layout" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent"> 
  <!-- The main content view --> 
  <FrameLayout 
    android:id="@+id/content_frame" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" /> 
  <!-- The navigation drawer --> 
  <ListView android:id="@+id/left_drawer" 
    android:layout_width="240dp" 
    android:layout_height="match_parent" 
    android:layout_gravity="start" 
    android:choiceMode="singleChoice" 
    android:divider="@android:color/transparent" 
    android:dividerHeight="0dp" 
    android:BACkground="#111"/> 
</android.support.v4.widget.DrawerLayout> 

public class MainActivity extends Activity { 
  private String[] mPlanettitles; 
  private DrawerLayout mDrawerLayout; 
  private ListView mDrawerList; 
  ... 
 
  @Override 
  public void onCreate(Bundle savedInstanceStatE) { 
    super.onCreate(savedInstanceStatE); 
    setContentView(R.layout.activity_main); 
 
    mPlanettitles = getresources().getStringArray(R.array.planets_array); 
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); 
    mDrawerList = (ListView) findViewById(R.id.left_drawer); 
 
    // Set the adapter for the list view 
    mDrawerList.setAdapter(new ArrayAdapter<String>(this,R.layout.drawer_list_item,mPlanettitles)); 
    // Set the list's click listener 
    mDrawerList.setOnItemClickListener(new DrawerItemClickListener()); 
 
    ... 
  } 
} 

private class DrawerItemClickListener implements ListView.onItemClickListener { 
  @Override 
  public void onItemClick(AdapterView parent,View view,int position,long id) { 
    SELEctItem(position); 
  } 
} 
 
/** Swaps fragments in the main content view */ 
private void SELEctItem(int position) { 
  // Create a new fragment and specify the planet to show based on position 
  Fragment fragment = new PlanetFragment(); 
  Bundle args = new Bundle(); 
  args.puTint(PlanetFragment.ARG_PLANET_numbER,position); 
  fragment.setArguments(args); 
 
  // Insert the fragment by replacing any exisTing fragment 
  FragmentManager fragmentManager = getFragmentManager(); 
  fragmentManager.begintransaction() 
          .replace(R.id.content_frame,fragment) 
          .commit(); 
 
  // Highlight the SELEcted item,update the title,and close the drawer 
  mDrawerList.setItemchecked(position,truE); 
  settitle(mPlanettitles[position]); 
  mDrawerLayout.closeDrawer(mDrawerList); 
} 
 
@Override 
public void settitle(CharSequence titlE) { 
  mtitle = title; 
  getActionBar().settitle(mtitlE); 
} 

public class MainActivity extends Activity { 
  private DrawerLayout mDrawerLayout; 
  private ActionBarDrawerToggle mDrawerToggle; 
  private CharSequence mDrawertitle; 
  private CharSequence mtitle; 
  ... 
 
  @Override 
  public void onCreate(Bundle savedInstanceStatE) { 
    super.onCreate(savedInstanceStatE); 
    setContentView(R.layout.activity_main); 
    ... 
 
    mtitle = mDrawertitle = gettitle(); 
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); 
    mDrawerToggle = new ActionBarDrawerToggle(this,mDrawerLayout,R.drawable.ic_drawer,R.String.drawer_open,R.String.drawer_closE) { 
 
      /** Called when a drawer has settled in a completely closed state. */ 
      public void onDrawerClosed(View view) { 
        super.onDrawerClosed(view); 
        getActionBar().settitle(mtitlE); 
        invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu() 
      } 
 
      /** Called when a drawer has settled in a completely open state. */ 
      public void onDrawerOpened(View drawerView) { 
        super.onDrawerOpened(drawerView); 
        getActionBar().settitle(mDrawertitlE); 
        invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu() 
      } 
    }; 
 
    // Set the drawer toggle as the DrawerListener 
    mDrawerLayout.setDrawerListener(mDrawerTogglE); 
  } 
 
  /* Called whenever we call invalidateOptionsMenu() */ 
  @Override 
  public Boolean onPrepareOptionsMenu(Menu menu) { 
    // If the nav drawer is open,hide action items related to the content view 
    Boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList); 
    menu.findItem(R.id.action_websearch).setVisible(!drawerOpen); 
    return super.onPrepareOptionsMenu(menu); 
  } 
} 

public class MainActivity extends Activity { 
  private DrawerLayout mDrawerLayout; 
  private ActionBarDrawerToggle mDrawerToggle; 
  ... 
 
  public void onCreate(Bundle savedInstanceStatE) { 
    ... 
 
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); 
    mDrawerToggle = new ActionBarDrawerToggle( 
        this,/* host Activity */ 
        mDrawerLayout,/* DrawerLayout object */ 
        R.drawable.ic_drawer,/* nav drawer icon to replace 'Up' caret */ 
        R.String.drawer_open,/* "open drawer" description */ 
        R.String.drawer_close /* "close drawer" description */ 
        ) { 
 
      /** Called when a drawer has settled in a completely closed state. */ 
      public void onDrawerClosed(View view) { 
        super.onDrawerClosed(view); 
        getActionBar().settitle(mtitlE); 
      } 
 
      /** Called when a drawer has settled in a completely open state. */ 
      public void onDrawerOpened(View drawerView) { 
        super.onDrawerOpened(drawerView); 
        getActionBar().settitle(mDrawertitlE); 
      } 
    }; 
 
    // Set the drawer toggle as the DrawerListener 
    mDrawerLayout.setDrawerListener(mDrawerTogglE); 
 
    getActionBar().setDisplayHomeAsUpEnabled(true); 
    getActionBar().setHomeButtonEnabled(true); 
  } 
 
  @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); 
    mDrawerToggle.onConfigurationChanged(newConfig); 
  } 
 
  @Override 
  public Boolean onOptionsItemSELEcted(MenuItem item) { 
    // Pass the event to ActionBarDrawerToggle,if it returns 
    // true,then it has handled the app icon touch event 
    if (mDrawerToggle.onOptionsItemSELEcted(item)) { 
     return true; 
    } 
    // Handle your other action bar items... 
 
    return super.onOptionsItemSELEcted(item); 
  } 
 
  ... 
}