<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent" >    <android.support.v4.widget.DrawerLayout        xmlns:android="http://schemas.android.com/apk/res/android"        android:id="@+id/drawer_layout"        android:layout_width="match_parent"        android:layout_height="match_parent" >        <!-- The main content view -->        <!-- main content must be the first element of DrawerLayout because it will be drawn first and drawer must be on top of it -->        <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="left"            android:background="#111"            android:choiceMode="singleChoice"            android:divider="@android:color/transparent"            android:dividerHeight="0dp" />    </android.support.v4.widget.DrawerLayout></RelativeLayout>

import android.os.Bundle;import android.app.Activity;import android.content.res.Configuration;import android.view.MenuItem;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ArrayAdapter;import android.widget.ListView;import android.support.v4.app.ActionBarDrawerToggle;import android.support.v4.view.GravityCompat;import android.support.v4.widget.DrawerLayout;public class HelloDrawerActivity extends Activity{    private String[] mPlanetTitles;    private DrawerLayout mDrawerLayout;    private ActionBarDrawerToggle mDrawerToggle;    private ListView mDrawerList;    @Override    public void onCreate(Bundle savedInstanceState)    {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_hello_drawer);        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);        // init the ListView and Adapter, nothing new        initListView();        // set a custom shadow that overlays the main content when the drawer        // opens        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow,                GravityCompat.START);        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)            {                invalidateOptionsMenu(); // creates call to                                            // onPrepareOptionsMenu()            }            /** Called when a drawer has settled in a completely open state. */            public void onDrawerOpened(View drawerView)            {                invalidateOptionsMenu(); // creates call to                                            // onPrepareOptionsMenu()            }        };        // Set the drawer toggle as the DrawerListener        mDrawerLayout.setDrawerListener(mDrawerToggle);        // enable ActionBar app icon to behave as action to toggle nav drawer        getActionBar().setDisplayHomeAsUpEnabled(true);        // getActionBar().setHomeButtonEnabled(true);        // Note: getActionBar() Added in API level 11    }    private void initListView()    {        mDrawerList = (ListView) findViewById(R.id.left_drawer);        mPlanetTitles = getResources().getStringArray(R.array.planets_array);        // Set the adapter for the list view        mDrawerList.setAdapter(new ArrayAdapter<String>(this,                R.layout.list_item, mPlanetTitles));        // Set the list‘s click listener        mDrawerList.setOnItemClickListener(new OnItemClickListener()        {            @Override            public void onItemClick(AdapterView<?> parent, View view,                    int position, long id)            {                // Highlight the selected item, update the title, and close the                // drawer                mDrawerList.setItemChecked(position, true);                setTitle(mPlanetTitles[position]);                mDrawerLayout.closeDrawer(mDrawerList);            }        });    }    @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);    }}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".DrawerActivity" >    <android.support.v4.widget.DrawerLayout        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" >            <Button                android:id="@+id/btn"                android:layout_width="match_parent"                android:layout_height="wrap_content"                android:text="open"                 />        </FrameLayout>        <!-- The navigation drawer -->        <ListView            android:id="@+id/left_drawer"            android:layout_width="240dp"            android:layout_height="match_parent"            android:layout_gravity="start"            android:background="#111"            android:choiceMode="singleChoice"            android:divider="@android:color/transparent"            android:dividerHeight="0dp" />    </android.support.v4.widget.DrawerLayout></RelativeLayout>

public class DrawerActivity extends Activity{    private DrawerLayout mDrawerLayout = null;    @Override    protected void onCreate(Bundle savedInstanceState)    {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_drawer);        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);        Button button = (Button) findViewById(R.id.btn);        button.setOnClickListener(new OnClickListener()        {            @Override            public void onClick(View v)            {                // 按钮按下，将抽屉打开                mDrawerLayout.openDrawer(Gravity.LEFT);            }        });    }}