DrawerLayout的使用

DrawerLayout 是v4的扩展组件，具体使用步骤如下：
1、布局文件内容如下：

<?xml version="1.0" encoding="utf-8"?>
<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">
    <!--主布局-->
    <RelativeLayout
        android:id="@+id/content"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </RelativeLayout>
    <!--左侧滑动菜单-->
    <RelativeLayout
        android:id="@+id/drawer_left_menu"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="start">

    </RelativeLayout>
</android.support.v4.widget.DrawerLayout>

注：android:layout_gravity="start" 这个属性是必须的。

2、初始化DrawerLayout组件

    DrawerLayout mDrawerLayout;
    RelativeLayout mDrawerLeftMenu;
    ActionBarDrawerToggle mDrawerToggle;

    private void setupDrawerLayout() {
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerLeftMenu = (RelativeLayout) findViewById(R.id.drawer_left_menu);
        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.drawer_open, R.string.drawer_close) {

            @Override
            public void onDrawerClosed(View view) {
                super.onDrawerClosed(view);
            }

            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
            }

            @Override
            public void onDrawerSlide(View drawerView, float slideOffset) {
                super.onDrawerSlide(drawerView, slideOffset);
            }

            @Override
            public void onDrawerStateChanged(int newState) {
                super.onDrawerStateChanged(newState);
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);
        mDrawerToggle.syncState();
    }

3、在Activity的onCreate(Bundle savedInstanceState)方法中调用

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        setupDrawerLayout();
    }

4、想打开或者关闭左侧菜单的调用下面的方法

 public void toggleLeftMenu() {
        if (mDrawerLayout.isDrawerOpen(mDrawerLeftMenu)) {
            mDrawerLayout.closeDrawer(mDrawerLeftMenu);
        } else {
            mDrawerLayout.openDrawer(mDrawerLeftMenu);
        }
 }

5、关闭手势滑动

 public void closeDrawerGestureSlide() {
      mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
 }

6、打开手势滑动

 public void openDrawerGestureSlide() {
      mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
 }