学习使用Material Design控件（二）使用DrawerLayout实现侧滑菜单栏效果

<android.support.v4.widget.DrawerLayout xmlns:android=“http://schemas.android.com/apk/res/android”
 xmlns:app=“http://schemas.android.com/apk/res-auto”
 android:id=“@+id/drawer_layout”
 android:layout_width=“match_parent”
 android:layout_height=“match_parent”
 android:fitsSystemWindows=“true” 
 <android.support.design.widget.NavigationView
 android:id=“@+id/navigation_view”
 android:layout_width=“wrap_content”
 android:layout_height=“match_parent”
 android:layout_gravity=“start”
 app:headerLayout=“@layout/navigation_header”
 app:menu=“@menu/drawer” / 
</android.support.v4.widget.DrawerLayout 

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:app="http://schemas.android.com/apk/res-auto"
 android:layout_width="match_parent"
 android:layout_height="192dp"
 android:background="?attr/colorPrimaryDark"
 android:gravity="center"
 android:orientation="vertical"
 android:padding="16dp"
 android:theme="@style/ThemeOverlay.AppCompat.Dark" 

 <de.hdodenhof.circleimageview.CircleImageView
 android:id="@+id/profile_image"
 android:layout_width="72dp"
 android:layout_height="72dp"
 android:layout_marginTop="20dp"
 android:src="@mipmap/profile"
 app:border_color="@color/primary_light"
 app:border_width="2dp" / 

 <TextView
 android:layout_marginTop="10dp"
 android:textSize="18sp"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:text="APP开发者"
 android:gravity="center"
 android:textAppearance="@style/TextAppearance.AppCompat.Body1"
  / 

</LinearLayout 

<menu xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 tools:context=".MainActivity" 
 <group android:checkableBehavior="single" 
 <item
  android:id="@+id/navigation_item_example"
  android:icon="@drawable/ic_favorite"
  android:title="@string/navigation_example" / 
 <item
  android:id="@+id/navigation_item_blog"
  android:icon="@drawable/ic_favorite"
  android:title="@string/navigation_my_blog" / 

 <item
  android:id="@+id/navigation_item_about"
  android:icon="@drawable/ic_favorite"
  android:title="@string/navigation_about" / 
 </group 
</menu 

 //设置Toolbar
 mToolbar = (Toolbar) findViewById(R.id.toolbar);
 setSupportActionBar(mToolbar);

//设置DrawerLayout
 mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
 mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, mToolbar, 
     R.string.drawer_open, R.string.drawer_close);  
 mDrawerToggle.syncState();
 mDrawerLayout.setDrawerListener(mDrawerToggle);

//设置NavigationView点击事件
 mNavigationView = (NavigationView) findViewById(R.id.navigation_view);
 setupDrawerContent(mNavigationView);
 //设置NavigationView点击事件
private void setupDrawerContent(NavigationView navigationView) {
 navigationView.setNavigationItemSelectedListener(
  new NavigationView.OnNavigationItemSelectedListener() {
   @Override
   public boolean onNavigationItemSelected(MenuItem menuItem) {
   switch (menuItem.getItemId()) {
    case R.id.navigation_item_example:
    switchToExample();
    break;
    case R.id.navigation_item_blog:
    switchToBlog();
    break;
    case R.id.navigation_item_about:
    switchToAbout();
    break;

   }
   menuItem.setChecked(true);
   mDrawerLayout.closeDrawers();
   return true;
   }
  });
 }