Android布局控件DrawerLayout实现完美侧滑效果

<android.support.v4.widget.DrawerLayout
   ns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:id="@+id/drawer_layout"
  >
  //主内容
  < Layout
    android:id="@+id/content_ "
    android:layout_width="match_parent"
    android:layout_height="match_parent">
 
    <TextView
      android:gravity="center"
      android:id="@+id/drawer_text"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:text="123"/>
  </ Layout>
  //侧滑菜单
  <ListView
    android:id="@+id/left_drawer"
    android:layout_width="40dp"
    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>

package com.example.wxj.drawerlayoutlearen;
 
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;
 
public class MainActivity extends AppCompatActivity {
 
  private DrawerLayout mDrawerLayout;
  private TextView view;
  private ListView mDrawerList;
  private ActionBarDrawerToggle mDrawerToggle;
  private CharSequence mDrawer ;
  private CharSequence m ;
  private String[] mPlanet s;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    mDrawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
    view = (TextView)findViewById(R.id.drawer_text);
 
    mDrawerToggle = new ActionBarDrawerToggle(
        this,
        mDrawerLayout,
        R.string.open,
        R.string.close
    ){
      @Override
      public void onDrawerClosed(View drawerView) {
        super.onDrawerClosed(drawerView);
        view.setText("close");
      }
 
      @Override
      public void onDrawerOpened(View drawerView) {
        super.onDrawerOpened(drawerView);
        view.setText("dakai");
      }
 
      @Override
      public void onDrawerSlide(View drawerView, float slideOffset) {
        super.onDrawerSlide(drawerView, slideOffset);
        view.setText("huachu");
      }
    };
 
    mDrawerLayout.setDrawerListener(mDrawerToggle);
 
 
  }
}

<resources>
  <string name="app_name">DrawerLayoutlearen</string>
  <string name="open" />
  <string name="close" />
</resources>