Android DrawerLayout实现侧拉菜单功能

效果图

activity_main.xml

注：DrawerLayout下有两个布局，DrawerLayout的第一个子元素是主要内容，即抽屉没有打开时显示的布局，DrawerLayout的第二个子元素是抽屉中的内容，即抽屉布局，layout_gravity为侧拉方向

因为用到Toolbar所以要把ActionBar替换了所以设置

values下设置styles.xml    为NoActionBar

 
    
   
     
    @color/colorPrimary 
    @color/colorPrimaryDark 
    @color/colorAccent 
   
   
    false 
    true 
   
   
   
 

MainActivity

package com.example.lenovo.mydrawerlayout; 
 import android.os.Bundle; 
import android.support.design.widget.Snackbar; 
import android.support.v4.view.GravityCompat; 
import android.support.v4.widget.DrawerLayout; 
import android.support.v7.app.ActionBarDrawerToggle; 
import android.support.v7.app.AppCompatActivity; 
import android.support.v7.widget.Toolbar; 
import android.view.View; 
import android.widget.TextView; 
public class MainActivity extends AppCompatActivity { 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    //Toolbar代替ActionBar 
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); 
    setSupportActionBar(toolbar); 
    // DrawerLayout 
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); 
    //Toolbar上面最左边显示三杠图标监听DrawerLayout 
    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle( 
 this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); 
    drawer.setDrawerListener(toggle); 
    toggle.syncState(); 
    //侧拉页面字体 
    TextView t= (TextView) findViewById(R.id.t); 
    t.setonClickListener(new View.onClickListener() { 
      @Override 
      public void onClick(View v) { 
 Snackbar.make(v, "侧拉页面", Snackbar.LENGTH_LONG) 
     .setAction("Action", null).show(); 
      } 
    }); 
  } 
  @Override 
  public void onBackPressed() { 
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); 
    if (drawer.isDrawerOpen(GravityCompat.START)) { 
      drawer.closeDrawer(GravityCompat.START); 
    } else { 
      super.onBackPressed(); 
    } 
  } 
}