Android DrawerLayout实现侧拉菜单功能

概述效果图activity_main.xml<?xmlversion=\"1.0\"encoding=\"utf-8\"?><LinearLayoutxmlns:android=\"http://schemas.android.com/apk/res/android\"

效果图

activity_main.xml

<?xml version="1.0" enCoding="utf-8"?> <linearLayout xmlns:androID="http://schemas.androID.com/apk/res/androID"   xmlns:tools="http://schemas.androID.com/tools"   xmlns:app="http://schemas.androID.com/apk/res-auto"   androID:layout_wIDth="match_parent"   androID:layout_height="match_parent"   tools:context="com.example.lenovo.mydrawerlayout.MainActivity"> <androID.support.v4.Widget.DrawerLayout   androID:layout_wIDth="match_parent"   androID:ID="@+ID/drawer_layout"   androID:layout_height="match_parent">   <linearLayout     androID:layout_wIDth="match_parent"     androID:layout_height="match_parent"     androID:orIEntation="vertical"     >     <androID.support.v7.Widget.Toolbar       androID:ID="@+ID/toolbar"       androID:layout_wIDth="match_parent"       androID:layout_height="?attr/actionbarSize"       androID:background="?attr/colorPrimary"       app:popuptheme="@style/Apptheme.PopupOverlay" />     <TextVIEw       androID:layout_wIDth="wrap_content"       androID:layout_height="wrap_content"       androID:text="这是主界面"       />   </linearLayout>   <linearLayout     androID:layout_wIDth="300dp"     androID:layout_height="match_parent"     androID:layout_gravity="left"     androID:background="#f00"     >     <TextVIEw       androID:ID="@+ID/t"       androID:layout_wIDth="wrap_content"       androID:layout_height="wrap_content"       androID:text="这是侧拉界面"       />   </linearLayout> </androID.support.v4.Widget.DrawerLayout> </linearLayout> 

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

<resources>    <!-- Base application theme. -->   <style name="Apptheme" parent="theme.AppCompat.light.NoActionbar">     <!-- Customize your theme here. -->     <item name="colorPrimary">@color/colorPrimary</item>     <item name="colorPrimaryDark">@color/colorPrimaryDark</item>     <item name="colorAccent">@color/colorAccent</item>   </style>   <style name="Apptheme.NoActionbar">     <item name="windowActionbar">false</item>     <item name="windowNoTitle">true</item>   </style>   <style name="Apptheme.AppbarOverlay" parent="themeOverlay.AppCompat.Dark.Actionbar" />   <style name="Apptheme.PopupOverlay" parent="themeOverlay.AppCompat.light" /> </resources> 

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();     }   } } 

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