Android-NavigationView+DrawerLayout实现抽屉菜单

效果图:

源码下载:[ http://download.csdn.net/download/qq_34908107/9951529 ]
Github地址
首先看看布局：

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"xmlns:app="http://schemas.android.com/apk/res-auto"android:id="@+id/drawlayout"android:layout_height="match_parent"><android.support.design.widget.CoordinatorLayoutandroid:layout_width="match_parent"android:id="@+id/main_content"android:layout_height="match_parent"><android.support.design.widget.AppBarLayoutandroid:id="@+id/appbar"android:layout_width="match_parent"android:layout_height="wrap_content"android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"><android.support.v7.widget.Toolbarandroid:id="@+id/toolbar"android:layout_width="match_parent"android:layout_height="?attr/actionBarSize"android:background="?attr/colorPrimary"app:layout_scrollFlags="scroll|enterAlways"app:popupTheme="@style/ThemeOverlay.AppCompat.Light" /></android.support.design.widget.AppBarLayout></android.support.design.widget.CoordinatorLayout><android.support.design.widget.NavigationViewandroid:id="@+id/nav_view"android:layout_height="match_parent"android:layout_width="wrap_content"android:layout_gravity="start"android:fitsSystemWindows="true"app:headerLayout="@layout/nav_header"app:menu="@menu/drawer_view" /></android.support.v4.widget.DrawerLayout>

用DrawerLayout包含了整个的布局,主要是为了侧滑，我们现在主要看看NavigationView的布局。app:headerLayout=”@layout/nav_header”这个属性是可以引用头部文件，也就是所谓的头布局； app:menu=”@menu/drawer_view”这个属性是指引入菜单的布局。

下面是头布局header：

<?xml version="1.0" encoding="utf-8"?><!--~ Copyright (C) 2015 The Android Open Source Project~~ Licensed under the Apache License, Version 2.0 (the "License");~ you may not use this file except in compliance with the License.~ You may obtain a copy of the License at~~ http://www.apache.org/licenses/LICENSE-2.0~~ Unless required by applicable law or agreed to in writing, software~ distributed under the License is distributed on an "AS IS" BASIS,~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.~ See the License for the specific language governing permissions and~ limitations under the License.--><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="192dp"android:background="?attr/colorPrimaryDark"android:padding="16dp"android:theme="@style/ThemeOverlay.AppCompat.Dark"android:orientation="vertical"android:gravity="bottom"><TextView  android:layout_width="match_parent"android:layout_height="wrap_content"android:text="最漆黑那段路 最终要自己走完"android:textAppearance="@style/TextAppearance.AppCompat.Body1" /></LinearLayout>

下面是布局菜单drawer_view：

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"><group android:checkableBehavior="single"><item  android:id="@+id/nav_photo"android:icon="@mipmap/ic_dashboard"android:title="图片" /><item  android:id="@+id/nav_video"android:icon="@mipmap/ic_event"android:title="视频" /><item  android:id="@+id/nav_music"android:icon="@mipmap/ic_headset"android:title="音乐" /></group><item android:title="设置"><menu><item  android:icon="@mipmap/ic_dashboard"android:title="日夜模式" /><item  android:icon="@mipmap/ic_forum"android:title="Sub item 2" /></menu></item></menu>

附加:
1. 这个属性指的是只能每次只能有一个item被选中。
2.分割线：每个group 都是一个分组，每添加一个分组，就自动添加了一根分割线。

监听菜单点击调用这个方法setNavigationItemSelectedListener。
下面是整个代码:

package com.example.qzs.materialdesigndemo;import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;/*** Created by qzs on 2017/8/26.*/public class NavigationviewActivity extends AppCompatActivity{
    private Toolbar toolbar;private NavigationView  nav_view;private DrawerLayout drawlayout;@Overrideprotected void onCreate(@Nullable Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.layout_home);initView();initToobar();if (nav_view != null) {setupDrawerContent(nav_view);}}//这个写点击逻辑private void setupDrawerContent(NavigationView nav_view) {nav_view.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {@Overridepublic boolean onNavigationItemSelected(MenuItem menuItem) {drawlayout.closeDrawers();drawlayout.setSelected(true);return true;}});}private void initToobar() {//toolbar的设置setSupportActionBar(toolbar);final ActionBar ab = getSupportActionBar();if (ab != null) {ab.setHomeAsUpIndicator(R.mipmap.ic_menu);ab.setTitle("嘿嘿");ab.setDisplayHomeAsUpEnabled(true);}}private void initView() {toolbar= (Toolbar) findViewById(R.id.toolbar);nav_view= (NavigationView) findViewById(R.id.nav_view);drawlayout= (DrawerLayout) findViewById(R.id.drawlayout);}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {switch (item.getItemId()) {case android.R.id.home:drawlayout.openDrawer(GravityCompat.START);break;}return super.onOptionsItemSelected(item);}
}

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