何为NavigationView,比如QQ的侧滑菜单就是,给个图片就是下图,分为head和menu上下两部分
1、导入包:
//Design support库
implementation 'com.android.support:design:27.1.1'
//实现图片圆形化
compile 'de.hdodenhof:circleimageview:2.1.0'
2.首先实现menu,如下:
checkableBehavior="single" 表示菜单为单选
icon="@drawable/nav_menu_call" 菜单图标
android:title="Call" 菜单文字
<?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_menu_call" android:icon="@drawable/nav_menu_call" android:title="Call" /> <item android:id="@+id/nav_menu_friends" android:icon="@drawable/nav_menu_friends" android:title="Friends"/> <item android:id="@+id/nav_menu_loaction" android:icon="@drawable/nav_menu_loaction" android:title="Loaction"/> <item android:id="@+id/nav_menu_mail" android:icon="@drawable/nav_menu_mail" android:title="Mail"/> <item android:id="@+id/nav_menu_cloud" android:icon="@drawable/nav_menu_cloud" android:title="Cloud"/> </group> </menu>
2.实现head
180dp是一个比较适中的高度
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="180dp" android:background="@mipmap/head_backgroud"> <de.hdodenhof.circleimageview.CircleImageView android:id="@+id/nav_cirI_head" android:layout_width="70dp" android:layout_height="70dp" android:src="@mipmap/head" android:layout_centerInParent="true"/> <TextView android:id="@+id/nav_tv_mail" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="[email protected]" android:layout_alignParentBottom="true" android:textColor="@color/white" android:textSize="14dp"/> <TextView android:id="@+id/nav_tv_username" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="LiangLiang" android:layout_above="@id/nav_tv_mail" android:textColor="@color/white" android:textSize="14dp"/> </RelativeLayout>
3.修改主界面布局:
theme="@style/Base.ThemeOverlay.AppCompat.Dark.ActionBar" 指定深色toolbar
popupTheme="@style/AlertDialog.AppCompat.Light" 指定菜单是淡色
layout_gravity="start" 左面滑出菜单
<?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout 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="match_parent" android:id="@+id/design_drawer_layout"> <FrameLayout android:layout_width="match_parent" android:layout_height="match_parent"> <android.support.v7.widget.Toolbar android:id="@+id/design_tb_toolbar" android:layout_width="match_parent" android:layout_height="55dp" android:background="@color/colorPrimary" app:title="Design" android:theme="@style/Base.ThemeOverlay.AppCompat.Dark.ActionBar" app:popupTheme="@style/AlertDialog.AppCompat.Light"> </android.support.v7.widget.Toolbar> </FrameLayout> <android.support.design.widget.NavigationView android:id="@+id/design_nav_view" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="start" app:menu="@menu/nav_menu" app:headerLayout="@layout/nav_heder_layout" android:background="@mipmap/nav_menu_background"> </android.support.design.widget.NavigationView> </android.support.v4.widget.DrawerLayout>
4.活动部分设置
实例化NavigationView
NavigationView navView = (NavigationView) findViewById(R.id.design_nav_view);
设置图片显示自身颜色,否则默认为灰色
在布局文件中添加app:itemIconTint="@color/blue"属性,表示设置图片的颜色全都为蓝色
显示图片原本颜色:
//让图片就是显示他本身的颜色
navView.setItemIconTintList(null);
还有下面两个常用的API:
app:itemBackground="@color/colorAccent" 设置每一个item的背景颜色
app:itemTextColor="" 设置item的背景颜色
NavigationView的item之间添加上一条分隔线:只需要在menu中将相应的item放到一个group中,并给该group取一个id即可,代码如下:
<group android:id="@+id/group2"> <item android:id="@+id/nav_menu_mail" android:icon="@drawable/nav_menu_mail" android:title="Mail"/> <item android:id="@+id/nav_menu_cloud" android:icon="@drawable/nav_menu_cloud" android:title="Cloud"/> </group>
此时效果如下:
5.头部点击事件
直接通过findViewById实例化设置onClick会崩溃,比较好的方式是通过getHeaderView获取头布局文件
5.1 getHeaderView获取头布局文件方式
//获取头布局文件
View headerView = navView.getHeaderView(0);
然后实例化控件,设置点击事件就行
cirIViewHead = (CircleImageView) headerView.findViewById(R.id.nav_cirI_head); cirIViewHead.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Toast.makeText(DesignActivity.this,"Head",Toast.LENGTH_SHORT).show(); } });5.2 将XML里的静态引入删除:
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="start" />
<!--删除下面两行-->
<!--app:headerLayout="@layout/nav_header"-->
<!--app:menu="@menu/nav_menu"-->
//findviewbyid navigationView = (NavigationView) findViewById(R.id.nav_view); //引入header和menu navigationView.inflateHeaderView(R.layout.nav_header); navigationView.inflateMenu(R.menu.nav_menu); //获取头部布局 View navHeaderView = navigationView.getHeaderView(0);
cirIViewHead = (CircleImageView) headerView.findViewById(R.id.nav_cirI_head); cirIViewHead.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Toast.makeText(DesignActivity.this,"Head",Toast.LENGTH_SHORT).show(); } });
6.菜单点击事件
//菜单事件 navView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() { @Override public boolean onNavigationItemSelected(@NonNull MenuItem item) { switch (item.getItemId()){ case R.id.nav_menu_call: Toast.makeText(DesignActivity.this,"Call",Toast.LENGTH_SHORT).show(); break; case R.id.nav_menu_friends: Toast.makeText(DesignActivity.this,"Friends",Toast.LENGTH_SHORT).show(); break; case R.id.nav_menu_loaction: Toast.makeText(DesignActivity.this,"Loaction",Toast.LENGTH_SHORT).show(); break; case R.id.nav_menu_mail: Toast.makeText(DesignActivity.this,"Mail",Toast.LENGTH_SHORT).show(); break; case R.id.nav_menu_cloud: Toast.makeText(DesignActivity.this,"Cloud",Toast.LENGTH_SHORT).show(); break; default: //关闭滑动菜单 mDrawerLayout.closeDrawers(); } //选中此项 //item.setCheckable(true); return false; } });