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Android Design Support Library之NavigationView

效果预览

使用方法

Gradle 中添加下面依赖

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compile 'com.android.support:design:23.1.0'

NavigationView

之前Google也提出了使用DrawerLayout来实现导航抽屉。这次,在support library中,Google提供了NavigationView来实现导航菜单界面。

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<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<!-- Your contents -->
<android.support.design.widget.NavigationView
android:id="@+id/navigation"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="@layout/drawer_header"
app:itemTextColor="@color/item_text_color"
app:menu="@menu/drawer" />
</android.support.v4.widget.DrawerLayout>

app:itemTextColor、 app:itemBackground分别设置item字体和背景颜色

menu/drawer

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<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<!--group 可设置单选效果-->
<group android:checkableBehavior="single">
<item
android:id="@+id/navigation_item_1"
android:checked="true"
android:icon="@drawable/abc_btn_radio_material"
android:title="微言-晨读励志" />
<item
android:id="@+id/navigation_item_2"
android:icon="@drawable/abc_btn_radio_material"
android:title="AndroidProgrammer" />
</group>
<item android:title="其他">
<menu>
<item
android:icon="@drawable/abc_btn_radio_material"
android:title="Android" />
<item
android:icon="@drawable/abc_btn_radio_material"
android:title="IOS" />
</menu>
</item>
</menu>

drawer_header.xml

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="200dp"
android:background="?attr/colorPrimaryDark"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_marginTop="10dp"
android:background="@mipmap/ic_launcher" />
<TextView
android:id="@+id/userName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:gravity="center"
android:text="@string/author"
android:textColor="@color/white"
android:textSize="20sp" />
</LinearLayout>

color/ item_text_color

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<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:color="@color/primary" android:state_checked="true" />
<item android:color="@color/black" />
</selector>

其中最重要的就是这两个属性:

app:headerLayout
app:menu

通过这两个属性,我们可以非常方便的指定导航界面的头布局和菜单布局。

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private NavigationView navigationView;
private void initNavigationViewHeader() {
navigationView = (NavigationView) findViewById(R.id.navigation);
//设置头像,布局app:headerLayout="@layout/drawer_header"所指定的头布局
View view = navigationView.inflateHeaderView(R.layout.drawer_header);
TextView userName = (TextView) view.findViewById(R.id.userName);
userName.setText(R.string.author);
//View mNavigationViewHeader = View.inflate(MainActivity.this, R.layout.drawer_header, null);
//navigationView.addHeaderView(mNavigationViewHeader);//此方法在魅族note 1,头像显示不全
//菜单点击事件
navigationView.setNavigationItemSelectedListener(new NavigationItemSelected());
}

NavigationItemSelected

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class NavigationItemSelected implements NavigationView.OnNavigationItemSelectedListener {
@Override
public boolean onNavigationItemSelected(MenuItem menuItem) {
//mToolbar.setTitle(menuItem.getTitle());
mDrawerLayout.closeDrawers();
switch (menuItem.getItemId()) {
case R.id.navigation_item_1:
menuItem.setChecked(true);
return true;
case R.id.navigation_item_2:
menuItem.setChecked(true);
return true;
default:
return true;
}
}
}

设置DrawerLayout

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private DrawerLayout mDrawerLayout;
private void initDrawer() {
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, mToolbar, R.string.open, R.string.close) {
@Override
public void onDrawerOpened(View drawerView) {
super.onDrawerOpened(drawerView);
}
@Override
public void onDrawerClosed(View drawerView) {
super.onDrawerClosed(drawerView);
}
};
mDrawerToggle.syncState();
mDrawerLayout.addDrawerListener(mDrawerToggle);
}

源码地址

https://github.com/WuXiaolong/DesignSupportLibrarySample

官网API

https://developer.android.com/reference/android/support/design/widget/NavigationView.html



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