1.github地址

https://github.com/Ashok-Varma/BottomNavigation

2.Gradle导入

compile 'com.ashokvarma.android:bottom-navigation-bar:1.4.1'

3.使用

1.xml布局文件

    <com.ashokvarma.bottomnavigation.BottomNavigationBar
        android:id="@+id/bottomBar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        app:bnbMode="mode_fixed"
        app:bnbActiveColor="#262626"
        app:bnbInactiveColor="#888888" />

2.dimens.xml中

<resources>
    <!-- BottomNavigation配置 -->
    <dimen name="fixed_height">56dp</dimen> <!-- 高度 -->
    <dimen name="fixed_icon_grid">24dp</dimen> <!-- icon大小 -->
    <dimen name="fixed_height_top_padding_inactive">3dp</dimen> <!-- 未选中时顶部padding -->
    <dimen name="fixed_height_top_padding_active">3dp</dimen> <!-- 选中时顶部padding -->
    <dimen name="fixed_height_bottom_padding">5dp</dimen> <!-- 底部padding -->
    <dimen name="fixed_label_active">12sp</dimen> <!-- 选中字体大小 -->
    <dimen name="fixed_label_inactive">12sp</dimen> <!-- 未选中字体大小 -->
    <item name="fixed_label_active_to_inactive_ratio" format="float" type="dimen">1</item> <!-- 默认文字大小缩放比率 -->
</resources>

3.java代码

        bottomBar = (BottomNavigationBar) findViewById(R.id.bottomBar);
        bottomBar.addItem(new BottomNavigationItem(R.drawable.ic_home_selected_24dp,"首页")
                        .setInactiveIconResource(R.drawable.ic_home_unselected_24dp));
        bottomBar.addItem(new BottomNavigationItem(R.drawable.ic_favorite_selected_24dp,"收藏")
                .setInactiveIconResource(R.drawable.ic_favorite_unselected_24dp));
        bottomBar.addItem(new BottomNavigationItem(R.drawable.ic_material_selected_24dp,"资料")
                .setInactiveIconResource(R.drawable.ic_material_unselected_24dp));
        bottomBar.initialise();