以编程方式为底部导航视图菜单充气

底部导航视图已添加到设计支持库的版本25中.尝试过，现在更容易使用.

Bottom Navigation View has been added to version 25 of the Design Support Library. Tried and it's much easier to use now.

但是根据我的应用程序要求，我在实施它时遇到了问题. 我想动态地膨胀菜单资源，并以编程方式更改底部导航"视图的菜单项/标题.

But I am facing problem implementing it as per my app requirements. I want to inflate menu resource dynamically and change menu items/titles of the Bottom Navigation view programmatically.

inflateMenu(int menuResource)-using使用菜单资源标识符为底部导航视图添加菜单.

inflateMenu(int menuResource) — Inflate a menu for the bottom navigation view using a menu resource identifier.

根据文档:

inflateMenu:void inflateMenu(int resId) 将菜单资源添加到此导航视图中. 菜单中的现有项目将不会被修改或删除. 参数 resId int:要膨胀的菜单资源的ID

inflateMenu: void inflateMenu (int resId) Inflate a menu resource into this navigation view. Existing items in the menu will not be modified or removed. Parameters resId int: ID of a menu resource to inflate

尝试在导航视图中以编程方式使用此 inflateMenu(int resID)方法会引发异常"未找到资源"

Trying to use this inflateMenu(int resID) method programmatically with navigation view throws exception "Resource not found"

bottomNavigationView.inflateMenu(R.menu.bottom_navigation_menu);

是否可以在没有任何第三方库的情况下实现它?

Is it possible to achieve it without any third party libraries?

<?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="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <FrameLayout
        android:id="@+id/main_fragment_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@+id/bottom_navigation" />

    <android.support.design.widget.BottomNavigationView
        android:id="@+id/bottom_navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        app:itemBackground="@color/theme_action_bar_bg"
        app:itemIconTint="@color/white"
        app:itemTextColor="@color/white" />
</RelativeLayout>

菜单资源:

 <?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <item
        android:id="@+id/nav_bar_item_dashboard"
        android:enabled="true"
        android:icon="@drawable/ic_nav_bar_dashboard_24px"
        android:title="@string/nav_bar_item_dashboard"
        app:showAsAction="ifRoom" />
    <item
        android:id="@+id/nav_bar_item_people"
        android:enabled="true"
        android:icon="@drawable/ic_nav_bar_people_24px"
        android:title="@string/nav_bar_item_people"
        app:showAsAction="ifRoom" />
    <item
        android:id="@+id/nav_bar_item_classroom"
        android:enabled="true"
        android:icon="@drawable/ic_nav_bar_classroom_24px"
        android:title="@string/nav_bar_item_classrooms"
        app:showAsAction="ifRoom" />

    <item
        android:id="@+id/nav_bar_item_manage"
        android:enabled="true"
        android:icon="@drawable/ic_nav_bar_manage_24px"
        android:title="@string/nav_bar_item_manage"
        app:showAsAction="ifRoom" />

    <item
        android:id="@+id/nav_bar_item_more"
        android:enabled="true"
        android:icon="@drawable/ic_nav_bar_more_24px"
        android:title="@string/nav_bar_item_more"
        app:showAsAction="ifRoom" />
</menu>

在菜单资源中以编程方式对活动"中的底部导航"视图进行充气:

Inflating Programmatically in menuresource for Bottom Navigation view inside Activity:

navBar = (BottomNavigationView) findViewById(R.id.bottom_navigation);
    navBar.inflateMenu(R.menu.bottom_navigation_view);