问题描述
我正在使用以下代码在导航抽屉中添加页脚视图 -
I am adding footer-view in navigation drawer using following code -
<?xml version="1.0" encoding="utf-8"?>
<androidx.drawerlayout.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start">
<include
layout="@layout/app_bar_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<com.google.android.material.navigation.NavigationView
android:id="@+id/nv_top"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top|start">
<androidx.core.widget.NestedScrollView
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<include layout="@layout/nav_header_main"/>
<com.google.android.material.navigation.NavigationView
android:id="@+id/drawer_menu_body"
app:elevation="0dp"
android:layout_height="0dp"
android:layout_width="wrap_content"
android:layout_weight="1"
app:menu="@menu/activity_main_drawer">
</com.google.android.material.navigation.NavigationView>
<include layout="@layout/navigation_drawer_bottom_view"/>
</LinearLayout>
</androidx.core.widget.NestedScrollView>
</com.google.android.material.navigation.NavigationView>
</androidx.drawerlayout.widget.DrawerLayout>
但是现在 onNavigationItemSelected() 没有调用,导航抽屉也保持打开状态,直到我们手动滑动它.我正在使用导航组件和导航图.
But now onNavigationItemSelected() is not calling also navigation drawer keeps open until we slide it manually. I am using navigation-component and nav graph.
这是我的活动代码 -
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
val toolbar: Toolbar = findViewById(R.id.toolbar)
setSupportActionBar(toolbar)
val navController = findNavController(R.id.nav_host_fragment)
drawer_menu_body.setNavigationItemSelectedListener(this)
nv_top.setNavigationItemSelectedListener(this)
appBarConfiguration = AppBarConfiguration(
setOf(
R.id.nav_home,
R.id.nav_gallery,
R.id.nav_slideshow,
R.id.nav_tools,
R.id.nav_share,
R.id.nav_send
), drawer_layout)
setupActionBarWithNavController(navController, appBarConfiguration)
drawer_menu_body.setupWithNavController(navController)
nv_top.setupWithNavController(navController)
}
override fun onNavigationItemSelected(menu: MenuItem): Boolean {
Log.d("testing_navigation","testing_navigation")
drawer_layout.closeDrawer(GravityCompat.START)
return true
}
推荐答案
您将 setNavigationItemSelectedListener
与 NavigationView
附加在一起,这将在 setupWithNavController
.因此,请在配置默认设置后附加您的侦听器.检查下面的代码.
You attach setNavigationItemSelectedListener
with NavigationView
which will override during default configuration of setupWithNavController
. So attach your listener after configuring default settings. Check below code.
nv_top.setupWithNavController(navController)
drawer_menu_body.setNavigationItemSelectedListener(this)
更新:要使用默认导航,您必须按如下方式处理:
Update: To work with default navigation you have to handle like below:
override fun onNavigationItemSelected(menu: MenuItem): Boolean {
val handled = NavigationUI.onNavDestinationSelected(menu, navController)
if (!handled) {
// handle other navigation other than default
}
drawer_layout.closeDrawer(GravityCompat.START)
return handled
}
这篇关于选择项目时 onNavigationItemSelected 不调用的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!