android - Android 抽屉布局标题 - 无法访问它
问题描述
在我从年初开始的过去项目中,我在 mainActivity 代码中设置了我的 drawerHeader 的内容。我正在重写它,现在似乎无法通过 MainActivity 中的绑定访问标题。
我在活动 -> 导航视图 -> 抽屉标题中有一个常用的抽屉布局。我曾经通过简单的 binding.layoutDrawer.userDataHeader 访问它,但无论我做什么,它都找不到 userDataHeader。我究竟做错了什么?
主要活动布局
<?xml version="1.0" encoding="utf-8"?>
<layout 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">
<data>
<variable
name="mainActivity"
type="com.kerubyte.engagecommerce.presentation.ui.activity.MainActivity" />
</data>
<androidx.drawerlayout.widget.DrawerLayout
android:id="@+id/layout_drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".presentation.ui.activity.MainActivity">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/layout_activity_main_root"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".presentation.ui.activity.MainActivity">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/layout_actionbar_root"
android:layout_width="match_parent"
android:layout_height="?actionBarSize"
android:background="@color/primaryColor"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<ImageView
android:id="@+id/image_open_drawer_action"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_marginStart="10dp"
android:onClick="@{() -> mainActivity.openDrawerMenu()}"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_hamburger" />
<ImageView
android:id="@+id/image_open_profile_action"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_marginEnd="24dp"
android:onClick="@{() -> mainActivity.onProfileClick()}"
app:layout_constraintBottom_toBottomOf="@+id/image_open_cart_action"
app:layout_constraintEnd_toStartOf="@+id/image_open_cart_action"
app:layout_constraintTop_toTopOf="@+id/image_open_cart_action"
app:srcCompat="@drawable/ic_person" />
<ImageView
android:id="@+id/image_open_cart_action"
android:layout_width="32dp"
android:layout_height="32dp"
android:layout_marginEnd="12dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@drawable/ic_cart" />
<TextView
android:id="@+id/text_user_cart_items_number"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:text="0"
android:textSize="16sp"
app:layout_constraintBottom_toBottomOf="@+id/image_open_cart_action"
app:layout_constraintEnd_toEndOf="@+id/image_open_cart_action"
app:layout_constraintHorizontal_bias="0.55"
app:layout_constraintStart_toStartOf="@+id/image_open_cart_action"
app:layout_constraintTop_toTopOf="@+id/image_open_cart_action" />
</androidx.constraintlayout.widget.ConstraintLayout>
<fragment
android:id="@+id/nav_host_fragment"
android:name="androidx.navigation.fragment.NavHostFragment"
android:layout_width="match_parent"
android:layout_height="0dp"
app:defaultNavHost="true"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/layout_actionbar_root"
app:layout_constraintVertical_bias="1.0"
app:navGraph="@navigation/navigation" />
</androidx.constraintlayout.widget.ConstraintLayout>
<com.google.android.material.navigation.NavigationView
android:id="@+id/layout_navigation_menu"
app:headerLayout="@layout/drawer_header"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:maxWidth="300dp"
app:menu="@menu/drawer_menu" />
</androidx.drawerlayout.widget.DrawerLayout>
</layout>
抽屉标题布局
<?xml version="1.0" encoding="utf-8"?>
<layout 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">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/user_data_header"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<com.makeramen.roundedimageview.RoundedImageView
android:id="@+id/image_user_avatar"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_marginTop="16dp"
android:scaleType="centerCrop"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:riv_oval="true"/>
<View
android:id="@+id/view_avatar_support"
android:layout_width="1dp"
android:layout_height="1dp"
app:layout_constraintBottom_toBottomOf="@+id/image_user_avatar"
app:layout_constraintEnd_toEndOf="@+id/image_user_avatar"
app:layout_constraintStart_toStartOf="@+id/image_user_avatar"
app:layout_constraintTop_toTopOf="@+id/image_user_avatar" />
<TextView
android:id="@+id/text_user_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginBottom="8dp"
android:text="TextView"
app:layout_constraintBottom_toTopOf="@+id/text_user_email"
app:layout_constraintStart_toEndOf="@+id/image_user_avatar" />
<TextView
android:id="@+id/text_user_email"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginBottom="8dp"
android:text="TextView"
app:layout_constraintBottom_toBottomOf="@+id/image_user_avatar"
app:layout_constraintStart_toEndOf="@+id/image_user_avatar" />
</androidx.constraintlayout.widget.ConstraintLayout>
</layout>
主要活动
@AndroidEntryPoint
class MainActivity : AppCompatActivity() {
private val mainViewModel: ActivityMainViewModel by viewModels()
lateinit var binding: ActivityMainBinding
private lateinit var navigationView: NavigationView
private lateinit var navController: NavController
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = DataBindingUtil
.setContentView(
this,
R.layout.activity_main
)
navigationView = binding.layoutNavigationMenu
navController = Navigation.findNavController(
this,
R.id.nav_host_fragment
)
NavigationUI.setupWithNavController(navigationView, navController)
setBindings()
setupObserver()
}
private fun updateDrawerHeader(user: User) {
binding.layoutDrawer.userDataHeader.text_first_name_value_header.text = user.firstName
binding.layoutDrawer.userDataHeader.text_last_name_value_header.text = user.lastName
binding.layoutDrawer.userDataHeader.text_email_value_header.text = user.email
}
}
我试图用
private fun updateDrawerHeader(user: User) {
binding.layoutDrawer.userDataHeader.text_first_name_value_header.text = user.firstName
binding.layoutDrawer.userDataHeader.text_last_name_value_header.text = user.lastName
binding.layoutDrawer.userDataHeader.text_email_value_header.text = user.email
}
userDataHeader 我找不到。
解决方案
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