android - 数据绑定在 CreateViewHolder 上崩溃
问题描述
在为 recyclerView 创建 viewHolder 时，移动到单活动应用程序数据绑定后崩溃如下。
问题是关于导致崩溃的原因的信息很少（见下面的日志）。
我尝试重建并使 gradle 和 android studio 缓存无效，但没有成功。
internal class ChatListAdapter (
private val moduleInstanceId: String
) : ListAdapter<ChatItemData, ChatListAdapter.ViewHolder>(ChatItemDataDiffCallBack){
override fun onCreateViewHolder (parent: ViewGroup, viewType: Int): ViewHolder {
return ViewHolder( // NOTE: crashes here.
ItemChatBinding.inflate(
LayoutInflater.from(parent.context), parent, false
)
)
}
...
....
}
适配器试图膨胀的 xml 文件
<?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="onChatClickListener"
type="android.view.View.OnClickListener" />
<variable
name="chatItemData"
type="no.flare.chat.chat.viewModel.ChatItemData"/>
</data>
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="0dp"
android:layout_marginBottom="2dp"
android:onClick="@{onChatClickListener}"
app:cardCornerRadius="6dp"
app:contentPadding="16dp"
app:cardElevation="2dp">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/item_chat_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:text="@{chatItemData.chat.id}"
android:textColor="@android:color/black"
android:textSize="15sp"
android:textStyle="bold"
app:layout_constraintEnd_toStartOf="@+id/chat_item_last_message_time"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="Chat Name" />
<TextView
android:id="@+id/chat_item_last_message_author_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@{chatItemData.detailText}"
android:textColor="@android:color/black"
android:textSize="15sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/item_chat_name"
tools:text="Last message author name" />
<TextView
android:id="@+id/chat_item_last_message_time"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@{chatItemData.lastMessageTimestampFormatted}"
android:textColor="@android:color/black"
android:textSize="12sp"
app:layout_constraintBottom_toBottomOf="@+id/item_chat_name"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@+id/item_chat_name"
tools:text="13:37" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.cardview.widget.CardView>
</layout>
E/AndroidRuntime: FATAL EXCEPTION: main
Process: no.flare.localchat, PID: 15004
java.lang.NoClassDefFoundError: Failed resolution of: Landroidx/databinding/DataBinderMapperImpl;
at androidx.databinding.DataBindingUtil.<clinit>(DataBindingUtil.java:32)
at androidx.databinding.DataBindingUtil.getDefaultComponent(DataBindingUtil.java:65)
at no.flare.chat.databinding.ItemChatBinding.inflate(ItemChatBinding.java:60)
at no.flare.chat.chat.view.ChatListAdapter.onCreateViewHolder(ChatListAdapter.kt:20)
at no.flare.chat.chat.view.ChatListAdapter.onCreateViewHolder(ChatListAdapter.kt:14)
at androidx.recyclerview.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:6794)
at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5975)
at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5858)
at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5854)
at androidx.recyclerview.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2230)
at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1557)
at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1517)
at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:612)
at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3924)
at androidx.recyclerview.widget.RecyclerView.onMeasure(RecyclerView.java:3336)
at android.view.View.measure(View.java:23169)
at androidx.constraintlayout.widget.ConstraintLayout.internalMeasureChildren(ConstraintLayout.java:1227)
at androidx.constraintlayout.widget.ConstraintLayout.onMeasure(ConstraintLayout.java:1572)
at android.view.View.measure(View.java:23169)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6749)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
at android.view.View.measure(View.java:23169)
at androidx.constraintlayout.widget.ConstraintLayout.onMeasure(ConstraintLayout.java:1676)
at android.view.View.measure(View.java:23169)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6749)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
at androidx.appcompat.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:143)
at android.view.View.measure(View.java:23169)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6749)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1535)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:825)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:704)
at android.view.View.measure(View.java:23169)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6749)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
at android.view.View.measure(View.java:23169)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6749)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1535)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:825)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:704)
at android.view.View.measure(View.java:23169)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6749)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:185)
at com.android.internal.policy.DecorView.onMeasure(DecorView.java:716)
at android.view.View.measure(View.java:23169)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2718)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1572)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1855)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1460)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:7183)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:949)
E/AndroidRuntime: at android.view.Choreographer.doCallbacks(Choreographer.java:761)
at android.view.Choreographer.doFrame(Choreographer.java:696)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:935)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: java.lang.ClassNotFoundException: Didn't find class "androidx.databinding.DataBinderMapperImpl" on path: DexPathList[[zip file "/data/app/no.flare.localchat-8I0HCDhRZHuOP-NgkYwsYg==/base.apk"],nativeLibraryDirectories=[/data/app/no.flare.localchat-8I0HCDhRZHuOP-NgkYwsYg==/lib/x86, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:134)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
... 61 more
解决方案
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