Resources$NotFoundException: Unable to find resource ID #0xffffffff using NestedScrollView with Moti
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【中文标题】Resources$NotFoundException: Unable to find resource ID #0xffffffff using NestedScrollView with Motionlayout【英文标题】： 【发布时间】：2020-10-10 17:38:45 【问题描述】：将NestedScrollView 与Motionlayout 结合使用时，出现上述书面错误。奇怪的是，这个错误只会发生，当Nestedscrollview 中有一些项目时（Constraintlayout 或textview，button，@ 987654331@ 等）AND 当我尝试向上移动 NestedScrollView 时。
使用ScrollView 解决了这个问题，但是滚动不起作用...
BaseXML（用于 MotionLayout）
<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="product"
type="com.example.app.framework.datasource.models.product.Product" />
</data>
<androidx.constraintlayout.motion.widget.MotionLayout
android:layout_
android:layout_
app:layoutDescription="@xml/shop_item_content_scene"
app:showPaths="true"
tools:context=".framework.ui.view.fragments.shop.ShopItemFragment">
<com.google.android.material.appbar.MaterialToolbar
android:id="@+id/shop_toolbar"
android:layout_
android:layout_
android:theme="@style/ThemeOverlay.AppCompat.Light"
app:menu="@menu/shop_item_toolbar"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="@+id/product_image"
android:layout_
android:layout_
android:layout_marginStart="72dp"
android:layout_marginTop="@dimen/standard8dpMargin"
android:layout_marginEnd="72dp"
android:adjustViewBounds="true"
android:background="@color/color_white"
android:contentDescription="@null"
android:fitsSystemWindows="true"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/shop_toolbar"
tools:src="@drawable/ic_example_logo" />
<com.google.android.material.textview.MaterialTextView
android:id="@+id/product_name"
android:layout_
android:layout_
android:layout_marginTop="@dimen/big16dpMargin"
android:layout_marginBottom="12dp"
android:ellipsize="end"
android:fontFamily="sans-serif-medium"
android:maxLines="2"
android:text="@product.name"
android:textAlignment="textStart"
android:textColor="@color/color_text_dark"
android:textSize="@dimen/textHeadlineNormal1"
app:layout_constraintBottom_toTopOf="@id/scrollview_shop"
app:layout_constraintEnd_toEndOf="@id/barrier"
app:layout_constraintStart_toStartOf="@id/margin_left"
app:layout_constraintTop_toBottomOf="@+id/product_image"
tools:text="This is a long text to test ellipsize" />
<com.google.android.material.button.MaterialButton
android:id="@+id/btn_shop"
style="@style/Widget.MaterialComponents.Button.Icon"
android:layout_
android:layout_
android:layout_marginEnd="16dp"
android:backgroundTint="@color/color_btn_blue"
android:insetLeft="0dp"
android:insetTop="0dp"
android:insetRight="0dp"
android:insetBottom="0dp"
android:padding="0dp"
app:icon="@drawable/ic_shopping_cart_filled"
app:iconGravity="textStart"
app:iconPadding="0dp"
app:layout_constraintBottom_toTopOf="@id/scrollview_shop"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@id/scrollview_shop"
app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.example.Button.Circle" />
<include
android:id="@+id/scrollview_shop"
layout="@layout/shop_item_scroll"
android:layout_
android:layout_
app:prod="@product"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/product_name" />
<androidx.constraintlayout.widget.Barrier
android:id="@+id/barrier"
android:layout_
android:layout_
app:barrierDirection="left"
app:constraint_referenced_ids="btn_shop" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/margin_left"
android:layout_
android:layout_
android:orientation="vertical"
app:layout_constraintGuide_begin="@dimen/big16dpMargin" />
</androidx.constraintlayout.motion.widget.MotionLayout>
</layout>
NestedScrollViewXML
<?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="prod"
type="com.example.app.framework.datasource.models.product.Product" />
</data>
<androidx.core.widget.NestedScrollView
android:id="@+id/scrollable"
android:layout_
android:layout_
app:layout_behavior="@string/appbar_scrolling_view_behavior"
android:background="@color/color_shop_item_background">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_
android:layout_>
<com.google.android.material.textview.MaterialTextView
android:id="@+id/product_article_number"
android:layout_
android:layout_
android:layout_marginTop="@dimen/standard8dpMargin"
android:text="FISCH123"
android:textAlignment="textStart"
android:textColor="@color/color_text_gray"
android:textDirection="locale"
android:textSize="@dimen/textDescriptionNormal2"
android:textStyle="normal"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="PRICE" />
<com.google.android.material.textview.MaterialTextView
android:id="@+id/tv_mwst_disclaimer"
android:layout_
android:layout_
android:layout_marginTop="@dimen/standard8dpMargin"
android:text="SEIFE123"
android:textAlignment="textStart"
android:textColor="@color/color_text_mwst"
android:textDirection="locale"
android:textSize="@dimen/textDescriptionNormal4"
android:textStyle="italic"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/product_article_number"
tools:text="PRICE" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.core.widget.NestedScrollView>
</layout>
内容场景 XML
<?xml version="1.0" encoding="utf-8"?>
<MotionScene xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:motion="http://schemas.android.com/tools">
<Transition
app:constraintSetEnd="@id/collapsed"
app:constraintSetStart="@id/expanded">
<OnSwipe
motion:dragDirection="dragUp"
app:onTouchUp="stop"
motion:touchAnchorId="@id/scrollview_shop"
motion:touchAnchorSide="top" />
<KeyFrameSet>
<KeyAttribute
app:motionTarget="@id/product_image"
app:framePosition="40"
android:alpha="0.0" />
</KeyFrameSet>
</Transition>
<ConstraintSet android:id="@+id/expanded" />
<ConstraintSet android:id="@+id/collapsed">
<Constraint
android:id="@id/product_image"
android:layout_
android:layout_marginStart="56dp"
android:layout_marginEnd="56dp"
android:alpha="0.0"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Constraint
android:id="@id/product_name"
android:layout_
android:layout_
android:layout_marginStart="56dp"
android:layout_marginEnd="@dimen/standard8dpMargin"
android:scaleX="0.925"
android:scaleY="0.925"
app:layout_constraintBottom_toBottomOf="@id/shop_toolbar"
app:layout_constraintTop_toTopOf="@id/shop_toolbar"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="@id/barrier" />
<Constraint
android:id="@id/btn_shop"
android:layout_marginEnd="@dimen/big16dpMargin"
android:layout_
android:layout_
app:layout_constraintBottom_toBottomOf="@id/shop_toolbar"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/product_name" />
</ConstraintSet>
</MotionScene>
片段
class ShopItemFragment : Fragment(R.layout.fragment_shop_item)
private val productArgs by navArgs<ShopItemFragmentArgs>()
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View?
return FragmentShopItemBinding.inflate(inflater, container, false).apply
product = productArgs.product
.root
override fun onViewCreated(view: View, savedInstanceState: Bundle?)
super.onViewCreated(view, savedInstanceState)
initToolbar()
private fun initToolbar() = with(shop_toolbar)
setupWithNavController(findNavController(), AppBarConfiguration(findNavController().graph))
堆栈跟踪
E/com.example.ap: No package ID ff found for ID 0xffffffff.
E/InputEventReceiver: Exception dispatching input event.
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.app, PID: 17221
android.content.res.Resources$NotFoundException: Unable to find resource ID #0xffffffff
at android.content.res.ResourcesImpl.getResourceName(ResourcesImpl.java:276)
at android.content.res.Resources.getResourceName(Resources.java:2064)
at androidx.constraintlayout.motion.widget.MotionLayout.getAnchorDpDt(MotionLayout.java:3572)
at androidx.constraintlayout.motion.widget.TouchResponse.scrollMove(TouchResponse.java:373)
at androidx.constraintlayout.motion.widget.MotionScene.processScrollMove(MotionScene.java:1347)
at androidx.constraintlayout.motion.widget.MotionLayout.onNestedPreScroll(MotionLayout.java:2500)
at androidx.core.view.ViewParentCompat.onNestedPreScroll(ViewParentCompat.java:386)
at androidx.core.view.NestedScrollingChildHelper.dispatchNestedPreScroll(NestedScrollingChildHelper.java:322)
at androidx.core.widget.NestedScrollView.dispatchNestedPreScroll(NestedScrollView.java:254)
at androidx.core.widget.NestedScrollView.onTouchEvent(NestedScrollView.java:888)
at android.view.View.dispatchTouchEvent(View.java:13415)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3054)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2741)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2755)
at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:465)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1849)
at android.app.Activity.dispatchTouchEvent(Activity.java:3993)
at androidx.appcompat.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:69)
at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:423)
at android.view.View.dispatchPointerEvent(View.java:13674)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:5482)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5285)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4788)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4841)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4807)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4947)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4815)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:5004)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4788)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4841)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4807)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4815)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4788)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:7505)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:7474)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:7435)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:7630)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:188)
at android.view.InputEventReceiver.nativeConsumeBatchedInputEvents(Native Method)
at android.view.InputEventReceiver.consumeBatchedInputEvents(InputEventReceiver.java:178)
at android.view.ViewRootImpl.doConsumeBatchedInput(ViewRootImpl.java:7581)
at android.view.ViewRootImpl$ConsumeBatchedInputRunnable.run(ViewRootImpl.java:7654)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:966)
at android.view.Choreographer.doCallbacks(Choreographer.java:790)
at android.view.Choreographer.doFrame(Choreographer.java:718)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:951)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
图片（带有ScrollView，但滚动不起作用）
已扩展 已折叠【问题讨论】：
【参考方案1】：好的，我已经解决了我的问题。有两个问题：我的颜色和我的布局 ID。
首先我删除了所有自定义的黑白颜色并使用了@android:color/white 和@android:color/black。其次，我为EVERY 布局（constraintlayout、我的motionlayout、textview 等）提供了一个自定义 ID。
滚动行为现在有效，我唯一的问题是，我得到W/MotionLayout: WARNING could not find view id -1 并且滚动真的很滞后。将针对此错误打开 another question。
【讨论】：
我今天遇到了同样的问题，你的两个问题都为我解决了。谢谢！ @SriHarshaChilakapti 很高兴我能帮上忙 我不知道运动布局中的每个视图都需要一个 Id，否则会导致找不到资源异常 ....!!以上是关于Resources$NotFoundException: Unable to find resource ID #0xffffffff using NestedScrollView with Moti的主要内容，如果未能解决你的问题，请参考以下文章
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