小编Muh*_*ifi的帖子

I am getting

"Failed linking file resources"

with

"error: attribute type (aka com.testapp.client:type) not found"

When using the new MotionLayout, specifically when adding a KeyPosition element to the scene file.

My scene file for reference:

<?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">

<Transition
    app:constraintSetEnd="@id/collapsed"
    app:constraintSetStart="@id/expanded">

    <OnSwipe
        app:dragDirection="dragUp"
        app:touchAnchorId="@id/recyclerview"
        app:touchAnchorSide="top" />

    <KeyFrameSet>
        <KeyAttribute
            app:framePosition="60"
            app:target="@id/toolbar_image">
            <CustomAttribute
                app:attributeName="imageAlpha"
                app:customIntegerValue="255" />
        </KeyAttribute>
        <KeyAttribute
            app:framePosition="90"
            app:target="@id/toolbar_image">
            <CustomAttribute
                app:attributeName="imageAlpha"
                app:customIntegerValue="0" />
        </KeyAttribute>
        <KeyPosition
            app:type="pathRelative"
            app:framePosition="50"
            app:target="@id/title"
            app:percentX="0.9" />
    </KeyFrameSet>
</Transition>

<ConstraintSet android:id="@+id/expanded">
    <Constraint
        android:id="@id/toolbar_image"
        android:layout_height="200dp"
        app:layout_constraintEnd_toEndOf="parent" …