Created
February 21, 2020 23:04
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xml scene to demonstrate onClick and onSwipe transitions not working in motionLayout beta4
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<?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:constraintSetStart="@id/start" | |
app:constraintSetEnd="@id/end" | |
app:duration="1000"> | |
<OnSwipe | |
app:dragDirection="dragDown" | |
app:touchAnchorSide="top" | |
app:touchRegionId="@id/box" /> | |
</Transition> | |
<Transition | |
app:constraintSetStart="@id/start" | |
app:constraintSetEnd="@id/scaleUp" | |
app:duration="500"> | |
<OnClick | |
app:targetId="@id/box" | |
app:clickAction="toggle"/> | |
</Transition> | |
<ConstraintSet android:id="@+id/start"> | |
<Constraint android:id="@+id/box" | |
android:layout_width="100dp" | |
android:layout_height="100dp" | |
app:layout_constraintStart_toStartOf="parent" | |
app:layout_constraintEnd_toEndOf="parent" | |
app:layout_constraintTop_toTopOf="parent"/> | |
</ConstraintSet> | |
<ConstraintSet android:id="@+id/end"> | |
<Constraint android:id="@+id/box" | |
android:layout_width="100dp" | |
android:layout_height="100dp" | |
app:layout_constraintStart_toStartOf="parent" | |
app:layout_constraintEnd_toEndOf="parent" | |
app:layout_constraintBottom_toBottomOf="parent"/> | |
</ConstraintSet> | |
<ConstraintSet android:id="@+id/scaleUp" | |
app:deriveConstraintsFrom="@id/start"> | |
<Constraint android:id="@id/box" | |
android:layout_width="100dp" | |
android:layout_height="100dp" | |
android:scaleY="2" | |
android:scaleX="2"/> | |
</ConstraintSet> | |
</MotionScene> |
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Hello, as I said before, it is not working. You cannot have onSwipe and onClick on one element. here is a workaround:
https://github.com/PiotrPrus/MotionLayoutPlayground/blob/master/app/src/main/java/com/piotrprus/motionlayoutplayground/helper/CustomMotionLayout.kt