以编程方式开始运动场景 [英] Start motion scene programmatically

问题描述

我有一个具有以下layoutDescription的运动布局: app:layoutDescription ="@ xml/scene"

I have a motion layout with this layoutDescription: app:layoutDescription="@xml/scene"

scene.xml

<MotionScene
    xmlns:motion="http://schemas.android.com/apk/res-auto">

    <Transition
        motion:constraintSetStart="@layout/view_home_card_start"
        motion:constraintSetEnd="@layout/view_home_card_end"
        motion:duration="1000">
        <OnSwipe
            motion:touchAnchorId="@+id/button"
            motion:touchAnchorSide="left"
            motion:dragDirection="dragLeft" />
    </Transition>

</MotionScene>

我认为 view_home_card_start 和 view_home_card_end 的xml是不相关的.

I think that the xml of view_home_card_start and view_home_card_end is irrelevant.

如何以编程方式调用此动画?

How can I call this animation programatically?

推荐答案

最后，我正在这样做:

((MotionLayout)findViewById(R.id.motionLayout)).transitionToEnd();
((MotionLayout)findViewById(R.id.motionLayout)).transitionToStart();

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