我正在尝试查看设计库中是否存在任何内置动画来创建浮动操作按钮，并将其转换为单个材料表，如材料设计图像中所示
https://material-design.storage.googleapis.com/publish/material_v_4/material_ext_publish/0B8v7jImPsDi-TjBicTdvQjg4M1E/components-buttons-fab-transition_card_02.webm https://material-design.storage.googleapis.com/publish/material_v_4/material_ext_publish/0B8v7jImPsDi-TjBicTdvQjg4M1E/components-buttons-fab-transition_card_02.webm
Use MaterialContainerTransform从材料成分来看：
private fun toggleFabMenu() {
val views = listOf<View>(fab, menuView).sortedBy { !it.isVisible }
val shareMenuTransform = MaterialContainerTransform().apply {
startView = views.first()
endView = views.last()
scrimColor = Color.TRANSPARENT
duration = 500
}
TransitionManager.beginDelayedTransition(root, shareMenuTransform)
views.first().isVisible = false
views.last().isVisible = true
}
请参阅文档了解更多详细信息：https://material.io/develop/android/theming/motion https://material.io/develop/android/theming/motion
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