Hi :smile: I added AnimatedVisibility to each ite...

# compose

[Tuba Kesten]

Hi 😄 I added AnimatedVisibility to each item in a lazyColumn. I want to invoke an action at the end of tween animation. I can add listener to animateColorAsState ; however,  this causes to take action while tween animation is running. Is there any way to understand  when the exit animation completed?

[Tuba Kesten]

LazyColumn {
    itemsIndexed(questionsData.questions) { index, item ->
        if (index == 0)
            Spacer(
                modifier = Modifier
                    .height(56.dp)
                    .fillMaxWidth()
            )
        androidx.compose.animation.AnimatedVisibility(
            visible = item.selectedAnswer.isNullOrEmpty(),
            enter = expandHorizontally(),
            exit = shrinkHorizontally(
                animationSpec = tween(
                    durationMillis = 500,
                )
            )
        ) {
            val color: Color by animateColorAsState(
                if (item.selectedAnswer.isNullOrEmpty()) placeHolderColor else secondaryColor,
                finishedListener = {
                    if (progress == 1f) {
                        backAction()
                    }
                }
            )
            QuestionTitleView(
                item.question,
                onQuestionAnswerAction = {
                    onQuestionAnswerAction(item)
                },
                backgroundColor = color
            )
        }
    }
}

[Colton Idle]

Possibly xy problem? What are you trying to do? Animate items as they come onto the screen. If so, i recall theres a specific api for that?

If not, then sorry for not helping.

[Doris Liu]

To observe the state of AnimatedVisibility consider using the AnimatedVisibility API that accepts a MutableTransitionState, you can then check its currentState against targetState for when the animation has finished.

Note that once the animation has finished exiting, the content block of the AnimatedVisibility will be skipped altogether. In other words, you won't be able to trigger animations in the child of AnimatedVisibility once it finishes exiting