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Description
After the Activity recreated (eg. daynight theme changed, screen orientation change), even if content scrolling occurs, the value of CollapsingToolbarState.progress
will not change and is fixed at 1.0.
demo code:
val state = rememberCollapsingToolbarState()
CollapsingToolbarScaffold(
state = rememberCollapsingToolbarScaffoldState(state),
scrollStrategy = ScrollStrategy.ExitUntilCollapsed,
modifier = Modifier.fillMaxSize(),
toolbar = {
Spacer(
modifier = Modifier.fillMaxWidth()
.height(160.dp)
.background(Color.Yellow)
)
Spacer(modifier = Modifier.height(10.dp).pin())
}
) {
LazyColumn(modifier = Modifier.fillMaxSize()) {
item { Text(text = "${state.progress}") }
items(1000) {
Text(it.toString())
}
}
}
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