hard20 pts · first answer countsjetpack-composelists

Wrong row expanded after insert

Each row in a LazyColumn keeps a remembered "expanded" flag. After a new message is inserted at the top, a different row appears expanded. What is the fix?

A.Use a Column instead of a LazyColumnB.Switch remember to rememberSaveable, which stores each row state in the saved instance bundle and restores it on the matching rowC.Give items a stable key, such as items(messages, key = { it.id }), so remembered state follows the item instead of its positionD.Increase how many items the LazyColumn keeps in memory

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Wrong row expanded after insert

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