GPT

Local Mutable State

// ❌ BAD — counter resets on every recomposition @Composable fun Counter() { var count = 0 Button(onClick = { count++ }) { Text("$count") } } // ❌ BAD — same rule inside Column/Row content lambdas @Composable fun Wrap

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// ❌ BAD — counter resets on every recomposition
@Composable fun Counter() {
 var count = 0
 Button(onClick = { count++ }) { Text("$count") }
}

// ❌ BAD — same rule inside Column/Row content lambdas
@Composable fun Wrapper() {
 Row { var count = 0 /* ... */ }
}

// ✅ GOOD — remember survives recomposition; mutableStateOf triggers it
@Composable fun Counter() {
 var count by remember { mutableIntStateOf(0) }
 Button(onClick = { count++ }) { Text("$count") }
}

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