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A stateful Compose component is hard to test and reuse. Learn how to hoist state to the caller, keep composables stateless, and avoid the recomposition and prop-drilling traps.
Keep non-Parcelable UI state alive across configuration changes and process death in Jetpack Compose by defining a custom Saver for rememberSaveable.
LazyColumn or a scrollable Column? A decision guide covering composition cost, keys, the infinite-constraints crash, and a quick way to validate the difference yourself.
Learn how hoisting state with remember and mutableStateOf keeps composables stateless, limits recomposition scope, and improves UI performance.
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