State Management

Posts tagged with State Management

Three teal event spheres enter a violet control hub that produces a warm off-white state panel and one small coral effect signal.

UI State, UI Events, and One-Time Effects in Compose

Model Compose screens with durable UI state, explicit UI events, and controlled one-time effects for navigation and snackbars.

A stylized violet state capsule splitting into small teal save tokens and restoring into a matching capsule.

rememberSaveable and Custom Savers in Jetpack Compose

Use rememberSaveable for small UI state that must survive recreation, create listSaver and mapSaver implementations for custom types, and avoid storing large data in Bundles.

A teal stack of rounded collection cards flows into a violet state container, with one small coral card being added.

Managing Lists and Collections as Compose State

Manage Jetpack Compose list and collection state with observable immutable updates, SnapshotStateList, stable lazy-list keys, and a clear ownership boundary.

A warm off-white state cube is protected inside a transparent violet frame while teal components remain fixed around it.

Immutable UI State and Stability in Jetpack Compose

Build immutable Jetpack Compose UI state, understand stability inference and strong skipping, and diagnose real recomposition problems before optimizing.

A stylized stream of teal state markers passing through a violet threshold gate to produce a single coral output marker.

derivedStateOf: Avoid Unnecessary Recompositions

Use derivedStateOf in Jetpack Compose only when a frequently changing input produces a less frequently changing UI result, with practical scroll-threshold examples and pitfalls.

A violet hub connects a teal observer loop, a warm off-white state panel, and a small coral latest-value marker.

DisposableEffect, SideEffect, and rememberUpdatedState Compared

Choose the right Compose effect API for cleanup, publishing rendered state, and reading the latest value without restarting a long-lived effect.

A teal stream flows through a violet lifecycle gate into a warm off-white Compose state panel, with a small coral event marker.

collectAsStateWithLifecycle with StateFlow

Collect StateFlow safely in Jetpack Compose with collectAsStateWithLifecycle, lifecycle-aware UI state, and a stateless screen boundary.

A violet vertical list moving along a teal scroll track with a coral button returning to the top.

rememberLazyListState: Observe and Control Scroll Position

Use rememberLazyListState in Jetpack Compose to react to LazyColumn scrolling, show a back-to-top action, send scroll events efficiently, and animate to an item.

Loading, Empty, Error, and Retry States in Compose Lists

Build clear loading, empty, error, and retry states around Jetpack Compose lists and Paging 3 without mixing UI state with list content.

Violet list cards moving along teal identity tracks with one coral highlighted card on a dark navy background.

Lazy List Keys: Preserve Item State and Animations

Use stable keys in Jetpack Compose lazy lists to preserve item identity, remembered state, scroll position, and item animations when data changes.

Violet state blocks flowing through a teal path into an abstract Compose screen on a dark navy background.

Declarative UI in Jetpack Compose Explained

Understand declarative UI in Jetpack Compose: describe UI from state, pass events upward, and let Compose update only what changes.

A dark technical illustration showing shared UI state in a parent container flowing to multiple synchronized child interface panels.

State Hoisting in Jetpack Compose with Real Examples

Learn when to hoist Jetpack Compose state, how stateful and stateless composables work, and where remember, state holders, and ViewModels belong.

A teal input path enters a violet reducer hub, which produces a warm off-white state panel and a small coral one-time effect signal.

MVI and Unidirectional Data Flow in Jetpack Compose

Build predictable Compose screens with immutable UI state, explicit actions, reducer-style ViewModel updates, and a deliberate policy for one-time effects.