Execute long-running tasks in background isolates to keep the UI responsive. Use when performing heavy computations, parsing large datasets, or choosing between async/await and isolates.
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실행 점수 미검증
설치 방법 보기설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.
Dart uses a single-threaded event loop. All Flutter code runs on the Main Isolate by default. Blocking it causes jank.
| Condition | Approach |
|---|---|
| I/O bound (HTTP, database) | async/await on Main Isolate |
| CPU-bound, < 16ms | async/await on Main Isolate |
| CPU-bound, one-off heavy task | Isolate.run() |
| Continuous background processing | Isolate.spawn() with ports |
Isolate.run(() => myFunction(data)).await the result on the Main Isolate.ReceivePort on the Main Isolate.Isolate.spawn(entryPoint, mainPort.sendPort).ReceivePort and send its SendPort back.SendPort for bidirectional communication.See examples for complete code.
Isolate.run.FutureBuilder re-fires on every rebuild if the future is created inline.flutter test passes.When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:
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Upgrade an Android project to Android Gradle Plugin (AGP) 9. Use when migrating to AGP 9, updating Gradle build files, migrating to built-in Kotlin, or adopting the new AGP DSL.
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Apply Clean Architecture layering, modularization, and Unidirectional Data Flow in Android projects. Use when setting up project structure, placing code in layers, configuring feature/core modules, or implementing UDF patterns; defer Compose state and ViewModel/StateFlow implementation to their specific skills.
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Implement WorkManager and background processing correctly on Android. Use when creating Worker classes, scheduling tasks, choosing between WorkManager and Foreground Services, or setting up Hilt in workers; defer FCM and notification delivery to android-notifications.
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Build high-performance declarative UI with Jetpack Compose. Use when writing Composable functions, optimizing recomposition, hoisting state, or working with LazyColumn and side effects; defer deep-link and navigation routing to android-navigation.
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Migrate an Android XML View to Jetpack Compose following a structured 10-step workflow. Use when converting XML layouts to Compose, setting up Compose in an existing View-based project, or incrementally adopting Compose.
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Write correct coroutine scopes, lifecycle collection, and dispatcher injection in Android production code. Use for suspend functions, coroutine scopes, and dispatcher mechanics; defer ViewModel StateFlow/LiveData architecture, Fragment lifecycle recipes, persistence/notifications, and unit-test recipes to their specific skills.
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