[android] harden AppStateModule initial state#57
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RubyFeinstein merged 1 commit into0.78.0-discordfrom May 5, 2025
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[android] harden AppStateModule initial state#57RubyFeinstein merged 1 commit into0.78.0-discordfrom
RubyFeinstein merged 1 commit into0.78.0-discordfrom
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RubyFeinstein
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## Issue During app startup, react-native's `AppState.currentState` can incorrectly report `background` when the app is actually in the foreground. This happens because: 1. `AppStateModule` relies on `onHostResume` and `onHostPause` event subscriptions to track state 2. The initial state can incorrectly initialize to `APP_STATE_BACKGROUND` when `reactContext.lifecycleState === LifecycleState.BEFORE_CREATE` (which occurs before root view attachment) ## Solution This PR adds an `isAppForegroundedByMemoryState()` method that provides a more accurate initial state detection when the React context is in `BEFORE_CREATE` lifecycle state. ## Future Improvements While this is a quick workaround to address the immediate issue, potential future improvements: 1. Leveraging Android activity lifecycle to set initial state to `RESUMED` on `onCreate` 2. Mapping `LifecycleState.BEFORE_CREATE` to `unknown` instead of incorrectly mapping to `background`
bdbaraban
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May 22, 2025
## Issue During app startup, react-native's `AppState.currentState` can incorrectly report `background` when the app is actually in the foreground. This happens because: 1. `AppStateModule` relies on `onHostResume` and `onHostPause` event subscriptions to track state 2. The initial state can incorrectly initialize to `APP_STATE_BACKGROUND` when `reactContext.lifecycleState === LifecycleState.BEFORE_CREATE` (which occurs before root view attachment) ## Solution This PR adds an `isAppForegroundedByMemoryState()` method that provides a more accurate initial state detection when the React context is in `BEFORE_CREATE` lifecycle state. ## Future Improvements While this is a quick workaround to address the immediate issue, potential future improvements: 1. Leveraging Android activity lifecycle to set initial state to `RESUMED` on `onCreate` 2. Mapping `LifecycleState.BEFORE_CREATE` to `unknown` instead of incorrectly mapping to `background`
Flewp
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Aug 25, 2025
## Issue During app startup, react-native's `AppState.currentState` can incorrectly report `background` when the app is actually in the foreground. This happens because: 1. `AppStateModule` relies on `onHostResume` and `onHostPause` event subscriptions to track state 2. The initial state can incorrectly initialize to `APP_STATE_BACKGROUND` when `reactContext.lifecycleState === LifecycleState.BEFORE_CREATE` (which occurs before root view attachment) ## Solution This PR adds an `isAppForegroundedByMemoryState()` method that provides a more accurate initial state detection when the React context is in `BEFORE_CREATE` lifecycle state. ## Future Improvements While this is a quick workaround to address the immediate issue, potential future improvements: 1. Leveraging Android activity lifecycle to set initial state to `RESUMED` on `onCreate` 2. Mapping `LifecycleState.BEFORE_CREATE` to `unknown` instead of incorrectly mapping to `background`
Flewp
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Oct 8, 2025
## Issue During app startup, react-native's `AppState.currentState` can incorrectly report `background` when the app is actually in the foreground. This happens because: 1. `AppStateModule` relies on `onHostResume` and `onHostPause` event subscriptions to track state 2. The initial state can incorrectly initialize to `APP_STATE_BACKGROUND` when `reactContext.lifecycleState === LifecycleState.BEFORE_CREATE` (which occurs before root view attachment) ## Solution This PR adds an `isAppForegroundedByMemoryState()` method that provides a more accurate initial state detection when the React context is in `BEFORE_CREATE` lifecycle state. ## Future Improvements While this is a quick workaround to address the immediate issue, potential future improvements: 1. Leveraging Android activity lifecycle to set initial state to `RESUMED` on `onCreate` 2. Mapping `LifecycleState.BEFORE_CREATE` to `unknown` instead of incorrectly mapping to `background`
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Issue
During app startup, react-native's
AppState.currentStatecan incorrectly reportbackgroundwhen the app is actually in the foreground. This happens because:AppStateModulerelies ononHostResumeandonHostPauseevent subscriptions to track stateAPP_STATE_BACKGROUNDwhenreactContext.lifecycleState === LifecycleState.BEFORE_CREATE(which occurs before root view attachment)Solution
This PR adds an
isAppForegroundedByMemoryState()method that provides a more accurate initial state detection when the React context is inBEFORE_CREATElifecycle state.Future Improvements
While this is a quick workaround to address the immediate issue, potential future improvements:
RESUMEDononCreateLifecycleState.BEFORE_CREATEtounknowninstead of incorrectly mapping tobackground