- Remove `appIcon: Drawable` from `AppInfo` to significantly reduce memory footprint and prevent OOM.
- Replace synchronous icon loading in `AppManagerUtil` with on-demand asynchronous loading.
- Implement custom `AppIconFetcher` using `appicon:` URI scheme for system icon retrieval.
- Use localized `fetcherFactory` in `AppListItem` to keep loading logic isolated and minimize global side effects.
- Improve app list scanning speed by skipping icon extraction during initial load.
- Refactor subscription synchronization and testing from static object to a dedicated foreground service.
- Implement SubscriptionUpdateService with accurate lifecycle management using AtomicInteger (runningTasks).
- Enforce serial execution of subscription updates via Semaphore(1) to ensure data integrity and bandwidth control.
- Fix NetworkOnMainThreadException by switching service execution to Dispatchers.IO.
- Decouple update logic from Main UI components for better modularity.
- Prevent rapid rescheduling loops by updating 'lastUpdated' timestamp at the start of the task.
- Simplify messaging by supporting multiple subscription IDs in a single SubscriptionUpdateMessage.
Refactored MainActivity and its Compose UI components to use a single
onAction: (MainAction) -> Unit callback. This significantly simplifies
component signatures and centralizes interaction logic.
- Updated MainContract.kt to include all UI-triggered actions.
- Modified MainScreen and sub-components (TopBar, BottomBar, Drawer, etc.)
to use the unified onAction dispatcher.
- Implemented a centralized action handler in MainActivity to dispatch
between ViewModel and Activity-specific tasks.
- Removed redundant ImportConfigViaSub action.
- Moved QR code generation state into MainUiState for MVI consistency.
This change reduces parameter drilling and improves maintainability of
the main interface.
Improve settings UX consistency across Compose screens: disabled setting text now uses proper muted alpha for title/description, domain strategy and geo source pickers now use shared `SettingsListItem` instead of custom click/dialog state, routing rule row UI was extracted into a reusable composable, and several settings toggles were un-gated so they can be changed outside VPN-only conditions.
Move manual subscription updates to WorkManager-based background jobs and simplify scheduler logic by handling auto-update checks in `scheduleOne`. Add post-update server testing support with optional invalid-node cleanup and sorting, plus MMKV/AngConfig helpers to remove multiple servers and reorder subscription servers by test delay. Update the subscriptions UI flow and zh-TW strings to reflect background execution and new auto-test options.
- Implement BaseViewModel to centralize loading state and UI event handling.
- Migrate all ViewModels (Main, Backup, Logcat, etc.) to inherit from BaseViewModel.
- Convert MainViewModel from AndroidViewModel to standard ViewModel using global app context.
- Standardize UI events using ViewModelEvent/BaseViewModelEvent sealed interfaces.
- Simplify loading logic with launchLoading helper and direct toast notifications.
- Cleanup redundant loading/toast boilerplate code across the application.
- Update LogcatActivity to observe the unified isLoading state.
- Create BaseViewModel to encapsulate common UI state (isLoading) and logic (toasts, finishing activity).
- Implement ViewModelEvent and BaseViewModelEvent for standardized UI communication via SideEffects.
- Move core business logic (I/O, Zip, WebDAV) from BackupActivity to BackupViewModel.
- Standardize code naming conventions and update documentation to English.
- Improve Activity purity by delegating state management and background tasks to the ViewModel.
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