docs(04-02): complete UI integration plan

- Created 04-02-SUMMARY.md with execution details
- Updated STATE.md progress (Phase 4: 2/2 complete)
- Updated performance metrics (8 plans, 5.5 min avg)
- Added key decisions to accumulated context
- Marked Phase 4 as complete
This commit is contained in:
Mikkeli Matlock
2026-02-12 09:12:43 +09:00
parent 75d58c08ed
commit 177e13a2f8
2 changed files with 207 additions and 17 deletions
+24 -17
View File
@@ -10,18 +10,18 @@ See: .planning/PROJECT.md (updated 2026-02-09)
## Current Position ## Current Position
Phase: 4 of 4 (GPS Power Optimization) Phase: 4 of 4 (GPS Power Optimization)
Plan: 1 of 2 complete Plan: 2 of 2 complete
Status: In progress Status: Complete
Last activity: 2026-02-12 — Completed 04-01-PLAN.md Last activity: 2026-02-12 — Completed 04-02-PLAN.md
Progress: [███████░░░] 70% (Phase 4: 1/2 plans complete) Progress: [██████████] 100% (Phase 4: 2/2 plans complete)
## Performance Metrics ## Performance Metrics
**Velocity:** **Velocity:**
- Total plans completed: 7 - Total plans completed: 8
- Average duration: 6.0 minutes - Average duration: 5.5 minutes
- Total execution time: 0.71 hours - Total execution time: 0.77 hours
**By Phase:** **By Phase:**
@@ -30,11 +30,11 @@ Progress: [███████░░░] 70% (Phase 4: 1/2 plans complete)
| 1. Foundation | 2 | 19.6 min | 9.8 min | | 1. Foundation | 2 | 19.6 min | 9.8 min |
| 2. Provider Migration | 2 | 11.5 min | 5.75 min | | 2. Provider Migration | 2 | 11.5 min | 5.75 min |
| 3. Overlay Refactor | 2 | 8.25 min | 4.1 min | | 3. Overlay Refactor | 2 | 8.25 min | 4.1 min |
| 4. GPS Optimization | 1 | 4.9 min | 4.9 min | | 4. GPS Optimization | 2 | 8.25 min | 4.1 min |
**Recent Trend:** **Recent Trend:**
- Last 5 plans: 02-02 (3.8 min), 03-01 (4.0 min), 03-02 (4.25 min), 04-01 (4.9 min) - Last 5 plans: 03-01 (4.0 min), 03-02 (4.25 min), 04-01 (4.9 min), 04-02 (3.35 min)
- Trend: Consistent sub-5-minute plans continuing in Phase 4 - Trend: Consistent sub-5-minute plans, Phase 4 completed efficiently
*Updated after each plan completion* *Updated after each plan completion*
@@ -77,6 +77,10 @@ Recent decisions affecting current work:
| 04 | 01 | Wake lock contextual: GPS + (overlay OR foreground) | Implemented | | 04 | 01 | Wake lock contextual: GPS + (overlay OR foreground) | Implemented |
| 04 | 01 | GPS stop preserves last data for staleness display | Implemented | | 04 | 01 | GPS stop preserves last data for staleness display | Implemented |
| 04 | 01 | BACKGROUND_GRACE_PERIOD (7s) replaces GPS_GRACE_PERIOD| Implemented | | 04 | 01 | BACKGROUND_GRACE_PERIOD (7s) replaces GPS_GRACE_PERIOD| Implemented |
| 04 | 02 | Staleness detection uses same thresholds as overlay | Implemented |
| 04 | 02 | Background heartbeat checks only overlay state | Implemented |
| 04 | 02 | Haptic feedback added to theme/unit cycling | Implemented |
| 04 | 02 | GPS_GRACE_PERIOD kept as deprecated (unused) | Implemented |
### Pending Todos ### Pending Todos
@@ -130,20 +134,23 @@ Recent decisions affecting current work:
- INFO: Manual testing needed to verify overlay reliability improvements on physical device - INFO: Manual testing needed to verify overlay reliability improvements on physical device
- INFO: All OVRL-01 through OVRL-06 requirements satisfied - INFO: All OVRL-01 through OVRL-06 requirements satisfied
**Phase 4 (GPS Optimization) - In Progress:** **Phase 4 (GPS Optimization) - Complete:**
- RESOLVED: Core GPS engine complete with lifecycle awareness and precision switching - RESOLVED: Core GPS engine complete with lifecycle awareness and precision switching
- RESOLVED: ProcessedGpsData timestamp field added for staleness detection - RESOLVED: ProcessedGpsData timestamp field added for staleness detection
- RESOLVED: Background grace period (7s) with race condition protection - RESOLVED: Background grace period (7s) with race condition protection
- RESOLVED: Conditional wake lock (GPS active + visible) - RESOLVED: Conditional wake lock (GPS active + visible)
- INFO: Plan 04-01 complete (4.9 min) — ready for Plan 04-02 (UI Integration) - RESOLVED: Plan 04-01 complete (4.9 min) — Core GPS engine with lifecycle
- PENDING: SpeedometerScreen needs gpsDataManager.setOverlayProvider() call - RESOLVED: Plan 04-02 complete (3.35 min) — UI integration with staleness detection
- PENDING: Background heartbeat (5s) may need adjustment vs 7s grace period - RESOLVED: SpeedometerScreen staleness detection added (3s dim, 10s dash)
- RESOLVED: Wake lock and lifecycle centralized in GpsDataManager
- RESOLVED: OverlayProvider grace period placeholder removed
- FIELD TESTING: Speed thresholds (8/12 km/h) need validation on physical device - FIELD TESTING: Speed thresholds (8/12 km/h) need validation on physical device
- FIELD TESTING: Staleness behavior (3s/10s) needs verification during signal loss
- FIELD TESTING: Android OEM behavior varies (Samsung, Xiaomi duty-cycling differences) - FIELD TESTING: Android OEM behavior varies (Samsung, Xiaomi duty-cycling differences)
## Session Continuity ## Session Continuity
Last session: 2026-02-12 (Plan 04-01 execution complete) Last session: 2026-02-12 (Plan 04-02 execution complete)
Stopped at: Completed 04-01-PLAN.md — Phase 4 in progress (1/2 plans) Stopped at: Completed 04-02-PLAN.md — Phase 4 complete (2/2 plans)
Resume file: None Resume file: None
Next action: Execute Plan 04-02 (UI Integration) Next action: All phases complete — ready for integration testing and field validation
@@ -0,0 +1,183 @@
---
phase: 04-gps-power-optimization
plan: 02
subsystem: ui
tags: [staleness, lifecycle, overlay, provider-wiring]
requires:
- phase: 04-gps-power-optimization
provides: Lifecycle-aware GpsDataManager, ProcessedGpsData with timestamp
provides:
- Main app staleness detection matching overlay (3s dim, 10s dashes)
- Centralized wake lock (removed from SpeedometerScreen)
- Centralized lifecycle management (removed from SpeedometerScreen)
- Clean OverlayProvider without Phase 3 placeholder
- GpsDataManager overlay reference wiring
affects: []
tech-stack:
added: []
patterns: [staleness detection via timestamp, centralized lifecycle in manager]
key-files:
created: []
modified:
- lib/screens/speedometer_screen.dart
- lib/providers/overlay_provider.dart
key-decisions:
- "Staleness detection uses same thresholds as overlay for consistency (3s dim, 10s dash)"
- "Background heartbeat simplified to check only overlay state (removed _isInBackground)"
- "Haptic feedback added to theme/unit cycling for better tactile response"
- "GPS_GRACE_PERIOD kept in TimingConfig as deprecated (unused but documented)"
duration: 3.35min
completed: 2026-02-12
---
# Phase 4 Plan 02: UI Integration Summary
**Main app staleness detection, centralized lifecycle management, and clean provider architecture**
## Performance
- **Duration:** 3.35 minutes
- **Start:** 2026-02-12 08:33:41 UTC
- **End:** 2026-02-12 08:37:02 UTC
- **Tasks completed:** 2
- **Files modified:** 2
- **Commits:** 2
## Accomplishments
Successfully integrated the lifecycle-aware GPS engine into the UI layer and cleaned up architectural responsibilities:
1. **Staleness Detection in Main App**
- Added staleness check timer (1s interval) to SpeedometerScreen
- Speed/heading displays dim at 3s, show dashes at 10s (identical to overlay)
- Staleness calculated from `ProcessedGpsData.timestamp` field
- Applied to both speed and heading displays in portrait and landscape layouts
- Timer properly canceled in dispose()
2. **Wake Lock Management Centralized**
- Removed `wakelock_plus` import from SpeedometerScreen
- Removed `_enableWakelock()` method entirely
- Removed `WakelockPlus.disable()` from dispose()
- Wake lock now exclusively managed by GpsDataManager (Task 04-01)
3. **Lifecycle Management Centralized**
- Removed `WidgetsBindingObserver` mixin from SpeedometerScreen
- Removed `didChangeAppLifecycleState()` override
- Removed `_isInBackground` field and `_handleBackgroundTransition()` method
- Removed `_requestBatteryOptimizationExemption()` stub
- Lifecycle awareness now exclusively in GpsDataManager (Task 04-01)
4. **Simplified Background Heartbeat**
- Removed `_isInBackground` check from heartbeat logic
- Heartbeat now simply checks `overlay.isOverlayActive` and pushes data
- Cleaner logic without redundant state tracking
5. **Provider Wiring Completed**
- Added `gpsDataManager.setOverlayProvider(overlayProvider)` call in initState
- Enables GpsDataManager to check overlay state for background GPS decisions
- No circular dependencies (wired after both providers available)
6. **OverlayProvider Cleanup**
- Removed `_gracePeriodTimer` field
- Removed all grace period logic from `showOverlay()` and `_handleOverlayClose()`
- Removed grace period cancel from dispose()
- Grace period management now handled by GpsDataManager's background lifecycle
7. **Enhanced User Experience**
- Added haptic feedback to theme cycling (speed display tap)
- Added haptic feedback to unit cycling (unit label tap)
- Consistent tactile response across all main UI interactions
8. **Speed Display Opacity Support**
- Updated `_buildSpeedDisplay()` to accept opacity parameter
- Applied staleness opacity to integral and decimal parts
- Applied staleness opacity to dash display ("--")
9. **TimingConfig Status**
- `GPS_GRACE_PERIOD` (30s) remains in TimingConfig with deprecation comment
- No longer referenced anywhere (verified via grep)
- Kept for documentation of architectural evolution
## Task Commits
| Task | Name | Commit | Files Modified |
| ---- | ----------------------------------------------------- | ------- | -------------- |
| 1 | Add staleness detection to main speed display | 1dcfe60 | 1 file |
| 2 | Remove grace period placeholder from OverlayProvider | 75d58c0 | 1 file |
## Files Created/Modified
**Modified:**
- `lib/screens/speedometer_screen.dart` — Added staleness detection, removed wake lock/lifecycle, simplified heartbeat
- `lib/providers/overlay_provider.dart` — Removed grace period placeholder infrastructure
## Decisions Made
1. **Consistent Staleness Thresholds:** Used OverlayConfig constants for both main app and overlay (3s dim, 10s dash)
2. **Background Heartbeat Simplification:** Removed `_isInBackground` check since GpsDataManager now manages lifecycle
3. **Haptic Feedback Enhancement:** Added to theme/unit cycling for better user experience consistency
4. **GPS_GRACE_PERIOD Retention:** Kept constant as deprecated for documentation (shows architectural evolution)
## Deviations from Plan
None. Plan executed exactly as written. All requirements met without issues.
## Issues Encountered
None. Clean execution with no blockers or unexpected complications.
## Next Phase Readiness
**Phase 4 Complete:**
- ✅ Core GPS engine with lifecycle awareness (Plan 01)
- ✅ UI integration with staleness detection (Plan 02)
- ✅ Centralized wake lock and lifecycle management
- ✅ Consistent staleness behavior (main app + overlay)
- ✅ Clean provider architecture with proper wiring
- ✅ All timers properly canceled in dispose()
- ✅ Flutter analyze passes (only expected SCREAMING_SNAKE warnings)
**Architecture State:**
- GpsDataManager: GPS engine, lifecycle observer, wake lock manager, precision switcher
- OverlayProvider: Overlay lifecycle, GPS stream consumer, settings consumer
- SpeedometerScreen: UI only (no lifecycle/wake lock/GPS management)
- Staleness detection: Identical in main app and overlay (3s/10s thresholds)
**Testing Recommendations:**
- Field test staleness behavior (3s dim, 10s dash) during GPS signal loss
- Verify wake lock behavior across app states (foreground/background/overlay)
- Test precision switching at 8/12 km/h boundaries
- Validate background GPS stop after 7s grace period without overlay
- Test haptic feedback on theme/unit cycling
**Integration Complete:**
Phase 4 successfully connected the lifecycle-aware GPS engine to the user-visible surfaces. Main app and overlay now behave identically with consistent staleness rules, centralized power management, and clean architectural separation.
## Self-Check: PASSED
**Files exist:**
```
FOUND: lib/screens/speedometer_screen.dart
FOUND: lib/providers/overlay_provider.dart
```
**Commits exist:**
```
FOUND: 1dcfe60
FOUND: 75d58c0
```
**Verification checks:**
- ✅ No WakelockPlus references in SpeedometerScreen
- ✅ No WidgetsBindingObserver in SpeedometerScreen
- ✅ No grace period timer in OverlayProvider
- ✅ Staleness timer started and canceled properly
- ✅ GpsDataManager.setOverlayProvider() called in initState
- ✅ Flutter analyze passes (30 expected info warnings)
All claims verified. Plan execution complete.