Release Date: October 20, 2025
APK File: TimeMachineV2.0.0.apk
File Size: 23 MB
MD5 Checksum: 624619775c92b2466774015748e20a82

This is a major update with significant architectural improvements, new features, and comprehensive bug fixes.

• Category-Based Time Tracking: Create custom categories to track different activities
• Immersive Fullscreen Mode:
  • Landscape orientation lock
  • System UI hidden for distraction-free focus
  • Double-tap to show/hide controls
• Real-Time Session Feedback:
  • Orange countdown: "Keep going... 15s to save"
  • Green confirmation: "✓ Session will be saved"
  • 30-second minimum requirement clearly communicated
• Universal Session Saving: All exit methods (STOP, EXIT, back gesture) save sessions
• Advanced Statistics:
  • Category-based analytics
  • Daily goal tracking with visual progress bars
  • Calendar view with goal completion indicators (green/red)
  • Session history with timestamps
• Daily Goal Management: Set and track daily goals per category

• Calculate dates from years ago or in the future
• Support for complex date scenarios including leap years
• Save and view calculation history
• Robust Feb 29 handling (no crashes!)

• Age, Height (ft/cm), Weight (kg/lb) inputs
• Gender selection (Male/Female)
• Multiple classification systems (WHO/DGE)
• Visual classification graph
• Ideal weight range table
• Health tips and personalized interpretation
• Save and view BMI history

• Track daily habits with streaks
• Visual completion calendar
• Detailed statistics and trends
• Reminder notifications

1. ✅ Session Save Bug: Fixed issue where sessions weren't saving when exiting via back gesture or EXIT button
2. ✅ Midnight Rollover: Fixed cached date issue causing submissions to wrong date after midnight
3. ✅ UI Refresh: Implemented lifecycle observers for immediate data refresh when returning from immersive mode
4. ✅ Progress Bar Visibility: Daily goal progress bar now always visible in fullscreen mode

5. ✅ Leap Year Crash: Fixed DateTimeException when calculating with Feb 29 in non-leap years
6. ✅ Next Valid Date: Automatically finds next valid Feb 29 when needed

7. ✅ Timezone Bug: Fixed UTC epoch math causing wrong habit creation dates and skewed streaks
8. ✅ Back Gesture: Fixed back gesture in habit detail view (now closes overlay instead of entire screen)

9. ✅ Notification Banner: Added dismiss button and fixed channel checks (removed old TimerAlarm channel)
10. ✅ Session Indicators: Added clear visual feedback for minimum session length requirement

• Cleaner Home Screen: Removed shadows from timer blocks, added subtle borders
• Vibrant Colors: Updated color palette for better visual appeal
• Modern Gradient Icons: Icon backgrounds now use vertical gradients
• Zero Elevation: Card elevation set to 0dp for flat, modern look
• Consistent Typography: Improved text hierarchy and readability

• Clear Feedback: Users now see live countdown and confirmation when session will save
• Feature Communication: "Auto-saves after 30 seconds" shown before starting sessions
• Smooth Animations: Added fade-in/fade-out transitions for controls
• Tap Gestures: Single tap shows hint, double-tap toggles controls in immersive mode

• ActivityCategory table: Store custom activity categories
• TimeSession table: Store time tracking sessions with category association
• Improved Queries: Optimized queries for statistics and analytics
• Data Integrity: Proper timezone handling and date storage

• Room Database: Robust local persistence with migrations
• Coroutines & Flow: Reactive UI updates with proper lifecycle management
• Lifecycle Observers: Automatic data refresh on screen resume
• SharedPreferences: State persistence for immersive timer across lifecycle events

• ProGuard + R8: Code minification and obfuscation enabled
• Resource Shrinking: Unused resources removed automatically
• Optimized Queries: Database queries optimized for performance
• Efficient Recomposition: LaunchedEffect keys properly managed

• Null Safety: Comprehensive null checks to prevent crashes
• Error Handling: Try-catch blocks with proper logging
• Race Condition Fixes: Proper coroutine scoping and state capture
• Consolidated Utilities: Removed duplicate code, organized utilities

• v2.0.0 (October 20, 2025): Major update - Focus Tracker rewrite, bug fixes, new features
• v1.3.0: Previous stable version
• v1.2.0: Feature additions
• v1.1.0: Initial habit tracker
• v1.0.0: Initial release

• Signed APK: Release signed with production keystore
• ProGuard: Code obfuscation enabled
• No Permissions: Minimal permission requirements
• Local Storage: All data stored locally on device

1. Download: Get TimeMachineV2.0.0.apk from the release folder
2. Enable Unknown Sources: Settings → Security → Unknown Sources
3. Install: Tap the APK file to install
4. Launch: Open TimeMachine and enjoy!

• Create categories
• Start sessions
• Verify 30s minimum with visual feedback
• Test all exit methods (STOP, EXIT, back gesture)
• Check session history
• Verify statistics
• Test calendar goal view

• Test Feb 29 scenarios
• Verify calculation accuracy
• Check history saving

• Test all input fields
• Verify WHO/DGE classifications
• Check unit conversions
• Test history saving

• Create habits
• Track completions
• Verify streaks
• Test after midnight

• Export/import data functionality
• Cloud sync support
• More themes and customization
• Widget support

• Multi-language support
• Advanced analytics charts
• Pomodoro timer integration
• Social features (optional sharing)

Developer: Ali Ahad
Version: 2.0.0
Build Date: October 20, 2025
Package: me.aliahad.timemanager

For bug reports or feature requests, please contact the developer.

Enjoy TimeMachine v2.0.0! 🎉✨