productivity timezone reminders remote work Java Android widgets mobile app
Timezone Notify — Global Time Conversion & Reminders
Android
About
Lightweight productivity app for distributed teams to track cities, pin timezones, and set cross-zone reminders and alarms.
My Role
Designed and delivered a native Android app with offline timezone data, interactive UI, cross-zone alarms, ads/analytics integration.
Core Capabilities
- Search and pin cities with instant timezone conversion
- Cross-zone reminders with configurable lead times
- Persistent local storage with offline lookup
- Alarms via AlarmManager + WorkManager
Architecture
- Java 17 targeting SDK 24-35 with Gradle 8.x
- RecyclerView, ViewPager, Material dialogs
- SharedPreferences + Gson for persistence
- WorkManager + AlarmManager for alarms
Tech Stack
Java RecyclerView ViewPager Material Components SharedPreferences Gson AlarmManager WorkManager Firebase Analytics Firebase Crashlytics Google Mobile Ads