Developer Builds Offline Geofencing Engine for Android to Preserve Privacy, Battery

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A developer created a custom geofencing engine for Android that does not rely on Google Play Services. The system was designed to automatically manage a phone's sound settings based on location, prioritizing user privacy and battery efficiency. It uses a hybrid strategy combining passive location updates and distance calculations with the Haversine formula to minimize GPS usage. The engine handles challenges like erratic cell tower signals and Android's Doze Mode to maintain functionality without excessive battery drain.

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Developer creates 'LORE WALK' app that uses on-device AI to generate stories from photos

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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