How One Developer Built a Battery-Efficient Location-Based Sound Profile App

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A developer built an Android app called Muffle to automatically silence phones based on location, after repeatedly disrupting quiet settings like lecture halls and meetings. Early attempts using continuous GPS polling drained the battery in under four hours by keeping the CPU awake and blocking Doze mode. The solution was Google Play Services' GeofencingClient API, which offloads location monitoring to the OS and only wakes the app when a user crosses a defined boundary. A Foreground Service with a persistent notification was added to ensure sound profile changes occurred reliably even when the app was killed by the system. The architecture uses a PendingIntent and BroadcastReceiver so the app stays dormant until triggered, keeping execution time to just milliseconds per transition.

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How to Identify and Handle reCAPTCHA v2, v3, and Enterprise Variants

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ProgrammingDEV Community ·

Developer Isolates Self-Hosted AI Agent on Dedicated Network to Prevent Data Exposure

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Afriex SDK Enables Developers to Build Full Cross-Border Remittance Apps

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