Android Zombies: How to Not Get Bit
summary
Android process death kills the process while leaving the task stack so activities relaunch without in‑memory models causing nulls or corrupted data. It differs from configuration change because the application object and singletons are gone. Testing options include the Samsung font style trick, the developer option limit background processes, and a small utility app Terminator on GitHub/Play that reliably kills only the app. Recovery tactics proven to work are saveInstanceState or minimal keys plus lazy reload from network, SQLite/Room or disk caching, and navigating users to a safe landing and then restoring state.
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