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StrictMode: Your Main Thread's Watchdog

Source: developer.android.combeginner

StrictMode is a developer tool that acts like a strict supervisor for your app's main thread, catching slow operations like disk or network access. It helps you find performance issues before they cause "Application Not Responding" errors.

StrictMode is a developer tool that acts like a strict supervisor for your app's main thread, catching accidental disk I/O or network calls that can freeze your UI. Enable it in debug builds to proactively find and fix operations that should be on a background thread, preventing ANR errors. The biggest mistake is shipping it in a release build, as its penalties (like crashing the app) are for developers, not users, and it adds performance overhead.

Read the original → developer.android.com

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StrictMode: Your Main Thread's Watchdog · Tezvyn