PackageManager Articles
Dynamic Launcher Icons and Entry Switching: Engineering Controls Behind Icon Changes
Dynamic Launcher icons look like a single PackageManager call, but a production implementation involves manifest declarations, entry-state management, fallback behavior, launcher compatibility, and rollout controls.
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Android PackageManager End to End: APK Parsing, PMS Registration, and Permissions
A deep dive into Android PackageManager, from APK parsing and component registration to Intent matching, permission checks, signing, and real-world PMS pitfalls.
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