Inspired by Nikolay Elenkov’s detailed technical posts on Android Explorations, I decided to dig into the Android source code myself and document the package verification mechanism in Android.
more here..........https://irq5.io/2014/12/01/android-internals-package-verifiers/
more here..........https://irq5.io/2014/12/01/android-internals-package-verifiers/