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Breaking the Android ClassLoader

Zac Sweers

Mobile @ Uber

ClassLoaders are not new. They've existed since Java 1.0 and are a core part of how the JVM works. Things work a bit different under the hood in Android, but the core principles are the same and we, as Android developers, largely take it for granted. This talk will be a deep dive into how class loading works in Android and later explore the implications of trying to manipulate the application's ClassLoader at runtime (for better or worse 🔥) in the context of logging, hot fixing, adding features, and interacting with 3rd party code.