BlackMirror

Terrible reflection hacks around classloaders in Android. Sample app from a talk given at Droidcon NYC 2018.

Slides: https://speakerdeck.com/gdglviv/zac-sweers-breaking-the-android-classloader

Core project is blackmirror, which has the BlackMirror classloader implementation and some other utilities for working with classloaders and dex files

Examples:

• app - The main sample app
• neighbor - A simple sibling app with some simple code, used as the target for the main app to run code out of.
• initprovider:simple - demonstrating automatic initialization via init provider (before Application#onCreate())
• initprovider:pluginized - demonstrating automatic initialization via pluginized init provider (before Application#onCreate())
• samples:logging - Simple logging of class loading via Timber
• samples:timing - Simple timing of class loading, reported via Timber
• samples:swapper - Different examples of trying to swap what classes are loaded. Does not work for different reasons
• samples:hello - Simple Hello interface with a sayHello method. Used in the next two samples
• samples:assets - Example loading dex files from assets, in this case Hello impls
• samples:resources - Example loading dex files from resources, in this case Hello impls
• samples:spy - Examples for reading other apps' dex files and running other apps' code