Introduction to Cydia Substrate

Cydia Substrate is a tool for runtime hooking and modification of Android apps by injecting into the app process on rooted devices. This was formerly known as Mobile Substrate, which was originally released for iOS devices. Cydia Substrate is the base for most of the runtime manipulation tools that are available. We can develop third party add-ons that work using Cydia Substrate. These are known as extensions. The next section shows a tool called Introspy, which is a popular Cydia Substrate extension for runtime monitoring and analysis of Android apps. Cydia Substrate is available on the Google Play Store and you can install it from the following link:

https://play.google.com/store/apps/details?id=com.saurik.substrate ...

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