Android Hidden APIs are classes, methods, and resources that Google hides from you because of stability reasons. These features are hidden because they may be changed on next API version. The internal APIs are located in package com.android.internal and available in the framework.jar, while the hidden APIs are located in the android.jar file with @hide javadoc attribute. Now you know the difference. But I will refer to both as hidden APIs. This repo contains a custom android.jar which you...