EXTRA_CALLING_ACTIVITY_INTEROP
val EXTRA_CALLING_ACTIVITY_INTEROP: String = "android.support.v4.app.EXTRA_CALLING_ACTIVITY"(source)
Intent extra that stores the ComponentName of the calling activity for an ACTION_SEND intent. Note that this is only for interoperability between pre-1.0 AndroidX and AndroidX 1.1+ worlds. You are strongly encouraged to use getCallingPackage or getCallingPackage.