Cracked it. I removed android:launchMode="singleInstance" from the Proxy Activity declaration in the Manifest and suddenly the Proxy was able to close the 3rd Party Activity.
Many thanks for your help guys - your suggestions pointed me in the right direction. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

