"I'm not talking about OpenGL and using the ndk but creating Android activities" I'm not really sure what you mean. Any program for Android which is 100% C co

"I'm not talking about OpenGL and using the ndk but creating Android activities" I'm not really sure what you mean. Any program for Android which is 100% C code is going to be using the NDK in most cases. Including ones creating an activity natively ( http://developer.android.com/reference/android/app/NativeActivity.html http://developer.android.com/reference/android/app/NativeAct... ).