how to know the calling activity in android

Question

I have an activity which is called by few other activities. For example: I have Activity1,Activity2,Activity3. Activity1 calls Activity2 and pass parameter. Activity3 also calls Activity2 and pass parameter.

Now based on the calling activity, Activity2 performs some task. But how do I know which activity is calling Activity2?? can anybody plz help me??

Answer 1

If you start the activity with startActivityForResult(Intent, int), then you can get calling activity by getCallingActivity().getClassName().