I have two activities A and B. I am currently in Activity A and from A I an starting activity B. Now After finish the work on B, based on the changes in the activity B I want to update the Activity A.
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I have two activities A and B. I am currently in Activity A and from A I an starting activity B. Now After finish the work on B, based on the changes in the activity B I want to update the Activity A.
It sounds like startActivityForResult() is what you’re looking for.
Example – Activity A starts Activity B with startActivityForResult(). When Activity B finishes it can return information back to Activity A via onActivityResult().
Google has a code example online: http://developer.android.com/reference/android/app/Activity.html#StartingActivities