startActivity(intent) and resume to main activity?

问题

I've got an app that creates an intent for the last.fm android app in which it will start the "recommended" station for my account when i press a button. The trick i'm trying to figure out is how do i get the phone back to my app without the user having to navigate back manually? Once it start the last.fm intent it takes you to the playlist and i need it to resume back to my app automatically.

回答1:

If you use startActivity(intent), you cannot. Alternatively, you can use startActivityForResult(Intent, int) and then stop the child activity with finishActivity(int requestCode).

回答2:

Call Activity.finish() whenever you want close the present Activity and get back to an earlier one.

来源：https://stackoverflow.com/questions/3163928/startactivityintent-and-resume-to-main-activity