Question

I have an activity (first) that starts a new activity (second). If I returned to my first activity, I want to get some settings I’ve set at the second activity, without saving in SharedPreferences (just temporary).
Is there a way to get public attributes of my second activity?
How can I do that on the best way?

Answer 1

The best way you can get information returned from the second activity is to invoke it with startActivityForResult.

From Android documentation:

startActivityForResult(intent, CREATE_REQUEST_CODE);

And then, in Activity1 override this:

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == CREATE_REQUEST_CODE) {
        if (resultCode == RESULT_OK) {
            //ACT
        }
    }
}

Here’s a link to referring documentation.

Hope it helps.