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I am having the following issue. I have ActivityA and ActivityB. I have some radio buttons in ActivityA and the user can select them. ActivityB is accessed trough ActivityA so when I press a button I go to ActivityB. In ActivityB I do some calculations and I want to return the result to ActivityA but save the changes made in ActivityA before going to ActivityB.

If I use finish() I return to ActivityA and the selected buttons are saved but the result from ActivityB is not passed to ActivityA.

I want to know is there a way to achieve this?

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Start Activity B using startActivityForResult() and pass the value from Activity B to Activity A using setResult() and retrieve that result from onActivityResult() method.

As example....

In ActivityA.java...

Intent i = new Intent(ActivityA.this, ActivityB.class); startActivityForResult(i, 1);

In ActivityB.java...when sent your result back to ActivityA...

Intent i = new Intent(); i.putExtra("result", YourResult); setResult(1, i); finish();

Now, in ActivityA, retrieve the result as below...

@Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(resultCode == 1) { String result = data.getStringExtra("result"); } }
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