How to implement the call back mechanism between Activites

Question

I have 2 activities first details activity and second activity page is confirmationPage,Once i confirm it should come back to first page,how should i handle this scenario?

Is it possible between activities,instead of using fragments?

use `startActivityForResult();` to send response from your child `Activity` to it's parent. — hardartcore, Aug 01 '13 at 05:42

score 6 · Accepted Answer · edited Nov 05 '22 at 23:34

you have to use startActivityForResult(); method when you start the secondActivity.

and you also have to implement the onActivityResult() method.

Here is the code for first Activity..

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        // TODO Auto-generated method stub
        super.onActivityResult(requestCode, resultCode, data);

        if (resultCode == 1) {
            Bundle extra = data.getExtras();
            String ID = extra.getString("NameKey").trim();
             // do your code here.
            
        }
    }

Code in the second Activity..

add the code on confirm click button.

  Intent i = new Intent();
  Bundle extra = new Bundle();
  extra.putString("NameKey", KeyValue);
                
  i.putExtras(extra);
  setResult(1, i);
  finish();

score 2 · Answer 2 · answered Aug 01 '13 at 05:44

2

Start confirmationPage for result by startActivityForResult(intent, requestCode),

Here is a complete example (http://www.vogella.com/articles/AndroidIntent/#usingintents_sub)

answered Aug 01 '13 at 05:44

Sadegh

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Jon · Answer 3 · 2013-08-01T06:15:32.663

1

I believe calling finish() is the easiest way to back out of an activity. It should return to the previous one similar to if you hit the back button.

edit: Although, as Sirlate mentioned, startActivityForResult is probably your best bet if you wish to return data.

edited Aug 01 '13 at 06:15

answered Aug 01 '13 at 05:45

Jon

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How to implement the call back mechanism between Activites

3 Answers3