onActivityResult doesn't work?

Question

I am facing with a problem related startActivityForResult()

To start SecondActivity from FirstActivity :

Intent intent = new Intent();
intent.setClas         


        

Answer 1

I was stuck here for a while. Adding my problem here to make sure that you don't scratch your head as well.

The second parameter of this function has to be 0 or higher.

startActivityForResult(intent, 0); // <- this is OK

I was setting the second parameter to RESULT_OK, which is -1, and my onActivityResult callback was never getting called. So if you get stuck like me, you can also check if your second parameter is correct.

startActivityForResult(intent, RESULT_OK); // <- this is wrong

The above line will fail to call onActivityResult.