Question

I used an intent to call another activity. After that, I collected some data from user using the second activity. I need to update some data in the first activity and close the second activity.

Hence, I need the Context (this) of the first activity. How do I do that? Or do I need to start the first activity again as new activity?

Answer 1

Use startActivityForResult() and don’t finish() the first activity. You will land to that activity on method onActivityResult().

Edit:

Intent intent = new Intent(this,SecondActivity.class);
startActivityForResult(intent, RESULT_OK);

and

public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode == RESULT_OK) {
       // When you are back from second Activity you are land here ..
       // do what ever you want to, without re Creating the this Activity 
    }
}