Have you used the onActivityResult method in your projects?

Yes, the onActivityResult method is used in Android to receive results from a launched activity. For example, if you need to select a file or take a photo, a new activity is launched, and the result is handled in onActivityResult.

Example of usage:

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
        Uri selectedImage = data.getData();
        // handle the selected image
    }
}

However, in newer versions of Android, it is recommended to use the Activity Result API instead of onActivityResult, as it is more convenient and safer.