@EActivity
public class NewPostActivity extends SherlockFragmentActivity {
    @Extra
    String photoUri;
}

 private void injectExtras_() {
        Intent intent_ = getIntent();
        Bundle extras_ = intent_.getExtras();
        if (extras_!= null) {
            if (extras_.containsKey("photoUri")) {
                try {
                    photoUri = cast_(extras_.get("photoUri"));
                } catch (ClassCastException e) {
                    Log.e("NewPostActivity_", "Could not cast extra to expected type, the field is left to its default value", e);
                }
            }
        }
    }

public NewPostActivity_.IntentBuilder_ photoUri(String photoUri) {
            intent_.putExtra("photoUri", photoUri);
            return this;
        }

public static String photoUriExtra = "photoUri";

 private void injectExtras_() {
        Intent intent_ = getIntent();
        Bundle extras_ = intent_.getExtras();
        if (extras_!= null) {
            if (extras_.containsKey(photoUriExtra)) {
                try {
                    photoUri = cast_(extras_.get(photoUriExtra));
                } catch (ClassCastException e) {
                    Log.e("NewPostActivity_", "Could not cast extra to expected type, the field is left to its default value", e);
                }
            }
        }
    }

public NewPostActivity_.IntentBuilder_ photoUri(String photoUri) {
            intent_.putExtra(photoUriExtra, photoUri);
            return this;
        }

// before solving this issue
// if extra's name changes this variable can be easily forgotten
final String photoUriExtra = "photoUri"; 

// after change
final String photoUriExtra = NewPostActivity_.photoUriExtra;