Public class CustomDialogFragment extends AppCompatDialogFragment { private

Question

Public class CustomDialogFragment extends AppCompatDialogFragment { private

CustomDialogFragmentListener listener;

@Override
public void onAttach(@NonNull Context context) {
super.onAttach(context);

try {
listener = (CustomDialogFragmentListener) context;
} catch (ClassCastException e) {
throw new ClassCastException(context.toString() +
"must implement CustomDialogFragmentListener");
}
}

@NonNull
public Dialog onCreateDialog(Bundle savedInstanceState) {

assert getArguments() != null;
String device = getArguments().getString("selected_device");
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
return builder
.setTitle("Create new connection")
.setIcon(android.R.drawable.ic_dialog_alert)
.setMessage("Connect to " + device + "?")
.setPositiveButton("Ok", (dialog, which) -> {
// device = name\n(xx:xx:xx:xx:xx:xx)
String temp = device.split("\n")[1];
String address = temp.replace("(", "");
address = address.replace(")", " ");
listener.applyText(address);
//Intent intent = new Intent();
//intent.putExtra("new_address", address);
//getTargetFragment().onActivityResult(getTargetRequestCode(), Activity.RESULT_OK, intent);
})
.setNegativeButton("Cancel", null)
.create();
}

public interface CustomDialogFragmentListener {
void applyText(String a);
}
}