Utility method to display AlertDialog with ProgressBar in Android

AlertDialogWithProgressBar.java

public AlertDialog.Builder getDialogProgressBar() {

        AlertDialog.Builder builder = new AlertDialog.Builder(Objects.requireNonNull(getContext()));

        builder.setTitle("Loading...");
        builder.setCancelable(false);

        final ProgressBar progressBar = new ProgressBar(getContext());
        LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.WRAP_CONTENT,
                LinearLayout.LayoutParams.WRAP_CONTENT);
        progressBar.setLayoutParams(lp);
        builder.setView(progressBar);
//        builder.setPositiveButton("OK",
//                (dialogInterface, i) -> Toast.makeText(getApplicationContext(),
//                        "Text entered is " + input.getText().toString(),
//                        Toast.LENGTH_SHORT).show());
        return builder;
    }