How to center progress indicator in ProgressDialog easily (when no title/text passed along)

Question

When calling progressDialog = ProgressDialog.show(this, null, null, true); usually the developers wants to only show the progress indication image, and usually

Answer 1

Using ProgressBar and adding it to LinearLayout worked in my Case as follows:

ProgressBar mSpinner = new ProgressBar(this); 
mSpinner.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
mSpinner.setBackgroundResource(R.drawable.loading_1);
mSpinner.setIndeterminate(true);