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

If you want to display indeterminate progress bar only.

ProgressDialog progressDialog = ProgressDialog.show(this, null, null, true, false);
progressDialog.setContentView(R.layout.progress_layout);

And create a layout xml file with name "progress_layout.xml"