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

I use the following, it requires no layout file, and puts a centered, borderless blocking progress bar in the middle of the screen.

private ProgressDialog progressDialog;


setUIToWait(true);

...long process...

setUIToWait(false);


private void setUIToWait(boolean wait) {

    if (wait) {
        progressDialog=ProgressDialog.show(this,null,null);
        progressDialog.setContentView(new ProgressBar(this));
    } else {
        progressDialog.dismiss();
    }

}