private ProgressDialog progDialog;

try {
            progDialog = new ProgressDialog(yourCustomDialog.getContext());
            progDialog.setIndeterminate(true);
            progDialog.setMessage("fetching image...");
            progDialog.setCancelable(false);
            progDialog.show();
        } catch (Exception ex) {
        }

try {
                if (progDialog != null && progDialog.isShowing()) {
                    progDialog.dismiss();
                }
            } catch (Exception ex) {
            }

try {
    progDialog = new ProgressDialog(Activity_FindInfo.this);
    progDialog.setIndeterminate(true);
    progDialog.setMessage("loading");
    progDialog.setCancelable(false);
    progDialog.show();
} catch (Exception ex) {
}