\documentclass[xcolor=dvipsnames]{beamer}
\usepackage[danish]{babel}
\usepackage{amsmath}
\usepackage{enumitem}
\usepackage{graphics,epsfig, subfigure}
\usepackage{fontspec}
\usepackage{polyglossia}
\usepackage{etoolbox}
\mode<presentation> {
\usetheme{CambridgeUS}
}
\useinnertheme{circles}
\usefonttheme[onlymath]{serif}
\usepackage{tikz}
\usepackage{fancybox}
\usetikzlibrary{decorations.pathreplacing,calc}

\newcommand{\tikzmark}[1]{\tikz[overlay,remember picture] \node (#1) {};}
  \setbeamertemplate{blocks}[rounded][shadow=true]
\setbeamertemplate{frametitle}[default][right]% align the frametitle to the right

\setdefaultlanguage{english}
\setotherlanguage[calendar=gregorian,numerals=maghrib]{arabic}

\AtBeginEnvironment{exampleblock}{\setbeamercolor{item projected}{bg=gray}}


  \definecolor{pbblue}{HTML}{0A75A8}% color for the progress bar and the circle

\makeatletter
\def\progressbar@progressbar{} % the progress bar
\newcount\progressbar@tmpcounta% auxiliary counter
\newcount\progressbar@tmpcountb% auxiliary counter
\newdimen\progressbar@pbht %progressbar height
\newdimen\progressbar@pbwd %progressbar width
\newdimen\progressbar@rcircle % radius for the circle
\newdimen\progressbar@tmpdim % auxiliary dimension

\progressbar@pbwd=\linewidth
\progressbar@pbht=1pt
\progressbar@rcircle=2.5pt

% the progress bar
\def\progressbar@progressbar{%

    \progressbar@tmpcounta=\insertframenumber
    \progressbar@tmpcountb=\inserttotalframenumber
    \progressbar@tmpdim=\progressbar@pbwd
    \multiply\progressbar@tmpdim by \progressbar@tmpcounta
    \divide\progressbar@tmpdim by \progressbar@tmpcountb

  \begin{tikzpicture}
    \draw[pbblue!30,line width=\progressbar@pbht]
      (0pt, 0pt) -- ++ (\progressbar@pbwd,0pt);

    \filldraw[pbblue!30] %
      (\the\dimexpr\progressbar@tmpdim-\progressbar@rcircle\relax, .5\progressbar@pbht) circle (\progressbar@rcircle);

    \node[draw=pbblue!30,text width=3.5em,align=center,inner sep=1pt,
      text=pbblue!70,anchor=east] at (0,0) {\insertframenumber/\inserttotalframenumber};
  \end{tikzpicture}%
}

\addtobeamertemplate{headline}{}
{%
  \begin{beamercolorbox}[wd=\paperwidth,ht=4ex,center,dp=1ex]{white}%
    \progressbar@progressbar%
  \end{beamercolorbox}%
}
\makeatother

\title[ \RL{\textbf{مسئله یادگیری  }}]{ \RL{\textbf{مسئله یادگیری }}}

\author{{\setRTL  \RL{\textbf{خودم}}} }
\institute[]
{
 \RL{\textbf{\normalsize{ دانشگاه }}}
\medskip
}
\date{ \RL{شهریور ۱۳۹۵}}

\begin{document}
\begin{frame}
\frametitle{}
\begin{block}{}
\begin{minipage}{0.95\textwidth}
\end{minipage}
\end{block}
\end{frame}

\begin{frame}
\frametitle{}
\begin{block}{}
\begin{minipage}{0.95\textwidth}
\end{minipage}
\end{block}
\end{frame}

\end{document}