[Tex/LaTex] Beamer: How to place a logo in the left and the bottom

beamerheader-footerpage-numberingpositioning

I want to place my logo in the left and at the bottom of the slide.
I'm using the Darmstadt theme. The number of the slide is put in the right.

 \documentclass[11pt]{beamer}
 \usetheme{Darmstadt}
 \usepackage[utf8]{inputenc}
 \usepackage{graphicx}
 \usepackage{caption}
 \usepackage[absolute,overlay]{textpos}
 \setbeamertemplate{footline}[frame number]
 \date{\today} 
 \subject{Thesis}  
 \logo{\includegraphics[height=0.5cm]{logo.png}} 
  \begin{document}

 \begin{frame}
 {Hello World}
  You are Welcome

  \end{frame}
 \end{document}

Thank you

Best Answer

You can add the image to the definition of the footline:

 \documentclass[11pt]{beamer}
 \usetheme{Darmstadt}
 \usepackage[utf8]{inputenc}
 \usepackage{caption}
 \usepackage[absolute,overlay]{textpos}
 \setbeamertemplate{footline}[frame number]
 \date{\today} 
 \subject{Thesis}  
 \usepackage{graphbox}

 \setbeamertemplate{footline}{%
        \includegraphics[align=c, height=0.5cm]{example-image}%
        \hfill%
        \usebeamercolor[fg]{page number in head/foot}%
        \usebeamerfont{page number in head/foot}%
        \insertframenumber\,/\,\inserttotalframenumber\kern1em%
 }

  \begin{document}

 \begin{frame}
 {Hello World}
  You are Welcome

  \end{frame}
 \end{document}

enter image description here

Off-topic:

You don't need \usepackage{graphicx}, as it is already provided by beamer.

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