Make presentation 16:9-ready; Properly handle appendix/backup slides

beamerinnerthemeavoe.sty

@@ -13,7 +13,7 @@
        \hspace{-0.065cm}%
       \begin{tikzpicture}%
       	\node[anchor=north west,inner sep=0pt] (main) at (0,0) {\includegraphics[width=1.0\paperwidth]{\@hdrImg}};%
-      	\node[anchor=north west,inner sep=0pt] (avoelogo) at(0,0) {\includegraphics[width=6cm]{avoelogo-margin.png}};%
+      	\node[anchor=north west,inner sep=0pt] (avoelogo) at(0,0.1) {\includegraphics[width=6cm]{avoelogo-margin.png}};%
         \draw [line width=0.1cm, color=AVOegrey] (avoelogo.south west) -- (avoelogo.south east);%
       \end{tikzpicture}%
     \end{beamercolorbox}

beamerouterthemeavoe.sty

@@ -41,7 +41,9 @@
   \end{beamercolorbox}%
   \begin{beamercolorbox}[wd=.25\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
     \usebeamerfont{date in head/foot}\insertshortdate{}\hspace*{2em}
-    \insertframenumber{} / \inserttotalframenumber\hspace*{2ex} 
+%    \insertframenumber{} / \inserttotalframenumber\hspace*{2ex} 
+%    \insertframenumber{} / \insertmainframenumber\hspace*{2ex}%\inserttotalframenumber\hspace*{2ex} 
+    \insertframenumber{} / \insertmainframenumber\hspace*{2ex}%\inserttotalframenumber\hspace*{2ex} 
   \end{beamercolorbox}}%
   \vskip0pt%
 }

beamerthemeavoe.sty

@@ -14,6 +14,7 @@
 \pgfdeclareimage[interpolate=true,width=4cm]{logo}{avoelogo.png}
 \pgfdeclareimage[interpolate=true,width=1.5cm]{logosmall}{avoelogo-small.png}
 \logo{\includegraphics[height=1.25cm]{avoelogo-small.png}}
+\setbeamertemplate{page number in head/foot}[appendixframenumber]
 
 \mode<all>
 

examples/example-avoeslides-beamer.tex

@@ -25,6 +25,7 @@
 \author[R. Kainhofer]{Reinhold Kainhofer}
 \institute[AVÖ AK RG]{AVÖ Arbeitskreis Rechnungsgrundlagen}
 \date[25.1.2019]{Bereitstellung im Internet\\\footnotesize 25. Jänner 2019}
+% \geometry{paperwidth=169mm,paperheight=95mm}
 
 
 \begin{document}