[Tex/LaTex] Beamer: strange behaviour of textpos on title page

beamertitles

I'm working on a customized template for LaTeX beamer. It's finished, except for some strange behaviour of textpost on the title page. Sample code:

\documentclass[t]{beamer}
\usepackage[absolute,overlay]{textpos}

\setbeamertemplate{navigation symbols}{}

\addtobeamertemplate{footline}{}{
\begin{textblock*}{100mm}(.5cm,.96\textheight)
This text should not appear on the title sheet.
\end{textblock*}}

\begin{document}

\title{Some title}

\begin{frame}
\titlepage
\end{frame}

\begin{frame}
\frametitle{Some frame title}
Some text
\end{frame}

\end{document}

The result looks like this:

enter image description here

It looks like the title page has two footers! But I don't want any headers or footers on my title page. I stumbled upon the option [plain], i.e. \begin{frame}[plain]

This results in:

enter image description here

So even though this gives a better result, there is still one footer left. It has something to do with the textpos package. I really need the options absolute and overlay for some other things in my template, so changing this is not an option. I was thinking about adding this text to the frametitle — instead of the footline — using \addtobeamertemplate{frametitle}, but this is not a very clean solution.

Any ideas how to fix this? Since I'm creating the title page from scratch, is there an option to clear the entire title page? Or anything like \pagestyle{empty}?

[Edit] Or any way to add a logo in the bottom right corner and some text in the bottom left corner without using textpos is welcome! But keep in mind that it shouldn't be exactly in the corners, there must be some whitespace around it.

Best Answer

You don't really need the textpos package to design your footline; you can use a beamercolorbox having a width equal to \paperwidth; the options leftskip and rightskip let you specify the left and right skips, respectively, and the sep option allows you to introduce some extra space around the contents.

Here's a little example (the command \FootlineText will contain the text that should appear to the left of the footline):

\PassOptionsToPackage{demo}{graphicx}
\documentclass{beamer}

\newcommand\FootlineText{The text that goes in the footline}

\setbeamertemplate{footline}{%
  \begin{beamercolorbox}[sep=1em,wd=\paperwidth,leftskip=0.5cm,rightskip=0.5cm]{}
    \FootlineText
    \hfill
    \includegraphics[height=10pt]{logo}
  \end{beamercolorbox}%
}

\author{Some Author}
\title{Some Title}

\begin{document}

\begin{frame}[plain]
\maketitle
\end{frame}

\begin{frame}
test
\end{frame}

\end{document}

enter image description here

The first line (\PassOptionsToPackage) was used only to make the example compilable for everyone by replacing the actual images with black rectangles; do not use that line in your actual code. Of course, feel free to adapt my example according to your needs.

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