下面是一个 MWE(嗯,不能工作,但是...),我的目标是逐个显示一些要点,最后我希望将块叠加在逐项文本上。我无法让它工作,并希望得到任何帮助。
\documentclass{beamer}
\usetheme{Madrid}
\usepackage{tikz}
\begin{document}
\begin{frame}[t]
\frametitle{Open problems}
\begin{itemize}
\item<1-> Open problem 1
\begin{itemize}
\item Bullet 1
\item Bullet 2
\end{itemize}
\item<2-> Open problem 2
\begin{itemize}
\item Bullet 1
\item Bullet 2
\end{itemize}
\item<3-> Open problem 3
\begin{itemize}
\item Bullet 1
\item Bullet 2
\end{itemize}
\item<4-> Open problem 4
\begin{itemize}
\item Bullet 1
\item Bullet 2
\end{itemize}
\item<5-> Open problem 5
\begin{itemize}
\item Bullet 1
\item Bullet 2
\end{itemize}
\end{itemize}
\onslide<6>{
\vspace{-3cm}
\pgfdeclarelayer{fg}
\pgfsetlayers{fg,main}
\begin{pgfonlayer}{fg}
\onslide<6>{
\begin{block}{This is most important}
Whatever
\end{block}
}
\end{pgfonlayer}
}
\end{frame}
\end{document}
答案1
Beamer 允许您自动延迟每个列表,\item
而无需像您那样手动执行。只需使用选项[<+->]
:\begin{itemize}[<+->]
但为了不延迟子列表,只需[<.->]
在每个子列表上放置选项即可:\begin{itemize}[<.->]
要显示block
,也不需要手动延迟,块本身就有这个选项:\begin{block}<6->{This is most important}
我评论了不必要的行但没有删除它们。
\documentclass[]{beamer}
\usetheme{Madrid}
\usepackage{tikz}
\begin{document}
\begin{frame}[t]
\frametitle{Open problems}
\begin{itemize}[<+->]
\item Open problem 1
\begin{itemize}[<.->]
\item Bullet 1
\item Bullet 2
\end{itemize}
\item Open problem 2
\begin{itemize}[<.->]
\item Bullet 1
\item Bullet 2
\end{itemize}
\item Open problem 3
\begin{itemize}[<.->]
\item Bullet 1
\item Bullet 2
\end{itemize}
\item Open problem 4
\begin{itemize}[<.->]
\item Bullet 1
\item Bullet 2
\end{itemize}
\item Open problem 5
\begin{itemize}[<.->]
\item Bullet 1
\item Bullet 2
\end{itemize}
\end{itemize}
%\onslide<6>{
\vspace{-3cm}
% \pgfdeclarelayer{fg}
% \pgfsetlayers{fg,main}
% \begin{pgfonlayer}{fg}
% \onslide<6>{
\begin{block}<6->{This is most important}
Whatever
\end{block}
% }
% \end{pgfonlayer}
%}
\end{frame}
\end{document}