Android获得了固定的标签，PageViewer来加载不同的片段

I'm new to software development and java as a whole, I've been trying for days now to get the default template android gives for fixed tabbed Navigation with pageviewer. Regardless of what I try I can't seem to get it to load anything but the first fragment. all the other onClick tabs events in the Emulator load the very same first fragment defined in the template, sliding the pager has the same effect.I'm new to software development and java as a w