When editing xml layout file for Android in Eclipse you might encounter the xml being wrong, flipping and broken. When changing tabs between the graphical layout and the xml file, the lines of code will start disappearing or moving around. It becomes even more visible when highlighting a block of text. To fix this you can disable this
Tag: xml
Android Resource Entry Is Already Defined
When you compile an android project from its xml resource, Eclipse considers it as executing xml file and so you get some output from it, in the same name of the xml with .out.xml extension. And you’ll end up with an *.out.xml file and the error res\layout\main.xml:0: error: Resource entry main is already defined. To