When Eclipse creates an Android project, you are prompted when previewing the Layout.xml file: This version of the rendering library was more recent than your version of ADT plug- In. Please update ADT plug-in, resulting in the inability to preview the layout file properly.
The source of the problem is that the SDK version does not match the ADT version. The problem is resolved as follows:
Method One:
Find the Choose Android version button and change the Android version. Such as:
Method Two:
Help--Install New softwares ..., enter the following link in work with:
https://dl-ssl.google.com/android/eclipse/
Eclipse will pop up prompting for updates, but the discovery is very slow?
Open C:\Windows\System32\drivers\etc\hosts and add the following:
203.208.48.134 dl-ssl.google.com
Eclipse creates an Android project that doesn't correctly preview the layout file related issues