==================== Problem Description ====================
Find a lot on the Internet. What clean Ah, fix project and the like have tried. Not all. To find a way out.
==================== Solution 1====================
Can you say what's wrong, maybe there's a problem with the resource path
==================== Solution 2====================
Did you have the SDK? Go to the problems to see what the clues are. Or find a class to paste out, see where error analysis causes
==================== Solution 3====================
Look at the resource file is not because of coding problems garbled and so on, if this, the following will have output to tell you, and then put your project upload everyone to try
==================== Solution 4====================
If you try to say on the net that the project clean and so on is not an estimate of your eclipse problem look at the SDK ADT and see if the jar has been imported
Eclipse Import Open Source project error, r file is not automatically generated
