使用libgdx的Android应用程序自更新到ADT 17后崩溃

My Android program crashes. This started after updating Eclipse to 3.6.2 and updating the SDK and ADT (to 17), I had a problem. (After I updated eclipse, my ddms crashed too, but i fixed that.) I've now updated my SDK and ADT to 18, but I still have this problem. My lib folders in my Java project and Android project haven't changed. I use Mario tutorials and build those. My java project runs well, but I don't understand why my Android projects cant run.My Android program crashes. This started after