本人菜鸟，请教大家ActivityManager: Starting: Intent { act=android.intent.请问怎么回事啊

log

03-10 11:37:02.446: W/dalvikvm(2053): threadid=1: thread exiting with uncaught exception (group=0x40015560) 03-10 11:37:02.446: W/dalvikvm(2053):