build/core/java.mk:20: *** dalvik/dexgen: Invalid LOCAL_SDK_VERSION '4' Choices are: current . S
解决:firsttry:"rm-rfprebuilt;reposync-lprebuilt"Ifthat'sstillnotenough:"rm-rfprebuilt;reposyncprebuilt"Ifthat'sstillnotenoughandyouhaveasolidinternetconnection