摘要:
duplicate symbol _main in: /Users/mb467/Library/Developer/Xcode/DerivedData/barChartDemo-gevlnavnpanltbgqdweijouguhcx/Build/Intermediates/barChartDemo.build/Debug-iphoneos/barChartDemo.build/Objects-normal/armv7/main-CCADE8545E02147B.o /Users/mb467/Library/Developer/Xcode/DerivedData/barChartDemo-.. 阅读全文