摘要:
iOS 系统架构iOSCocoa TouchMediaCore ServicesCore OSCore OSOSX kernelPower ManagementMach 3.0Keychain AccessBSDCertificatesSocketsFile SystemSecurity Bonjour Core ServicesCollections Core LocationAddress BookNet Servicesnetworking ThreadingFile AccessPreferencesSQLiteURL UtilitiesMediaCore AudioJPEG PNG. 阅读全文