【1】、Xcode8代码出现ubsystem: com.apple.UIKit, category: HIDEventFiltered, enable_level: 0, persist_level: 0, default_ttl: 0, info_ttl: 0, debug_ttl: 0, generate_symptoms: 0, enable_oversize: 1, privacy_setting: 2, enable_private_data: 0 2016-09-14 17:18:55.843428 MyApp[6880:340837]

解决办法：【product】-【scheme】-【Edit Scheme】-【Run】-【Argument】-【Environment Variable】添加keyValue【OS_ACTIVITY_MODE   disable】可以停止输出打印此日志

遗留问题：还会出现Class PLBuildVersion is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/System/Library/PrivateFrameworks/AssetsLibraryServices.framework/AssetsLibraryServices (0x10a39a910) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/System/Library/PrivateFrameworks/PhotoLibraryServices.framework/PhotoLibraryServices (0x10a1c4210). One of the two will be used. Which one is undefined.

【2】MJRefresh出现崩溃现象

iOS10 Xcode8问题汇总