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安装 cocoapods 报错： ERROR: Could not find a valid gem 'cocoapods' (>= 0), h...
1、AppIcon 尺寸 iPhone Notification iOS 7-10 20pt 2x( 40x40 )...
"_OBJC_CLASS_$_chatController", referenced from:错误问题解决： 因为我们在新建或复制chatCo...
*** Terminating app due to uncaught exception 'NSGenericException',reaso...