apple开发过程中错误汇总ios+macos
- Signing for “BullsEye” requires a development team. Select a development team in the project editor. (in target ‘BullsEye’)
- 测试iphone6p的 iPhone’s iOS 11.2.1 doesn’t match BullsEye.app’s iOS 12.1 deployment target. Upgrade 测试iphone6p的 iPhone’s iOS version or lower BullsEye.app’s deployment target.
- Thread 1: Fatal error: Unexpectedly found nil while unwrapping an Optional value
网络问题
nw_socket_connect [C1:2] connectx failed (fd 6) [1: Operation not permitted]
**解决方法：**想进行网络请求是需要权限的，看看怎么给你的应用分配网络请求权限吧
出现下面的问题说明你使用了http连接，解决方法就是在info.plist中添加NSAppTransportSecurity https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CocoaKeys.html#//apple_ref/doc/uid/TP40009251-SW33
Optional(Error Domain=NSURLErrorDomain Code=-1022 “The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.” UserInfo={NSUnderlyingError=0x600000c4e7c0 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 “(null)”}, NSErrorFailingURLStringKey=http://www.baidu.com/, NSErrorFailingURLKey=http://www.baidu.com/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.})
Optional(Error Domain=NSURLErrorDomain Code=-1003 “A server with the specified hostname could not be found.” UserInfo={NSUnderlyingError=0x600000c78360 {Error Domain=kCFErrorDomainCFNetwork Code=-1003 “(null)” UserInfo={_kCFStreamErrorCodeKey=-72000, _kCFStreamErrorDomainKey=10}}, NSErrorFailingURLStringKey=https://www.baidu.com/, NSErrorFailingURLKey=https://www.baidu.com/, _kCFStreamErrorDomainKey=10, _kCFStreamErrorCodeKey=-72000, NSLocalizedDescription=A server with the specified hostname could not be found.})
Optional(Error Domain=NSURLErrorDomain Code=-1005 “The network connection was lost.” UserInfo={NSUnderlyingError=0x600000c47300 {Error Domain=kCFErrorDomainCFNetwork Code=-1005 “(null)” UserInfo={_kCFStreamErrorCodeKey=57, _kCFStreamErrorDomainKey=1}}, NSErrorFailingURLStringKey=http://127.0.0.1/, NSErrorFailingURLKey=http://127.0.0.1/, _kCFStreamErrorDomainKey=1, _kCFStreamErrorCodeKey=57, NSLocalizedDescription=The network connection was lost.})
