공부 연습장 :-)

TIL_20180801 ~ 20180804

01 Aug 2018 | TIL

2018.08.01

  • scrollview구현 (paginate, scrolling)
  • HTTP POST

2018.08.02

  • 언리쳐블상태에서 리쳐블로 바뀌면 StoreVC의 viewDidLoad가 실행되면서 bad access에러 나면서 앱 종료
  • 리쳐블은 categories를 테이블뷰에 set하는 코드를 부르기때문에 앱 종료 인듯하다
  • NetworkReachability 에러 디버깅 
    리쳐블
2018-08-03 11:24:01.747084+0900 StoreApp[36028:1961628] *** Assertion failure in -[UITableView _endCellAnimationsWithContext:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3698.54.4/UITableView.m:2012
2018-08-03 11:24:01.756501+0900 StoreApp[36028:1961628] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid update: invalid number of rows in section 0.  The number of rows contained in an existing section after the update (8) must be equal to the number of rows contained in that section before the update (8), plus or minus the number of rows inserted or deleted from that section (8 inserted, 0 deleted) and plus or minus the number of rows moved into or out of that section (0 moved in, 0 moved out).'
*** First throw call stack:
(
  0   CoreFoundation                      0x00000001053d61e6 __exceptionPreprocess + 294
  1   libobjc.A.dylib                     0x0000000100f07031 objc_exception_throw + 48
  2   CoreFoundation                      0x00000001053db472 +[NSException raise:format:arguments:] + 98
  3   Foundation                          0x00000001009aa652 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 193
  4   UIKit                               0x000000010284bd9b -[UITableView _endCellAnimationsWithContext:] + 19031
  5   UIKit                               0x0000000102865787 -[UITableView endUpdates] + 75
  6   StoreApp                            0x00000001003c3f7f _T08StoreApp0A14ViewControllerC010resetTableC033_5C3AD717C85DC9604A7179854EE8731CLLySay10Foundation9IndexPathVG10indexPaths_tFyycfU_ + 1391
  7   StoreApp                            0x00000001003c7381 _T08StoreApp0A14ViewControllerC010resetTableC033_5C3AD717C85DC9604A7179854EE8731CLLySay10Foundation9IndexPathVG10indexPaths_tFyycfU_TA + 17
  8   StoreApp                            0x00000001003c3fdd _T0Ig_IyB_TR + 45
  9   libdispatch.dylib                   0x000000010641e7ec _dispatch_client_callout + 8
  10  libdispatch.dylib                   0x000000010642b642 _dispatch_sync_thread_bound_invoke + 386
  11  libdispatch.dylib                   0x000000010641e7ec _dispatch_client_callout + 8
  12  libdispatch.dylib                   0x00000001064298cf _dispatch_main_queue_callback_4CF + 628
  13  CoreFoundation                      0x0000000105398c99 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
  14  CoreFoundation                      0x000000010535cea6 __CFRunLoopRun + 2342
  15  CoreFoundation                      0x000000010535c30b CFRunLoopRunSpecific + 635
  16  GraphicsServices                    0x0000000109cb4a73 GSEventRunModal + 62
  17  UIKit                               0x000000010272a057 UIApplicationMain + 159
  18  StoreApp                            0x00000001003c83d7 main + 55
  19  libdyld.dylib                       0x000000010649b955 start + 1
  20  ???                                 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
  • 동작순서 
    네트워크 연결
리쳐블 찍힘
viewDidLoad완료
네트워크 끊음
2018-08-03 11:35:23.739963+0900 StoreApp[36565:1986523] [] nw_socket_output_finished shutdown(8, SHUT_WR) [49: Can't assign requested address]
언리쳐블찍힘
테이블뷰 셀 reuse했더니 아래와 같은 에러 좌라라
언리쳐블 상태에서는 json과 캐시파일로 데이터를 가져오니까 로드는 되지만 네트워크 에서 log를 찍기때문에 프린트됨

// DataSetter설정시
네트워크에러: Error Domain=NSURLErrorDomain Code=-1009 "The Internet connection appears to be offline." UserInfo={NSUnderlyingError=0x604000259740 {Error Domain=kCFErrorDomainCFNetwork Code=-1009 "(null)" UserInfo={_kCFStreamErrorCodeKey=50, _kCFStreamErrorDomainKey=1}}, NSErrorFailingURLStringKey=http://crong.codesquad.kr:8080/woowa/detail/HEDFB, NSErrorFailingURLKey=http://crong.codesquad.kr:8080/woowa/detail/HEDFB, _kCFStreamErrorDomainKey=1, _kCFStreamErrorCodeKey=50, NSLocalizedDescription=The Internet connection appears to be offline.}

// DataSetter에서 기본 detail정보 설정할때 hash값 가져오면서 에러
데이터 에러!
2018-08-03 11:35:47.513580+0900 StoreApp[36565:1988190] TIC TCP Conn Failed [5:0x604000173740]: 1:50 Err(50)
2018-08-03 11:35:47.514749+0900 StoreApp[36565:1988190] Task <80A0484A-B224-46F5-9065-C9AA9F683E5F>.<12> HTTP load failed (error code: -1009 [1:50])
2018-08-03 11:35:47.517821+0900 StoreApp[36565:1988213] Task <80A0484A-B224-46F5-9065-C9AA9F683E5F>.<12> finished with error - code: -1009

2018.08.03

  • 스토어앱 8단계
    • 네트워크연결성에 따라 statusbar의 색깔 상태 변경하기(아이폰 통화중일때처럼 파랑 / 빨강 깜빡깜빡, 문구 추가)
    • alamofire 연결성확인 기능 공부(NetworkReachabilityManager)
  • 함수형프로그래밍: 송치원님 let us go 2018영상

2018.08.04

  • statusbar 흰색글씨로 구현하기 appdelegate에서
    • 참고
    • readme에정리할거리임
  • reachability 구현
  • 질문: layoutsubview는 언제불리나요
  • 블로그 글 정리하ㄱㅣ

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