1、Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
解決辦法:Xib中選中某個Controller-》Show the file inspector -> Interfaces Builder Document -> Builds for ->ios8以上(但是做好的布局需要在ios7以上驗證)
2、Storyboard:Scene is unreachable due to lack of entry points and does not have an identifier for runtime access
解決辦法: 是因為在storyboard中的某個controller沒有設置storyboardID的原因,給Controller添加一個storyboardID就行了
http://blog.csdn.net/freedom2028/article/details/8589375
3、類型不匹配問題
解決辦法: ?轉換成對應的數據類型
4、Xcode不支持的配置:plain style unsupported in a Navigation Item
解決辦法:在storyboard或xib中選中對應的controller->NavigationItem-》 Left/Right Bar Button Items ->選中某個Bar Button Item——》右側Style-》Plain改為Bordered
5、API過期,
解決辦法:替換成最新版的API
http://cocoadocs.org/docsets/AFNetworking/2.1.0/Classes/AFHTTPRequestSerializer.html
6、Storyboard:Unsupported Configuration: Prototype table cells must have reuse identifiers
解決辦法:給Cell添加一個重用標識
7、Storyboard:Frame for "XXX" will be different at run time.
解決辦法:這個View缺少完整的約束,添加完整的約束
8、Storyboard:Ambiguous Layout: Size and vertical position are ambiguous for "Add Address View".
解決辦法:缺少約束
9、Storyboard:Unsupported Configuration: Segues initiated directly from view controllers must have an identifier for use with -[UIViewController performSegueWithIdentifier:sender:]
解決辦法:segues沒有設置標識,雖然有連線,這種一般都可以廢棄或 重新添加標識,結合代碼
http://stackoverflow.com/questions/24087250/segue-identifier-error
10、Images.xcassets:Missing Content: The file "credit_card_light.png" for the image set "credit_card_light" does not exist.
解決辦法:引用的圖片不存在,添加對應的圖片
11、Images.xcassets: The image set name“xxx.png”is used by multiple image sets
解決辦法:可能添加多個相同名字的圖片,導致模糊不清,刪除重復的圖片
12、Xcode:Directory not found for option“-L path"
解決辦法:可能刪除了某個目錄,但是項目中還會搜索這個目錄,
Target-》build setting->search path ->去掉沒有的搜索路徑
13、Xcode: APP名稱.app.DSYM 有warnings
解決辦法:Target-》APP-》Build settings-》Build Options-》 Debug Information Format
DWARF With dSYM File ?改為 DWARF
14、代碼: 某個變量定義了但是沒有被使用
解決辦法:最好刪除