Xcode7,ios9 issue ,warning合集
1.Downcast from 'UIViewController' only unwraps optionals;did you mean to use'!'?
原: ?let view = mainStory.instantiateInitialViewController() as! UIViewController
? window?.rootViewController = view
修改:
if let view = mainStory.instantiateInitialViewController(){?
? ? ? ? ? ? window?.rootViewController = view
? ? ? ? }
2.Call can throw, but it is not marked with 'try' and the error is not handled 或者?ambiguous reference to member 'appendpartwithfileurl'
原:formData.appendPartWithFileURL(filePath, name:?"file")
修改:do {
? ? ? ?try formData.appendPartWithFileURL(filePath, name: "file")
} catch {
// TODO: handle error
}
3.Cannot convert value of type '[String : String?]' to expected argument type 'AnyObject?'
原:
let params = [?"url": urlTf.text?]
修改:let?params = [?"url":?urlTf.text ??? ""?]
4.storyboard?minimum font size greater than current font size
修改:在 inspector 下 修改 autoshrink fixed font size
?
?
?
?
?
轉載于:https://www.cnblogs.com/-yfan/p/5223142.html
創作挑戰賽新人創作獎勵來咯,堅持創作打卡瓜分現金大獎總結
以上是生活随笔為你收集整理的Xcode7,ios9 issue ,warning合集的全部內容,希望文章能夠幫你解決所遇到的問題。
- 上一篇: iOS性能优化技术
- 下一篇: xhost和XServer相关概念汇总