1.segue
master-detail view template
一個tableviewcell segue 到detailview,並將一個document傳輸給detailview,發現如論如何有一個bug,即document開始傳輸過去爲nil,detailview顯示之後才初始化
解決方法:刪除原來的segue,從master view segue到detail view,這樣就能保證在detail view顯示之前,document已經初始化完畢
原因:等待探索。。。
http://www.raywenderlich.com/5138/beginning-storyboards-in-ios-5-part-1
2.Segue Show (UI Navigation - > View Controller,在View Controller自動生成一個Navigation Item) , 發現無法在View Controller的Navigation Item上增加一個Bar Button Item
http://stackoverflow.com/questions/25587465/how-to-add-buttons-to-navigation-controller-visible-after-segueing
3.iOS模擬器的debug -> location -> City Run不生效
http://stackoverflow.com/questions/24842594/ios-simulator-location-not-working