App installation failed(Xcode 7.1)

This application's application-identifier entitlement does not 
match that of the installed application. These values must match 
for an upgrade to be allowed.

App_installation_failed.jpg

原因:設(shè)備上已經(jīng)存在相同Bundle Identifier的應(yīng)用
解決:刪除設(shè)備上相同Bundle Identifier的應(yīng)用

Could not launch “Your Project Name”(Xcode 7.1)

process launch failed: Security

Could_not_launch.jpg

現(xiàn)象一:設(shè)備上會按照該App,但是不能直接打開。(個人開發(fā)者應(yīng)該不會有這問題，公司的證書會存在這問題)
原因一:證書不受信任。點(diǎn)擊設(shè)備上的App圖標(biāo),會彈出提示(如下圖)。
解決一:設(shè)置-->通用-->描述文件-->點(diǎn)擊你的開發(fā)者賬號-->信任。

NoSecurity.jpg

updated certificate

The certificate used to sign "YourProject" 
has either expired or has been revoked. 
An updated certificate is required to sign 
and install the application.

原因:本地沒有相關(guān)證書。
解決:Xcode(桌面左上角)-->Preferences...(快捷鍵command+,)-->Accounts-->從Apple IDs列表點(diǎn)擊相關(guān)用戶-->View Details...-->Download All