this app could not be installed at this time

问题描述:
模拟器运行APP  提示this app could not be installed at this time

解决方法:

一.直接重新运行

二:

1.点击模拟器: 

选择: 

Hardware -> Erase All content and settings;清空模拟器的缓存 

2.点击项目: 

把项目清一下 

shift+cmd+K 

shift+opt+cmd+K 

3.重新运行就OK

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