问题描述
当我运行一个 react-native 项目时,我得到一个错误 no bundle URL present
,但我不知道我犯了什么错误,我很困惑.
我也刚遇到这个问题(第一次开始使用 React Native).当 ios 模拟(react-native run-ios
)正在运行时,问题消失了 - 我运行了 npm install
然后 react-native run-ios
再次.在终端窗口显示正在捆绑,然后模拟器显示欢迎界面.
When I run a react-native project, I get a error no bundle URL present
, but I don't know what mistakes I do, I was very confused.
I just ran into this problem as well (first time getting started with React Native). The problem disappeared when - while an ios simulation(react-native run-ios
) was running - I ran npm install
and then react-native run-ios
again. In the terminal window, it showed that it was bundling, and then the simulator showed the welcome screen.
Check this link for briefs after react-native init PropertyFinder
line try to use npm start
(This one works for me)
========================================================================
UPDATE for 16.9
My port 8081 was blocked by McAfee. Using a different port directly wasn't working react-native start --port=8082
and react-native run-ios --port=8082
Tried almost all solutions given here. but anything didn't work.
"react": "16.9.0",
"react-dom": "^16.12.0",
"react-native": "0.61.5",
Solution:
Searched for 8081 in Xcode and replaced all of them with 8082. Then run the same commands to build and run the app. App works smoothly
react-native start --port=8082
react-native run-ios --port=8082
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