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ios - 反应原生 iOS 未从 xcode 连接到打包程序

问题描述

我有一个 react native (0.55.4) 项目，它在 Android 或 iOS 模拟器上运行良好。但是当我从 Xcode (9.3) 运行它时，应用程序在设备上启动，显示启动画面，metro bundler 在 mac 上启动，但是应用程序没有连接到 bundler/packager。

没有显示捆绑 js 代码的进程（绿色条）。

我还在 xcode 输出中获取这些日志：

2018-05-18 17:00:46.613995+0530 Thunderpod[42517:6526595] NSURLConnection finished with error - code -1001
2018-05-18 17:00:46.637 [info][tid:main][RCTCxxBridge.mm:210] Initializing <RCTCxxBridge: 0x1c01c3480> (parent: <RCTBridge: 0x1c00c6270>, executor: (null))
2018-05-18 17:00:46.633051+0530 Thunderpod[42517:6526595] Task <CE0CD57D-C025-4768-91D1-C9A03F02C072>.<0> HTTP load failed (error code: -999 [1:89])
2018-05-18 17:00:46.645156+0530 Thunderpod[42517:6526510] Initializing <RCTCxxBridge: 0x1c01c3480> (parent: <RCTBridge: 0x1c00c6270>, executor: (null))
2018-05-18 17:00:46.689 [warn][tid:main][RCTBridge.m:119] Class RCTCxxModule was not exported. Did you forget to use RCT_EXPORT_MODULE()?
2018-05-18 17:00:46.689056+0530 Thunderpod[42517:6526510] Class RCTCxxModule was not exported. Did you forget to use RCT_EXPORT_MODULE()?

在这些之后，我的应用程序（名为：Thunderpod）的日志正在显示：

2018-05-18 17:00:46.771 [info][tid:main][RCTRootView.m:293] Running application Thunderpod ({
    initialProps =     {
    };
    rootTag = 1;
})
2018-05-18 17:00:46.770981+0530 Thunderpod[42517:6526510] Running application Thunderpod ({
    initialProps =     {
    };
    rootTag = 1;
})
2018-05-18 17:00:47.377 [info][tid:com.facebook.react.JavaScript] Running application "Thunderpod" with appParams: {"rootTag":1,"initialProps":{}}. __DEV__ === true, development-level warning are ON, performance optimizations are OFF
2018-05-18 17:00:47.376715+0530 Thunderpod[42517:6527004] Running application "Thunderpod" with appParams: {"rootTag":1,"initialProps":{}}. __DEV__ === true, development-level warning are ON, performance optimizations are OFF
2018-05-18 17:00:47.395 [warn][tid:com.facebook.react.JavaScript] Persistor added to window variable
2018-05-18 17:00:47.394879+0530 Thunderpod[42517:6527004] Persistor added to window variable
2018-05-18 17:00:47.407 [info][tid:com.facebook.react.JavaScript] On before lift
2018-05-18 17:00:47.406652+0530 Thunderpod[42517:6527004] On before lift
2018-05-18 17:00:47.409 [info][tid:com.facebook.react.JavaScript] 'Persistor restored:', { rootReducer: { isFirstTime: true },
  userDataReducer: 
   { userRegistrationType: 'none',
     userCountryData: { name: '-', callingCode: '-', countryCode: '-' },
     userMobileNumber: '',
     userFacebookData: {},
     userPhoneData: {} },
  _persist: { version: -1, rehydrated: true } }
2018-05-18 17:00:47.408920+0530 Thunderpod[42517:6527004] 'Persistor restored:', { rootReducer: { isFirstTime: true },
  userDataReducer: 
   { userRegistrationType: 'none',
     userCountryData: { name: '-', callingCode: '-', countryCode: '-' },
     userMobileNumber: '',
     userFacebookData: {},
     userPhoneData: {} },
  _persist: { version: -1, rehydrated: true } }
2018-05-18 17:00:47.412 [info][tid:com.facebook.react.JavaScript] [App] Render
2018-05-18 17:00:47.412247+0530 Thunderpod[42517:6527004] [App] Render
2018-05-18 17:00:47.509556+0530 Thunderpod[42517:6526510] refreshPreferences: HangTracerEnabled: 0
2018-05-18 17:00:47.509604+0530 Thunderpod[42517:6526510] refreshPreferences: HangTracerDuration: 500
2018-05-18 17:00:47.509622+0530 Thunderpod[42517:6526510] refreshPreferences: ActivationLoggingEnabled: 0 ActivationLoggingTaskedOffByDA:0
2018-05-18 17:00:47.717 [info][tid:com.facebook.react.JavaScript] Component did mount.. Checking user authentication..
2018-05-18 17:00:47.717345+0530 Thunderpod[42517:6527004] Component did mount.. Checking user authentication..
2018-05-18 17:00:47.801047+0530 Thunderpod[42517:6527003] [] nw_connection_get_connected_socket 2 Connection has no connected handler
2018-05-18 17:00:47.801124+0530 Thunderpod[42517:6527003] TCP Conn 0x1c416f780 Failed : error 0:61 [61]
2018-05-18 17:00:47.916899+0530 Thunderpod[42517:6527008] [] nw_connection_get_connected_socket 3 Connection has no connected handler
2018-05-18 17:00:47.916938+0530 Thunderpod[42517:6527008] TCP Conn 0x1c416dec0 Failed : error 0:61 [61]
2018-05-18 17:00:48.075 [warn][tid:com.facebook.react.JavaScript] Warning: isMounted(...) is deprecated in plain JavaScript React classes. Instead, make sure to clean up subscriptions and pending requests in componentWillUnmount to prevent memory leaks.
2018-05-18 17:00:48.074829+0530 Thunderpod[42517:6527004] Warning: isMounted(...) is deprecated in plain JavaScript React classes. Instead, make sure to clean up subscriptions and pending requests in componentWillUnmount to prevent memory leaks.
20

另请注意，日志正在重复！

我的设置有什么问题？

编辑：我创建了一个新项目，没有做任何更改，我使用 xcode 运行它，它给了我同样的问题！

这是 package.json，我的 XCode 版本是 9.3 (9E145)，直到昨天都运行良好：

{
  "name": "TestXcode",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start",
    "test": "jest"
  },
  "dependencies": {
    "react": "16.3.1",
    "react-native": "0.55.4"
  },
  "devDependencies": {
    "babel-jest": "22.4.3",
    "babel-preset-react-native": "4.0.0",
    "jest": "22.4.3",
    "react-test-renderer": "16.3.1"
  },
  "jest": {
    "preset": "react-native"
  }
}

标签： iosxcodereact-native

解决方案

转到模拟器 --> 设备 --> 摇动 --> 配置捆绑包 --> 127.0.0.1:8081

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