最近在学习React Native 参考官网教程 使用最新版本(0.61) 基本没遇到什么问题
尝试使用老版本 0.58 在构建一遍 踩到了许多坑 在此记录一下
1. react-native run-ios 无法启动模拟器
// 遇到问题
Could not find iPhone X simulator
Error: Could not find iPhone X simulator
at Promise.then.udid.udid (/Users/sobot/Documents/react-native-app/rn_0_58_4/node_modules/react-native/local-cli/runIOS/runIOS.js:149:13)
at new Promise (<anonymous>)
at runOnSimulator (/Users/sobot/Documents/react-native-app/rn_0_58_4/node_modules/react-native/local-cli/runIOS/runIOS.js:134:10)
at Object.runIOS [as func] (/Users/sobot/Documents/react-native-app/rn_0_58_4/node_modules/react-native/local-cli/runIOS/runIOS.js:106:12)
at /Users/sobot/Documents/react-native-app/rn_0_58_4/node_modules/react-native/local-cli/cliEntry.js:117:22
// 解决方案
// 找到 node_modules/react-native/local-cli/runIOS/findMatchingSimulator.js 注释掉以下代码
if (
simulator.availability !== '(available)' &&
simulator.isAvailable !== 'YES'
) {
continue;
}
// 重新 react-native run-ios 解决
2. ios/build/ModuleCache.noindex/GDNYEK3GNWBZ/WebKit-3M3AFHBPPA3AE-1a58cd7a.pcm.tmp' 解决完上一个模拟器问题之后 继续执行 出现这个报错看问题描述貌似是备份之类的出错 取消再次执行就不报错了
// 解决完上一个模拟器问题之后 继续执行 出现这个报错
Looking for JS files in
/Users/sobot/Documents/react-native-app/rn_0_58_4
Loading dependency graph...events.js:187
throw er; // Unhandled 'error' event
^
Error: ENOENT: no such file or directory, lstat '/Users/sobot/Documents/react-native-app/rn_0_58_4/ios/build/ModuleCache.noindex/GDNYEK3GNWBZ/WebKit-3M3AFHBPPA3AE-1a58cd7a.pcm.tmp'
Emitted 'error' event on FSEventsWatcher instance at:
at Walker.emit (events.js:210:5)
at /Users/sobot/Documents/react-native-app/rn_0_58_4/node_modules/walker/lib/walker.js:52:12
at callback (/Users/sobot/Documents/react-native-app/rn_0_58_4/node_modules/graceful-fs/polyfills.js:295:20)
at FSReqCallback.oncomplete (fs.js:158:21) {
errno: -2,
code: 'ENOENT',
syscall: 'lstat',
path: '/Users/sobot/Documents/react-native-app/rn_0_58_4/ios/build/ModuleCache.noindex/GDNYEK3GNWBZ/WebKit-3M3AFHBPPA3AE-1a58cd7a.pcm.tmp'
}
Process terminated. Press <enter> to close the window
// 解决方案 取消继续执行react-native run-ios
3. 模拟器红屏 Unknown argument type 'attribute' in method -[RCTAppState getCurrentAppState:error:]. Extend RCTConvert to support this type.
Unknown argument type '__attribute__' in method -[RCTAppState getCurrentAppState:error:]. Extend RCTConvert to support this type.
-[RCTModuleMethod processMethodSignature]
RCTModuleMethod.mm:375
-[RCTModuleMethod invokeWithBridge:module:arguments:]
facebook::react::invokeInner(RCTBridge*, RCTModuleData*, unsigned int, folly::dynamic const&)
facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&&, int)::$_0::operator()() const
invocation function for block in facebook::react::RCTNativeModule::invoke(unsigned int, folly::dynamic&&, int)
_dispatch_call_block_and_release
_dispatch_client_callout
_dispatch_main_queue_callback_4CF
__CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__
__CFRunLoopRun
CFRunLoopRunSpecific
GSEventRunModal
UIApplicationMain
main
start
0x0
// 解决办法
node_modules/react-native/React/Base/RCTModuleMethod.mm 91行
static BOOL RCTParseUnused(const char **input)
{
return RCTReadString(input, "__unused") ||
RCTReadString(input, "__attribute__((__unused__))") || // 增加这行解决
RCTReadString(input, "__attribute__((unused))");
}
4. 安装react-native-video 报错 TypeError: undefined is not an object (evaluating 'RCTVideoInstance.Constants')
TypeError: undefined is not an object (evaluating 'RCTVideoInstance.Constants')
This error is located at:
in Video (at App.js:26)
in RCTView (at View.js:45)
in View (at App.js:25)
in App (at renderApplication.js:34)
in RCTView (at View.js:45)
in View (at AppContainer.js:98)
in RCTView (at View.js:45)
in View (at AppContainer.js:115)
in AppContainer (at renderApplication.js:33)
render
Video.js:266:42
finishClassComponent
ReactNativeRenderer-dev.js:11610:21
updateClassComponent
ReactNativeRenderer-dev.js:11538:4
performUnitOfWork
ReactNativeRenderer-dev.js:16075:21
workLoop
ReactNativeRenderer-dev.js:16115:41
renderRoot
ReactNativeRenderer-dev.js:16219:15
performWorkOnRoot
ReactNativeRenderer-dev.js:17198:17
performWork
ReactNativeRenderer-dev.js:17099:24
performSyncWork
ReactNativeRenderer-dev.js:17060:14
requestWork
ReactNativeRenderer-dev.js:16925:19
scheduleWork
ReactNativeRenderer-dev.js:16724:16
scheduleRootUpdate
ReactNativeRenderer-dev.js:17413:15
render
ReactNativeRenderer-dev.js:18191:20
renderApplication
renderApplication.js:59:34
run
AppRegistry.js:101:10
runApplication
AppRegistry.js:195:26
__callFunction
MessageQueue.js:366:47
<unknown>
MessageQueue.js:106:26
__guard
MessageQueue.js:314:10
callFunctionReturnFlushedQueue
MessageQueue.js:105:17
callFunctionReturnFlushedQueue
[native code]:0
解决方案
1. cd ios // 进入ios目录
2. pod init ./rn_0_58_4.xcodeproj/ // 初始化cocospods 后面的xcodeproj是当前路径下的
3. 编辑Podfile
// 使用以下内容覆盖Podfile
project './rn_0_58_4.xcodeproj/'
# Uncomment the next line to define a global platform for your project
platform :ios, '9.0'
target 'rn_0_58_4' do
# Comment the next line if you don't want to use dynamic frameworks
# use_frameworks!
pod 'React', :path => '../node_modules/react-native/'
pod 'yoga', :path => '../node_modules/react-native/ReactCommon/yoga'
pod 'react-native-video', :path => '../node_modules/react-native-video/react-native-video.podspec'
# Pods for rn_0_58_4
end
4. cd .. // 回到项目根目录
5. react-native link react-native-video // 链接到native
6. cd ios //
7. pod install --verbose // 安装原生依赖
8. react-native run-ios // 运行成功
5. run-ios 时候一直下载内容 是因为 /User/username/.rncache/ 缺少版本需要的依赖
// 这块改路径版本
https://github.com/facebook/react-native/blob/0.58-stable/scripts/ios-install-third-party.sh
最下面会有下载地址 手工翻墙下载就可以了
fetch_and_unpack glog-0.3.5.tar.gz https://github.com/google/glog/archive/v0.3.5.tar.gz 61067502c5f9769d111ea1ee3f74e6ddf0a5f9cc "\"$SCRIPTDIR/ios-configure-glog.sh\""
fetch_and_unpack double-conversion-1.1.6.tar.gz https://github.com/google/double-conversion/archive/v1.1.6.tar.gz 1c7d88afde3aaeb97bb652776c627b49e132e8e0
fetch_and_unpack boost_1_63_0.tar.gz https://github.com/react-native-community/boost-for-react-native/releases/download/v1.63.0-0/boost_1_63_0.tar.gz c3f57e1d22a995e608983effbb752b54b6eab741
fetch_and_unpack folly-2018.10.22.00.tar.gz https://github.com/facebook/folly/archive/v2018.10.22.00.tar.gz f70a75bfeb394363d2049a846bba118ffb3b368a
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