ReactNative 在 Visual Studio Code环境下报错
-
error: bundling failed: TypeError: Cannot read property 'bindings' of null
原因:package.json 中的"babel-preset-react-native” 版本过低,修改到”5.0.0"及以上
解决方案:
"babel-preset-react-native": "^5.0.0” -
error: bundling failed: Error: Unable to resolve module
react-native-root-toastfrom/Users/weskhen/Documents/mst/RNDemo/app/components/Toast.js: Modulereact-native-root-toastdoes not exist in the Haste module map1.对应的moudle 确实不存在,需要手动添加
2.查看moudle存在,访问路径错误
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Error while executing command 'react-native run-ios --simulator iPhone X --no-packager’
ios目录下,没有xcode的工程文件
//工程编译报错
TypeError: Cannot read property '2' of null
-
Module AppRegistry is not a registered callable module (calling runApplication)
do npm run start --reset-cache or react-native start --reset-cache 1. Clear watchman watches: `watchman watch-del-all`. 2. Delete the `node_modules` folder: `rm -rf node_modules && npm install`. 3. Reset Metro Bundler cache: `rm -rf /tmp/metro-bundler-cache-*` or `npm start -- --reset-cache`. 4. Remove haste cache: `rm -rf /tmp/haste-map-react-native-packager-*`. -
error Invalid tag name "^23ç.4.1": Tags may not have any characters that encodeURIComponent encodes.
package.json文件出现错误!
iOS编译报错
- warning :Native component for “RCTImageView” does not exist
需要引入 RCTImage 模块解决
pod 'React', :path => '../node_modules/react-native', :subspecs => [
'Core',
'RCTImage']
Android编译报错
-
unable to load script from assets ‘index.android bundle’
第一步（创建缺失的目录）：mkdir android\app\src\main\assets
第二步（在创建好的目录添加程序需要的文件）：react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res
第三步：react-native run-android
- 安卓模拟器不能联网
cd到tools下
wujian-2:platform-tools weskhen./emulator -list-avds
Nexus_5X_API_27
Pixel_XL_Edited_API_27
wujian-2:tools weskhen$ cd /Users/weskhen/Documents/Android/android-sdk-macosx/emulator
emulator @Pixel_XL_Edited_API_27 -dns-server 8.8.8.8,114.114.114.114
