react-native 环境配置遇到的问题

本文针对React Native初学者在环境搭建过程中可能遇到的问题进行了详细的解答,包括Android环境配置、依赖缺失等常见错误及其解决办法。

初次学习react-native 搭建环境难免会遇到各种问题,说实话还是得认真严格按照官网给的说明一步一步就不会踩坑了

问题1

QQ图片20161206095551.png

问题原因:
failed to find target with hash string android-23 http://stackoverflow.com/ques...
环境配置问题在Android Studio安装完成后,欢迎界面中选择Configure | SDK Manager 没有设置完整

解决办法:
重新配置http://reactnative.cn/docs/0....
备注:如果出现类似这种错误务必检查错误提示的原因和解决的办法。

问题2 Could not get BatchedBridge, make sure your bundle is packaged correctly

772815773610153399.jpg

问题原因:gradle相应依赖没加入,网上各种说法
解决办法:
cd进入项目根目录执行如下安装命令:
react-native bundle --platform android --dev false --entry-file index.android.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res/

直接执行此命令如果出现如下错误,请到app/src/main目录下手动创建assets文件加,然后在从新执行。

错误情况:

QQ图片20161208154137.png

正确情况:

QQ图片20161208160339.png

执行成功后会在app/src/main/assets文件下生成如下文件

QQ图片20161208160811.png

综上所述问题解决完成在重新执行 react-native run-android 命令在真机上就可以看到正常运行的结果

26904789168171968.jpg

{ "name": "AwesomeProject", "version": "0.0.1", "private": true, "scripts": { "android": "react-native run-android", "ios": "react-native run-ios", "start": "react-native start", "test": "jest", "lint": "eslint .", "postinstall": "patch-package", "generate:icons": "node generateIconMap.js" }, "dependencies": { "@ant-design/icons-react-native": "^2.3.2", "@ant-design/react-native": "^5.1.0", "@react-native-async-storage/async-storage": "^1.19.0", "@react-native-community/cameraroll": "^4.0.0", "@react-native-community/masked-view": "0.1.11", "@react-native-community/segmented-control": "^2.1.1", "@react-native-community/slider": "^3.0.3", "@react-native-community/viewpager": "^4.1.6", "@react-native-picker/picker": "^1.16.8", "@react-navigation/native": "^6.1.7", "@react-navigation/native-stack": "^6.9.12", "@rneui/base": "^4.0.0-rc.8", "@rneui/themed": "^4.0.0-rc.8", "d3-shape": "^1.3.7", "minio": "^7.0.15", "react": "17.0.2", "react-native": "0.68.0", "react-native-background-timer": "^2.4.1", "react-native-device-info": "^8.1.3", "react-native-elements": "^1.2.7", "react-native-exception-handler": "^2.10.10", "react-native-fs": "^2.18.0", "react-native-gesture-handler": "2.14.0", "react-native-get-location": "^2.1.0", "react-native-get-random-values": "^1.4.0", "react-native-image-picker": "^3.8.1", "react-native-image-zoom-viewer": "^3.0.1", "react-native-linear-gradient": "^2.8.3", "react-native-modal-dropdown": "^1.0.2", "react-native-permissions": "3.8.0", "react-native-reanimated": "2.14.4", "react-native-safe-area-context": "3.3.2", "react-native-screens": "3.15.0", "react-native-signature-capture": "^0.4.12", "react-native-sound": "^0.11.1", "react-native-sqlite-storage": "^4.1.0", "react-native-svg-charts": "5.4.0", "react-native-table-component": "^1.2.2", "react-native-vector-icons": "^9.2.0", "react-native-webview": "^11.26.0", "react-redux": "^7.2.0", "redux": "^4.0.5", "redux-thunk": "^2.3.0" }, "devDependencies": { "@babel/core": "^7.12.9", "@babel/runtime": "^7.12.5", "@react-native-community/cli-doctor": "^10.0.0", "@react-native-community/eslint-config": "^2.0.0", "@react-navigation/native": "^6.1.7", "@react-navigation/native-stack": "^6.9.12", "babel-jest": "^26.6.3", "babel-plugin-import": "^1.13.8", "eslint": "^7.32.0", "jest": "^26.6.3", "metro-react-native-babel-preset": "^0.68.0", "patch-package": "^6.4.7", "react-native-version-check": "^3.5.0", "react-test-renderer": "17.0.2" }, "jest": { "preset": "react-native" } } 这是我的json文件按照你说的降级 降级 @ant-design/react-native 到5.0.1是否有其他报错?
08-01
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