一、开发过程中遇到缺少 *.jsbundle或者 *.jsbundle没有及时更新的情况
解决方法:
ios端:yarn react-native bundle --entry-file index.js --platform ios --dev false --bundle-output ios/main.jsbundle --assets-dest ios
android端:yarn react-native bundle --entry-file index.js --platform android --dev false --bundle-output ./android/app/src/main/assets/index.android.bundle --assets-dest ./android/app/src/main/res/
温馨提示,每次发布release包之前,最好是使用上述命令生成对应平台的最新bundle包。以保证发布的包是最新的。
二、开发过程中遇到依赖加载重复
报错信息如下:
error React Native CLI uses autolinking for native dependencies, but the following modules are linked manually:
- react-native-doc-viewer (to unlink run: "react-native unlink react-native-doc-viewer")
- react-native-document-picker (to unlink run: "react-native unlink react-native-document-picker")
- react-native-fs (to unlink run: "react-native unlink react-native-fs")
解决方法:
在项目的根目录中,添加一个 react-native.config.js。文件中如下配置:
// react-native.config.js
module.exports = {
dependencies: {
'react-native-doc-viewer': {
platforms: {
// android: null,
ios: null,
// add more platform to disable auto-linking for them too
},
},
'react-native-document-picker': {
platforms: {
// android: null,
ios: null,
// add more platform to disable auto-linking for them too
},
},
'react-native-fs': {
platforms: {
// android: null,
ios: null,
//ios: null,
// add more platform to disable auto-linking for them too
},
},
}
}
此处只作为参考,具体需要根据您重复的依赖进行对应的配置。
三、启动ios模拟器时,指定自己需要的模拟器
RN 启动iOS端时指定模拟器:yarn ios --simulator 'iPhone 14 Pro'
如上所示就是在 yarn ios 后跟上参数--simulator 和对应模拟器的名字。
通用格式:yarn ios --simulator 'iPhone XXX'
四、TypeError: undefined is not an object (evaluating '_reactNative.TabBarIOS.Item')
解决方法:
进入到项目的 node_modules > antd-mobile-rn > lib > tab-bar > tabbar.ios.js 文件,注释掉文件中的
// TabBar.Item = _reactNative.TabBarIOS.Item;
这一行就OK啦。
五、react-native-webview报错
报错信息:Invariant Violation: WebView has been removed from React Native. It can now be installed and imported from 'react-native-webview' instead of 'react-native'. See https://github.com/react-native-community/react-native-webview
此处其实就是 webview的引入方式发生了改变了,之前是从 react-native 中引入的,现在变成从 react-native-webview中引入了。新的引入方式:
import { WebView } from 'react-native-webview'
六、react-native-baidu-map安装时报错
-
报 http://repo.lovebing.net/repository/maven-public/ 找不到的问题。此处是因为android的安全机制升级,默认不允许访问http的链接了,如果要使http链接能够继续访问,需要打开非安全访问(allowInsecureProtocol)的开关。如下所示:
maven() { allowInsecureProtocol true url 'http://repo.lovebing.net/repository/maven-public/' }
-
报错信息:
What went wrong:
A problem occurred configuring project ':react-native-baidu-map'.Could not resolve all files for configuration ':react-native-baidu-map:classpath'.
Could not find aapt2-proto-0.3.1.jar (com.android.tools.build:aapt2-proto:0.3.1).
Searched in the following locations:
https://maven.aliyun.com/repository/gradle-plugin/com/android/tools/build/aapt2-proto/0.3.1/aapt2-proto-0.3.1.jar此处是因为 com.android.tools.build:gradle的版本不一致,将其换成对应的版本就可以解决了。(此处报错信息已经提示0.3.1)
dependencies { classpath 'com.android.tools.build:gradle:3.1.0' }
七、android的依赖加载的时候,默认的资源链接可能需要翻墙,建议换成国内的
系统默认的:
google()
jcenter()
建议换成国内阿里的:
maven { url 'https://maven.aliyun.com/repository/google' }
maven { url 'https://maven.aliyun.com/repository/jcenter' }
八、打包发布之前的检测命令
android 打release包之前的检测命令:
npx react-native run-android --variant=release
九、安装包的时候报错
报错信息:
java.util.concurrent.ExecutionException: com.android.builder.testing.api.DeviceException: com.android.ddmlib.InstallException: INSTALL_FAILED_UPDATE_INCOMPATIBLE: Existing package XXX signatures do not match newer version; ignoring!
看报错信息,是签名不匹配,已经存在一个包,删除旧的安装包,重新安装就好了。
十、android项目运行时报错
报错信息:
Check the render method of
AnimatedComponent
进入到 node_modules > react-native-scrollable-tab-view 下,把const ViewPager = require('@react-native-community/viewpager');
的引入方式修改为:
import ViewPager from '@react-native-community/viewpager'
上方的报错就可以解决了。
十一、Could not find method mavenDeployer() for arguments
报错信息:
Could not determine the dependencies of task ':app:mergeDebugAssets'.
Could not resolve all dependencies for configuration ':app:debugRuntimeClasspath'.
A problem occurred configuring project ':react-native-screens'.
> Could not find method mavenDeployer() for arguments [build_60fl66f2yqce3foadlpzk3c4_closure17$_closure19@15a2077d] on repository container of type org.gradle.api.internal.artifacts.dsl.DefaultRepositoryHandler.
报上方的错是对应的库版本太老了,库的发布方式和当前环境对应不上了,把对应的库升级一下就好了。