一、需要提前安装的物料
- Java 建议安装最新稳定LTS(Long Term Support)版本,这篇文章写的时候应该是21
- Android Studio 方便安装所需的各种依赖
- Node.js
二、React Native启动
我这里用的是无框架启动方式:reactnative.dev/docs/gettin... 按照步骤走,走到npm run android时,问题就来了。
三、遇到的各类问题
1、Error: SDK location not found. Define location with sdk.dir
in the local.properties file or with an ANDROID_HOME
environment variable.:stackoverflow.com/questions/2... 2、error Failed to install the app. Command failed with exit code 1: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081 FAILURE: Build failed with an exception. * What went wrong: A problem occurred configuring project ':app'. > NDK not configured. Download it with SDK manager. Preferred NDK version is '27.0.12077973'.: 这个错误需要通过Android Studio安装NDK,勾选show package Details选择相应版本:
这里有个坑点:报错提示显示推荐使用27.0.12077973,但你装了之后没有用,因为要装build.gradle里的版本:
3、 CMake '3.22.1' was not found in SDK, PATH, or by cmake.dir property. * Try: > Run with --stacktrace option to get the stack trace. 一样的根据提示用Android Studio安装CMake选择相应版本。
4、最后启动成功,手机安装完包后,会是这样:
结语
在每次报错后都需要重新运行npm run android命令,其中会多次安装各种依赖,而且依赖的下载速度特别慢,只能慢慢等。(有提高下载速度的办法欢迎留言☺)