在React中，本机'adb'不被识别为内部和外部命令 [英] In React native 'adb' is not recognized as an internal and external command
问题描述
我试图在环境变量中设置路径，但是它不起作用。
I tried to set the path in environmental variables but it doesn't work.
错误如下：
'adb'被识别为内部或外部命令，
可操作程序或批处理文件。启动应用程序（C：\Users\Administrator\AppData\Local\Android\Sdk / platform-tool
s / adb Shell am start -n com.demo / com.demo.MainActivity ...
开始：意图{cmp = com.demo / .MainActivity}
Error like as below: 'adb' is not recognized as an internal or external command, operable program or batch file.Starting the app (C:\Users\Administrator\AppData\Local\Android\Sdk/platform-tool s/adb shell am start -n com.demo/com.demo.MainActivity... Starting: Intent { cmp=com.demo/.MainActivity }
推荐答案
首先，您必须设置android sdk平台工具的环境变量
First of all you have to set environment variable of your android sdk's platform-tool
开始>控制面板>系统>高级系统设置>环境变量...
在此环境变量窗口的用户变量部分中，（您的-用户名）突出显示路径，然后单击编辑...
In this Environment Variables window, in the User variables section for (your-username) highlight Path and click Edit...
添加此路径： C：\Users\您的用户名＼ ＼AppData\Local\Android\sdk\platform-tools；
它是默认的sdk Windows OS中的路径。如果您的位置不同于添加sdk路径的位置，则单击确定，直到关闭环境变量弹出窗口。
its a default sdk path in windows OS. if you have different location than add your sdk path, than click OK until environment variable popup close.
如果已经有命令提示符窗口打开，将其关闭，然后重新打开，然后应使用adb devices命令。
If you already have a Command Prompt window open, close it then re-open and the adb devices command should then work.
第2步：
如果仍然不起作用，则添加 local.properties 文件添加到您的项目
if its still not work than add local.properties file to your project
- 转到您的React native Project-> Android
- 创建文件local.properties
- 打开文件
-
粘贴如下所示的Android SDK路径
- Go to your React native Project -> Android
- Create a file local.properties
- Open the file
paste your Android SDK path like below
sdk.dir = C：/用户/ USERNAME / AppData / Local / Android / sdk
sdk.dir = / Users / USERNAME / Library / Android / sdk
在Linux中 sdk.dir = / home / USERNAME / Android / Sdk
用您的用户名替换USERNAME
Replace USERNAME with your user name
现在，在您的计算机中运行 react-native run-android 终端
Now, Run react-native run-android in your terminal
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