title: In React native 'adb' is not recognized as an internal and external command
body: <p>I tried to set the path in environmental variables but it doesn't work.</p>
  
  <p>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 }</p>