react 学习笔记4

用react-native的安装初始化AwesomeProject

1.react-native init AwesomeProject

  cd AwesomeProject

 npm install 

2 adb devices

确定android虚拟机

 adb devices
List of devices attached
emulator-5554    device

3.react-native run-android 'enulator-5554'

info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 864 file(s) to forward-jetify. Using 4 workers...
info JS server already running.
info Installing the app...