unable to load script from assets index.android.bundle

• (in project directory) mkdir android/app/src/main/assets
• react-native bundle —platform android —dev false —entry-file index.android.js —bundle-output android/app/src/main/assets/index.android.bundle —assets-dest android/app/src/main/res
• react-native run-android

Could not connect to development server

如果是真机调试，在命令行中执行如下命令： adb reverse tcp:8081 tcp:8081

注意，如果命令行中找不到这个命令，可以cd到Android\sdk\platform-tools目录下再执行