$> cd myproject  $> react-native start > /dev/null 2>&1 &  $> curl "http://localhost:8081/index.android.bundle?platform=android" -o> "android/app/src/main/assets/index.android.bundle"

(if the folder assets does not exists create it)

Then run from project root

$> (cd android/ && ./gradlew assembleDebug)

install the created apk to you device, from location: android/app/build/outputs/apk/app-debug.apk

or －－－－－－－－－－－修改package.json

"scripts": {    "build": "(cd android/ && ./gradlew assembleDebug)",    "start": "node node_modules/react-native/local-cli/cli.js start",    "bundle-android": "react-native bundle --platform android --dev false --entry-file index.android.js --bundle-output android/app/src/main/assets/index.android.bundle --sourcemap-output android/app/src/main/assets/index.android.map --assets-dest android/app/src/main/res/"  },