npm install --save-dev jetifier (or use yarn, but install it locally in your project, not globally)
npx jetify or npx jetify -w=1 (to specify the number of parallel workers)
npx react-native run-android
npm install --save-dev jetifier (or use yarn, but install it locally in your project, not globally)
npx jetify or npx jetify -w=1 (to specify the number of parallel workers)
npx react-native run-android