Android
adb
React
reactnative

adb reverseでerror: closedと出る

Situation

ReactNativeのAndroidでの実機検証で出たエラー
Androidバージョンは4.4.4 KitKat

Problem

MacBook-Pro:Project user$ adb reverse tcp:8081 tcp:8081
error: closed

Solution

https://stackoverflow.com/questions/31525431/getting-error-closed-twice-on-adb-reverse

Android 4.4.4だとadb reverseができないらしい...
Android 5.0 Lollipop以降だと大丈夫。