世博会开始无法 adb 反向：adb.exe：错误：设备离线

Question

使用Expo启动react-native项目，出现adb连接错误。\n需要连接Expo本地和Android studio模拟器\n控制台错误是这样的。

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To run the app, choose one of:\n\xe2\x80\xba Scan the QR code above with the Expo app (Android) or the Camera app (iOS).\n\xe2\x80\xba Press a for Android emulator, or w to run on web.\n\xe2\x80\xba Press e to send a link to your phone with email.\n\nPress ? to show a list of all available commands.\nCouldn't adb reverse: adb.exe: error: device offline\nCouldn't start project on Android: Error running adb: adb.exe: device offline\nCouldn't adb reverse: adb.exe: error: device offline\nCouldn't start project on Android: Error running adb: adb.exe: device offline\n

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来人帮帮我

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Answer 1

我能够解决这个问题如下：

1. 启动 Android Studio 模拟器
2. 在模拟器中打开“设置”应用
3. 激活开发者模式（通过重复点击内部版本号）