开始开发

确保你的计算机和设备上的 Wi-Fi 网络相同。

¥Make sure you are on the same Wi-Fi network on your computer and your device.

如果仍然不起作用，则可能是由于路由配置所致 - 这对于公共网络来说很常见。你可以通过在启动开发服务器时选择隧道连接类型，然后再次扫描二维码来解决此问题。

¥If it still doesn't work, it may be due to the router configuration — this is common for public networks. You can work around this by choosing the Tunnel connection type when starting the development server, then scanning the QR code again.

Using the 隧道 连接类型将使应用的重新加载速度比 LAN 或本地连接慢得多，因此最好尽可能避免使用隧道。如果需要 Tunnel 从网络上的另一台设备访问你的机器，你可能需要安装并使用模拟器或模拟器来加快开发速度。

¥connection type will make the app reloads considerably slower than on LAN or Local, so it's best to avoid tunnel when possible. You may want to install and use an emulator or simulator to speed up development if Tunnel is required to access your machine from another device on your network.

默认情况下，Expo Go 配置为在文件发生更改时自动重新加载应用，但让我们确保完成以下步骤以启用它，以防万一出现问题。

¥Expo Go is configured by default to automatically reload the app whenever a file is changed, but let's make sure to go over the steps to enable it in case somehow things aren't working.

• 确保你拥有 在 Expo CLI 中启用开发模式。

  ¥Make sure you have the development mode enabled in Expo CLI.

• 关闭 Expo 应用并重新打开它。

  ¥Close the Expo app and reopen it.

• 再次打开应用后，摇动你的设备以显示开发者菜单。如果你使用模拟器，请按 Ctrl + M（适用于 Android）或 Cmd ⌘ + D（适用于 iOS）。

  ¥Once the app is open again, shake your device to reveal the developer menu. If you are using an emulator, press Ctrl + M for Android or Cmd ⌘ + D for iOS.

• 如果你看到启用快速刷新，请按它。如果你看到“禁用快速刷新”，请关闭开发者菜单。现在尝试进行另一个改变。

  ¥If you see Enable Fast Refresh, press it. If you see Disable Fast Refresh, dismiss the developer menu. Now try making another change.