无法从设备 (iPhone) 接收消息
我在 iPod Touch 2.2.1 设备上构建并运行了一个 iPhone 应用程序，遇到了一些问题并尝试修复。现在正在尝试重建和重建运行应用程序会给出两 (2) 个错误弹出提示：
无法从设备接收消息[确定]
Google 找不到此信息！设备本身运行良好，我什至可以启动并使用我尝试安装的应用程序。 iTunes 看起来仍处于连接状态...可能是什么问题？
I built and run an iPhone application on iPod Touch 2.2.1 device, got some problems and made a fix attempt. Now trying to re-build & run the application gives two (2) error popup notes:
Could not receive a message from the device [OK]
Google couldn't find this! The device itself is working happily, I can even launch and use the app I'm trying to install. iTunes looks like it's still connected... What could be the problem?
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评论（7）
重新启动 iPhone。
Restart the iPhone.
重新启动您的 iPhone 设备。另外，重新启动 Xcode。这对我有用。
Restart your iPhone device. Also, restart Xcode. This worked for me.
您是否使用一些“便宜”的 USB 电缆？这就是我的案例的原因。
Are you using some "cheap" USB cable? This was the cause in my case.
刚刚收到同样的消息。我通过将 iPhone 直接连接到 Mac 的 USB 端口而不是连接到 USB 集线器来修复此问题。
Just got the same message. I fixed it by connecting my iPhone directly to my Macs USB-Port instead of connecting it to a USB-Hub.
我遇到了同样的问题，这是由于 WiFi 连接设置旧造成的。我刚刚在 iMac 和 iPhone 中连接了新的 WiFi。我从不通过 USB 连接。 iMac 会自动连接到我的 iPhone，我可以直接在 iPhone 上进行调试。有时连接松动；在这种情况下，我只需转到
-> Windows -> 设备和模拟器 -> 选择我的设备 -> 右键单击 -> 连接 vai IP 地址。
只需输入我的 iPhone WiFi 的 IP 地址即可。为此，只需转到 --> iPhone的WiFi -> 信息（符号） -> IP 地址。
I was having the same issue, and it was due to having old WiFi connection settings. I just connect new WiFi in both iMac and iPhone. I never connect via USB. iMac automatically connects to my iPhone and I can debug directly on my iPhone. Sometimes the connection is loose; in that case, I just go to
-> Windows -> Device and simulators -> select my device -> right click -> connect vai IP address.
Just enter an IP address from my iPhone WiFi. For that, just go to --> WiFi of iPhone -> info (symbol) -> IP address.
我也收到此消息，问题是连接到我的 MacBook Pro 的设备（通过 USB）太多。
I also got this messsage, the problem was too many devices (via USB) connected to my MacBook Pro.
最近收到此消息并尝试了上述步骤，特别是重新启动 iPhone、断开/重新连接以及退出/重新启动 Xcode 的不同组合。
最后，我重新启动了我的电脑，现在工作正常了。
Received this message recently and tried the steps above, specifically different combinations of restarting the iPhone, disconnecting/reconnecting it, and quitting/restarting Xcode.
In the end, I restarted my comp and it works fine now.