检测具有已知 ID 的隐藏蓝牙设备
我有目标蓝牙设备 MAC-ID，想查看它是否在范围内。如果我有目标设备的 ID 并且它处于隐藏模式，如何建立与目标设备的连接？
我为此使用bluecove（java）。
I have the target bluetooth device MAC-ID and would like to see if it is in range. How can I establish a connection to the target device, if i have it's ID and it's in hidden mode?
I'm using bluecove (java) for this.
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我不确定你所说的“隐藏模式”是什么意思。您可以连接到不可发现的设备，但无法连接到不可连接的设备。
通常，使用 JSR-82（或 Bluecove，一种 JSR-82 实现），您需要有一个
RemoteDevice对象才能打开连接。获取RemoteDevice的唯一方法是通过设备搜索。您似乎无法在您的情况下进行设备搜索，因为该设备处于“隐藏”状态。在 Bluecove 中，您会注意到
RemoteDevice有一个受保护的构造函数，它接受蓝牙地址字符串。您可以创建 RemoteDevice 的子类，只需将该构造函数公开即可。例如：public class MyRemoteDevice extends javax.Bluetooth.RemoteDevice { public MyRemoteDevice(String addr) { super(addr); } }然后您可以创建
MyRemoteDevice的实例，向其传递已知的 MAC 地址，并使用它打开连接。I'm not sure what you mean by "hidden mode." You can connect to a device that is not discoverable, but you cannot connect to a device that is not connectable.
Generally, using JSR-82 (or Bluecove, a JSR-82 implementation) you need to have a
RemoteDeviceobject in order to open a connection. The only way to get aRemoteDeviceis via device search. It looks like you can't do a device search in your case, as the device is "hidden."In Bluecove, you'll notice that
RemoteDevicehas a protected constructor that takes a Bluetooth address String. You can create a subclass ofRemoteDevicethat simply makes that constructor public. For example:public class MyRemoteDevice extends javax.Bluetooth.RemoteDevice { public MyRemoteDevice(String addr) { super(addr); } }You can then create an instance of
MyRemoteDevice, passing it the known MAC address, and use it to open the connection.