昨天我们在妻子的HTC Droid上收到了OTA Android 2.1 - HOORAY !!!我终于可以在她的手机上加载我的计算机应用程序了。
我们加载了它，但它不起作用。具体来说，它连接但没有看到I / O！
我每次遇到同样的问题时，我配对，重新配对并重新配对：connect（）表示我们连接成功，但任何发送或接收数据的尝试似乎都有效，但输入中没有任何数据到达缓冲。
我正在连接的设备使用AT命令。 ATI应使用设备ID进行回复。当我在我的Moto Droid上运行应用程序时工作正常，但在HTC机器人上，输入流/缓冲区中不存在任何数据。
就我个人而言，我非常确定HTC的这个版本中存在错误或限制（因为该应用程序在我的Moto A855 Droid上运行良好）。
有人可以评论这个问题吗？
强制性代码片段：
定义我的RFCOMM UUID的成员变量
static final UUID UUID_RFCOMM_GENERIC = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
我的连接部分（）
// make sure peer is defined as a valid device based on their MAC. If not then do it.
if (mBTDevice == null)
mBTDevice = mBTAdapter.getRemoteDevice(mPeerMAC);
// Make an RFCOMM binding.
try {mBTSocket = mBTDevice.createRfcommSocketToServiceRecord(UUID_RFCOMM_GENERIC);
} catch (Exception e1) {
msg ("connect(): Failed to bind to RFCOMM by UUID. msg=" + e1.getMessage());
return false;
}
msg ("connect(): Try to connect.");
try {
mBTSocket.connect();
} catch (Exception e) {
msg ("connect(): Exception thrown during connect: " + e.getMessage());
return false;
// there was a problem connecting... make a note of the particulars and move on.
}
msg ("connect(): CONNECTED!");
try {
mBTOutputStream = mBTSocket.getOutputStream();
mBTInputStream = new BufferedInputStream (mBTSocket.getInputStream(),INPUT_BUFFER_SIZE);
//msg ("Connecting non-buffered input stream...");
//mBTInputStream = mBTSocket.getInputStream();
} catch (Exception e) {
msg ("connect(): Error attaching i/o streams to socket. msg=" + e.getMessage());
return false;
}
resetErrorCounters();
setConnected(true);
return true;
}
然后我发送"ATI\r"
并期待像"CAN OBD II"这样的东西，但我一无所获。
mBTInputStream.available()总是为零，即使数据应该在输入缓冲区中。
使用adb logcat -v time
一些更有趣的：
05-17 19:44:21.447 D/BluetoothSppPort( 5809): connected to device service!
05-17 19:44:21.447 D/BluetoothSppPort( 5809): Creating a BluetoothSpp proxy object
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort called!
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort checking uuid
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort UUID=00001101-0000-1000-8000-00805f9b34fb auth=true encrypt=true
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort enforcing bluetooth perm
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort creating a jbtlspp object
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort checking if the btl spp object is valid
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort try to create an spp container
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort try to create security params
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort Set Security L2
05-17 19:44:21.467 D/BluetoothSppService( 74): createPort spp port create
05-17 19:44:21.467 D/JBtlSpp ( 74): create: Entered
05-17 19:44:21.467 D/JBtlSpp ( 74): Calling NativeJBtlSpp_Create
05-17 19:44:21.467 D/JBtlSppNative( 74): NativeJBtlSpp_Create: Entered
05-17 19:44:21.467 D/JBtlSppNative( 74): NativeJBtlSpp_Create: Calling BTL_SPP_Remote_Create
05-17 19:44:21.477 D/JBtlSppNative( 74): NativeJBtlSpp_Create: BTL_SPP_Remote_Create returned 0, context:18
05-17 19:44:21.477 D/JBtlSppNative( 74): NativeJBtlSpp_Create: Setting context value in jContext out parm
05-17 19:44:21.477 D/JBtlSppNative( 74): NativeJBtlSpp_Create: Calling Java setValue(0x18) in context's class
05-17 19:44:21.477 D/JBtlProfileContext( 74): setValue: setValue called, value:24
05-17 19:44:21.477 D/JBtlSppNative( 74): create_spp_port_data: will use context struct 0 for the port 24
05-17 19:44:21.477 D/JBtlSppNative( 74): create_spp_port_data: spp port context 0 added
05-17 19:44:21.477 D/JBtlSppNative( 74): NativeJBtlSpp_Create:Exiting Successfully
05-17 19:44:21.477 D/JBtlSpp ( 74): After NativeJBtlSpp_Create, status=SUCCESS, Context = 24
05-17 19:44:21.477 D/JBtlRbtlServices( 74): addUser: Entered, userRefCount = 1
05-17 19:44:21.477 D/BluetoothSppService( 74): port create returned status SUCCESS
05-17 19:44:21.477 D/JBtlSpp ( 74): enable: Entered
05-17 19:44:21.477 D/JBtlSpp ( 74): enable: UUID=00001101-0000-1000-8000-00805f9b34fb
05-17 19:44:21.477 D/JBtlSppNative( 74): NativeJBtlSpp_Enable: Entered
05-17 19:44:21.487 D/JBtlSppNative( 74): NativeJBtlSpp_Enable: BTL_SPP_Enable returned 0
05-17 19:44:21.487 D/JBtlSppNative( 74): NativeJBtlSpp_Enable:Exiting
05-17 19:44:21.487 D/JBtlSpp ( 74): After NativeJBtlSpp_Enable, status=SUCCESS
05-17 19:44:21.487 D/JBtlSpp ( 74): enable: Exiting
05-17 19:44:21.487 D/BluetoothSppService( 74): port enable returned status SUCCESS
05-17 19:44:21.487 D/BluetoothSppService( 74): connectPort called!
05-17 19:44:21.497 D/BluetoothSppService( 74): connectPort received bdaddress:00:18:E4:1D:23:9B
05-17 19:44:21.527 D/BluetoothSppService( 74): Trying to connect to 00:18:E4:1D:23:9B
05-17 19:44:21.527 D/JBtlSpp ( 74): setServiceName: Entered
05-17 19:44:21.527 D/JBtlSppNative( 74): NativeJBtlSpp_SetServiceName: Entered
05-17 19:44:21.547 D/JBtlSppNative( 74): NativeJBtlSpp_SetServiceName: native func returned 0
05-17 19:44:21.547 D/JBtlSppNative( 74): NativeJBtlSpp_SetServiceName:Exiting
05-17 19:44:21.547 D/JBtlSpp ( 74): After setServiceName, status=SUCCESS
05-17 19:44:21.547 D/JBtlSpp ( 74): setServiceName: Exiting
05-17 19:44:21.557 D/BluetoothSppService( 74): port setServiceName returned status SUCCESS
05-17 19:44:21.587 D/JBtlSpp ( 74): connect: Entered connecting to 00:18:E4:1D:23:9B
05-17 19:44:21.587 D/JBtlSppNative( 74): NativeJBtlSpp_Connect: Entered
05-17 19:44:21.597 D/JBtlSppNative( 74): NativeJBtlSpp_Connect: BTL_SPP_Connect returned 2
05-17 19:44:21.597 D/JBtlSppNative( 74): NativeJBtlSpp_Connect:Exiting
05-17 19:44:21.597 D/JBtlSpp ( 74): After NativeJBtlSpp_Connect, status=PENDING
05-17 19:44:21.747 D/AK8973 ( 61): Compass CLOSE
05-17 19:44:21.887 W/Process ( 74): Unable to open /proc/5749/status
05-17 19:44:21.917 I/ActivityManager( 74): Displayed activity com.gtosoft.dash/.Dash: 1279 ms (total 1279 ms)
05-17 19:44:24.047 D/ ( 74): signal_BTEVENT_ACCESSIBLE_CHANGE: Entered
05-17 19:44:24.047 D/ ( 74): signal_BTEVENT_ACCESSIBLE_CHANGE: Calling Java Accessible Change callback
05-17 19:44:24.047 D/JBtlBmg ( 74): nativeAccessibleChange
05-17 19:44:24.087 D/BluetoothService( 74): Callback - accessbileChange, btErrCode = NO_ERROR, mode = CONNECTABLE_ONLY
05-17 19:44:24.087 D/BluetoothService( 74): Sending ACTION_SCAN_MODE_CHANGED intent, mode = 21
05-17 19:44:24.087 D/ ( 74): signal_BTEVENT_ACCESSIBLE_CHANGE: Exiting
05-17 19:44:24.097 D/ ( 74): signal_BTEVENT_LINK_CONNECT_CNF: Entered
05-17 19:44:24.097 D/ ( 74): signal_BTEVENT_LINK_CONNECT_CNF: context: 1, errCode: 0
05-17 19:44:24.097 D/ ( 74): signal_BTEVENT_LINK_CONNECT_CNF: Calling Java Link Connect Confirmation callback
05-17 19:44:24.097 D/JBtlBmg ( 74): nativeLinkConnectCnf
05-17 19:44:24.107 D/BluetoothService( 74): Callback - linkConnectCnf, btErrCode = NO_ERROR, bdAddr = 00:18:E4:1D:23:9B
05-17 19:44:24.117 D/JBtlBmg ( 74): getKnownDeviceInfo: Entered
05-17 19:44:24.117 D/JBtlBmg ( 74): getKnownDeviceInfo: Calling NativeJBtlBmg_GetKnownDeviceInfo
05-17 19:44:24.137 D/ ( 74): NativeJBtlBmg_GetKnownDeviceInfo: Entered
05-17 19:44:24.137 D/ ( 74): NativeJBtlBmg_GetKnownDeviceInfo: Calling BTL_BMG_GetKnownDeviceInfo
05-17 19:44:24.227 D/JBtlBmgJniKnownDeviceInfo( 74): setValues: Entered
05-17 19:44:24.227 D/ ( 74): NativeJBtlBmg_GetKnownDeviceInfo:Exiting
05-17 19:44:24.227 D/JBtlBmg ( 74): getKnownDeviceInfo: After NativeJBtlBmg_GetKnownDeviceInfo, status=SUCCESS
05-17 19:44:24.227 D/JBtlBmg ( 74): getKnownDeviceInfo: Exiting
05-17 19:44:24.227 D/BluetoothService( 74): onRemoteDeviceConnected, device 00:18:E4:1D:23:9B is Paired
05-17 19:44:24.227 D/BluetoothService( 74): Sending ACTION_ACL_CONNECTED intent, address = 00:18:E4:1D:23:9B
05-17 19:44:24.227 D/BluetoothA2dpService( 74): Received intent with action: android.bluetooth.device.action.ACL_CONNECTED
05-17 19:44:24.227 D/ ( 74): signal_BTEVENT_LINK_CONNECT_CNF: Exiting
05-17 19:44:24.757 D/JBtlAg ( 163): setIndicatorValue: entered
05-17 19:44:24.767 I/JBtlAg ( 163): After NativeJBtlAg_SetIndicatorValue, status = SUCCESS
05-17 19:44:24.767 D/JBtlAg ( 163): setIndicatorValue: exiting
05-17 19:44:24.807 D/JBtlSppNative( 74): signal_SPP_EVENT_OPEN: Entered
05-17 19:44:24.807 D/JBtlSppNative( 74): signal_SPP_EVENT_OPEN: status: 0 context:24
05-17 19:44:24.827 D/JBtlSpp ( 74): nativeCb_open: Entered from 00:18:E4:1D:23:9B
05-17 19:44:24.827 D/JBtlSpp ( 74): nativeCb_open: Calling callback
05-17 19:44:24.827 D/BluetoothSppService( 74): connected called!
05-17 19:44:24.847 D/JBtlSpp ( 74): connect: Exiting
05-17 19:44:24.847 D/BluetoothSppService( 74): port connect returned status SUCCESS
05-17 19:44:24.847 D/JBtlSppNative( 74): signal_SPP_EVENT_OPEN: Exiting
05-17 19:44:24.847 D/JBtlSppNative( 74): signal_SPP_EVENT_MODEM_STATUS_IND: Entered
05-17 19:44:24.847 D/JBtlSppNative( 74): signal_SPP_EVENT_MODEM_STATUS_IND: Exiting
05-17 19:44:25.424 D/BluetoothSppService( 74): writeSync called!
05-17 19:44:25.424 D/JBtlSpp ( 74): write: Entered
05-17 19:44:25.427 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: Entered
05-17 19:44:25.427 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: BTL_SPP_WriteSync returned 0 written: 6 total: 0/6
05-17 19:44:25.437 D/JBtlSppNative( 74): signal_SPP_EVENT_TX_DATA_COMPLETE: Entered
05-17 19:44:25.437 D/JBtlSppNative( 74): signal_SPP_EVENT_TX_DATA_COMPLETE: status: 0 context:24 txDataLen:6
05-17 19:44:25.437 D/JBtlSppNative( 74): signal_SPP_EVENT_TX_DATA_COMPLETE: Exiting ok
05-17 19:44:25.437 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: written 6
05-17 19:44:25.437 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative:Exiting with 0
05-17 19:44:25.437 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: returning 6 bytes
05-17 19:44:25.437 D/JBtlSpp ( 74): After write, status=SUCCESS
05-17 19:44:25.437 D/JBtlSpp ( 74): write: Exiting
05-17 19:44:25.437 D/BluetoothSppPort( 5809): written 6 bytes
05-17 19:44:25.467 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Entered
05-17 19:44:25.467 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: status: 0 context: 24 rxDataLen: 1
05-17 19:44:25.467 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Exiting
05-17 19:44:25.477 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Entered
05-17 19:44:25.477 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: status: 0 context: 24 rxDataLen: 5
05-17 19:44:25.477 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Exiting
05-17 19:44:25.487 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Entered
05-17 19:44:25.487 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: status: 0 context: 24 rxDataLen: 10
05-17 19:44:25.487 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Exiting
05-17 19:44:25.497 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Entered
05-17 19:44:25.497 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: status: 0 context: 24 rxDataLen: 7
05-17 19:44:25.497 D/JBtlSppNative( 74): signal_SPP_EVENT_RX_DATA_IND: Exiting
05-17 19:44:27.930 W/ActivityManager( 74): Activity destroy timeout for HistoryRecord{447e0d48 com.gtosoft.dash/.Dash}
05-17 19:44:29.907 D/dalvikvm( 448): GC freed 78 objects / 3664 bytes in 153ms
05-17 19:44:29.917 D/BluetoothSppService( 74): writeSync called!
05-17 19:44:29.917 D/JBtlSpp ( 74): write: Entered
05-17 19:44:29.917 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: Entered
05-17 19:44:29.927 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: BTL_SPP_WriteSync returned 0 written: 6 total: 0/6
05-17 19:44:29.937 D/JBtlSppNative( 74): signal_SPP_EVENT_TX_DATA_COMPLETE: Entered
05-17 19:44:29.937 D/JBtlSppNative( 74): signal_SPP_EVENT_TX_DATA_COMPLETE: status: 0 context:24 txDataLen:6
05-17 19:44:29.937 D/JBtlSppNative( 74): signal_SPP_EVENT_TX_DATA_COMPLETE: Exiting ok
05-17 19:44:29.937 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: written 6
05-17 19:44:29.937 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative:Exiting with 0
05-17 19:44:29.937 D/JBtlSppNative( 74): NativeJBtlSpp_WriteNative: returning 6 bytes
05-17 19:44:29.937 D/JBtlSpp ( 74): After write, status=SUCCESS
05-17 19:44:29.937 D/JBtlSpp ( 74): write: Exiting
答案 0 :(得分：1)
这是一场等待游戏。在HTC完成编写驱动程序以支持此设备上的RFCOMM之前，RFComm将无法工作。
答案 1 :(得分：1)
我有一个HTC令人难以置信的Android 2.3.4。我有类似的问题，我已经能够使用反射。
所以不要使用：
mBTSocket = mBTDevice.createRfcommSocketToServiceRecord(UUID_RFCOMM_GENERIC);
尝试使用：
Method m = device.getClass().getMethod("createRfcommSocket", new Class[] {int.class});
mBTSocket = (BluetoothSocket) m.invoke(device, 1);