这不是我正在开发的东西，更像是我正在尝试调试的东西。出于某种原因，我的HTC Desire HD一直与汽车的蓝牙断开连接。它在手机的原始ROM上运行良好，然后我升级到Gingerbread（HTC rom）并开始断开连接。我不确定接下来发生了什么（可能是我安装了什么？mb汽车的电脑被重置了，因为我有服务吗？）但它实际上在几个月后开始工作，一切都很好，直到我再次升级到2.3。 5（HTC官方升级）。手机连接到我的车没有任何问题，然后在一分钟内失去连接，并且在手机或汽车重新启动之前不会重新连接。这里有一些我能够收集的日志数据，以防有人可能熟悉蓝牙如何在android上运行：
I//system/bin/btld(23506): ##### USERIAL_Ioctl: BT_Sleep, USERIAL_IO_BT_WAKE_DEASSERT ####
W/ (23507): bta_dm_pm_timer_cback 0x255fa4
W/ (23507): dm_pm_timer expires 0
W/ (23507): proc dm_pm_timer expires
I//system/bin/btld(23506): ##### USERIAL_Ioctl: BT_Wake, USERIAL_IO_BT_WAKE_ASSERT ####
I/PTIM (23507): Call GKI_add_to_timer_list in ptim_start_timer
W/ (23507): start dm_pm_timer:0, 5000
D/dalvikvm(23586): GC_CONCURRENT freed 381K, 48% free 3295K/6279K, external 0K/0K, paused 2ms+3ms
I/keystore( 1264): uid: 1000 action: e -> 7 state: 1 -> 1 retry: 4
I/BtAtPhonebook( 1631): Refreshed phonebook ME with 255 results
I/keystore( 1264): uid: 1000 action: e -> 7 state: 1 -> 1 retry: 4
I/BtAtPhonebook( 1631): Refreshed phonebook ME with 255 results
D/dalvikvm(15887): GC_EXPLICIT freed 124K, 44% free 4129K/7303K, external 0K/512K, paused 79ms
I//system/bin/btld(23506): ##### USERIAL_Ioctl: BT_Sleep, USERIAL_IO_BT_WAKE_DEASSERT ####
W/ (23507): stop dm_pm_timer:0
W/HeadsetBase.cpp( 1631): RFCOMM poll() returned success (1), but with an unexpected revents bitmask: 0x11
I/HeadsetBase( 1631): headset read error 5
I//system/bin/btld(23506): send_ctrl_msg: [BTL_IFS CTRL] send BTLIF_DISCONNECT_IND (AG) 8 pbytes (hdl 18)
I//system/bin/btld(23506): BTL_IF_DisconnectDatapath: Disconnect datapath on handle 21
I//system/bin/btld(23506): wrp_setup_rxflow: wrp_setup_rxflow : 0 (fd 21)
I//system/bin/btld(23506): wsactive_del: delete wsock 21 from active list [212ef8]
I//system/bin/btld(23506): wrp_close_data: wrp_close 21 [brcm.bt.btlif]
I//system/bin/btld(23506): wsactive_del: delete wsock 21 from active list [212ef8]
I/BTL_IFC ( 1631): btl_ifc_ctrl_rx: [BTL_IFC CTRL] recv BTLIF_DISCONNECT_IND (AG) 10 pbytes (hdl 92)
D/BLZ_WRAPPER( 1631): blz_ctrl_msg: [blz ctrl] received message [BTLIF_DISCONNECT_IND]
D/BLZ_WRAPPER( 1631): blz_ctrl_msg: Channel disconnected remotely, rf_ch 65535
I/BTL_IFC_WRP( 1631): wrp_find_wsock_by_rfhdl: wrp_find_wsock_by_rfhdl : no entry found, lst 0, rfchan 65535
I/BLZ_WRAPPER( 1631): btl_if_close: btl_if_close (105)
D/BLZ_WRAPPER( 1631): btl_if_close: [btl_if_close] : (105:100), disc_pending 0, asnc 0, selct 0, flags 2
I/BTL_IFC ( 1631): send_ctrl_msg: [BTL_IFC CTRL] send BTLIF_DISCONNECT_REQ (AG) 8 pbytes (hdl 92)
W/ (23507): Could not find conn_info for chdl=0x3
D/BluetoothHeadsetService( 1631): Device: 00:13:A9:A1:19:1E Headset state 2 -> 0, result = 0
W/ (23507): BTA_DM_LINK_DOWN_EVT::bdaddr 00:13:a9:a1:19:1e reason x15
D/DTUN_HCID4(23540): dtun_dm_sig_link_down()
I/DTUN_HCID4(23540): dtun_dm_sig_link_down device = 0xf750 handle = 256 reason = 0x15
I//system/bin/btld(23506): send_ctrl_msg: [BTL_IFS CTRL] send BTLIF_DTUN_SIGNAL_EVT (CTRL) 11 pbytes (hdl 17)
D/BTL_IFC_WRP( 1631): wrp_close_s_only: wrp_close_s_only [105] (105:100) [brcm.bt.btlif]
D/BTL_IFC_WRP( 1631): wrp_close_s_only: data socket closed
D/BTL_IFC_WRP( 1631): wsactive_del: delete wsock 105 from active list [ad3ca3c0]
I/DTUN_HCID4(23540): [embedded]LINK_DOWN name = UHP, address = 00:13:A9:A1:19:1E, reason = 0x15
D/BluetoothService( 1379): Device property changed:00:13:A9:A1:19:1E property:Connected
I/BluetoothHeadsetService( 1631): [embedded] HSP/HFP state : address: 00:13:A9:A1:19:1E name: UHP State:2->0
I/BTL_IFC ( 1631): send_ctrl_msg: [BTL_IFC CTRL] send BTLIF_DISCONNECT_REQ (SCO) 0 pbytes (hdl 102)
W/ (23507): Could not find conn_info with active SCO
I/BluetoothA2dpService( 1379): BluetoothHeadset disconnected, remove AV CONNECT_TO msg
I/StatusBarPolicy( 1577): updateBluetooth bt icon:true,HS:0,A2DP:false
D/AudioPolicyManagerBase( 1260): setDeviceConnectionState() device: 40, state 0, address 00:13:A9:A1:19:1E
I/AudioPolicyManagerBase( 1260): setOutputDevice() output 4 device 0 delayMs 0
I/AudioPolicyManagerBase( 1260): setOutputDevice() setting same device 0 or null device for output 4
I/BluetoothDeviceProfileState( 1379): Entering IncomingHandsfree state with: 6
I/BluetoothDeviceProfileState( 1379): Processing command:6
I/BluetoothDeviceProfileState( 1379): Entering ACL Connected state with: 102
I/NaviReceiver(23556): Got BluetoothHeadset.ACTION_STATE_CHANGED
I/NaviReceiver(23556): conn state = 0