Android BLE問題：用於後臺連接的不受支持的傳輸

我正在通過BLE與一些BLE設備一起工作：先發現它，然後嘗試連接。然而，我發現了錯誤：Android BLE問題：用於後臺連接的不受支持的傳輸

10-03 17:17:45.641 3854-3930/? E/bt-att﹕ Unsupported transport for background connection 
10-03 17:17:45.641 3854-3930/? E/bt-btif﹕ bta_gattc_init_bk_conn failed

，我無法連接（注意奇怪的狀態133是以前斷開（0））：

10-03 17:17:45.641 17474-18298/com.icrealtime.allie D/BluetoothGatt﹕ onClientConnectionState() - status=133 clientIf=7 device=08:00:00:3F:B5:F1

完整的日誌：

10-03 17:17:45.601 1029-1029/? D/STATUSBAR-WifiQuickSettingButton﹕ onWifiSignalChanged enabled=true enabledDesc:"IC" 
10-03 17:17:45.611 17474-17474/com.icrealtime.allie D/BleRpcConnectionFactory﹕ Device found: name=Allie-RA222222222, mac_address=08:00:00:3F:B5:F1, other=08:00:00:3F:B5:F1 
10-03 17:17:45.621 17474-17474/com.icrealtime.allie D/BleRpcConnectionFactory﹕ Found and accepted BLE device: 08:00:00:3F:B5:F1 
10-03 17:17:45.621 17474-17474/com.icrealtime.allie D/BleRpcConnectionFactory﹕ Stopping discovery 
10-03 17:17:45.621 17474-17474/com.icrealtime.allie D/BluetoothAdapter﹕ stopLeScan() 
10-03 17:17:45.621 3854-4177/? D/BtGatt.GattService﹕ stopScan() - queue size =1 
10-03 17:17:45.621 3854-4052/? D/BtGatt.ScanManager﹕ filter size is 1 
10-03 17:17:45.621 3854-4052/? D/BtGatt.ScanManager﹕ delete FilterIndex - 4 
10-03 17:17:45.621 1029-1029/? D/StatusBar.NetworkController﹕ refreshSignalCluster - setNWBoosterIndicators(false) 
10-03 17:17:45.621 3854-3932/? D/bt_vendor﹕ op for 7 
10-03 17:17:45.621 3854-3932/? D/bt_upio﹕ BT_WAKE is asserted already 
10-03 17:17:45.621 3854-3929/? D/BtGatt.GattService﹕ onScanFilterParamsConfigured() - clientIf=7, status=0, action=1, availableSpace=16 
10-03 17:17:45.621 3854-3929/? D/BtGatt.ScanManager﹕ callback done for clientIf - 7 status - 0 
10-03 17:17:45.621 3854-3862/? D/BtGatt.GattService﹕ unregisterClient() - clientIf=7 
10-03 17:17:45.621 3854-3932/? D/bt_vendor﹕ op for 7 
10-03 17:17:45.621 3854-3932/? D/bt_upio﹕ BT_WAKE is asserted already 
10-03 17:17:45.621 3854-4052/? D/BtGatt.ScanManager﹕ stop scan 
10-03 17:17:45.621 3854-4052/? D/BtGatt.ScanManager﹕ configureRegularScanParams() - queue=0 
10-03 17:17:45.621 3854-3932/? D/bt_vendor﹕ op for 7 
10-03 17:17:45.621 3854-3932/? D/bt_upio﹕ BT_WAKE is asserted already 
10-03 17:17:45.621 3854-4052/? D/BtGatt.ScanManager﹕ configureRegularScanParams() - ScanSetting Scan mode=-2147483648 mLastConfiguredScanSetting=2 
10-03 17:17:45.621 17474-17474/com.icrealtime.allie D/BleRpcConnectionFactory﹕ Connecting to device 
10-03 17:17:45.621 3854-4052/? D/BtGatt.ScanManager﹕ configureRegularScanParams() - queue emtpy, scan stopped 
10-03 17:17:45.621 3854-3932/? D/bt_vendor﹕ op for 7 
10-03 17:17:45.621 3854-3932/? D/bt_upio﹕ BT_WAKE is asserted already 
10-03 17:17:45.631 1029-1029/? D/StatusBar.NetworkController﹕ applyOpen 
10-03 17:17:45.631 17474-17474/com.icrealtime.allie D/BluetoothGatt﹕ connect() - device: 08:00:00:3F:B5:F1, auto: true 
10-03 17:17:45.631 17474-17474/com.icrealtime.allie D/BluetoothGatt﹕ registerApp() 
10-03 17:17:45.631 17474-17474/com.icrealtime.allie D/BluetoothGatt﹕ registerApp() - UUID=0b2a4a78-aaf0-4c95-832a-b94eb4513795 
10-03 17:17:45.631 1029-1029/? D/StatusBar.NetworkController﹕ refreshSignalCluster - setNWBoosterIndicators(false) 
10-03 17:17:45.631 1029-1029/? D/StatusBar.NetworkController﹕ applyOpen 
10-03 17:17:45.631 3854-4178/? D/BtGatt.GattService﹕ registerClient() - UUID=0b2a4a78-aaf0-4c95-832a-b94eb4513795 
10-03 17:17:45.641 3854-3929/? D/BtGatt.GattService﹕ onClientRegistered() - UUID=0b2a4a78-aaf0-4c95-832a-b94eb4513795, clientIf=7 
10-03 17:17:45.641 17474-17488/com.icrealtime.allie D/BluetoothGatt﹕ onClientRegistered() - status=0 clientIf=7 
10-03 17:17:45.641 3854-4177/? D/BtGatt.GattService﹕ clientConnect() - address=08:00:00:3F:B5:F1, isDirect=false set own addr = false own addr type:0 
10-03 17:17:45.641 3854-3866/? D/BtGatt.GattService﹕ clientConnect() - address=08:00:00:3F:B5:F1, isDirect=false set own addr = false own addr type:0 
10-03 17:17:45.641 3854-3929/? D/BtGatt.btif﹕ btif_get_device_type: Device [08:00:00:3f:b5:f1] type 3, addr. type 0 
10-03 17:17:45.641 3854-3930/? E/bt-att﹕ Unsupported transport for background connection 
10-03 17:17:45.641 3854-3930/? E/bt-btif﹕ bta_gattc_init_bk_conn failed 
10-03 17:17:45.641 1029-1029/? D/StatusBar.NetworkController﹕ refreshSignalCluster - setNWBoosterIndicators(false) 
10-03 17:17:45.641 3854-3929/? D/BtGatt.btif﹕ btif_get_device_type: Device [08:00:00:3f:b5:f1] type 3, addr. type 0 
10-03 17:17:45.641 3854-3930/? E/bt-btif﹕ bta_gattc_process_api_open Failed, unknown client_if: 0 
10-03 17:17:45.641 3854-3929/? D/BtGatt.GattService﹕ onConnected() - clientIf=7, connId=65535, address=08:00:00:3F:B5:F1 
10-03 17:17:45.641 1029-1029/? D/StatusBar.NetworkController﹕ applyOpen 
10-03 17:17:45.641 17474-18298/com.icrealtime.allie D/BluetoothGatt﹕ onClientConnectionState() - status=133 clientIf=7 device=08:00:00:3F:B5:F1 
10-03 17:17:45.641 17474-18298/com.icrealtime.allie D/BleRpcConnectionFactory﹕ onConnectionStateChange() 
10-03 17:17:45.641 1029-1029/? D/StatusBar.NetworkController﹕ refreshSignalCluster - setNWBoosterIndicators(false) 
10-03 17:17:45.641 1029-1029/? D/StatusBar.NetworkController﹕ applyOpen 
10-03 17:17:45.651 17474-20038/com.icrealtime.allie D/BleRpcConnectionFactory﹕ Connection state changed from 133 to 0 for 08:00:00:3F:B5:F1 (08:00:00:3F:B5:F1)

有什麼不對？我確定我開始從主線程連接。

來源

2015-10-03 4ntoine

嘿，你是否解決了你的問題：我得到了同樣的錯誤：'bta_gattc_process_api_open失敗，未知的client_if：0' – Christopher

我也得到了同樣的錯誤。如果你提供了你找到的修復程序會很好... –

有人找到了解決方案嗎？ –

這裏有一點經驗，如果BLE中央處於掃描狀態，它可能需要在連接到外圍設備之前停止掃描。我encoutnered 133錯誤太多，https://android.googlesource.com/platform/external/bluetooth/bluedroid/+/android-5.1.1_r13/stack/include/gatt_api.h請簽在這裏，GATT_ERROR

記錄的活動可以幫助調試，

./adb logcat的：S BT-ATT： BT-BTM：* BluetoothLEint：* BtGatt.ContextMap：*

來源

2018-01-10 08:40:05 tkingless

Android BLE問題：用於後臺連接的不受支持的傳輸

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