Is there a way to workaround bluetooth unstability for Sony Xperia Device?
Device : Sony Xperia - different models Android Version: lollipop
Background:
- Bluetooth connection is stable for the other devices tested Android 6, 7
- The Application recovers the connection successfully afterwards
- Is there anyway to stabilise this connection
Best Regards,
Test:
-
Connect to the device, services are discovered successfully, the application works 30 seconds and then:
-
disconnects(bluetooth adapter disabled automatically)
-
reconnects
-
repeats
Logs:
10-12 20:43:52.920 15382-15428/? W/bt-btif: bta_gattc_conn_cback() - cif=3 connected=0 conn_id=3 reason=0x0008
10-12 20:43:52.920 15382-15428/? W/bt-btif: bta_gattc_conn_cback() - cif=4 connected=0 conn_id=4 reason=0x0008
10-12 20:43:52.920 15382-15428/? W/bt-btif: bta_gattc_conn_cback() - cif=5 connected=0 conn_id=5 reason=0x0008
10-12 20:43:52.921 15382-15428/? E/bt-btm: btm_sec_disconnected - Clearing Pending flag
10-12 20:43:52.921 15382-15428/? W/bt-btif: btapp_gattc_req_data :Src read.p_value ptr is NULL for event 0x3
10-12 20:43:52.921 15382-15428/? W/bt-l2cap: L2CA_SetDesireRole() new:x0, disallow_switch:0
10-12 20:43:52.923 15382-15404/? D/BtGatt.GattService: onDisconnected() - clientIf=5, connId=5, address=FD:78:33:E3:D9:9F
10-12 20:43:52.926 9826-9843/ch I/APILOG - Info :: BleManagerGattCallback.BluetoothGattCallback.onCharacteristicRead - called
10-12 20:43:52.927 9826-9843/ch I/APILOG - Info :: BleManagerGattCallback.BluetoothGattCallback.onCharacteristicRead - GATT NOT SUCCESS
10-12 20:43:52.927 9826-9843/ch D/BluetoothGatt: onClientConnectionState() - status=8 clientIf=5 device=FD:78:33:E3:D9:9F
10-12 20:43:52.928 9826-9843/ch D/APILOG - Debug :: BleManagerGattCallback.BluetoothGattCallback.onConnectionStateChange - status: 8, state: 0
10-12 20:43:52.928 9826-9843/ch D/APILOG - Debug :: BleManagerGattCallback.BluetoothGattCallback.onConnectionStateChange - DISCONNECTED
10-12 20:43:52.928 9826-9843/ch D/APILOG - Debug :: BaseConnectionManager.setState() - connection state: disconnected
10-12 20:43:52.928 9826-9843/ch I/APILOG - Info :: Device.onDisconnected - called
10-12 20:43:52.929 9826-9843/ch D/APILOG - Debug :: Device.disconnect - called
10-12 20:43:52.929 9826-9843/ch D/APILOG - Debug :: .killConnection - called
10-12 20:43:52.929 9826-9843/ch D/APILOG - Debug :: .disableNotifications - disableNotificationsCharacteristics Size: 2
10-12 20:43:52.929 9826-9843/ch D/BluetoothGatt: setCharacteristicNotification() - uuid: 3ab10101-f831-4395-b29d-570977d5bf94 enable: false
10-12 20:43:52.960 15382-15382/? D/BluetoothMapService: onReceive
10-12 20:43:52.961 15382-15382/? D/BluetoothMapService: onReceive, action android.bluetooth.device.action.ACL_DISCONNECTED
10-12 20:43:52.984 15382-15400/? D/BtGatt.GattService: registerForNotification() - address=FD:78:33:E3:D9:9F enable: false
10-12 20:43:52.984 15382-15400/? E/BtGatt.GattService: registerForNotification() - No connection for FD:78:33:E3:D9:9F...
10-12 20:43:52.985 9826-9843/ch D/APILOG - Debug :: .disableNotifications - characteristic: 3ab10101-f831-4395-b29d-570977d5bf94Disabled: true
10-12 20:43:53.045 8975-8975/? I/BTConnectionReceiver: onReceive(context, Intent { act=android.bluetooth.device.action.ACL_DISCONNECTED flg=0x4000010 cmp=com.google.android.googlequicksearchbox/com.google.android.search.core.service.BluetoothConnectionReceiver (has extras) }, [BluetoothDevice: address=FD:78:33:E3:D9:9F, alias=null, name=devicename 72913173, majorDeviceClass=7936, deviceClass=7936]
10-12 20:43:53.046 8975-8975/? I/BluetoothClassifier: Bluetooth Device Name: devicename 72913173
10-12 20:43:53.185 9826-9843/ch D/BluetoothGatt: setCharacteristicNotification() - uuid: 3ab10102-f831-4395-b29d-570977d5bf94 enable: false
10-12 20:43:53.186 15382-15400/? D/BtGatt.GattService: registerForNotification() - address=FD:78:33:E3:D9:9F enable: false
10-12 20:43:53.186 15382-15400/? E/BtGatt.GattService: registerForNotification() - No connection for FD:78:33:E3:D9:9F...
