Nexus 4とNexus 5でこの問題が発生しました。Bluetoothが突然オンになります。オフにすることもできますが、1分ほど後に戻ってきます。
ぐるぐる回って、これはアプリの誤動作が原因である可能性がありますが、どのアプリを見つけるための良い解決策はないようです。
Bluetoothを常に再アクティブ化する原因を特定する方法はありますか?
それが役に立ったら、Bluetoothを無効にしてからadb出力の一部をキャプチャしました。
無効にする場合:
D/BluetoothManagerService( 578): disable(): mBluetooth = android.bluetooth.IBluetooth$Stub$Proxy@42d29fa0 mBinding = false
D/BluetoothManagerService( 578): Message: 2
D/BluetoothManagerService( 578): Sending off request.
D/BluetoothAdapterState(23958): CURRENT_STATE=ON, MESSAGE = USER_TURN_OFF
D/BluetoothAdapterProperties(23958): Setting state to 13
I/BluetoothAdapterState(23958): Bluetooth adapter state changed: 12-> 13
D/BluetoothAdapterService(23958): Broadcasting updateAdapterState() to 1 receivers.
D/BluetoothAdapterProperties(23958): onBluetoothDisable()
I/BluetoothAdapterState(23958): Entering PendingCommandState State: isTurningOn()=false, isTurningOff()=true
D/BluetoothManagerService( 578): Message: 60
D/BluetoothManagerService( 578): MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = 12, newState=13
D/BluetoothManagerService( 578): Bluetooth State Change Intent: 12 -> 13
D/BluetoothMapService(23958): onReceive
D/BluetoothMapService(23958): STATE_TURNING_OFF
D/BluetoothMapService(23958): MAP Service closeService in
I/BtOppRfcommListener(23958): stopping Accept Thread
I/CompanionService(13584): bluetoothStateChangeReceiver action = android.bluetooth.adapter.action.STATE_CHANGED
D/CachedBluetoothDevice(14368): Clearing all connection state for dev:Bose SoundLink Wireless Mobile speaker
D/CachedBluetoothDevice(14368): Clearing all connection state for dev:ANDY
D/CachedBluetoothDevice(14368): Clearing all connection state for dev:obd2ecu
D/CachedBluetoothDevice(14368): Clearing all connection state for dev:Glass 6014
D/CachedBluetoothDevice(14368): Clearing all connection state for dev:P311
D/CachedBluetoothDevice(14368): Clearing all connection state for dev:Logitech MX5000 Keyboard
W/ContextImpl(14368): Calling a method in the system process without a qualified user: android.app.ContextImpl.startService:1487 android.content.ContextWrapper.startService:494 android.content.ContextWrapper.startService:494 com.android.set
tings.bluetooth.DockEventReceiver.beginStartingService:134 com.android.settings.bluetooth.DockEventReceiver.onReceive:115
D/DockEventReceiver(14368): finishStartingService: stopping service
D/BluetoothPbap(14368): Proxy object disconnected
D/PbapServerProfile(14368): Bluetooth service disconnected
W/BluetoothAdapterState(23958): Timeout will setting scan mode..Continuing with disable...
D/BluetoothAdapterState(23958): CURRENT_STATE=PENDING, MESSAGE = BEGIN_DISABLE, isTurningOn=false, isTurningOff=true
E/bt-btif (23958): btif_disable_bluetooth : not yet enabled
その後、少し後:
D/BluetoothAdapterState(23958): CURRENT_STATE=PENDING, MESSAGE = DISABLE_TIMEOUT, isTurningOn=false, isTurningOff=true
E/BluetoothAdapterState(23958): Error disabling Bluetooth
D/BluetoothAdapterProperties(23958): Setting state to 12
I/BluetoothAdapterState(23958): Bluetooth adapter state changed: 13-> 12
D/BluetoothAdapterService(23958): Broadcasting updateAdapterState() to 1 receivers.
D/BluetoothManagerService( 578): Message: 60
D/BluetoothManagerService( 578): MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = 13, newState=12
D/BluetoothManagerService( 578): Broadcasting onBluetoothStateChange(true) to 13 receivers.
D/BluetoothPan( 578): onBluetoothStateChange(on) call bindService
I/BluetoothAdapterState(23958): Entering On State
adb shell dumpsys meminfo
.. を実行できますか?それは犯人かもしれないあなたの電話にインストールしたパッケージかもしれません。参考までに、Nexus 5で同じテストを実行しました。そして、すべてが私のために働いています。しかし、このログ行は、Bluetoothサービスを停止したときに状態が13から10に変わった場合にD/BluetoothManagerService( 1683): Bluetooth State Change Intent: 13 -> 10