android-sdks\samples\android-18\legacy\BluetoothLeGattにある Android Sample を参照・模倣してアプリを開発しています。
デバイスをスキャンできます。しかし、Bluetooth デバイスを接続しようとすると、アプリがクラッシュします。
これは、Bluetooth デバイスを接続しようとしたときにアプリがクラッシュしたログです。
D/BtGatt.btif( 2443): btif_gattc_scan
D/BtGatt.btif( 2443): btgattc_handle_event: Event 1003
D/BtGatt.GattService( 2443): unregisterClient() - clientIf=4
D/BtGatt.btif( 2443): btif_gattc_unregister_app
D/BtGatt.btif( 2443): btgattc_handle_event: Event 1001
D/BtGatt.btif( 2443): btif_gattc_upstreams_evt: Event 1
I/ActivityManager( 1766): START u0 {cmp=com.example.prevent_the_lost/.DeviceControl (has extras)} from pid 5526
W/WindowManager( 1766): Screenshot failure taking screenshot for (166x125) to layer 21015
I/bt-hci ( 2443): BLE HCI(id=62) event = 0x02)
I/bt-hci ( 2443): btu_ble_process_adv_pkt
D/BluetoothAdapter( 5526): stopLeScan()
I/bt-hci ( 2443): BLE HCI(id=62) event = 0x02)
I/bt-hci ( 2443): btu_ble_process_adv_pkt
D/dalvikvm( 5526): GC_CONCURRENT freed 165K, 5% free 4427K/4624K, paused 1ms+1ms, total 5ms
W/ActivityManager( 1766): Unable to start service Intent { cmp=com.example.prevent_the_lost/.BluetoothLeService } U=0: not found
I/ActivityManager( 1766): Displayed com.example.prevent_the_lost/.DeviceControl: +29ms
D/AndroidRuntime( 5526): Shutting down VM
W/dalvikvm( 5526): threadid=1: thread exiting with uncaught exception (group=0x94ee8648)
E/AndroidRuntime( 5526): FATAL EXCEPTION: main
E/AndroidRuntime( 5526): java.lang.NullPointerException
E/AndroidRuntime( 5526): at com.example.prevent_the_lost.DeviceControl.onOptionsItemSelected(DeviceControl.java:140)
E/AndroidRuntime( 5526): at android.app.Activity.onMenuItemSelected(Activity.java:2566)
E/AndroidRuntime( 5526): at com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:986)
E/AndroidRuntime( 5526): at com.android.internal.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:735)
E/AndroidRuntime( 5526): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:152)
E/AndroidRuntime( 5526): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:874)
E/AndroidRuntime( 5526): at com.android.internal.view.menu.ActionMenuView.invokeItem(ActionMenuView.java:547)
E/AndroidRuntime( 5526): at com.android.internal.view.menu.ActionMenuItemView.onClick(ActionMenuItemView.java:115)
E/AndroidRuntime( 5526): at android.view.View.performClick(View.java:4240)
E/AndroidRuntime( 5526): at android.view.View$PerformClick.run(View.java:17721)
E/AndroidRuntime( 5526): at android.os.Handler.handleCallback(Handler.java:730)
E/AndroidRuntime( 5526): at android.os.Handler.dispatchMessage(Handler.java:92)
E/AndroidRuntime( 5526): at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime( 5526): at android.app.ActivityThread.main(ActivityThread.java:5103)
E/AndroidRuntime( 5526): at java.lang.reflect.Method.invokeNative(NativeMethod)
E/AndroidRuntime( 5526): at java.lang.reflect.Method.invoke(Method.java:525)
E/AndroidRuntime( 5526): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
E/AndroidRuntime( 5526): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
E/AndroidRuntime( 5526): at dalvik.system.NativeStart.main(Native Method)
W/ActivityManager( 1766): Force finishing activity com.example.prevent_the_lost/.DeviceControl
W/WindowManager( 1766): Screenshot failure taking screenshot for (166x125) to layer 21020
W/ActivityManager( 1766): Activity pause timeout for ActivityRecord{4aad960c u0com.example.prevent_the_lost/.DeviceControl}
I/Process ( 5526): Sending signal. PID: 5526 SIG: 9
W/InputDispatcher( 1766): channel '4aaa49ec com.example.prevent_the_lost/com.example.prevent_the_lost.Device_List (server)' ~ Consumer closed input channel or an error occurred. events=0x9
E/InputDispatcher( 1766): channel '4aaa49ec com.example.prevent_the_lost/com.example.prevent_the_lost.Device_List (server)' ~ Channel is unrecoverably broken and will be disposed!
W/InputDispatcher( 1766): channel '4aa9c3e4 com.example.prevent_the_lost/com.example.prevent_the_lost.DeviceControl (server)' ~ Consumer closed input channel or an error occurred. events=0xd
E/InputDispatcher( 1766): channel '4aa9c3e4 com.example.prevent_the_lost/com.example.prevent_the_lost.DeviceControl (server)' ~ Channel is unrecoverably brokenand will be disposed!
W/InputDispatcher( 1766): Attempted to unregister already unregistered input channel '4aaa49ec com.example.prevent_the_lost/com.example.prevent_the_lost.Device_List (server)'
W/InputDispatcher( 1766): Attempted to unregister already unregistered input channel '4aa9c3e4 com.example.prevent_the_lost/com.example.prevent_the_lost.DeviceControl (server)'
I/ActivityManager( 1766): Process com.example.prevent_the_lost (pid 5526) has died.
I/WindowState( 1766): WIN DEATH: Window{4aaa49ec u0 com.example.prevent_the_lost/com.example.prevent_the_lost.Device_List}
I/WindowState( 1766): WIN DEATH: Window{4aa9c3e4 u0 com.example.prevent_the_lost/com.example.prevent_the_lost.DeviceControl}
I/ActivityManager( 1766): Start proc com.example.prevent_the_lost for activity com.example.prevent_the_lost/.Device_List: pid=5545 uid=10043 gids={50043, 3001,3002, 1028}
I/ActivityThread( 5545): Switching default density from 160 to 130
D/BluetoothManagerService( 1766): Message: 20
D/BluetoothManagerService( 1766): Added callback: android.bluetooth.IBluetoothManagerCallback$Stub$Proxy@4ab1fee8:true
W/InputMethodManagerService( 1766): Got RemoteException sending setActive(false) notification to pid 5526 uid 10043
I/ActivityManager( 1766): Displayed com.example.prevent_the_lost/.Device_List: +171ms
D/dalvikvm( 1766): GC_CONCURRENT freed 455K, 19% free 7301K/8980K, paused 1ms+1ms, total 12ms
このログのエラーがわかりません??
誰かがエラーとその解決方法を教えてくれませんか???
どうもありがとう！！！