SPI をサポートしない konashi に接続して KonashiManager.spiConfig すると NPE が発生する

[kiryuxxu]

こちらのコードを実行したところ発生しました。
https://github.com/YUKAI/KonashiInspectorForAndroid/blob/98296bb7aafe7dac6b1292ac5b3f0e38430290fc/app/src/main/java/com/uxxu/konashi/inspector/android/SpiFragment.java#L184

エラーメッセージ

01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.UUID android.bluetooth.BluetoothGattCharacteristic.getUuid()' on a null object reference
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at info.izumin.android.bletia.action.CharacteristicAction.<init>(CharacteristicAction.java:16)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at info.izumin.android.bletia.action.WriteCharacteristicAction.<init>(WriteCharacteristicAction.java:15)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.uxxu.konashi.lib.action.KonashiWriteCharacteristicAction.<init>(KonashiWriteCharacteristicAction.java:21)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.uxxu.konashi.lib.action.KonashiWriteCharacteristicAction.<init>(KonashiWriteCharacteristicAction.java:25)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.uxxu.konashi.lib.action.SpiConfigAction.<init>(SpiConfigAction.java:29)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.uxxu.konashi.lib.KonashiManager.spiConfig(KonashiManager.java:614)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.uxxu.konashi.inspector.android.SpiFragment.resetSpi(SpiFragment.java:184)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.uxxu.konashi.inspector.android.SpiFragment.access$000(SpiFragment.java:33)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.uxxu.konashi.inspector.android.SpiFragment$1.onItemSelected(SpiFragment.java:81)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.widget.AdapterView.fireOnSelected(AdapterView.java:914)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.widget.AdapterView.dispatchOnItemSelected(AdapterView.java:903)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.widget.AdapterView.access$300(AdapterView.java:48)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.widget.AdapterView$SelectionNotifier.run(AdapterView.java:873)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.os.Handler.handleCallback(Handler.java:739)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.os.Handler.dispatchMessage(Handler.java:95)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.os.Looper.loop(Looper.java:135)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at android.app.ActivityThread.main(ActivityThread.java:5254)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at java.lang.reflect.Method.invoke(Native Method)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at java.lang.reflect.Method.invoke(Method.java:372)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
01-12 19:04:43.305 1490-1490/com.uxxu.konashi.inspector.android E/AndroidRuntime:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)

https://github.com/YUKAI/konashi-android-sdk/blob/master/konashi-android-sdk/src/main/java/com/uxxu/konashi/lib/action/KonashiWriteCharacteristicAction.java#L24-L26

    protected KonashiWriteCharacteristicAction(BluetoothGattService service, UUID uuid) {
        this(service.getCharacteristic(uuid));
    }

で this() に null が渡ってしまっているのが原因のようです。