Examples with BleCannotSetCharacteristicNotificationException com.polidea.rxandroidble2.exceptions.BleCannotSetCharacteristicNotificationException used on opensource projects

Example 6 with BleCannotSetCharacteristicNotificationException

use of com.polidea.rxandroidble2.exceptions.BleCannotSetCharacteristicNotificationException in project xDrip-plus by jamorham.

the class BlueJayService method enableNotifications.

private void enableNotifications() {
    UserError.Log.d(TAG, "enableNotifications called()");
    if (I.isNotificationEnabled) {
        UserError.Log.d(TAG, "Notifications already enabled");
        changeNextState();
        return;
    }
    if (notificationSubscription != null) {
        notificationSubscription.unsubscribe();
    }
    JoH.threadSleep(500);
    UserError.Log.d(TAG, "Requesting to enable notifications");
    if (I.connection == null) {
        UserError.Log.d(TAG, "Connection went away before we could enable notifications");
        return;
    }
    notificationSubscription = new Subscription(I.connection.setupNotification(THINJAM_WRITE).observeOn(// needed?
    Schedulers.newThread()).doOnNext(notificationObservable -> {
        UserError.Log.d(TAG, "Notifications enabled");
        I.connection.writeCharacteristic(THINJAM_BULK, new byte[] { 0x55 });
        // Debug sleep to make sure notifications are actually enabled???
        JoH.threadSleep(500);
        I.isNotificationEnabled = true;
        changeNextState();
    }).flatMap(notificationObservable -> notificationObservable).observeOn(Schedulers.newThread()).subscribe(bytes -> {
        // incoming notifications
        UserError.Log.d(TAG, "Received notification bytes: " + JoH.bytesToHex(bytes));
        val pushRx = PushRx.parse(bytes);
        if (pushRx != null) {
            UserError.Log.d(TAG, "Received PushRX: " + pushRx.toS());
            getInfo().processPushRx(pushRx);
            processPushRxActions(pushRx);
        } else if (bytes[0] == 0x06) {
            // TODO move this to parsed response
            final int replyParam = ((int) bytes[1]) & 0xff;
            if (replyParam == 0) {
                UserError.Log.d(TAG, "Bulk up success reply marker received! - removing queue head item");
                // removes first item from the queue which should be the one we just processed!
                commandQueue.poll();
                UserError.Log.d(TAG, "Scheduling immediate run of queue");
                // remove timeout retry task
                Inevitable.kill("tj-next-queue");
                Inevitable.task("tj-next-queue", 0, this::processQueue);
            } else {
                revisedOffset = replyParam;
                // race condition on display
                UserError.Log.d(TAG, "Bulk up failure at: " + revisedOffset);
            }
        } else if (bytes[0] == (byte) 0xFE) {
            audioStreamCallBack(bytes);
        } else {
            if (ThinJamActivity.isD()) {
                notificationString.append(new String(bytes));
                Inevitable.task("tj update notifi", 250, new Runnable() {

                    @Override
                    public void run() {
                        stringObservableField.set(notificationString.toString());
                    }
                });
            }
        }
    }, throwable -> {
        UserError.Log.d(TAG, "Throwable in Record Notification: " + throwable);
        I.isNotificationEnabled = false;
        if (throwable instanceof BleCharacteristicNotFoundException) {
            // maybe legacy - ignore for now but needs better handling
            UserError.Log.d(TAG, "Characteristic not found for notification");
            debug.processTestSuite("logcharerror");
            tryGattRefresh(getI().connection);
        }
        if (throwable instanceof BleCannotSetCharacteristicNotificationException) {
            UserError.Log.e(TAG, "Problems setting notifications - disconnecting");
            changeState(CLOSE);
        }
        if (throwable instanceof BleDisconnectedException) {
            UserError.Log.d(TAG, "Disconnected while enabling notifications");
            changeState(CLOSE);
        }
    }));
}