dotintent · aliberski · Jan 24, 2025 · Jan 23, 2025
diff --git a/android/src/main/java/com/bleplx/BlePlxModule.java b/android/src/main/java/com/bleplx/BlePlxModule.java
@@ -768,13 +768,14 @@ public void monitorCharacteristicForDevice(final String deviceId,
                                              final String serviceUUID,
                                              final String characteristicUUID,
                                              final String transactionId,
+                                             final String subscriptionType,
                                              final Promise promise) {
     if (!this.isRequestPossibleHandler("monitorCharacteristicForDevice", promise)) {
       return;
     }
     final SafePromise safePromise = new SafePromise(promise);
     bleAdapter.monitorCharacteristicForDevice(
-      deviceId, serviceUUID, characteristicUUID, transactionId,
+      deviceId, serviceUUID, characteristicUUID, transactionId, subscriptionType,
       new OnEventCallback<Characteristic>() {
         @Override
         public void onEvent(Characteristic data) {
@@ -797,13 +798,14 @@ public void onError(BleError error) {
   public void monitorCharacteristicForService(final int serviceIdentifier,
                                               final String characteristicUUID,
                                               final String transactionId,
+                                              final String subscriptionType,
                                               final Promise promise) {
     if (!this.isRequestPossibleHandler("monitorCharacteristicForService", promise)) {
       return;
     }
     final SafePromise safePromise = new SafePromise(promise);
     bleAdapter.monitorCharacteristicForService(
-      serviceIdentifier, characteristicUUID, transactionId,
+      serviceIdentifier, characteristicUUID, transactionId, subscriptionType,
       new OnEventCallback<Characteristic>() {
         @Override
         public void onEvent(Characteristic data) {
@@ -825,14 +827,15 @@ public void onError(BleError error) {
   @ReactMethod
   public void monitorCharacteristic(final int characteristicIdentifier,
                                     final String transactionId,
+                                    final String subscriptionType,
                                     final Promise promise) {
     if (!this.isRequestPossibleHandler("monitorCharacteristic", promise)) {
       return;
     }
     final SafePromise safePromise = new SafePromise(promise);
     //TODO resolve safePromise with null when monitoring has been completed
     bleAdapter.monitorCharacteristic(
-      characteristicIdentifier, transactionId,
+      characteristicIdentifier, transactionId, subscriptionType,
       new OnEventCallback<Characteristic>() {
         @Override
         public void onEvent(Characteristic data) {

diff --git a/android/src/main/java/com/bleplx/adapter/BleAdapter.java b/android/src/main/java/com/bleplx/adapter/BleAdapter.java
@@ -163,19 +163,22 @@ void monitorCharacteristicForDevice(
     String serviceUUID,
     String characteristicUUID,
     String transactionId,
+    String subscriptionType,
     OnEventCallback<Characteristic> onEventCallback,
     OnErrorCallback onErrorCallback);
 
   void monitorCharacteristicForService(
     int serviceIdentifier,
     String characteristicUUID,
     String transactionId,
+    String subscriptionType,
     OnEventCallback<Characteristic> onEventCallback,
     OnErrorCallback onErrorCallback);
 
   void monitorCharacteristic(
     int characteristicIdentifier,
     String transactionId,
+    String subscriptionType,
     OnEventCallback<Characteristic> onEventCallback,
     OnErrorCallback onErrorCallback);
 

diff --git a/android/src/main/java/com/bleplx/adapter/BleModule.java b/android/src/main/java/com/bleplx/adapter/BleModule.java
@@ -689,6 +689,7 @@ public void monitorCharacteristicForDevice(String deviceIdentifier,
                                              String serviceUUID,
                                              String characteristicUUID,
                                              String transactionId,
+                                             String subscriptionType,
                                              OnEventCallback<Characteristic> onEventCallback,
                                              OnErrorCallback onErrorCallback) {
     final Characteristic characteristic = getCharacteristicOrEmitError(
@@ -697,13 +698,14 @@ public void monitorCharacteristicForDevice(String deviceIdentifier,
       return;
     }
 
-    safeMonitorCharacteristicForDevice(characteristic, transactionId, onEventCallback, onErrorCallback);
+    safeMonitorCharacteristicForDevice(characteristic, transactionId, subscriptionType, onEventCallback, onErrorCallback);
   }
 
   @Override
   public void monitorCharacteristicForService(int serviceIdentifier,
                                               String characteristicUUID,
                                               String transactionId,
+                                              String subscriptionType,
                                               OnEventCallback<Characteristic> onEventCallback,
                                               OnErrorCallback onErrorCallback) {
     final Characteristic characteristic = getCharacteristicOrEmitError(
@@ -712,19 +714,19 @@ public void monitorCharacteristicForService(int serviceIdentifier,
       return;
     }
 
-    safeMonitorCharacteristicForDevice(characteristic, transactionId, onEventCallback, onErrorCallback);
+    safeMonitorCharacteristicForDevice(characteristic, transactionId, subscriptionType, onEventCallback, onErrorCallback);
   }
 
   @Override
-  public void monitorCharacteristic(int characteristicIdentifier, String transactionId,
+  public void monitorCharacteristic(int characteristicIdentifier, String transactionId, String subscriptionType,
                                     OnEventCallback<Characteristic> onEventCallback,
                                     OnErrorCallback onErrorCallback) {
     final Characteristic characteristic = getCharacteristicOrEmitError(characteristicIdentifier, onErrorCallback);
     if (characteristic == null) {
       return;
     }
 
-    safeMonitorCharacteristicForDevice(characteristic, transactionId, onEventCallback, onErrorCallback);
+    safeMonitorCharacteristicForDevice(characteristic, transactionId, subscriptionType, onEventCallback, onErrorCallback);
   }
 
   @Override
@@ -1439,6 +1441,7 @@ private void safeWriteCharacteristicForDevice(final Characteristic characteristi
 
   private void safeMonitorCharacteristicForDevice(final Characteristic characteristic,
                                                   final String transactionId,
+                                                  final String subscriptionType,
                                                   final OnEventCallback<Characteristic> onEventCallback,
                                                   final OnErrorCallback onErrorCallback) {
     final RxBleConnection connection = getConnectionOrEmitError(characteristic.getDeviceId(), onErrorCallback);
@@ -1453,12 +1456,15 @@ private void safeMonitorCharacteristicForDevice(final Characteristic characteris
         NotificationSetupMode setupMode = cccDescriptor != null
           ? NotificationSetupMode.QUICK_SETUP
           : NotificationSetupMode.COMPAT;
-        if (characteristic.isNotifiable()) {
-          return connection.setupNotification(characteristic.gattCharacteristic, setupMode);
-        }
-
-        if (characteristic.isIndicatable()) {
-          return connection.setupIndication(characteristic.gattCharacteristic, setupMode);
+
+        if ("notification".equals(subscriptionType) && characteristic.isNotifiable()) {
+            return connection.setupNotification(characteristic.gattCharacteristic, setupMode);
+        } else if ("indication".equals(subscriptionType) && characteristic.isIndicatable()) {
+            return connection.setupIndication(characteristic.gattCharacteristic, setupMode);
+        } else if (characteristic.isNotifiable()) {
+            return connection.setupNotification(characteristic.gattCharacteristic, setupMode);
+        } else if (characteristic.isIndicatable()) {
+            return connection.setupIndication(characteristic.gattCharacteristic, setupMode);
         }
 
         return Observable.error(new CannotMonitorCharacteristicException(characteristic));

diff --git a/src/BleManager.js b/src/BleManager.js
@@ -24,6 +24,7 @@ import type {
   Identifier,
   UUID,
   TransactionId,
+  CharacteristicSubscriptionType,
   Base64,
   ScanOptions,
   ConnectionOptions,
@@ -958,11 +959,18 @@ export class BleManager {
     serviceUUID: UUID,
     characteristicUUID: UUID,
     listener: (error: ?BleError, characteristic: ?Characteristic) => void,
-    transactionId: ?TransactionId
+    transactionId: ?TransactionId,
+    subscriptionType: ?CharacteristicSubscriptionType
   ): Subscription {
     const filledTransactionId = transactionId || this._nextUniqueID()
     return this._handleMonitorCharacteristic(
-      BleModule.monitorCharacteristicForDevice(deviceIdentifier, serviceUUID, characteristicUUID, filledTransactionId),
+      BleModule.monitorCharacteristicForDevice(
+        deviceIdentifier,
+        serviceUUID,
+        characteristicUUID,
+        filledTransactionId,
+        subscriptionType
+      ),
       filledTransactionId,
       listener
     )
@@ -985,11 +993,17 @@ export class BleManager {
     serviceIdentifier: Identifier,
     characteristicUUID: UUID,
     listener: (error: ?BleError, characteristic: ?Characteristic) => void,
-    transactionId: ?TransactionId
+    transactionId: ?TransactionId,
+    subscriptionType: ?CharacteristicSubscriptionType
   ): Subscription {
     const filledTransactionId = transactionId || this._nextUniqueID()
     return this._handleMonitorCharacteristic(
-      BleModule.monitorCharacteristicForService(serviceIdentifier, characteristicUUID, filledTransactionId),
+      BleModule.monitorCharacteristicForService(
+        serviceIdentifier,
+        characteristicUUID,
+        filledTransactionId,
+        subscriptionType
+      ),
       filledTransactionId,
       listener
     )
@@ -1003,18 +1017,20 @@ export class BleManager {
    * @param {function(error: ?BleError, characteristic: ?Characteristic)} listener - callback which emits
    * {@link Characteristic} objects with modified value for each notification.
    * @param {?TransactionId} transactionId optional `transactionId` which can be used in
+   * @param {?CharacteristicSubscriptionType} subscriptionType [android only] subscription type of the characteristic
    * {@link #blemanagercanceltransaction|cancelTransaction()} function.
    * @returns {Subscription} Subscription on which `remove()` function can be called to unsubscribe.
    * @private
    */
   _monitorCharacteristic(
     characteristicIdentifier: Identifier,
     listener: (error: ?BleError, characteristic: ?Characteristic) => void,
-    transactionId: ?TransactionId
+    transactionId: ?TransactionId,
+    subscriptionType: ?CharacteristicSubscriptionType
   ): Subscription {
     const filledTransactionId = transactionId || this._nextUniqueID()
     return this._handleMonitorCharacteristic(
-      BleModule.monitorCharacteristic(characteristicIdentifier, filledTransactionId),
+      BleModule.monitorCharacteristic(characteristicIdentifier, filledTransactionId, subscriptionType),
       filledTransactionId,
       listener
     )

diff --git a/src/BleModule.js b/src/BleModule.js
@@ -8,6 +8,7 @@ import type {
   Identifier,
   UUID,
   TransactionId,
+  CharacteristicSubscriptionType,
   Base64,
   ScanOptions,
   ConnectionOptions
@@ -607,14 +608,16 @@ export interface BleModuleInterface {
    * @param {UUID} serviceUUID Service UUID
    * @param {UUID} characteristicUUID Characteristic UUID
    * @param {TransactionId} transactionId Transaction handle used to cancel operation
+   * @param {?CharacteristicSubscriptionType} subscriptionType [android only] subscription type of the characteristic
    * @returns {Promise<void>} Value which is returned when monitoring was cancelled or resulted in error
    * @private
    */
   monitorCharacteristicForDevice(
     deviceIdentifier: DeviceId,
     serviceUUID: UUID,
     characteristicUUID: UUID,
-    transactionId: TransactionId
+    transactionId: TransactionId,
+    subscriptionType: ?CharacteristicSubscriptionType
   ): Promise<void>;
 
   /**
@@ -623,24 +626,31 @@ export interface BleModuleInterface {
    * @param {Identifier} serviceIdentifier Service ID
    * @param {UUID} characteristicUUID Characteristic UUID
    * @param {TransactionId} transactionId Transaction handle used to cancel operation
+   * @param {?CharacteristicSubscriptionType} subscriptionType [android only] subscription type of the characteristic
    * @returns {Promise<void>} Value which is returned when monitoring was cancelled or resulted in error
    * @private
    */
   monitorCharacteristicForService(
     serviceIdentifier: Identifier,
     characteristicUUID: UUID,
-    transactionId: TransactionId
+    transactionId: TransactionId,
+    subscriptionType: ?CharacteristicSubscriptionType
   ): Promise<void>;
 
   /**
    * Setup monitoring of characteristic value.
    *
    * @param {Identifier} characteristicIdentifier Characteristic ID
    * @param {TransactionId} transactionId Transaction handle used to cancel operation
+   * @param {?CharacteristicSubscriptionType} subscriptionType [android only] subscription type of the characteristic
    * @returns {Promise<void>} Value which is returned when monitoring was cancelled or resulted in error
    * @private
    */
-  monitorCharacteristic(characteristicIdentifier: Identifier, transactionId: TransactionId): Promise<void>;
+  monitorCharacteristic(
+    characteristicIdentifier: Identifier,
+    transactionId: TransactionId,
+    subscriptionType: ?CharacteristicSubscriptionType
+  ): Promise<void>;
 
   // Descriptor operations
 

diff --git a/src/Characteristic.js b/src/Characteristic.js
@@ -5,7 +5,15 @@ import type { BleManager } from './BleManager'
 import type { BleError } from './BleError'
 import { Descriptor } from './Descriptor'
 import type { NativeCharacteristic } from './BleModule'
-import type { DeviceId, Identifier, UUID, TransactionId, Base64, Subscription } from './TypeDefinition'
+import type {
+  DeviceId,
+  Identifier,
+  UUID,
+  TransactionId,
+  CharacteristicSubscriptionType,
+  Base64,
+  Subscription
+} from './TypeDefinition'
 
 /**
  * Characteristic object.
@@ -130,14 +138,16 @@ export class Characteristic implements NativeCharacteristic {
    * @param {function(error: ?BleError, characteristic: ?Characteristic)} listener callback which emits
    * this {@link Characteristic} with modified value for each notification.
    * @param {?TransactionId} transactionId optional `transactionId` which can be used in
+   * @param {?CharacteristicSubscriptionType} subscriptionType [android only] subscription type of the characteristic
    * {@link #blemanagercanceltransaction|bleManager.cancelTransaction()} function.
    * @returns {Subscription} Subscription on which `remove()` function can be called to unsubscribe.
    */
   monitor(
     listener: (error: ?BleError, characteristic: ?Characteristic) => void,
-    transactionId: ?TransactionId
+    transactionId: ?TransactionId,
+    subscriptionType: ?CharacteristicSubscriptionType
   ): Subscription {
-    return this._manager._monitorCharacteristic(this.id, listener, transactionId)
+    return this._manager._monitorCharacteristic(this.id, listener, transactionId, subscriptionType)
   }
 
   /**

diff --git a/src/Device.js b/src/Device.js
@@ -8,7 +8,15 @@ import type { Service } from './Service'
 import type { Descriptor } from './Descriptor'
 import { ConnectionPriority } from './TypeDefinition'
 import type { NativeDevice } from './BleModule'
-import type { DeviceId, Base64, UUID, Subscription, TransactionId, ConnectionOptions } from './TypeDefinition'
+import type {
+  DeviceId,
+  Base64,
+  UUID,
+  Subscription,
+  TransactionId,
+  CharacteristicSubscriptionType,
+  ConnectionOptions
+} from './TypeDefinition'
 
 /**
  * Device instance which can be retrieved only by calling
@@ -298,21 +306,24 @@ export class Device implements NativeDevice {
    * @param {function(error: ?BleError, characteristic: ?Characteristic)} listener - callback which emits
    * {@link Characteristic} objects with modified value for each notification.
    * @param {?TransactionId} transactionId optional `transactionId` which can be used in
+   * @param {?CharacteristicSubscriptionType} subscriptionType [android only] subscription type of the characteristic
    * {@link #blemanagercanceltransaction|bleManager.cancelTransaction()} function.
    * @returns {Subscription} Subscription on which `remove()` function can be called to unsubscribe.
    */
   monitorCharacteristicForService(
     serviceUUID: UUID,
     characteristicUUID: UUID,
     listener: (error: ?BleError, characteristic: ?Characteristic) => void,
-    transactionId: ?TransactionId
+    transactionId: ?TransactionId,
+    subscriptionType?: CharacteristicSubscriptionType
   ): Subscription {
     return this._manager.monitorCharacteristicForDevice(
       this.id,
       serviceUUID,
       characteristicUUID,
       listener,
-      transactionId
+      transactionId,
+      subscriptionType
     )
   }