Use DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothBeurerSanitas.java

@@ -61,7 +61,6 @@ public class BluetoothBeurerSanitas extends BluetoothCommunication {
             UUID.fromString("00002A2A-0000-1000-8000-00805F9B34FB");
     private static final UUID PNP_ID =
             UUID.fromString("00002A50-0000-1000-8000-00805F9B34FB");
-
     private static final UUID DEVICE_NAME =
             UUID.fromString("00002A00-0000-1000-8000-00805F9B34FB");
     private static final UUID APPEARANCE =
@@ -78,9 +77,6 @@ public class BluetoothBeurerSanitas extends BluetoothCommunication {
     private static final UUID SERVICE_CHANGED =
             UUID.fromString("00002A05-0000-1000-8000-00805F9B34FB");
 
-    private static final UUID CLIENT_CHARACTERISTICS_CONFIGURATION =
-            UUID.fromString("00002902-0000-1000-8000-00805F9B34FB");
-
     private static final UUID CUSTOM_SERVICE_1 =
             UUID.fromString("0000FFE0-0000-1000-8000-00805F9B34FB");
     private static final UUID CUSTOM_CHARACTERISTIC_1 = // read-write
@@ -154,7 +150,8 @@ public class BluetoothBeurerSanitas extends BluetoothCommunication {
                 seenUsers = new TreeSet<>();
 
                 // Setup notification
-                setNotificationOn(CUSTOM_SERVICE_1, CUSTOM_CHARACTERISTIC_WEIGHT, CLIENT_CHARACTERISTICS_CONFIGURATION);
+                setNotificationOn(CUSTOM_SERVICE_1, CUSTOM_CHARACTERISTIC_WEIGHT,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 1:
                 // Say "Hello" to the scale

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCustomOpenScale.java

@@ -32,7 +32,6 @@ import timber.log.Timber;
 public class BluetoothCustomOpenScale extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("0000ffe0-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000ffe1-0000-1000-8000-00805f9b34fb"); // Bluetooth Modul HM-10
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
     private String string_data = new String();
 
@@ -49,7 +48,8 @@ public class BluetoothCustomOpenScale extends BluetoothCommunication {
     protected boolean nextInitCmd(int stateNr) {
         switch (stateNr) {
             case 0:
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 1:
                 Calendar cal = Calendar.getInstance();

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothDigooDGSO38H.java

@@ -33,7 +33,7 @@ public class BluetoothDigooDGSO38H extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("0000fff0-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000fff1-0000-1000-8000-00805f9b34fb");
     private final UUID EXTRA_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000fff2-0000-1000-8000-00805f9b34fb");
-    private final UUID WEIGHT_MEASUREMENT_DESCRIPTOR = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
+
     public BluetoothDigooDGSO38H(Context context) {
         super(context);
     }
@@ -61,7 +61,8 @@ public class BluetoothDigooDGSO38H extends BluetoothCommunication {
         switch (stateNr) {
             case 0:
                 //Tell device to send us weight measurements
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_DESCRIPTOR);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 return false;
         }
 

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothExcelvanCF36xBLE.java

@@ -32,7 +32,6 @@ public class BluetoothExcelvanCF36xBLE extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("0000FFF0-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000FFF1-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_CUSTOM0_CHARACTERISTIC = UUID.fromString("0000FFF4-0000-1000-8000-00805f9b34fb");
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
     private byte[] receivedData = new byte[]{};
 
@@ -96,7 +95,8 @@ public class BluetoothExcelvanCF36xBLE extends BluetoothCommunication {
                 writeBytes(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, configBytes);
                 break;
             case 1:
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_CUSTOM0_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_CUSTOM0_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             default:
                 return false;

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothExingtechY1.java

@@ -32,7 +32,6 @@ public class BluetoothExingtechY1 extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("f433bd80-75b8-11e2-97d9-0002a5d5c51b");
     private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("1a2ea400-75b9-11e2-be05-0002a5d5c51b"); // read, notify
     private final UUID CMD_MEASUREMENT_CHARACTERISTIC = UUID.fromString("29f11080-75b9-11e2-8bf6-0002a5d5c51b"); // write only
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
     public BluetoothExingtechY1(Context context) {
         super(context);
@@ -47,7 +46,8 @@ public class BluetoothExingtechY1 extends BluetoothCommunication {
     protected boolean nextInitCmd(int stateNr) {
         switch (stateNr) {
             case 0:
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 1:
                 final ScaleUser selectedUser = OpenScale.getInstance().getSelectedScaleUser();

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothHesley.java

@@ -29,7 +29,6 @@ public class BluetoothHesley extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("0000fff0-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000fff4-0000-1000-8000-00805f9b34fb"); // read, notify
     private final UUID CMD_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000fff1-0000-1000-8000-00805f9b34fb"); // write only
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
     public BluetoothHesley(Context context) {
         super(context);
@@ -44,7 +43,8 @@ public class BluetoothHesley extends BluetoothCommunication {
     protected boolean nextInitCmd(int stateNr) {
         switch (stateNr) {
             case 0:
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 1:
                 byte[] magicBytes = {(byte)0xa5, (byte)0x01, (byte)0x2c, (byte)0xab, (byte)0x50, (byte)0x5a, (byte)0x29};

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothMGB.java

@@ -36,7 +36,6 @@ public class BluetoothMGB extends BluetoothCommunication {
     private static final UUID uuid_service   =  UUID.fromString("0000ffb0-0000-1000-8000-00805f9b34fb");
     private static final UUID uuid_char_cfg  =  UUID.fromString("0000ffb1-0000-1000-8000-00805f9b34fb");
     private static final UUID uuid_char_ctrl =  UUID.fromString("0000ffb2-0000-1000-8000-00805f9b34fb");
-    private static final UUID uuid_desc_ctrl =  UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
 
     private Calendar  now;
@@ -87,7 +86,8 @@ public class BluetoothMGB extends BluetoothCommunication {
     protected boolean nextInitCmd(int stateNr) {
         switch (stateNr) {
             case 0:
-                setNotificationOn(uuid_service, uuid_char_ctrl, uuid_desc_ctrl);
+                setNotificationOn(uuid_service, uuid_char_ctrl,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 now  = Calendar.getInstance();
                 user = OpenScale.getInstance().getSelectedScaleUser();
                 break;

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothMedisanaBS44x.java

@@ -32,7 +32,6 @@ public class BluetoothMedisanaBS44x extends BluetoothCommunication {
     private final UUID CUSTOM3_MEASUREMENT_CHARACTERISTIC = UUID.fromString("00008a20-0000-1000-8000-00805f9b34fb"); // read-only
     private final UUID CMD_MEASUREMENT_CHARACTERISTIC = UUID.fromString("00008a81-0000-1000-8000-00805f9b34fb"); // write-only
     private final UUID CUSTOM5_MEASUREMENT_CHARACTERISTIC = UUID.fromString("00008a82-0000-1000-8000-00805f9b34fb"); // indication, read-only
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
     private ScaleMeasurement btScaleMeasurement;
 
@@ -59,15 +58,18 @@ public class BluetoothMedisanaBS44x extends BluetoothCommunication {
         switch (stateNr) {
             case 0:
                 // set indication on for feature characteristic
-                setIndicationOn(WEIGHT_MEASUREMENT_SERVICE, FEATURE_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setIndicationOn(WEIGHT_MEASUREMENT_SERVICE, FEATURE_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 1:
                 // set indication on for weight measurement
-                setIndicationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setIndicationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 2:
                 // set indication on for custom5 measurement
-                setIndicationOn(WEIGHT_MEASUREMENT_SERVICE, CUSTOM5_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setIndicationOn(WEIGHT_MEASUREMENT_SERVICE, CUSTOM5_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 3:
                 // send magic number to receive weight data

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothMiScale.java

@@ -44,7 +44,6 @@ public class BluetoothMiScale extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC = UUID.fromString("00002a9d-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC = UUID.fromString("00002a2f-0000-3512-2118-0009af100700");
     private final UUID WEIGHT_MEASUREMENT_TIME_CHARACTERISTIC = UUID.fromString("00002a2b-0000-1000-8000-00805f9b34fb");
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
     public BluetoothMiScale(Context context) {
         super(context);
@@ -122,7 +121,8 @@ public class BluetoothMiScale extends BluetoothCommunication {
                 break;
             case 2:
                 // set notification on for weight measurement history
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 3:
                 // Set on history weight measurement
@@ -142,11 +142,13 @@ public class BluetoothMiScale extends BluetoothCommunication {
         switch (stateNr) {
             case 0:
                 // set notification on for weight measurement history
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 1:
                 // set notification on for weight measurement
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 2:
                 // configure scale to get only last measurements
@@ -157,11 +159,13 @@ public class BluetoothMiScale extends BluetoothCommunication {
                 break;
             case 3:
                 // set notification off for weight measurement history
-                setNotificationOff(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOff(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 4:
                 // set notification on for weight measurement history
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 5:
                 // invoke receiving history data

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothMiScale2.java

@@ -50,7 +50,6 @@ public class BluetoothMiScale2 extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_SERVICE = UUID.fromString("0000181b-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC = UUID.fromString("00002a2f-0000-3512-2118-0009af100700");
     private final UUID WEIGHT_MEASUREMENT_TIME_CHARACTERISTIC = UUID.fromString("00002a2b-0000-1000-8000-00805f9b34fb");
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_BODY_COMPOSITION_FEATURE = UUID.fromString("00002a9b-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_MEASUREMENT_BODY_COMPOSITION_MEASUREMENT = UUID.fromString("00002a9c-0000-1000-8000-00805f9b34fb");
 
@@ -118,7 +117,8 @@ public class BluetoothMiScale2 extends BluetoothCommunication {
                 break;
             case 2:
                 // set notification on for weight measurement history
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             default:
                 return false;
@@ -139,11 +139,13 @@ public class BluetoothMiScale2 extends BluetoothCommunication {
                 break;
             case 1:
                 // set notification off for weight measurement history
-                setNotificationOff(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOff(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 2:
                 // set notification on for weight measurement history
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_HISTORY_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 3:
                 // invoke receiving history data
@@ -173,7 +175,8 @@ public class BluetoothMiScale2 extends BluetoothCommunication {
                 break;
             case 2:
                 // set notification on for body composition measurement
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_BODY_COMPOSITION_MEASUREMENT, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_BODY_COMPOSITION_MEASUREMENT,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             default:
                 return false;

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothOneByone.java

@@ -36,7 +36,6 @@ public class BluetoothOneByone extends BluetoothCommunication {
     private final UUID WEIGHT_MEASUREMENT_CHARACTERISTIC_BODY_COMPOSITION = UUID.fromString("0000fff4-0000-1000-8000-00805f9b34fb"); // notify
 
     private final UUID CMD_MEASUREMENT_CHARACTERISTIC = UUID.fromString("0000fff1-0000-1000-8000-00805f9b34fb"); // write only
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
 
 
     public BluetoothOneByone(Context context) {
@@ -54,7 +53,7 @@ public class BluetoothOneByone extends BluetoothCommunication {
             case 0:
                 setNotificationOn(WEIGHT_MEASUREMENT_SERVICE,
                             WEIGHT_MEASUREMENT_CHARACTERISTIC_BODY_COMPOSITION,
-                            WEIGHT_MEASUREMENT_CONFIG);
+                            BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 1:
                 ScaleUser currentUser = OpenScale.getInstance().getSelectedScaleUser();

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothTrisaBodyAnalyze.java

@@ -46,10 +46,6 @@ public class BluetoothTrisaBodyAnalyze extends BluetoothCommunication {
     private static final UUID WEIGHT_SCALE_SERVICE_UUID =
             UUID.fromString("00007802-0000-1000-8000-00805f9b34fb");
 
-    // GATT descriptor.
-    private static final UUID CLIENT_CHARACTERISTIC_CONFIGURATION_DESCRIPTOR_UUID =
-            UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
-
     // GATT service characteristics.
     private static final UUID MEASUREMENT_CHARACTERISTIC_UUID =
             UUID.fromString("00008a21-0000-1000-8000-00805f9b34fb");
@@ -135,7 +131,7 @@ public class BluetoothTrisaBodyAnalyze extends BluetoothCommunication {
                 setIndicationOn(
                         WEIGHT_SCALE_SERVICE_UUID,
                         MEASUREMENT_CHARACTERISTIC_UUID,
-                        CLIENT_CHARACTERISTIC_CONFIGURATION_DESCRIPTOR_UUID);
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 return true;  // more commands follow
             case 1:
                 // Register for notifications of the command upload characteristic.
@@ -146,7 +142,7 @@ public class BluetoothTrisaBodyAnalyze extends BluetoothCommunication {
                 setIndicationOn(
                         WEIGHT_SCALE_SERVICE_UUID,
                         UPLOAD_COMMAND_CHARACTERISTIC_UUID,
-                        CLIENT_CHARACTERISTIC_CONFIGURATION_DESCRIPTOR_UUID);
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 // falls through
             default:
                 return false;  // no more commands

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothYunmaiSE_Mini.java

@@ -40,8 +40,6 @@ public class BluetoothYunmaiSE_Mini extends BluetoothCommunication {
     private final UUID WEIGHT_CMD_SERVICE = UUID.fromString("0000ffe5-0000-1000-8000-00805f9b34fb");
     private final UUID WEIGHT_CMD_CHARACTERISTIC = UUID.fromString("0000ffe9-0000-1000-8000-00805f9b34fb");
 
-    private final UUID WEIGHT_MEASUREMENT_CONFIG = UUID.fromString("00002902-0000-1000-8000-00805f9b34fb");
-
     private boolean isMini;
 
     public BluetoothYunmaiSE_Mini(Context context, boolean isMini) {
@@ -85,7 +83,8 @@ public class BluetoothYunmaiSE_Mini extends BluetoothCommunication {
                 writeBytes(WEIGHT_CMD_SERVICE, WEIGHT_CMD_CHARACTERISTIC, set_time);
                 break;
             case 2:
-                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC, WEIGHT_MEASUREMENT_CONFIG);
+                setNotificationOn(WEIGHT_MEASUREMENT_SERVICE, WEIGHT_MEASUREMENT_CHARACTERISTIC,
+                        BluetoothGattUuid.DESCRIPTOR_CLIENT_CHARACTERISTIC_CONFIGURATION);
                 break;
             case 3:
                 byte[] magic_bytes = new byte[]{(byte)0x0d, (byte)0x05, (byte)0x13, (byte)0x00, (byte)0x16};