applied patch by Florin9doi, see #1088 (comment)

Author: oliexdev

android_app/app/src/main/java/com/health/openscale/gui/preferences/BluetoothSettingsFragment.java

@@ -322,14 +322,18 @@ private void onDeviceFound(final ScanResult bleScanResult) {
             return;
         }
 
-        BluetoothDeviceView deviceView = new BluetoothDeviceView(context);
-        deviceView.setDeviceName(formatDeviceName(bleScanResult.getDevice()));
-
         String deviceName = device.getName();
         if (deviceName == null) {
             deviceName = BluetoothFactory.convertNoNameToDeviceName(bleScanResult.getScanRecord().getManufacturerSpecificData());
+          }
+       if (deviceName == null) {
+           return;
         }
 
+        BluetoothDeviceView deviceView = new BluetoothDeviceView(context);
+        deviceView.setDeviceName(formatDeviceName(deviceName, device.getAddress()));
+        deviceView.setAlias(deviceName);
+
         BluetoothCommunication btDevice = BluetoothFactory.createDeviceDriver(context, deviceName);
         if (btDevice != null) {
             Timber.d("Found supported device %s (driver: %s)",
@@ -398,6 +402,7 @@ private class BluetoothDeviceView extends LinearLayout implements View.OnClickLi
         private TextView deviceName;
         private ImageView deviceIcon;
         private String deviceAddress;
+        private String deviceAlias;
 
         public BluetoothDeviceView(Context context) {
             super(context);
@@ -427,6 +432,14 @@ public BluetoothDeviceView(Context context) {
             addView(deviceName);
         }
 
+        public void setAlias(String alias) {
+            deviceAlias = alias;
+        }
+
+        public String getAlias() {
+            return deviceAlias;
+        }
+
         public void setDeviceAddress(String address) {
             deviceAddress = address;
         }
@@ -485,10 +498,10 @@ public void onClick(View view) {
 
             prefs.edit()
                     .putString(PREFERENCE_KEY_BLUETOOTH_HW_ADDRESS, device.getAddress())
-                    .putString(PREFERENCE_KEY_BLUETOOTH_DEVICE_NAME, device.getName())
+                    .putString(PREFERENCE_KEY_BLUETOOTH_DEVICE_NAME, getAlias())
                     .apply();
 
-            Timber.d("Saved Bluetooth device " + device.getName() + " with address " + device.getAddress());
+            Timber.d("Saved Bluetooth device " + getAlias() + " with address " + device.getAddress());
 
             stopBluetoothDiscovery();