Sensor: add temperature.

Fixes #2241.

src/main/java/de/dennisguse/opentracks/settings/PreferencesUtils.java

@@ -274,6 +274,10 @@ public class PreferencesUtils {
         return getString(R.string.settings_sensor_bluetooth_heart_rate_key, getBluetoothSensorAddressNone());
     }
 
+    public static String getBluetoothTemperatureSensorAddress() {
+        return getString(R.string.settings_sensor_bluetooth_temperature_key, getBluetoothSensorAddressNone());
+    }
+
     public static String getBluetoothCyclingCadenceSensorAddress() {
         return getString(R.string.settings_sensor_bluetooth_cycling_cadence_key, getBluetoothSensorAddressNone());
     }
@@ -830,7 +834,8 @@ public class PreferencesUtils {
                 R.array.stats_custom_layout_fields_default_value_17,
                 R.array.stats_custom_layout_fields_default_value_18,
                 R.array.stats_custom_layout_fields_default_value_19,
-                R.array.stats_custom_layout_fields_default_value_20
+                        R.array.stats_custom_layout_fields_default_value_20,
+                        R.array.stats_custom_layout_fields_default_value_21
                 ).map(id -> resources.obtainTypedArray(id))
                 .toList();
     }

src/main/java/de/dennisguse/opentracks/settings/bluetooth/BluetoothLeTemperaturePreference.java

@@ -0,0 +1,35 @@
+package de.dennisguse.opentracks.settings.bluetooth;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+import androidx.preference.PreferenceDialogFragmentCompat;
+
+import java.util.List;
+
+import de.dennisguse.opentracks.sensors.BluetoothHandlerTemperature;
+
+public class BluetoothLeTemperaturePreference extends BluetoothLeSensorPreference {
+
+    public BluetoothLeTemperaturePreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public BluetoothLeTemperaturePreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public BluetoothLeTemperaturePreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public BluetoothLeTemperaturePreference(Context context) {
+        super(context);
+    }
+
+    @Override
+    public PreferenceDialogFragmentCompat createInstance() {
+        return BluetoothLeSensorPreferenceDialog
+                .newInstance(getKey(), List.of(BluetoothHandlerTemperature.TEMPERATURE));
+    }
+}