Added button in settings to select BLE device. Note may have broken theme so UI looks odd - actionbar may be missing...

app/src/main/res/xml/general_prefs.xml

@@ -8,6 +8,12 @@
         android:entryValues="@array/datasource_list_values"
         android:defaultValue="Pebble"
         android:dialogTitle="Select Data Source" />
+    <Preference
+        android:key="SelectBLEDevice"
+        android:title="@string/select_ble_device_title"
+        android:summary="@string/select_ble_device_desc"
+        android:widgetLayout="@layout/pref_select_ble_device_button"
+        />
     <CheckBoxPreference
         android:defaultValue="true"
         android:key="LogAlarms"