Huawei: Allow encryption to be enabled / disabled

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiCoordinator.java

@@ -573,6 +573,7 @@ public abstract class HuaweiCoordinator extends AbstractDeviceCoordinator {
 
         // Developer
         final List<Integer> developer = deviceSpecificSettings.addRootScreen(DeviceSpecificSettingsScreen.DEVELOPER);
+        developer.add(R.xml.devicesettings_force_encryption);
         developer.add(R.xml.devicesettings_huawei_debug);
         if (deviceState.supportsGpsAndTimeToDevice())
             developer.add(R.xml.devicesettings_huawei_gps_and_time);

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/HuaweiSupportProvider.java

@@ -236,6 +236,7 @@ import nodomain.freeyourgadget.gadgetbridge.util.DateTimeUtils;
 import nodomain.freeyourgadget.gadgetbridge.util.GB;
 import nodomain.freeyourgadget.gadgetbridge.util.MediaManager;
 import nodomain.freeyourgadget.gadgetbridge.util.StringUtils;
+import nodomain.freeyourgadget.gadgetbridge.util.preferences.DevicePrefs;
 
 public class HuaweiSupportProvider {
     private static final Logger LOG = LoggerFactory.getLogger(HuaweiSupportProvider.class);
@@ -381,7 +382,13 @@ public class HuaweiSupportProvider {
         this.context = context;
         this.huaweiType = getCoordinator().getHuaweiType();
         this.paramsProvider.setAW(getCoordinator().getHuaweiType() == HuaweiDeviceType.AW);
-        this.paramsProvider.setTransactionsCrypted(getCoordinator().isTransactionCrypted());
+        final DevicePrefs devicePrefs = GBApplication.getDevicePrefs(device);
+        final boolean transactionCrypted = switch (devicePrefs.getString("force_encryption", "default")) {
+            case "force_enabled" -> true;
+            case "force_disabled" -> false;
+            default -> getCoordinator().isTransactionCrypted();
+        };
+        this.paramsProvider.setTransactionsCrypted(transactionCrypted);
         mediaManager = new MediaManager(context);
     }
 

app/src/main/res/values/arrays.xml

@@ -5351,6 +5351,17 @@
         <item>@string/pref_force_connection_type_bt_classic_value</item>
     </string-array>
 
+    <string-array name="pref_force_encryption_names">
+        <item>@string/pref_default</item>
+        <item>@string/preference_force_enabled</item>
+        <item>@string/preference_force_disabled</item>
+    </string-array>
+    <string-array name="pref_force_encryption_values">
+        <item>default</item>
+        <item>force_enabled</item>
+        <item>force_disabled</item>
+    </string-array>
+
     <string-array name="pref_dashboard_widgets_order">
         <item>@string/pref_dashboard_widget_today_title</item>
         <item>@string/pref_dashboard_widget_goals_chart_title</item>

app/src/main/res/values/strings.xml

@@ -4055,6 +4055,10 @@
     <string name="pref_force_connection_type_auto">Automatic</string>
     <string name="pref_force_connection_type_ble">Bluetooth LE</string>
     <string name="pref_force_connection_type_bt_classic">Bluetooth Classic</string>
+    <string name="encryption">Encryption</string>
+    <string name="development_preference_do_not_change">Do not change unless instructed, or if you are developer</string>
+    <string name="preference_force_enabled">Force enabled</string>
+    <string name="preference_force_disabled">Force disabled</string>
     <string name="pref_force_connection_type_auto_value" translatable="false">BOTH</string>
     <string name="pref_force_connection_type_ble_value" translatable="false">BLE</string>
     <string name="pref_force_connection_type_bt_classic_value" translatable="false">BT_CLASSIC</string>

app/src/main/res/xml/devicesettings_force_encryption.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <ListPreference
+        android:defaultValue="default"
+        android:entries="@array/pref_force_encryption_names"
+        android:entryValues="@array/pref_force_encryption_values"
+        android:icon="@drawable/ic_lock_open"
+        android:key="force_encryption"
+        android:summary="@string/development_preference_do_not_change"
+        android:title="@string/encryption" />
+</androidx.preference.PreferenceScreen>