Pebble 2: allow to disable/enable HRM in context menu of Workout app

Okay this might be stupid  since Workout seems to work also works without HRM!
I assumed (wrongly) that I will disable Workout by disabling HRM

anyway, better than not being able to toggle it at all!

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/appmanager/AbstractAppManagerFragment.java

@@ -283,6 +283,10 @@ public abstract class AbstractAppManagerFragment extends Fragment {
             menu.removeItem(R.id.appmanager_health_activate);
             menu.removeItem(R.id.appmanager_health_deactivate);
         }
+        if (!PebbleProtocol.UUID_WORKOUT.equals(selectedApp.getUUID())) {
+            menu.removeItem(R.id.appmanager_hrm_activate);
+            menu.removeItem(R.id.appmanager_hrm_deactivate);
+        }
         if (selectedApp.getType() == GBDeviceApp.Type.APP_SYSTEM || selectedApp.getType() == GBDeviceApp.Type.WATCHFACE_SYSTEM) {
             menu.removeItem(R.id.appmanager_app_delete);
         }
@@ -355,7 +359,11 @@ public abstract class AbstractAppManagerFragment extends Fragment {
             case R.id.appmanager_health_activate:
                 GBApplication.deviceService().onInstallApp(Uri.parse("fake://health"));
                 return true;
+            case R.id.appmanager_hrm_activate:
+                GBApplication.deviceService().onInstallApp(Uri.parse("fake://hrm"));
+                return true;
             case R.id.appmanager_health_deactivate:
+            case R.id.appmanager_hrm_deactivate:
                 GBApplication.deviceService().onAppDelete(selectedApp.getUUID());
                 return true;
             case R.id.appmanager_app_configure:

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleIoThread.java

@@ -596,6 +596,10 @@ class PebbleIoThread extends GBDeviceIoThread {
             write(mPebbleProtocol.encodeSetSaneDistanceUnit(true));
             return;
         }
+        if (uri.equals(Uri.parse("fake://hrm"))) {
+            write(mPebbleProtocol.encodeActivateHRM(true));
+            return;
+        }
 
         String platformName = PebbleUtils.getPlatformName(gbDevice.getModel());
 

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleProtocol.java

@@ -721,10 +721,8 @@ public class PebbleProtocol extends GBDeviceProtocol {
         return buf.array();
     }
 
-    public byte[] encodeActivateHealth(boolean activate) {
+    byte[] encodeActivateHealth(boolean activate) {
         byte[] blob;
-        byte command;
-        command = BLOBDB_INSERT;
         if (activate) {
 
             ByteBuffer buf = ByteBuffer.allocate(9);
@@ -744,10 +742,10 @@ public class PebbleProtocol extends GBDeviceProtocol {
         } else {
             blob = new byte[]{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
         }
-        return encodeBlobdb("activityPreferences", command, BLOBDB_PREFERENCES, blob);
+        return encodeBlobdb("activityPreferences", BLOBDB_INSERT, BLOBDB_PREFERENCES, blob);
     }
 
-    public byte[] encodeSetSaneDistanceUnit(boolean sane) {
+    byte[] encodeSetSaneDistanceUnit(boolean sane) {
         byte value;
         if (sane) {
             value = 0x00;
@@ -757,7 +755,13 @@ public class PebbleProtocol extends GBDeviceProtocol {
         return encodeBlobdb("unitsDistance", BLOBDB_INSERT, BLOBDB_PREFERENCES, new byte[]{value});
     }
 
-    public byte[] encodeReportDataLogSessions() {
+
+    byte[] encodeActivateHRM(boolean activate) {
+        return encodeBlobdb("hrmPreferences", BLOBDB_INSERT, BLOBDB_PREFERENCES,
+                activate ? new byte[]{0x01} : new byte[]{0x00});
+    }
+
+    byte[] encodeReportDataLogSessions() {
         return encodeSimpleMessage(ENDPOINT_DATALOG, DATALOG_REPORTSESSIONS);
     }
 
@@ -1249,6 +1253,9 @@ public class PebbleProtocol extends GBDeviceProtocol {
             if (UUID_PEBBLE_HEALTH.equals(uuid)) {
                 return encodeActivateHealth(false);
             }
+            if (UUID_WORKOUT.equals(uuid)) {
+                return encodeActivateHRM(false);
+            }
             return encodeBlobdb(uuid, BLOBDB_DELETE, BLOBDB_APP, null);
         } else {
             ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_REMOVEAPP_2X);

app/src/main/res/menu/appmanager_context.xml

@@ -15,6 +15,12 @@
     <item
         android:id="@+id/appmanager_health_deactivate"
         android:title="@string/appmanager_health_deactivate"/>
+    <item
+        android:id="@+id/appmanager_hrm_activate"
+        android:title="@string/appmanager_hrm_activate"/>
+    <item
+        android:id="@+id/appmanager_hrm_deactivate"
+        android:title="@string/appmanager_hrm_deactivate"/>
     <item
         android:id="@+id/appmanager_app_configure"
         android:title="@string/app_configure"/>

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

@@ -28,6 +28,8 @@
     <string name="appmanager_app_openinstore">Search in Pebble Appstore</string>
     <string name="appmanager_health_activate">Activate</string>
     <string name="appmanager_health_deactivate">Deactivate</string>
+    <string name="appmanager_hrm_activate">Activate HRM</string>
+    <string name="appmanager_hrm_deactivate">Deactivate HRM</string>
     <string name="app_configure">Configure</string>
     <string name="app_move_to_top">Move to top</string>