Merge pull request #497 from Riksu9000/refresh_rework

Rework Refresh

src/displayapp/DisplayApp.cpp

@@ -275,7 +275,7 @@ void DisplayApp::Refresh() {
 }
 
 void DisplayApp::RunningState() {
-  if (!currentScreen->Refresh()) {
+  if (!currentScreen->IsRunning()) {
     LoadApp(returnToApp, returnDirection);
   }
   lv_task_handler();

src/displayapp/screens/ApplicationList.cpp

@@ -34,12 +34,6 @@ ApplicationList::~ApplicationList() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool ApplicationList::Refresh() {
-  if (running)
-    running = screens.Refresh();
-  return running;
-}
-
 bool ApplicationList::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
   return screens.OnTouchEvent(event);
 }

src/displayapp/screens/ApplicationList.h

@@ -18,7 +18,6 @@ namespace Pinetime {
                                  Pinetime::Controllers::Battery& batteryController,
                                  Controllers::DateTime& dateTimeController);
         ~ApplicationList() override;
-        bool Refresh() override;
         bool OnTouchEvent(TouchEvents event) override;
 
       private:

src/displayapp/screens/BatteryInfo.cpp

@@ -4,11 +4,6 @@
 
 using namespace Pinetime::Applications::Screens;
 
-static void lv_update_task(struct _lv_task_t* task) {
-  auto user_data = static_cast<BatteryInfo*>(task->user_data);
-  user_data->UpdateScreen();
-}
-
 BatteryInfo::BatteryInfo(Pinetime::Applications::DisplayApp* app, Pinetime::Controllers::Battery& batteryController)
   : Screen(app), batteryController {batteryController} {
 
@@ -49,16 +44,16 @@ BatteryInfo::BatteryInfo(Pinetime::Applications::DisplayApp* app, Pinetime::Cont
   lv_obj_set_pos(backgroundLabel, 0, 0);
   lv_label_set_text_static(backgroundLabel, "");
 
-  taskUpdate = lv_task_create(lv_update_task, 5000, LV_TASK_PRIO_LOW, this);
-  UpdateScreen();
+  taskRefresh = lv_task_create(RefreshTaskCallback, 5000, LV_TASK_PRIO_MID, this);
+  Refresh();
 }
 
 BatteryInfo::~BatteryInfo() {
-  lv_task_del(taskUpdate);
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-void BatteryInfo::UpdateScreen() {
+void BatteryInfo::Refresh() {
 
   batteryController.Update();
 
@@ -85,7 +80,3 @@ void BatteryInfo::UpdateScreen() {
   lv_label_set_text_fmt(voltage, "%1i.%02i volts", batteryVoltage / 1000, batteryVoltage % 1000 / 10);
   lv_bar_set_value(charging_bar, batteryPercent, LV_ANIM_ON);
 }
-
-bool BatteryInfo::Refresh() {
-  return running;
-}

src/displayapp/screens/BatteryInfo.h

@@ -19,9 +19,7 @@ namespace Pinetime {
         BatteryInfo(DisplayApp* app, Pinetime::Controllers::Battery& batteryController);
         ~BatteryInfo() override;
 
-        bool Refresh() override;
-
-        void UpdateScreen();
+        void Refresh() override;
 
       private:
         Pinetime::Controllers::Battery& batteryController;
@@ -31,7 +29,7 @@ namespace Pinetime {
         lv_obj_t* charging_bar;
         lv_obj_t* status;
 
-        lv_task_t* taskUpdate;
+        lv_task_t* taskRefresh;
 
         uint8_t batteryPercent = 0;
         uint16_t batteryVoltage = 0;

src/displayapp/screens/Brightness.cpp

@@ -30,10 +30,6 @@ Brightness::~Brightness() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool Brightness::Refresh() {
-  return running;
-}
-
 const char* Brightness::LevelToString(Pinetime::Controllers::BrightnessController::Levels level) {
   switch (level) {
     case Pinetime::Controllers::BrightnessController::Levels::Off:

src/displayapp/screens/Brightness.h

@@ -12,7 +12,6 @@ namespace Pinetime {
       public:
         Brightness(DisplayApp* app, Controllers::BrightnessController& brightness);
         ~Brightness() override;
-        bool Refresh() override;
 
         bool OnTouchEvent(TouchEvents event) override;
 

src/displayapp/screens/Clock.cpp

@@ -50,11 +50,6 @@ Clock::~Clock() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool Clock::Refresh() {
-  screen->Refresh();
-  return running;
-}
-
 bool Clock::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
   return screen->OnTouchEvent(event);
 }

src/displayapp/screens/Clock.h

@@ -31,8 +31,6 @@ namespace Pinetime {
               Controllers::MotionController& motionController);
         ~Clock() override;
 
-        bool Refresh() override;
-
         bool OnTouchEvent(TouchEvents event) override;
 
       private:

src/displayapp/screens/FirmwareUpdate.cpp

@@ -30,14 +30,16 @@ FirmwareUpdate::FirmwareUpdate(Pinetime::Applications::DisplayApp* app, Pinetime
   lv_label_set_text(percentLabel, "Waiting...");
   lv_obj_set_auto_realign(percentLabel, true);
   lv_obj_align(percentLabel, bar1, LV_ALIGN_OUT_TOP_MID, 0, 60);
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
   startTime = xTaskGetTickCount();
 }
 
 FirmwareUpdate::~FirmwareUpdate() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool FirmwareUpdate::Refresh() {
+void FirmwareUpdate::Refresh() {
   switch (bleController.State()) {
     default:
     case Pinetime::Controllers::Ble::FirmwareUpdateStates::Idle:
@@ -73,7 +75,6 @@ bool FirmwareUpdate::Refresh() {
       }
       break;
   }
-  return running;
 }
 
 void FirmwareUpdate::DisplayProgression() const {

src/displayapp/screens/FirmwareUpdate.h

@@ -16,7 +16,7 @@ namespace Pinetime {
         FirmwareUpdate(DisplayApp* app, Pinetime::Controllers::Ble& bleController);
         ~FirmwareUpdate() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
       private:
         enum class States { Idle, Running, Validated, Error };
@@ -36,6 +36,7 @@ namespace Pinetime {
 
         void UpdateError();
 
+        lv_task_t* taskRefresh;
         TickType_t startTime;
       };
     }

src/displayapp/screens/FirmwareValidation.cpp

@@ -63,10 +63,6 @@ FirmwareValidation::~FirmwareValidation() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool FirmwareValidation::Refresh() {
-  return running;
-}
-
 void FirmwareValidation::OnButtonEvent(lv_obj_t* object, lv_event_t event) {
   if (object == buttonValidate && event == LV_EVENT_CLICKED) {
     validator.Validate();

src/displayapp/screens/FirmwareValidation.h

@@ -16,8 +16,6 @@ namespace Pinetime {
         FirmwareValidation(DisplayApp* app, Pinetime::Controllers::FirmwareValidator& validator);
         ~FirmwareValidation() override;
 
-        bool Refresh() override;
-
         void OnButtonEvent(lv_obj_t* object, lv_event_t event);
 
       private:

src/displayapp/screens/FlashLight.cpp

@@ -65,10 +65,6 @@ void FlashLight::OnClickEvent(lv_obj_t* obj, lv_event_t event) {
   }
 }
 
-bool FlashLight::Refresh() {
-  return running;
-}
-
 bool FlashLight::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
   return false;
 }

src/displayapp/screens/FlashLight.h

@@ -16,8 +16,6 @@ namespace Pinetime {
         FlashLight(DisplayApp* app, System::SystemTask& systemTask, Controllers::BrightnessController& brightness);
         ~FlashLight() override;
 
-        bool Refresh() override;
-
         bool OnTouchEvent(Pinetime::Applications::TouchEvents event) override;
         void OnClickEvent(lv_obj_t* obj, lv_event_t event);
 

src/displayapp/screens/HeartRate.cpp

@@ -64,14 +64,17 @@ HeartRate::HeartRate(Pinetime::Applications::DisplayApp* app,
   UpdateStartStopButton(isHrRunning);
   if (isHrRunning)
     systemTask.PushMessage(Pinetime::System::Messages::DisableSleeping);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, 100, LV_TASK_PRIO_MID, this);
 }
 
 HeartRate::~HeartRate() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
   systemTask.PushMessage(Pinetime::System::Messages::EnableSleeping);
 }
 
-bool HeartRate::Refresh() {
+void HeartRate::Refresh() {
 
   auto state = heartRateController.State();
   switch (state) {
@@ -86,8 +89,6 @@ bool HeartRate::Refresh() {
 
   lv_label_set_text(label_status, ToString(state));
   lv_obj_align(label_status, label_hr, LV_ALIGN_OUT_BOTTOM_MID, 0, 10);
-
-  return running;
 }
 
 void HeartRate::OnStartStopEvent(lv_event_t event) {

src/displayapp/screens/HeartRate.h

@@ -20,7 +20,7 @@ namespace Pinetime {
         HeartRate(DisplayApp* app, Controllers::HeartRateController& HeartRateController, System::SystemTask& systemTask);
         ~HeartRate() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
         void OnStartStopEvent(lv_event_t event);
 
@@ -33,6 +33,8 @@ namespace Pinetime {
         lv_obj_t* label_status;
         lv_obj_t* btn_startStop;
         lv_obj_t* label_startStop;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/InfiniPaint.cpp

@@ -12,10 +12,6 @@ InfiniPaint::~InfiniPaint() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool InfiniPaint::Refresh() {
-  return running;
-}
-
 bool InfiniPaint::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
   switch (event) {
     case Pinetime::Applications::TouchEvents::LongTap:

src/displayapp/screens/InfiniPaint.h

@@ -17,8 +17,6 @@ namespace Pinetime {
 
         ~InfiniPaint() override;
 
-        bool Refresh() override;
-
         bool OnTouchEvent(TouchEvents event) override;
 
         bool OnTouchEvent(uint16_t x, uint16_t y) override;

src/displayapp/screens/Label.cpp

@@ -36,7 +36,3 @@ Label::Label(uint8_t screenID, uint8_t numScreens, Pinetime::Applications::Displ
 Label::~Label() {
   lv_obj_clean(lv_scr_act());
 }
-
-bool Label::Refresh() {
-  return running;
-}

src/displayapp/screens/Label.h

@@ -12,8 +12,6 @@ namespace Pinetime {
         Label(uint8_t screenID, uint8_t numScreens, DisplayApp* app, lv_obj_t* labelText);
         ~Label() override;
 
-        bool Refresh() override;
-
       private:
         lv_obj_t* labelText = nullptr;
         lv_point_t pageIndicatorBasePoints[2];

src/displayapp/screens/List.cpp

@@ -98,11 +98,6 @@ List::~List() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool List::Refresh() {
-
-  return running;
-}
-
 void List::OnButtonEvent(lv_obj_t* object, lv_event_t event) {
   if (event == LV_EVENT_CLICKED) {
     for (int i = 0; i < MAXLISTITEMS; i++) {

src/displayapp/screens/List.h

@@ -27,8 +27,6 @@ namespace Pinetime {
                       std::array<Applications, MAXLISTITEMS>& applications);
         ~List() override;
 
-        bool Refresh() override;
-
         void OnButtonEvent(lv_obj_t* object, lv_event_t event);
 
       private:

src/displayapp/screens/Meter.cpp

@@ -20,17 +20,17 @@ Meter::Meter(Pinetime::Applications::DisplayApp* app) : Screen(app) {
 
   lv_obj_set_size(lmeter, 200, 200);
   lv_obj_align(lmeter, nullptr, LV_ALIGN_CENTER, 0, 0);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Meter::~Meter() {
-
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool Meter::Refresh() {
+void Meter::Refresh() {
   lv_linemeter_set_value(lmeter, value++); /*Set the current value*/
   if (value >= 60)
     value = 0;
-
-  return running;
 }

src/displayapp/screens/Meter.h

@@ -14,13 +14,15 @@ namespace Pinetime {
         Meter(DisplayApp* app);
         ~Meter() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
       private:
         lv_style_t style_lmeter;
         lv_obj_t* lmeter;
 
         uint32_t value = 0;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/Metronome.cpp

@@ -66,14 +66,17 @@ Metronome::Metronome(DisplayApp* app, Controllers::MotorController& motorControl
   lv_obj_set_size(playPause, 115, 50);
   lv_obj_align(playPause, lv_scr_act(), LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
   lv_obj_set_style_local_value_str(playPause, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, Symbols::play);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Metronome::~Metronome() {
+  lv_task_del(taskRefresh);
   systemTask.PushMessage(System::Messages::EnableSleeping);
   lv_obj_clean(lv_scr_act());
 }
 
-bool Metronome::Refresh() {
+void Metronome::Refresh() {
   if (metronomeStarted) {
     if (xTaskGetTickCount() - startTime > 60 * configTICK_RATE_HZ / bpm) {
       startTime += 60 * configTICK_RATE_HZ / bpm;
@@ -86,7 +89,6 @@ bool Metronome::Refresh() {
       }
     }
   }
-  return running;
 }
 
 void Metronome::OnEvent(lv_obj_t* obj, lv_event_t event) {

src/displayapp/screens/Metronome.h

@@ -11,7 +11,7 @@ namespace Pinetime {
       public:
         Metronome(DisplayApp* app, Controllers::MotorController& motorController, System::SystemTask& systemTask);
         ~Metronome() override;
-        bool Refresh() override;
+        void Refresh() override;
         void OnEvent(lv_obj_t* obj, lv_event_t event);
 
       private:
@@ -28,6 +28,8 @@ namespace Pinetime {
         lv_obj_t *bpmArc, *bpmTap, *bpmValue;
         lv_obj_t *bpbDropdown, *currentBpbText;
         lv_obj_t *playPause;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/Motion.cpp

@@ -36,13 +36,16 @@ Motion::Motion(Pinetime::Applications::DisplayApp* app, Controllers::MotionContr
   labelStep = lv_label_create(lv_scr_act(), NULL);
   lv_obj_align(labelStep, chart, LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
   lv_label_set_text(labelStep, "Steps ---");
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Motion::~Motion() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool Motion::Refresh() {
+void Motion::Refresh() {
   lv_chart_set_next(chart, ser1, motionController.X());
   lv_chart_set_next(chart, ser2, motionController.Y());
   lv_chart_set_next(chart, ser3, motionController.Z());
@@ -55,6 +58,4 @@ bool Motion::Refresh() {
                         motionController.Y() / 0x10,
                         motionController.Z() / 0x10);
   lv_obj_align(label, NULL, LV_ALIGN_IN_TOP_MID, 0, 10);
-
-  return running;
 }

src/displayapp/screens/Motion.h

@@ -17,7 +17,7 @@ namespace Pinetime {
         Motion(DisplayApp* app, Controllers::MotionController& motionController);
         ~Motion() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
       private:
         Controllers::MotionController& motionController;
@@ -28,6 +28,7 @@ namespace Pinetime {
         lv_obj_t* label;
 
         lv_obj_t* labelStep;
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/Music.cpp

@@ -139,14 +139,17 @@ Music::Music(Pinetime::Applications::DisplayApp* app, Pinetime::Controllers::Mus
   frameB = false;
 
   musicService.event(Controllers::MusicService::EVENT_MUSIC_OPEN);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Music::~Music() {
+  lv_task_del(taskRefresh);
   lv_style_reset(&btn_style);
   lv_obj_clean(lv_scr_act());
 }
 
-bool Music::Refresh() {
+void Music::Refresh() {
   if (artist != musicService.getArtist()) {
     artist = musicService.getArtist();
     currentLength = 0;
@@ -210,8 +213,6 @@ bool Music::Refresh() {
   } else {
     lv_label_set_text(txtPlayPause, Symbols::play);
   }
-
-  return running;
 }
 
 void Music::UpdateLength() {

src/displayapp/screens/Music.h

@@ -35,7 +35,7 @@ namespace Pinetime {
 
         ~Music() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
         void OnObjectEvent(lv_obj_t* obj, lv_event_t event);
 
@@ -79,6 +79,8 @@ namespace Pinetime {
 
         bool playing;
 
+        lv_task_t* taskRefresh;
+
         /** Watchapp */
       };
     }

src/displayapp/screens/Navigation.cpp

@@ -161,13 +161,16 @@ Navigation::Navigation(Pinetime::Applications::DisplayApp* app, Pinetime::Contro
   lv_bar_set_anim_time(barProgress, 500);
   lv_bar_set_range(barProgress, 0, 100);
   lv_bar_set_value(barProgress, 0, LV_ANIM_OFF);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Navigation::~Navigation() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool Navigation::Refresh() {
+void Navigation::Refresh() {
   if (flag != navService.getFlag()) {
     flag = navService.getFlag();
     lv_label_set_text(imgFlag, iconForName(flag));
@@ -192,8 +195,4 @@ bool Navigation::Refresh() {
       lv_obj_set_style_local_bg_color(barProgress, LV_BAR_PART_INDIC, LV_STATE_DEFAULT, LV_COLOR_ORANGE);
     }
   }
-
-  return running;
 }
-
-

src/displayapp/screens/Navigation.h

@@ -35,7 +35,7 @@ namespace Pinetime {
         Navigation(DisplayApp* app, Pinetime::Controllers::NavigationService& nav);
         ~Navigation() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
       private:
         lv_obj_t* imgFlag;
@@ -49,6 +49,8 @@ namespace Pinetime {
         std::string narrative;
         std::string manDist;
         int progress;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/Notifications.cpp

@@ -52,15 +52,18 @@ Notifications::Notifications(DisplayApp* app,
       timeoutTickCountEnd = timeoutTickCountStart + (5 * 1024);
     }
   }
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Notifications::~Notifications() {
+  lv_task_del(taskRefresh);
   // make sure we stop any vibrations before exiting
   Controllers::MotorController::StopRinging();
   lv_obj_clean(lv_scr_act());
 }
 
-bool Notifications::Refresh() {
+void Notifications::Refresh() {
   if (mode == Modes::Preview && timeoutLine != nullptr) {
     auto tick = xTaskGetTickCount();
     int32_t pos = 240 - ((tick - timeoutTickCountStart) / ((timeoutTickCountEnd - timeoutTickCountStart) / 240));
@@ -70,7 +73,7 @@ bool Notifications::Refresh() {
     timeoutLinePoints[1].x = pos;
     lv_line_set_points(timeoutLine, timeoutLinePoints, 2);
   }
-  return running && currentItem->IsRunning();
+  running = currentItem->IsRunning();
 }
 
 bool Notifications::OnTouchEvent(Pinetime::Applications::TouchEvents event) {

src/displayapp/screens/Notifications.h

@@ -24,7 +24,7 @@ namespace Pinetime {
                                Modes mode);
         ~Notifications() override;
 
-        bool Refresh() override;
+        void Refresh() override;
         bool OnTouchEvent(Pinetime::Applications::TouchEvents event) override;
 
         class NotificationItem {
@@ -79,6 +79,8 @@ namespace Pinetime {
         lv_obj_t* timeoutLine = nullptr;
         uint32_t timeoutTickCountStart;
         uint32_t timeoutTickCountEnd;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/Paddle.cpp

@@ -27,13 +27,16 @@ Paddle::Paddle(Pinetime::Applications::DisplayApp* app, Pinetime::Components::Li
   lv_obj_set_style_local_bg_color(ball, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
   lv_obj_set_style_local_radius(ball, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
   lv_obj_set_size(ball, ballSize, ballSize);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Paddle::~Paddle() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool Paddle::Refresh() {
+void Paddle::Refresh() {
   ballX += dx;
   ballY += dy;
 
@@ -65,7 +68,6 @@ bool Paddle::Refresh() {
     }
   }
   lv_label_set_text_fmt(points, "%04d", score);
-  return running;
 }
 
 bool Paddle::OnTouchEvent(Pinetime::Applications::TouchEvents event) {

src/displayapp/screens/Paddle.h

@@ -16,7 +16,7 @@ namespace Pinetime {
         Paddle(DisplayApp* app, Pinetime::Components::LittleVgl& lvgl);
         ~Paddle() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
         bool OnTouchEvent(TouchEvents event) override;
         bool OnTouchEvent(uint16_t x, uint16_t y) override;
@@ -40,6 +40,8 @@ namespace Pinetime {
         lv_obj_t* paddle;
         lv_obj_t* ball;
         lv_obj_t* background;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/PineTimeStyle.cpp

@@ -193,13 +193,17 @@ PineTimeStyle::PineTimeStyle(DisplayApp* app,
   lv_obj_set_size(backgroundLabel, 240, 240);
   lv_obj_set_pos(backgroundLabel, 0, 0);
   lv_label_set_text(backgroundLabel, "");
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
+  Refresh();
 }
 
 PineTimeStyle::~PineTimeStyle() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool PineTimeStyle::Refresh() {
+void PineTimeStyle::Refresh() {
   batteryPercentRemaining = batteryController.PercentRemaining();
   if (batteryPercentRemaining.IsUpdated()) {
     auto batteryPercent = batteryPercentRemaining.Get();
@@ -303,6 +307,4 @@ bool PineTimeStyle::Refresh() {
       lv_obj_set_style_local_scale_grad_color(stepGauge, LV_GAUGE_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
     }
   }
-
-  return running;
 }

src/displayapp/screens/PineTimeStyle.h

@@ -30,7 +30,7 @@ namespace Pinetime {
                       Controllers::MotionController& motionController);
         ~PineTimeStyle() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
       private:
         char displayedChar[5];
@@ -75,6 +75,8 @@ namespace Pinetime {
         Controllers::NotificationManager& notificatioManager;
         Controllers::Settings& settingsController;
         Controllers::MotionController& motionController;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/Screen.cpp

@@ -1,2 +1,6 @@
 #include "Screen.h"
 using namespace Pinetime::Applications::Screens;
+
+void Screen::RefreshTaskCallback(lv_task_t* task) {
+  static_cast<Screen*>(task->user_data)->Refresh();
+}

src/displayapp/screens/Screen.h

@@ -2,6 +2,7 @@
 
 #include <cstdint>
 #include "../TouchEvents.h"
+#include <lvgl/lvgl.h>
 
 namespace Pinetime {
   namespace Applications {
@@ -38,25 +39,20 @@ namespace Pinetime {
       };
 
       class Screen {
+      private:
+        virtual void Refresh() {
+        }
+
       public:
         explicit Screen(DisplayApp* app) : app {app} {
         }
         virtual ~Screen() = default;
 
-        /**
-         * Most of the time, apps only react to events (touch events, for example).
-         * In this case you don't need to do anything in this method.
-         *
-         * For example, InfiniPaint does nothing in Refresh().
-         * But, if you want to update your display periodically, draw an animation...
-         * you cannot do it in a touch event handler because these handlers are not
-         * called if the user does not touch the screen.
-         *
-         * That's why Refresh() is there: update the display periodically.
-         *
-         * @return false if the app can be closed, true if it must continue to run
-         **/
-        virtual bool Refresh() = 0;
+        static void RefreshTaskCallback(lv_task_t* task);
+
+        bool IsRunning() const {
+          return running;
+        }
 
         /** @return false if the button hasn't been handled by the app, true if it has been handled */
         virtual bool OnButtonPushed() {

src/displayapp/screens/ScreenList.h

@@ -30,11 +30,6 @@ namespace Pinetime {
           lv_obj_clean(lv_scr_act());
         }
 
-        bool Refresh() override {
-          running = current->Refresh();
-          return running;
-        }
-
         bool OnTouchEvent(TouchEvents event) override {
 
           if (mode == ScreenListModes::UpDown) {

src/displayapp/screens/Steps.cpp

@@ -47,20 +47,20 @@ Steps::Steps(Pinetime::Applications::DisplayApp* app,
   lv_obj_set_size(backgroundLabel, 240, 240);
   lv_obj_set_pos(backgroundLabel, 0, 0);
   lv_label_set_text_static(backgroundLabel, "");
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, 100, LV_TASK_PRIO_MID, this);
 }
 
 Steps::~Steps() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool Steps::Refresh() {
-
+void Steps::Refresh() {
   stepsCount = motionController.NbSteps();
 
   lv_label_set_text_fmt(lSteps, "%li", stepsCount);
   lv_obj_align(lSteps, nullptr, LV_ALIGN_CENTER, 0, -20);
 
   lv_arc_set_value(stepsArc, int16_t(500 * stepsCount / settingsController.GetStepsGoal()));
-
-  return running;
 }

src/displayapp/screens/Steps.h

@@ -15,24 +15,23 @@ namespace Pinetime {
     namespace Screens {
 
       class Steps : public Screen {
-        public:
-          Steps(DisplayApp* app, Controllers::MotionController& motionController, Controllers::Settings &settingsController);
-          ~Steps() override;
+      public:
+        Steps(DisplayApp* app, Controllers::MotionController& motionController, Controllers::Settings& settingsController);
+        ~Steps() override;
 
-          bool Refresh() override;
+        void Refresh() override;
 
+      private:
+        Controllers::MotionController& motionController;
+        Controllers::Settings& settingsController;
 
-        private:          
+        lv_obj_t* lSteps;
+        lv_obj_t* lStepsIcon;
+        lv_obj_t* stepsArc;
 
-          Controllers::MotionController& motionController;
-          Controllers::Settings& settingsController;
-
-          lv_obj_t * lSteps;
-          lv_obj_t * lStepsIcon;
-          lv_obj_t * stepsArc;
-
-          uint32_t stepsCount;
+        uint32_t stepsCount;
 
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/StopWatch.cpp

@@ -48,7 +48,6 @@ static void stop_lap_event_handler(lv_obj_t* obj, lv_event_t event) {
 StopWatch::StopWatch(DisplayApp* app, System::SystemTask& systemTask)
   : Screen(app),
     systemTask {systemTask},
-    running {true},
     currentState {States::Init},
     startTime {},
     oldTimeElapsed {},
@@ -101,9 +100,12 @@ StopWatch::StopWatch(DisplayApp* app, System::SystemTask& systemTask)
   lv_obj_set_style_local_text_color(lapTwoText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
   lv_obj_align(lapTwoText, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 50, 55);
   lv_label_set_text(lapTwoText, "");
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 StopWatch::~StopWatch() {
+  lv_task_del(taskRefresh);
   systemTask.PushMessage(Pinetime::System::Messages::EnableSleeping);
   lv_obj_clean(lv_scr_act());
 }
@@ -149,7 +151,7 @@ void StopWatch::pause() {
   systemTask.PushMessage(Pinetime::System::Messages::EnableSleeping);
 }
 
-bool StopWatch::Refresh() {
+void StopWatch::Refresh() {
   if (currentState == States::Running) {
     timeElapsed = calculateDelta(startTime, xTaskGetTickCount());
     currentTimeSeparated = convertTicksToTimeSegments((oldTimeElapsed + timeElapsed));
@@ -157,7 +159,6 @@ bool StopWatch::Refresh() {
     lv_label_set_text_fmt(time, "%02d:%02d", currentTimeSeparated.mins, currentTimeSeparated.secs);
     lv_label_set_text_fmt(msecTime, "%02d", currentTimeSeparated.hundredths);
   }
-  return running;
 }
 
 void StopWatch::playPauseBtnEventHandler(lv_event_t event) {
@@ -196,8 +197,7 @@ void StopWatch::stopLapBtnEventHandler(lv_event_t event) {
 bool StopWatch::OnButtonPushed() {
   if (currentState == States::Running) {
     pause();
-  } else {
-    running = false;
+    return true;
   }
-  return true;
+  return false;
 }

src/displayapp/screens/StopWatch.h

@@ -64,7 +64,7 @@ namespace Pinetime::Applications::Screens {
   public:
     StopWatch(DisplayApp* app, System::SystemTask& systemTask);
     ~StopWatch() override;
-    bool Refresh() override;
+    void Refresh() override;
 
     void playPauseBtnEventHandler(lv_event_t event);
     void stopLapBtnEventHandler(lv_event_t event);
@@ -77,7 +77,6 @@ namespace Pinetime::Applications::Screens {
   private:
     Pinetime::System::SystemTask& systemTask;
     TickType_t timeElapsed;
-    bool running;
     States currentState;
     TickType_t startTime;
     TickType_t oldTimeElapsed;
@@ -86,5 +85,7 @@ namespace Pinetime::Applications::Screens {
     int lapNr = 0;
     lv_obj_t *time, *msecTime, *btnPlayPause, *btnStopLap, *txtPlayPause, *txtStopLap;
     lv_obj_t *lapOneText, *lapTwoText;
+
+    lv_task_t* taskRefresh;
   };
 }

src/displayapp/screens/SystemInfo.cpp

@@ -65,13 +65,6 @@ SystemInfo::~SystemInfo() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool SystemInfo::Refresh() {
-  if (running) {
-    screens.Refresh();
-  }
-  return running;
-}
-
 bool SystemInfo::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
   return screens.OnTouchEvent(event);
 }

src/displayapp/screens/SystemInfo.h

@@ -30,7 +30,6 @@ namespace Pinetime {
                             Pinetime::Drivers::WatchdogView& watchdog,
                             Pinetime::Controllers::MotionController& motionController);
         ~SystemInfo() override;
-        bool Refresh() override;
         bool OnTouchEvent(TouchEvents event) override;
 
       private:

src/displayapp/screens/Tile.cpp

@@ -123,10 +123,6 @@ void Tile::UpdateScreen() {
   lv_label_set_text(batteryIcon, BatteryIcon::GetBatteryIcon(batteryController.PercentRemaining()));
 }
 
-bool Tile::Refresh() {
-  return running;
-}
-
 void Tile::OnValueChangedEvent(lv_obj_t* obj, uint32_t buttonId) {
   if(obj != btnm1) return;
 

src/displayapp/screens/Tile.h

@@ -30,7 +30,6 @@ namespace Pinetime {
 
         ~Tile() override;
 
-        bool Refresh() override;
         void UpdateScreen();
         void OnValueChangedEvent(lv_obj_t* obj, uint32_t buttonId);
 

src/displayapp/screens/Timer.cpp

@@ -4,10 +4,8 @@
 #include "Symbols.h"
 #include "lvgl/lvgl.h"
 
-
 using namespace Pinetime::Applications::Screens;
 
-
 static void btnEventHandler(lv_obj_t* obj, lv_event_t event) {
   Timer* screen = static_cast<Timer*>(obj->user_data);
   screen->OnButtonEvent(obj, event);
@@ -49,14 +47,10 @@ void Timer::createButtons() {
   lv_obj_set_width(btnSecondsDown, 60);
   txtSDown = lv_label_create(btnSecondsDown, nullptr);
   lv_label_set_text(txtSDown, "-");
-  
 }
 
-
 Timer::Timer(DisplayApp* app, Controllers::TimerController& timerController)
-    : Screen(app),
-      running{true},
-      timerController{timerController} {
+  : Screen(app), running {true}, timerController {timerController} {
 
   time = lv_label_create(lv_scr_act(), nullptr);
   lv_obj_set_style_local_text_font(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_76);
@@ -80,19 +74,19 @@ Timer::Timer(DisplayApp* app, Controllers::TimerController& timerController)
     createButtons();
   }
 
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
 
 Timer::~Timer() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
-  
 }
 
-bool Timer::Refresh() {
+void Timer::Refresh() {
   if (timerController.IsRunning()) {
     uint32_t seconds = timerController.GetTimeRemaining() / 1000;
     lv_label_set_text_fmt(time, "%02lu:%02lu", seconds / 60, seconds % 60);
   }
-  return running;
 }
 
 void Timer::OnButtonEvent(lv_obj_t* obj, lv_event_t event) {
@@ -118,7 +112,6 @@ void Timer::OnButtonEvent(lv_obj_t* obj, lv_event_t event) {
         btnMinutesDown = nullptr;
         lv_obj_del(btnMinutesUp);
         btnMinutesUp = nullptr;
-        
       }
     } else {
       if (!timerController.IsRunning()) {
@@ -153,17 +146,12 @@ void Timer::OnButtonEvent(lv_obj_t* obj, lv_event_t event) {
             secondsToSet--;
           }
           lv_label_set_text_fmt(time, "%02d:%02d", minutesToSet, secondsToSet);
-          
         }
       }
-      
     }
-    
   }
-  
 }
 
-
 void Timer::setDone() {
   lv_label_set_text(time, "00:00");
   lv_label_set_text(txtPlayPause, Symbols::play);

src/displayapp/screens/Timer.h

@@ -9,26 +9,21 @@
 
 namespace Pinetime::Applications::Screens {
 
-  
   class Timer : public Screen {
   public:
-    
-    enum class Modes {
-      Normal, Done
-    };
+    enum class Modes { Normal, Done };
 
     Timer(DisplayApp* app, Controllers::TimerController& timerController);
 
     ~Timer() override;
 
-    bool Refresh() override;
+    void Refresh() override;
 
     void setDone();
 
     void OnButtonEvent(lv_obj_t* obj, lv_event_t event);
 
   private:
-    
     bool running;
     uint8_t secondsToSet = 0;
     uint8_t minutesToSet = 0;
@@ -36,7 +31,9 @@ namespace Pinetime::Applications::Screens {
 
     void createButtons();
 
-    lv_obj_t* time, * msecTime, * btnPlayPause, * txtPlayPause, * btnMinutesUp, * btnMinutesDown, * btnSecondsUp, * btnSecondsDown, * txtMUp,
-        * txtMDown, * txtSUp, * txtSDown;
+    lv_obj_t *time, *msecTime, *btnPlayPause, *txtPlayPause, *btnMinutesUp, *btnMinutesDown, *btnSecondsUp, *btnSecondsDown, *txtMUp,
+      *txtMDown, *txtSUp, *txtSDown;
+
+    lv_task_t* taskRefresh;
   };
 }

src/displayapp/screens/Twos.cpp

@@ -102,10 +102,6 @@ Twos::~Twos() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool Twos::Refresh() {
-  return running;
-}
-
 bool Twos::placeNewTile() {
   std::vector<std::pair<int, int>> availableCells;
   for (int row = 0; row < 4; row++) {

src/displayapp/screens/Twos.h

@@ -14,7 +14,6 @@ namespace Pinetime {
       public:
         Twos(DisplayApp* app);
         ~Twos() override;
-        bool Refresh() override;
 
         bool OnTouchEvent(TouchEvents event) override;
 

src/displayapp/screens/WatchFaceAnalog.cpp

@@ -118,10 +118,13 @@ WatchFaceAnalog::WatchFaceAnalog(Pinetime::Applications::DisplayApp* app,
   lv_style_set_line_rounded(&hour_line_style_trace, LV_STATE_DEFAULT, false);
   lv_obj_add_style(hour_body_trace, LV_LINE_PART_MAIN, &hour_line_style_trace);
 
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
   UpdateClock();
 }
 
 WatchFaceAnalog::~WatchFaceAnalog() {
+  lv_task_del(taskRefresh);
+
   lv_style_reset(&hour_line_style);
   lv_style_reset(&hour_line_style_trace);
   lv_style_reset(&minute_line_style);
@@ -173,7 +176,7 @@ void WatchFaceAnalog::UpdateClock() {
   }
 }
 
-bool WatchFaceAnalog::Refresh() {
+void WatchFaceAnalog::Refresh() {
   batteryPercentRemaining = batteryController.PercentRemaining();
   if (batteryPercentRemaining.IsUpdated()) {
     auto batteryPercent = batteryPercentRemaining.Get();
@@ -203,6 +206,4 @@ bool WatchFaceAnalog::Refresh() {
       currentDay = day;
     }
   }
-
-  return true;
 }

src/displayapp/screens/WatchFaceAnalog.h

@@ -32,7 +32,7 @@ namespace Pinetime {
 
         ~WatchFaceAnalog() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
       private:
         uint8_t sHour, sMinute, sSecond;
@@ -81,6 +81,8 @@ namespace Pinetime {
         Controllers::Settings& settingsController;
 
         void UpdateClock();
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/WatchFaceDigital.cpp

@@ -91,13 +91,17 @@ WatchFaceDigital::WatchFaceDigital(DisplayApp* app,
   lv_obj_set_style_local_text_color(stepIcon, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, lv_color_hex(0x00FFE7));
   lv_label_set_text(stepIcon, Symbols::shoe);
   lv_obj_align(stepIcon, stepValue, LV_ALIGN_OUT_LEFT_MID, -5, 0);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
+  Refresh();
 }
 
 WatchFaceDigital::~WatchFaceDigital() {
+  lv_task_del(taskRefresh);
   lv_obj_clean(lv_scr_act());
 }
 
-bool WatchFaceDigital::Refresh() {
+void WatchFaceDigital::Refresh() {
   batteryPercentRemaining = batteryController.PercentRemaining();
   if (batteryPercentRemaining.IsUpdated()) {
     auto batteryPercent = batteryPercentRemaining.Get();
@@ -219,6 +223,4 @@ bool WatchFaceDigital::Refresh() {
     lv_obj_align(stepValue, lv_scr_act(), LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
     lv_obj_align(stepIcon, stepValue, LV_ALIGN_OUT_LEFT_MID, -5, 0);
   }
-
-  return running;
 }

src/displayapp/screens/WatchFaceDigital.h

@@ -33,7 +33,7 @@ namespace Pinetime {
                          Controllers::MotionController& motionController);
         ~WatchFaceDigital() override;
 
-        bool Refresh() override;
+        void Refresh() override;
 
       private:
         char displayedChar[5] {};
@@ -72,6 +72,8 @@ namespace Pinetime {
         Controllers::Settings& settingsController;
         Controllers::HeartRateController& heartRateController;
         Controllers::MotionController& motionController;
+
+        lv_task_t* taskRefresh;
       };
     }
   }

src/displayapp/screens/settings/QuickSettings.cpp

@@ -156,7 +156,3 @@ void QuickSettings::OnButtonEvent(lv_obj_t* object, lv_event_t event) {
     app->StartApp(Apps::Settings, DisplayApp::FullRefreshDirections::Up);
   }
 }
-
-bool QuickSettings::Refresh() {
-  return running;
-}

src/displayapp/screens/settings/QuickSettings.h

@@ -27,8 +27,6 @@ namespace Pinetime {
 
         ~QuickSettings() override;
 
-        bool Refresh() override;
-
         void OnButtonEvent(lv_obj_t* object, lv_event_t event);
 
         void UpdateScreen();

src/displayapp/screens/settings/SettingDisplay.cpp

@@ -80,10 +80,6 @@ SettingDisplay::~SettingDisplay() {
   settingsController.SaveSettings();
 }
 
-bool SettingDisplay::Refresh() {
-  return running;
-}
-
 void SettingDisplay::UpdateSelected(lv_obj_t* object, lv_event_t event) {
   if (event == LV_EVENT_CLICKED) {
     for (int i = 0; i < optionsTotal; i++) {

src/displayapp/screens/settings/SettingDisplay.h

@@ -15,7 +15,6 @@ namespace Pinetime {
         SettingDisplay(DisplayApp* app, Pinetime::Controllers::Settings& settingsController);
         ~SettingDisplay() override;
 
-        bool Refresh() override;
         void UpdateSelected(lv_obj_t* object, lv_event_t event);
 
       private:

src/displayapp/screens/settings/SettingSteps.cpp

@@ -70,11 +70,6 @@ SettingSteps::~SettingSteps() {
   settingsController.SaveSettings();
 }
 
-bool SettingSteps::Refresh() {
-  return running;
-}
-
-
 void SettingSteps::UpdateSelected(lv_obj_t *object, lv_event_t event) {
   uint32_t value = settingsController.GetStepsGoal();
   if(object == btnPlus && (event == LV_EVENT_PRESSED)) {

src/displayapp/screens/settings/SettingSteps.h

@@ -10,22 +10,19 @@ namespace Pinetime {
   namespace Applications {
     namespace Screens {
 
-      class SettingSteps : public Screen{
-        public:
-          SettingSteps(DisplayApp* app, Pinetime::Controllers::Settings &settingsController);
-          ~SettingSteps() override;
+      class SettingSteps : public Screen {
+      public:
+        SettingSteps(DisplayApp* app, Pinetime::Controllers::Settings& settingsController);
+        ~SettingSteps() override;
 
-          bool Refresh() override;
-          void UpdateSelected(lv_obj_t *object, lv_event_t event);
+        void UpdateSelected(lv_obj_t* object, lv_event_t event);
 
-        private:          
-
-          Controllers::Settings& settingsController;
-
-          lv_obj_t * stepValue;
-          lv_obj_t * btnPlus;
-          lv_obj_t * btnMinus;
+      private:
+        Controllers::Settings& settingsController;
 
+        lv_obj_t* stepValue;
+        lv_obj_t* btnPlus;
+        lv_obj_t* btnMinus;
       };
     }
   }

src/displayapp/screens/settings/SettingTimeFormat.cpp

@@ -64,10 +64,6 @@ SettingTimeFormat::~SettingTimeFormat() {
   settingsController.SaveSettings();
 }
 
-bool SettingTimeFormat::Refresh() {
-  return running;
-}
-
 void SettingTimeFormat::UpdateSelected(lv_obj_t* object, lv_event_t event) {
   if (event == LV_EVENT_VALUE_CHANGED) {
     for (int i = 0; i < optionsTotal; i++) {

src/displayapp/screens/settings/SettingTimeFormat.h

@@ -15,7 +15,6 @@ namespace Pinetime {
         SettingTimeFormat(DisplayApp* app, Pinetime::Controllers::Settings& settingsController);
         ~SettingTimeFormat() override;
 
-        bool Refresh() override;
         void UpdateSelected(lv_obj_t* object, lv_event_t event);
 
       private:

src/displayapp/screens/settings/SettingWakeUp.cpp

@@ -72,10 +72,6 @@ SettingWakeUp::~SettingWakeUp() {
   settingsController.SaveSettings();
 }
 
-bool SettingWakeUp::Refresh() {
-  return running;
-}
-
 void SettingWakeUp::UpdateSelected(lv_obj_t* object, lv_event_t event) {
   using WakeUpMode = Pinetime::Controllers::Settings::WakeUpMode;
   if (event == LV_EVENT_VALUE_CHANGED && !ignoringEvents) {

src/displayapp/screens/settings/SettingWakeUp.h

@@ -15,7 +15,6 @@ namespace Pinetime {
         SettingWakeUp(DisplayApp* app, Pinetime::Controllers::Settings& settingsController);
         ~SettingWakeUp() override;
 
-        bool Refresh() override;
         void UpdateSelected(lv_obj_t* object, lv_event_t event);
 
       private:

src/displayapp/screens/settings/SettingWatchFace.cpp

@@ -75,10 +75,6 @@ SettingWatchFace::~SettingWatchFace() {
   settingsController.SaveSettings();
 }
 
-bool SettingWatchFace::Refresh() {
-  return running;
-}
-
 void SettingWatchFace::UpdateSelected(lv_obj_t* object, lv_event_t event) {
   if (event == LV_EVENT_VALUE_CHANGED) {
     for (uint8_t i = 0; i < optionsTotal; i++) {

src/displayapp/screens/settings/SettingWatchFace.h

@@ -15,7 +15,6 @@ namespace Pinetime {
         SettingWatchFace(DisplayApp* app, Pinetime::Controllers::Settings& settingsController);
         ~SettingWatchFace() override;
 
-        bool Refresh() override;
         void UpdateSelected(lv_obj_t* object, lv_event_t event);
 
       private:

src/displayapp/screens/settings/Settings.cpp

@@ -26,13 +26,6 @@ Settings::~Settings() {
   lv_obj_clean(lv_scr_act());
 }
 
-bool Settings::Refresh() {
-
-  if (running)
-    running = screens.Refresh();
-  return running;
-}
-
 bool Settings::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
   return screens.OnTouchEvent(event);
 }

src/displayapp/screens/settings/Settings.h

@@ -14,8 +14,6 @@ namespace Pinetime {
         Settings(DisplayApp* app, Pinetime::Controllers::Settings& settingsController);
         ~Settings() override;
 
-        bool Refresh() override;
-
         bool OnTouchEvent(Pinetime::Applications::TouchEvents event) override;
 
       private: