Final updates

CHANGELOG.md

@@ -7,6 +7,7 @@
 * SubGhz: Nero Radio 57bit **experimental** support + encoder improvements and decoder changes
 * SubGhz: Fix RAW recording and reading, (bug where raw file plays endlessly) (Fixes issue #431)
 * SubGHz Remote: Add Alutech AT4N Support, fix some issues
+* Power GUI: Changing battery style doesnt require reboot (Added API to trigger UI change from different place) (Inspired by @ESurge work)
 * Plugins: BLE Remote -> Keynote with vertical layout (by @Kami-no | PR #428)
 * Plugins: Improve wifi marauder keyboard (added extra symbols!) (Port uart terminal keyboard into wifi marauder)
 * Infrared: Update universal remote assets (by @amec0e | PR #421)

applications/services/power/power_service/power.c

@@ -399,6 +399,18 @@ static void power_check_battery_level_change(Power* power) {
     }
 }
 
+void power_trigger_ui_update(Power* power) {
+    DesktopSettings* settings = malloc(sizeof(DesktopSettings));
+    bool is_loaded = DESKTOP_SETTINGS_LOAD(settings);
+    if(is_loaded) {
+        power->displayBatteryPercentage = settings->displayBatteryPercentage;
+    } else {
+        power->displayBatteryPercentage = DISPLAY_BATTERY_BAR;
+    }
+    free(settings);
+    view_port_update(power->battery_view_port);
+}
+
 int32_t power_srv(void* p) {
     UNUSED(p);
 
@@ -431,10 +443,6 @@ int32_t power_srv(void* p) {
 
         // Update battery view port
         if(need_refresh) {
-            DesktopSettings* settings = malloc(sizeof(DesktopSettings));
-            DESKTOP_SETTINGS_LOAD(settings);
-            power->displayBatteryPercentage = settings->displayBatteryPercentage;
-            free(settings);
             view_port_update(power->battery_view_port);
         }
 

applications/services/power/power_service/power.h

@@ -94,6 +94,12 @@ bool power_is_battery_healthy(Power* power);
  */
 void power_enable_low_battery_level_notification(Power* power, bool enable);
 
+/** Trigger UI update for changing battery layout
+ *
+ * @param power     Power instance
+ */
+void power_trigger_ui_update(Power* power);
+
 #ifdef __cplusplus
 }
 #endif

applications/settings/desktop_settings/scenes/desktop_settings_scene_start.c

@@ -3,6 +3,7 @@
 
 #include "../desktop_settings_app.h"
 #include "desktop_settings_scene.h"
+#include <power/power_service/power.h>
 
 #define SCENE_EVENT_SELECT_FAVORITE_PRIMARY 0
 #define SCENE_EVENT_SELECT_FAVORITE_SECONDARY 1
@@ -169,4 +170,9 @@ void desktop_settings_scene_start_on_exit(void* context) {
     DesktopSettingsApp* app = context;
     variable_item_list_reset(app->variable_item_list);
     DESKTOP_SETTINGS_SAVE(&app->settings);
+
+    // Trigger UI update in case we changed battery layout
+    Power* power = furi_record_open(RECORD_POWER);
+    power_trigger_ui_update(power);
+    furi_record_close(RECORD_POWER);
 }

firmware/targets/f7/api_symbols.csv

@@ -2173,6 +2173,7 @@ Function,+,power_get_pubsub,FuriPubSub*,Power*
 Function,+,power_is_battery_healthy,_Bool,Power*
 Function,+,power_off,void,Power*
 Function,+,power_reboot,void,PowerBootMode
+Function,+,power_trigger_ui_update,void,Power*
 Function,+,powf,float,"float, float"
 Function,-,powl,long double,"long double, long double"
 Function,+,pretty_format_bytes_hex_canonical,void,"FuriString*, size_t, const char*, const uint8_t*, size_t"