Moved to lvgl 9.4 because 9.5 has removed runtime xml support.

Made basic example of editing xml layout from backend.

Provider/sdkconfig.defaults

@@ -27,7 +27,6 @@ CONFIG_ETHERNET_SPI_POLLING0_MS=0
 
 # Enable PSRAM
 CONFIG_SPIRAM=y
-CONFIG_ESP32S3_SPIRAM_SUPPORT=y
 CONFIG_SPIRAM_MODE_OCT=y
 CONFIG_SPIRAM_SPEED_80M=y
 CONFIG_SPIRAM_FETCH_INSTRUCTIONS=y
@@ -36,6 +35,7 @@ CONFIG_SPIRAM_RODATA=y
 # LVGL Configuration
 CONFIG_LV_COLOR_DEPTH_8=y
 CONFIG_LV_USE_SYSMON=n
+CONFIG_LV_USE_OBJ_NAME=y
 
 # LVGL Memory Allocator (Use ESP-IDF Heap instead of internal 64kB BSS pool!)
 CONFIG_LV_USE_BUILTIN_MALLOC=n
@@ -52,7 +52,6 @@ CONFIG_LV_BUILD_DEMOS=n
 
 # Disable unused software drawing color formats (Only L8 and A8 matter for grayscale)
 CONFIG_LV_DRAW_SW_SUPPORT_RGB565=n
-CONFIG_LV_DRAW_SW_SUPPORT_RGB565_SWAPPED=n
 CONFIG_LV_DRAW_SW_SUPPORT_RGB565A8=n
 CONFIG_LV_DRAW_SW_SUPPORT_RGB888=n
 CONFIG_LV_DRAW_SW_SUPPORT_XRGB8888=n
@@ -78,13 +77,13 @@ CONFIG_LV_USE_SPINBOX=n
 CONFIG_LV_USE_SPINNER=n
 CONFIG_LV_USE_KEYBOARD=n
 CONFIG_LV_USE_CALENDAR=n
-CONFIG_LV_USE_CHECKBOX=n
+CONFIG_LV_USE_CHECKBOX=y
 CONFIG_LV_USE_DROPDOWN=n
 CONFIG_LV_USE_IMAGEBUTTON=n
 CONFIG_LV_USE_ROLLER=n
 CONFIG_LV_USE_SCALE=n
 CONFIG_LV_USE_SLIDER=n
-CONFIG_LV_USE_SWITCH=n
+CONFIG_LV_USE_SWITCH=y
 CONFIG_LV_USE_TEXTAREA=n
 CONFIG_LV_USE_TABLE=n
 
@@ -99,3 +98,4 @@ CONFIG_LV_USE_OBSERVER=n
 
 # Enable XML runtime for dynamic screen layouts (LVGL 9.4+)
 CONFIG_LV_USE_XML=y
+CONFIG_LV_USE_OBSERVER=y