lv scr The problem is, that the d->scr_to_load is NULL (in your case), which leads to the . How to tell if Louis Vuitton is real (or fake) Bags: Check the “LOUIS VUITTON ®” inscription engraved in leather. Fake bags always have thicker text. Footwear: Verify the inscriptions on the soles. Fake shoes always have too little space in-between the text. Clothing: Look at the wash tags. A fake Louis Vuitton always has very thick prints.
0 · lvgl scr to load not working
1 · lvgl scr to load
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lv scr*******To create a screen, use lv_obj_t * scr = lv_
_create(NULL). NULL indicates no parent. To load a screen, use lv_screen_load (scr). To get the active screen, use .The problem is, that the d->scr_to_load is NULL (in your case), which leads to the .lv scr lvgl scr to load not workingWhen you have created a screen like lv_obj_t * screen = lv_obj_create(NULL), .To create a screen, use lv_obj_t * scr = lv__create(NULL, copy). copy .To create a screen, use lv_obj_t * scr = lv__create(NULL, copy). copy can be an existing screen copied into the new screen. To load a screen, use lv_scr_load(scr) .
The problem is, that the d->scr_to_load is NULL (in your case), which leads to the error. A quick fix would be to add a check for d->scr_to_load to the if: So for lvgl .
when using lv_obj_clean(lv_scr_act()) to clean the whole screen, the littlevgl inserts a blank screen that causing a flash. How to solve it? lv_obj_is_valid is good to use for debugging but can report objects as valid after they've been deleted. We could implement lv_obj_null_on_delete as was . lv_scr_load(screenMain); loads the main screen. So, if you upload current code to the ESP you should be able to see a screen like this: The function “lv_scr_load” is working well in my simulator. Can you show demo screen by calling “demo_create”? Maybe there are some problems when you . You can compare the return value from lv_scr_act() to the handle you use for that screen. Presumably have that defined somewhere. If you are using squareline .
To create a screen, use lv_obj_t * scr = lv__create(NULL, copy). copy can be an other screen to copy it. To load a screen, use lv_scr_load(scr). To get the active screen, .
When you have created a screen like lv_obj_t * screen = lv_obj_create(NULL), you can make it active with lv_scr_load(screen). The lv_scr_act() function gives you a pointer to .To create a screen, use lv_obj_t * scr = lv__create(NULL). NULL indicates no parent. To load a screen, use lv_screen_load (scr). To get the active screen, use lv_screen_active(). These functions work on the default display. If you want to specify which display to work on, use lv_display_get_screen_active (disp) and lv_display_load_screen .lv scrTo create a screen, use lv_obj_t * scr = lv__create(NULL, copy). copy can be an existing screen copied into the new screen. To load a screen, use lv_scr_load(scr) . The problem is, that the d->scr_to_load is NULL (in your case), which leads to the error. A quick fix would be to add a check for d->scr_to_load to the if: So for lvgl 7.8.1 line 220 in lv_disp.c would be when using lv_obj_clean(lv_scr_act()) to clean the whole screen, the littlevgl inserts a blank screen that causing a flash. How to solve it? lv_obj_is_valid is good to use for debugging but can report objects as valid after they've been deleted. We could implement lv_obj_null_on_delete as was mentioned in the discussion. lv_scr_load(screenMain); loads the main screen. So, if you upload current code to the ESP you should be able to see a screen like this: The function “lv_scr_load” is working well in my simulator. Can you show demo screen by calling “demo_create”? Maybe there are some problems when you porting the GUI, or some issues in your display driver. You can compare the return value from lv_scr_act() to the handle you use for that screen. Presumably have that defined somewhere. If you are using squareline studio these are defined automatically with the format ui_lvgl scr to load not workingTo create a screen, use lv_obj_t * scr = lv__create(NULL, copy). copy can be an other screen to copy it. To load a screen, use lv_scr_load(scr). To get the active screen, use lv_scr_act(). These functions works on the default display. If you want to to specify which display to work on, use lv_disp_get_scr_act(disp) and lv_disp_load_scr .When you have created a screen like lv_obj_t * screen = lv_obj_create(NULL), you can make it active with lv_scr_load(screen). The lv_scr_act() function gives you a pointer to the active screen.To create a screen, use lv_obj_t * scr = lv__create(NULL). NULL indicates no parent. To load a screen, use lv_screen_load (scr). To get the active screen, use lv_screen_active(). These functions work on the default display. If you want to specify which display to work on, use lv_display_get_screen_active (disp) and lv_display_load_screen .To create a screen, use lv_obj_t * scr = lv__create(NULL, copy). copy can be an existing screen copied into the new screen. To load a screen, use lv_scr_load(scr) . The problem is, that the d->scr_to_load is NULL (in your case), which leads to the error. A quick fix would be to add a check for d->scr_to_load to the if: So for lvgl 7.8.1 line 220 in lv_disp.c would be
when using lv_obj_clean(lv_scr_act()) to clean the whole screen, the littlevgl inserts a blank screen that causing a flash. How to solve it?
lv_obj_is_valid is good to use for debugging but can report objects as valid after they've been deleted. We could implement lv_obj_null_on_delete as was mentioned in the discussion. lv_scr_load(screenMain); loads the main screen. So, if you upload current code to the ESP you should be able to see a screen like this: The function “lv_scr_load” is working well in my simulator. Can you show demo screen by calling “demo_create”? Maybe there are some problems when you porting the GUI, or some issues in your display driver. You can compare the return value from lv_scr_act() to the handle you use for that screen. Presumably have that defined somewhere. If you are using squareline studio these are defined automatically with the format ui_
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lv scr|lvgl scr to load not working
