lv scr | CRASH when change screen with animation lv scr 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). To get the active screen, use lv_scr_act(). These functions work on the default display.
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0 · How to switch screens correctly?
1 · Displays — LVGL documentation
2 · CRASH when change screen with animation
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A screen can be created from any object type but, the two most typical types are the Base object and the Image (to create a wallpaper). To create a screen, use lv_obj_t * scr = .I am using lv_scr_load_anim () for change screen with fade animation. When animation has .
How to switch screens correctly?
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). To get the active .
I want to know the correct way to switch screens because my device often crashes when performing repeated switching, and I don’t know the reason. I do a simple test, which .
A screen can be created from any object type but, the two most typical types are the Base object and the Image (to create a wallpaper). 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 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). To get the active screen, use lv_scr_act(). These functions work on the default display. I want to know the correct way to switch screens because my device often crashes when performing repeated switching, and I don’t know the reason. I do a simple test, which demonstrated my implementation methods and they were fine. I am using lv_scr_load_anim () for change screen with fade animation. When animation has done, in scr_anim_ready (), I continue to change to other screen as below illustration. Start screen ---- (anim without delay)—> A screen ---- (anim with delay)—> B screen.
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? This post is going to be a tutorial – how to use LVGL (Light and Versatile Graphics Library) with an ESP-32 microprocessor running Arduino framework. Each display can have many screen objects, and the current active one is accessed by the field act_scr of the display object. You can manipulate screen objects by these APIs. Get the active screen lv_scr_act() 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_
A screen can be created from any object type but the two most typical types are the Base object and the Image (to create a wallpaper). 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).
LVGL V8.1 - lv_scr_load_anim works perfectly for the most part, but it can on ocation cause LVGL to freeze, which in the end makes the MCU reboot (crash). It happens most likely because the object that's being deleted is still being "used" in the animation transition.A screen can be created from any object type but, the two most typical types are the Base object and the Image (to create a wallpaper). 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 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). To get the active screen, use lv_scr_act(). These functions work on the default display.
I want to know the correct way to switch screens because my device often crashes when performing repeated switching, and I don’t know the reason. I do a simple test, which demonstrated my implementation methods and they were fine.
I am using lv_scr_load_anim () for change screen with fade animation. When animation has done, in scr_anim_ready (), I continue to change to other screen as below illustration. Start screen ---- (anim without delay)—> A screen ---- (anim with delay)—> B screen. 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? This post is going to be a tutorial – how to use LVGL (Light and Versatile Graphics Library) with an ESP-32 microprocessor running Arduino framework.
Displays — LVGL documentation
CRASH when change screen with animation
Each display can have many screen objects, and the current active one is accessed by the field act_scr of the display object. You can manipulate screen objects by these APIs. Get the active screen lv_scr_act()
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_A screen can be created from any object type but the two most typical types are the Base object and the Image (to create a wallpaper). 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).
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lv scr|CRASH when change screen with animation
