Spinner (lv_spinner)
Overview
The Spinner object is a spinning arc over a ring.
Parts and Styles
The parts are identical to the parts of Arc (lv_arc).
Usage
Create a spinner
To create a spinner use lv_spinner_create(parent).
Using lv_spinner_set_anim_params(spinner, spin_duration, angle) the duration of one revolution and the length of he arc can be customized.
Events
No special events are sent to the Spinner.
See the events of the Arc too.
Learn more about Events.
Keys
No Keys are processed by the object type.
Learn more about Keys.
Example
Simple spinner
C code
View on GitHub#include "../../lv_examples.h"
#if LV_USE_SPINNER && LV_BUILD_EXAMPLES
void lv_example_spinner_1(void)
{
/*Create a spinner*/
lv_obj_t * spinner = lv_spinner_create(lv_screen_active());
lv_obj_set_size(spinner, 100, 100);
lv_obj_center(spinner);
lv_spinner_set_anim_params(spinner, 10000, 200);
}
#endif