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Alejandro Guerrero 2026-09-27 17:21:39 +02:00
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38
libraries/lvgl/examples/widgets/btn/lv_example_btn_1.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_BTN && LV_BUILD_EXAMPLES
static void event_handler(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
if(code == LV_EVENT_CLICKED) {
LV_LOG_USER("Clicked");
}
else if(code == LV_EVENT_VALUE_CHANGED) {
LV_LOG_USER("Toggled");
}
}
void lv_example_btn_1(void)
{
lv_obj_t * label;
lv_obj_t * btn1 = lv_btn_create(lv_scr_act());
lv_obj_add_event_cb(btn1, event_handler, LV_EVENT_ALL, NULL);
lv_obj_align(btn1, LV_ALIGN_CENTER, 0, -40);
label = lv_label_create(btn1);
lv_label_set_text(label, "Button");
lv_obj_center(label);
lv_obj_t * btn2 = lv_btn_create(lv_scr_act());
lv_obj_add_event_cb(btn2, event_handler, LV_EVENT_ALL, NULL);
lv_obj_align(btn2, LV_ALIGN_CENTER, 0, 40);
lv_obj_add_flag(btn2, LV_OBJ_FLAG_CHECKABLE);
lv_obj_set_height(btn2, LV_SIZE_CONTENT);
label = lv_label_create(btn2);
lv_label_set_text(label, "Toggle");
lv_obj_center(label);
}
#endif