Lvgl buttton program output needed


What MCU/Processor/Board and compiler are you using?

imx7D Colibri

What LVGL version are you using?


What do you want to achieve?

i need to create one simple button

What have you tried so far?

last weel

when i go throught the documentation of lvgl i saw different different examples in that i took one button code from examples folder, there all are having code but not able to compile the where i have to button code for testing and let me know about makefile and process to get output of button

type or p#include "../../lv_examples.h"

static void event_handler(lv_event_t * e)
    lv_event_code_t code = lv_event_get_code(e);

    if(code == LV_EVENT_CLICKED) {
    else if(code == LV_EVENT_VALUE_CHANGED) {

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_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");
#endifaste code here

above code is available in button 1 program i need to get the output, what is the process i have to follow to get output and please provide the steps  as soon as possible

need zip file for button having toggle function
and display interface

Please attach the compiler log too.