lvgl/examples/widgets/lottie/lv_example_lottie_2.c

#include "../../lv_examples.h"
#if LV_BUILD_EXAMPLES
#if LV_USE_LOTTIE

/**
 * Load an lottie animation from file
 */
void lv_example_lottie_2(void)
{

    lv_obj_t * lottie = lv_lottie_create(lv_screen_active());
    lv_lottie_set_src_file(lottie, "lvgl/examples/widgets/lottie/lv_example_lottie_approve.json");

#if LV_DRAW_BUF_ALIGN == 4 && LV_DRAW_BUF_STRIDE_ALIGN == 1
    /*If there are no special requirements, just declare a buffer
      x4 because the Lottie is rendered in ARGB8888 format*/
    static uint8_t buf[64 * 64 * 4];
    lv_lottie_set_buffer(lottie, 64, 64, buf);
#else
    /*For GPUs and special alignment/strid setting use a draw_buf instead*/
    LV_DRAW_BUF_DEFINE(draw_buf, 64, 64, LV_COLOR_FORMAT_ARGB8888);
    lv_lottie_set_draw_buf(lottie, &draw_buf);
#endif

    lv_obj_center(lottie);
}

#else

void lv_example_lottie_2(void)
{
    /*fallback for online examples*/

    lv_obj_t * label = lv_label_create(lv_screen_active());
    lv_label_set_text(label, "Lottie cannot be previewed online");
    lv_obj_center(label);
}

#endif /*LV_USE_LOTTIE*/

#endif /*LV_BUILD_EXAMPLES*/