LV_IMG_DECLARE(gnd_img);
    LV_IMG_DECLARE(bt_img);
    LV_IMG_DECLARE(gnd_balance_img);
    LV_IMG_DECLARE(power_img);
    LV_IMG_DECLARE(speed_img);
    LV_IMG_DECLARE(separation_img);
    LV_IMG_DECLARE(move_fix_img);
    LV_IMG_DECLARE(back_img);
    LV_IMG_DECLARE(vol_img);
    LV_IMG_DECLARE(light_img);
    /*bt IMG*/
    lv_obj_t * btimg = lv_img_create(lv_scr_act(), NULL);
    lv_img_set_src(btimg, &bt_img);
    lv_obj_set_pos(btimg, 10, 10);

/*styles*/

    static lv_style_t bg_style;
    lv_style_copy(&bg_style, &lv_style_pretty);
    bg_style.body.main_color = LV_COLOR_WHITE;
    bg_style.body.grad_color = LV_COLOR_HEX3(0xddd);
    bg_style.body.border.width = 0;
    bg_style.text.line_space = 20;
    bg_style.text.opa = LV_OPA_40;

    static lv_style_t sel_style;
    lv_style_copy(&sel_style, &lv_style_pretty);
    sel_style.body.empty = 1;
    sel_style.body.radius = LV_RADIUS_CIRCLE;
    sel_style.text.color = LV_COLOR_BLUE;

    static lv_style_t button_style;
    lv_style_copy(&button_style, &lv_style_plain);
    button_style.body.main_color = LV_COLOR_WHITE;
    button_style.body.grad_color = LV_COLOR_WHITE;
    button_style.body.radius = 1;
    button_style.body.border.color = LV_COLOR_GRAY;
    button_style.body.border.width =0;
    button_style.body.border.opa = LV_OPA_100;
    button_style.body.padding.hor = 1;
    button_style.body.padding.ver = 1;
    button_style.text.color = LV_COLOR_RED;
/*---*/



/*gnd but*/
     lv_obj_t *  gndbtn = lv_imgbtn_create(lv_scr_act(), NULL);
     lv_obj_set_pos(gndbtn, 10, 90);
     lv_imgbtn_set_src(gndbtn, LV_BTN_STATE_REL, &gnd_img);
     lv_group_add_obj(g, gndbtn);
/*gnd_roller*/
     lv_obj_t *gnd_roller = lv_roller_create(lv_scr_act(), NULL);
     lv_roller_set_options(gnd_roller, "0\n"
                               "1\n"
                               "2\n"
                               "3\n"
                               "4\n"
                               "5\n"
                               "6\n"
                               "7\n"
                               "8\n"
                               "9");
     // lv_roller_set_style(gnd_roller, LV_ROLLER_STYLE_BG, &bg_style);
     // lv_roller_set_selected(gnd_roller, 3, false);
     // lv_roller_set_style(gnd_roller, LV_ROLLER_STYLE_SEL, &sel_style);
     // lv_roller_set_visible_row_count(gnd_roller, 2);
      lv_roller_set_hor_fit(gnd_roller, false);
      lv_obj_set_width(gnd_roller, 20);
      lv_obj_set_height(gnd_roller, 43);
      lv_obj_set_pos(gnd_roller, 65, 90);
      lv_group_add_obj(g, gnd_roller);
/*bgnd but*/
      lv_obj_t *  bgndbtn = lv_imgbtn_create(lv_scr_act(), NULL);
      lv_obj_set_pos(bgndbtn, 10, 140);
      lv_imgbtn_set_src(bgndbtn, LV_BTN_STATE_REL, &gnd_balance_img);
      lv_group_add_obj(g, bgndbtn);
/*bgnd roller*/
      lv_obj_t *bgnd_roller = lv_roller_create(lv_scr_act(), NULL);
      lv_roller_set_options(bgnd_roller, "0\n"
                               "1\n"
                               "2\n"
                               "3\n"
                               "4\n"
                               "5\n"
                               "6\n"
                               "7\n"
                               "8\n"
                               "9");
 // lv_roller_set_style(bgnd_roller, LV_ROLLER_STYLE_BG, &bg_style);
 // lv_roller_set_selected(bgnd_roller, 3, false);
 // lv_roller_set_style(bgnd_roller, LV_ROLLER_STYLE_SEL, &sel_style);
 // lv_roller_set_visible_row_count(bgnd_roller, 2);
    lv_roller_set_hor_fit(bgnd_roller, false);
    lv_obj_set_width(bgnd_roller, 20);
    lv_obj_set_height(bgnd_roller, 43);
    lv_obj_set_pos(bgnd_roller, 65, 140);
    lv_group_add_obj(g, bgnd_roller);
/*pwr bt*/
     lv_obj_t *  pwrbtn = lv_imgbtn_create(lv_scr_act(), NULL);
     lv_obj_set_pos(pwrbtn, 10, 190);
     lv_imgbtn_set_src(pwrbtn, LV_BTN_STATE_REL, &power_img);
     lv_group_add_obj(g, pwrbtn);
/*roller*/
     lv_obj_t *pwr_roller = lv_roller_create(lv_scr_act(), NULL);
     lv_roller_set_options(pwr_roller, "0\n"
                               "1\n"
                               "2\n"
                               "3\n"
                               "4\n"
                               "5\n"
                               "6\n"
                               "7\n"
                               "8\n"
                               "9");
   // lv_roller_set_style(pwr_roller, LV_ROLLER_STYLE_BG, &bg_style);
   // lv_roller_set_selected(pwr_roller, 3, false);
   // lv_roller_set_style(pwr_roller, LV_ROLLER_STYLE_SEL, &sel_style);
   // lv_roller_set_visible_row_count(pwr_roller, 2);
      lv_roller_set_hor_fit(pwr_roller, false);
      lv_obj_set_width(pwr_roller, 20);
      lv_obj_set_height(pwr_roller, 40);
      lv_obj_set_pos(pwr_roller, 65, 190);
      lv_group_add_obj(g, pwr_roller);