源代码

  /*Create styles for the keyboard*/
  static lv_style_t rel_style, pr_style;

  lv_style_copy(&rel_style, &lv_style_btn_rel);
  rel_style.body.radius = 0;
  rel_style.body.border.width = 1;

  lv_style_copy(&pr_style, &lv_style_btn_pr);
  pr_style.body.radius = 0;
  pr_style.body.border.width = 1;

  /*Create a keyboard and apply the styles*/
  lv_obj_t *kb = lv_kb_create(lv_scr_act(), NULL);
  lv_kb_set_cursor_manage(kb, true);
  lv_kb_set_style(kb, LV_KB_STYLE_BG, &lv_style_transp_tight);
  lv_kb_set_style(kb, LV_KB_STYLE_BTN_REL, &rel_style);
  lv_kb_set_style(kb, LV_KB_STYLE_BTN_PR, &pr_style);

  /*Create a text area. The keyboard will write here*/
  lv_obj_t *ta = lv_ta_create(lv_scr_act(), NULL);
  lv_obj_align(ta, NULL, LV_ALIGN_IN_TOP_MID, 0, 10);
  lv_ta_set_text(ta, "");

  /*Assign the text area to the keyboard*/
  lv_kb_set_ta(kb, ta);

效果显示

lvgl 键盘控件(lv_kb)与文本区域控件(lv_ta)_oo