Fade in checkmark for material theme
@@ -620,6 +620,9 @@ static void checkbox_init(void)
lv_style_set_radius(&styles->cb_bullet, LV_STATE_DEFAULT, LV_DPX(4));
lv_style_set_pattern_image(&styles->cb_bullet, LV_STATE_CHECKED, LV_SYMBOL_OK);
lv_style_set_pattern_recolor(&styles->cb_bullet, LV_STATE_CHECKED, LV_COLOR_WHITE);
+ lv_style_set_pattern_opa(&styles->cb_bullet, LV_STATE_DEFAULT, LV_OPA_TRANSP);
+ lv_style_set_pattern_opa(&styles->cb_bullet, LV_STATE_CHECKED, LV_OPA_COVER);
+ lv_style_set_transition_prop_3(&styles->cb_bullet, LV_STATE_DEFAULT, LV_STYLE_PATTERN_OPA);
lv_style_set_text_font(&styles->cb_bullet, LV_STATE_CHECKED, theme.font_small);
lv_style_set_pad_left(&styles->cb_bullet, LV_STATE_DEFAULT, LV_DPX(3));
lv_style_set_pad_right(&styles->cb_bullet, LV_STATE_DEFAULT, LV_DPX(3));
