源代码
//17.2 创建线表控件 /*Create a line meter */
lv_obj_t * lmeter;
lmeter = lv_lmeter_create(lv_scr_act(), NULL);
lv_lmeter_set_range(lmeter, 0, 100); /*Set the range*/
lv_lmeter_set_value(lmeter, 80); /*Set the current value*/
lv_lmeter_set_scale(lmeter, 240, 31); /*Set the angle and number of lines*/
lv_lmeter_set_style(lmeter, LV_LMETER_STYLE_MAIN, &style_lmeter); /*Apply the new style*/
lv_obj_set_size(lmeter, 150, 150);
lv_obj_align(lmeter, NULL, LV_ALIGN_CENTER, -180, 0);
效果显示