![image.png](/uploads/projects/icheima@vzsofu/a392d85440da688a6248d2eac3a5b31a.png)
![image.png](/uploads/projects/icheima@vzsofu/940cd9ddc4e89f9c81f57b48ed7248ea.png)
static lv_obj_t * page1;
static lv_obj_t* page2;
void show_page1(void);
void show_page2(void);
static void event_handler(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_target(e);
if(code == LV_EVENT_CLICKED) {
uint8_t data = lv_event_get_user_data(e);
switch (data)
{
case 1:
lv_disp_load_scr(page2);
break;
case 2:
lv_disp_load_scr(page1);
default:
break;
}
}
}
void show_page1(){
page1 = lv_obj_create(NULL);
// 2. 创建显示对象
lv_obj_t* obj = lv_obj_create(page1);
// 3. 给显示的对象指定样式
static lv_style_t style1;
lv_style_init(&style1);
lv_style_set_width(&style1, 150);
lv_style_set_height(&style1, 150);
lv_style_set_x(&style1, 30);
lv_style_set_y(&style1, 40);
lv_color_t color = lv_palette_main(LV_PALETTE_ORANGE);
lv_style_set_bg_color(&style1,color);
lv_style_set_radius(&style1, 20);
lv_obj_add_style(obj, &style1,0);
lv_obj_t* label = lv_label_create(obj);
lv_label_set_text(label,"PAGE1");
lv_obj_set_align(label,LV_ALIGN_CENTER);
lv_obj_add_event_cb(obj, event_handler, LV_EVENT_CLICKED, 1);
}
void show_page2(void)
{
page2 = lv_obj_create(NULL);
// 2. 创建显示对象
lv_obj_t* obj = lv_obj_create(page2);
// 3. 给显示的对象指定样式
static lv_style_t style1;
lv_style_init(&style1);
lv_style_set_width(&style1, 150);
lv_style_set_height(&style1, 150);
lv_style_set_x(&style1, 30);
lv_style_set_y(&style1, 40);
lv_color_t color = lv_palette_main(LV_PALETTE_PINK);
lv_style_set_bg_color(&style1,color);
lv_style_set_radius(&style1, 20);
lv_obj_add_style(obj, &style1,0);
lv_obj_t* label = lv_label_create(obj);
lv_label_set_text(label,"PAGE2");
lv_obj_set_align(label,LV_ALIGN_CENTER);
lv_obj_add_event_cb(obj, event_handler, LV_EVENT_CLICKED, 2);
}