#include "../ui.h" lv_obj_t *ui_Charging; lv_obj_t *ui_Charging_Logo; #define OUTLINE_W 80 //电池图标宽度 #define OUTLINE_H 40 //电池图标高度 void ui_event_Charging( lv_event_t * e) { lv_event_code_t event_code = lv_event_get_code(e); lv_obj_t * target = lv_event_get_target(e); if ( event_code == LV_EVENT_SCREEN_LOADED) { } if ( event_code == LV_EVENT_GESTURE && lv_indev_get_gesture_dir(lv_indev_get_act()) == LV_DIR_LEFT) { lv_indev_wait_release(lv_indev_get_act()); if(ui_Home){ _ui_screen_change( &ui_Home, LV_SCR_LOAD_ANIM_FADE_ON, 0, 0, &ui_Home_screen_init); } } } void lv_anim_cb(void* p, int32_t v) { //实现变色效果,电池电量低于20% 红色 static int32_t cnt; if (cnt >= OUTLINE_W * 0.2 && v < OUTLINE_W * 0.2) { lv_obj_set_style_bg_color(p, lv_color_hex(0xff0000), 0); } else if (v >= OUTLINE_W * 0.2 && cnt < OUTLINE_W * 0.2) { lv_obj_set_style_bg_color(p, lv_color_hex(0xff00), 0); } cnt = v; //修改电量颜色obj宽度 lv_obj_set_width(p, v); //修改电池百分比 lv_obj_t *text = lv_obj_get_child(lv_obj_get_parent(p), -1); lv_label_set_text_fmt(text, "%d", v*100/(OUTLINE_W-4)); } void ui_Charging_screen_init(void) { ui_Charging = lv_obj_create(NULL); lv_obj_clear_flag( ui_Charging, LV_OBJ_FLAG_SCROLLABLE ); /// Flags lv_obj_set_style_bg_color(ui_Charging, lv_color_hex(0xFFFFFF), LV_PART_MAIN | LV_STATE_DEFAULT ); lv_obj_set_style_bg_opa(ui_Charging, 255, LV_PART_MAIN| LV_STATE_DEFAULT); lv_obj_t* outline = lv_obj_create(ui_Charging); //设置border和pading lv_obj_set_style_border_width(outline, 2, 0); lv_obj_set_style_pad_all(outline, 0, 0); //设置圆角 lv_obj_set_style_radius(outline, 8, 0); //关闭滚动条 lv_obj_clear_flag(outline, LV_OBJ_FLAG_SCROLLABLE); //设置宽高 lv_obj_set_size(outline, OUTLINE_W, OUTLINE_H); //居中对齐 lv_obj_align(outline, LV_ALIGN_CENTER, 0, 0); //电池电量填充obj lv_obj_t* pad = lv_obj_create(outline); //设置outline lv_obj_set_style_outline_width(pad, 0, 0); lv_obj_set_style_outline_pad(pad, 0, 0); lv_obj_set_style_border_width(pad, 0, 0); //设置背景色 lv_obj_set_style_bg_color(pad, lv_color_hex(0xff0000), 0); //设置宽高 lv_obj_set_size(pad, OUTLINE_W, OUTLINE_H-4); lv_obj_set_style_border_width(pad, 0, 0); //设置圆角 lv_obj_set_style_radius(pad, 8, 0); //居中对齐 lv_obj_align(pad, LV_ALIGN_LEFT_MID, 0, 0); //关闭滚动条 lv_obj_clear_flag(pad, LV_OBJ_FLAG_SCROLLABLE); //电池百分比 lv_obj_t* label = lv_label_create(outline); lv_obj_align(label, LV_ALIGN_CENTER, 0, 0); //设置动画, 模仿电池电量变化 lv_anim_t a; lv_anim_init(&a); /*Set the "animator" function*/ lv_anim_set_exec_cb(&a, lv_anim_cb); /*Set the "animator" function*/ lv_anim_set_var(&a, pad); /*Length of the animation [ms]*/ lv_anim_set_time(&a, 10000); /*Set start and end values. E.g. 0, 150*/ lv_anim_set_values(&a, 0, OUTLINE_W-4); /*Time to wait before starting the animation [ms]*/ lv_anim_set_delay(&a, 1000); /*Play the animation backward too with this duration. Default is 0 (disabled) [ms]*/ lv_anim_set_playback_time(&a, 0); /*Delay before playback. Default is 0 (disabled) [ms]*/ lv_anim_set_playback_delay(&a, 0); /*Number of repetitions. Default is 1. LV_ANIM_REPEAT_INFINIT for infinite repetition*/ lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE); /*Delay before repeat. Default is 0 (disabled) [ms]*/ lv_anim_set_repeat_delay(&a, 1000); /* START THE ANIMATION *------------------*/ lv_anim_start(&a); /*Start the animation*/ lv_obj_add_event_cb(ui_Charging, ui_event_Charging, LV_EVENT_ALL, NULL); }