219 lines
6.9 KiB
C
219 lines
6.9 KiB
C
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/**
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* @file lv_demo_music_list.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_demo_music_list.h"
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#if LV_USE_DEMO_MUSIC
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#include "lv_demo_music_main.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static lv_obj_t * add_list_btn(lv_obj_t * parent, uint32_t track_id);
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static void btn_click_event_cb(lv_event_t * e);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_obj_t * list;
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static const lv_font_t * font_small;
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static const lv_font_t * font_medium;
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static lv_style_t style_scrollbar;
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static lv_style_t style_btn;
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static lv_style_t style_btn_pr;
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static lv_style_t style_btn_chk;
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static lv_style_t style_btn_dis;
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static lv_style_t style_title;
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static lv_style_t style_artist;
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static lv_style_t style_time;
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LV_IMG_DECLARE(img_lv_demo_music_btn_list_play);
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LV_IMG_DECLARE(img_lv_demo_music_btn_list_pause);
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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lv_obj_t * _lv_demo_music_list_create(lv_obj_t * parent)
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{
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#if LV_DEMO_MUSIC_LARGE
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font_small = &lv_font_montserrat_16;
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font_medium = &lv_font_montserrat_22;
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#else
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font_small = &lv_font_montserrat_12;
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font_medium = &lv_font_montserrat_16;
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#endif
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lv_style_init(&style_scrollbar);
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lv_style_set_width(&style_scrollbar, 4);
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lv_style_set_bg_opa(&style_scrollbar, LV_OPA_COVER);
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lv_style_set_bg_color(&style_scrollbar, lv_color_hex3(0xeee));
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lv_style_set_radius(&style_scrollbar, LV_RADIUS_CIRCLE);
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lv_style_set_pad_right(&style_scrollbar, 4);
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static const lv_coord_t grid_cols[] = {LV_GRID_CONTENT, LV_GRID_FR(1), LV_GRID_CONTENT, LV_GRID_TEMPLATE_LAST};
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#if LV_DEMO_MUSIC_LARGE
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static const lv_coord_t grid_rows[] = {35, 30, LV_GRID_TEMPLATE_LAST};
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#else
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static const lv_coord_t grid_rows[] = {22, 17, LV_GRID_TEMPLATE_LAST};
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#endif
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lv_style_init(&style_btn);
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lv_style_set_bg_opa(&style_btn, LV_OPA_TRANSP);
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lv_style_set_grid_column_dsc_array(&style_btn, grid_cols);
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lv_style_set_grid_row_dsc_array(&style_btn, grid_rows);
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lv_style_set_grid_row_align(&style_btn, LV_GRID_ALIGN_CENTER);
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lv_style_set_layout(&style_btn, LV_LAYOUT_GRID);
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#if LV_DEMO_MUSIC_LARGE
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lv_style_set_pad_right(&style_btn, 30);
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#else
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lv_style_set_pad_right(&style_btn, 20);
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#endif
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lv_style_init(&style_btn_pr);
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lv_style_set_bg_opa(&style_btn_pr, LV_OPA_COVER);
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lv_style_set_bg_color(&style_btn_pr, lv_color_hex(0x4c4965));
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lv_style_init(&style_btn_chk);
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lv_style_set_bg_opa(&style_btn_chk, LV_OPA_COVER);
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lv_style_set_bg_color(&style_btn_chk, lv_color_hex(0x4c4965));
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lv_style_init(&style_btn_dis);
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lv_style_set_text_opa(&style_btn_dis, LV_OPA_40);
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lv_style_set_img_opa(&style_btn_dis, LV_OPA_40);
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lv_style_init(&style_title);
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lv_style_set_text_font(&style_title, font_medium);
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lv_style_set_text_color(&style_title, lv_color_hex(0xffffff));
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lv_style_init(&style_artist);
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lv_style_set_text_font(&style_artist, font_small);
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lv_style_set_text_color(&style_artist, lv_color_hex(0xb1b0be));
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lv_style_init(&style_time);
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lv_style_set_text_font(&style_time, font_medium);
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lv_style_set_text_color(&style_time, lv_color_hex(0xffffff));
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/*Create an empty transparent container*/
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list = lv_obj_create(parent);
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lv_obj_remove_style_all(list);
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lv_obj_set_size(list, LV_HOR_RES, LV_VER_RES - LV_DEMO_MUSIC_HANDLE_SIZE);
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lv_obj_set_y(list, LV_DEMO_MUSIC_HANDLE_SIZE);
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lv_obj_add_style(list, &style_scrollbar, LV_PART_SCROLLBAR);
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lv_obj_set_flex_flow(list, LV_FLEX_FLOW_COLUMN);
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uint32_t track_id;
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for(track_id = 0; _lv_demo_music_get_title(track_id); track_id++) {
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add_list_btn(list, track_id);
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}
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#if LV_DEMO_MUSIC_SQUARE || LV_DEMO_MUSIC_ROUND
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lv_obj_set_scroll_snap_y(list, LV_SCROLL_SNAP_CENTER);
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#endif
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_lv_demo_music_list_btn_check(0, true);
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return list;
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}
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void _lv_demo_music_list_btn_check(uint32_t track_id, bool state)
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{
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lv_obj_t * btn = lv_obj_get_child(list, track_id);
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lv_obj_t * icon = lv_obj_get_child(btn, 0);
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if(state) {
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lv_obj_add_state(btn, LV_STATE_CHECKED);
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lv_img_set_src(icon, &img_lv_demo_music_btn_list_pause);
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lv_obj_scroll_to_view(btn, LV_ANIM_ON);
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}
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else {
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lv_obj_clear_state(btn, LV_STATE_CHECKED);
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lv_img_set_src(icon, &img_lv_demo_music_btn_list_play);
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}
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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static lv_obj_t * add_list_btn(lv_obj_t * parent, uint32_t track_id)
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{
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uint32_t t = _lv_demo_music_get_track_length(track_id);
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char time[32];
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lv_snprintf(time, sizeof(time), "%"LV_PRIu32":%02"LV_PRIu32, t / 60, t % 60);
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const char * title = _lv_demo_music_get_title(track_id);
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const char * artist = _lv_demo_music_get_artist(track_id);
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lv_obj_t * btn = lv_obj_create(parent);
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lv_obj_remove_style_all(btn);
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#if LV_DEMO_MUSIC_LARGE
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lv_obj_set_size(btn, lv_pct(100), 110);
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#else
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lv_obj_set_size(btn, lv_pct(100), 60);
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#endif
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lv_obj_add_style(btn, &style_btn, 0);
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lv_obj_add_style(btn, &style_btn_pr, LV_STATE_PRESSED);
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lv_obj_add_style(btn, &style_btn_chk, LV_STATE_CHECKED);
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lv_obj_add_style(btn, &style_btn_dis, LV_STATE_DISABLED);
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lv_obj_add_event_cb(btn, btn_click_event_cb, LV_EVENT_CLICKED, NULL);
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if(track_id >= 3) {
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lv_obj_add_state(btn, LV_STATE_DISABLED);
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}
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lv_obj_t * icon = lv_img_create(btn);
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lv_img_set_src(icon, &img_lv_demo_music_btn_list_play);
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lv_obj_set_grid_cell(icon, LV_GRID_ALIGN_START, 0, 1, LV_GRID_ALIGN_CENTER, 0, 2);
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lv_obj_t * title_label = lv_label_create(btn);
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lv_label_set_text(title_label, title);
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lv_obj_set_grid_cell(title_label, LV_GRID_ALIGN_START, 1, 1, LV_GRID_ALIGN_CENTER, 0, 1);
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lv_obj_add_style(title_label, &style_title, 0);
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lv_obj_t * artist_label = lv_label_create(btn);
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lv_label_set_text(artist_label, artist);
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lv_obj_add_style(artist_label, &style_artist, 0);
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lv_obj_set_grid_cell(artist_label, LV_GRID_ALIGN_START, 1, 1, LV_GRID_ALIGN_CENTER, 1, 1);
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lv_obj_t * time_label = lv_label_create(btn);
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lv_label_set_text(time_label, time);
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lv_obj_add_style(time_label, &style_time, 0);
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lv_obj_set_grid_cell(time_label, LV_GRID_ALIGN_END, 2, 1, LV_GRID_ALIGN_CENTER, 0, 2);
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LV_IMG_DECLARE(img_lv_demo_music_list_border);
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lv_obj_t * border = lv_img_create(btn);
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lv_img_set_src(border, &img_lv_demo_music_list_border);
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lv_obj_set_width(border, lv_pct(120));
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lv_obj_align(border, LV_ALIGN_BOTTOM_MID, 0, 0);
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lv_obj_add_flag(border, LV_OBJ_FLAG_IGNORE_LAYOUT);
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return btn;
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}
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static void btn_click_event_cb(lv_event_t * e)
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{
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lv_obj_t * btn = lv_event_get_target(e);
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uint32_t idx = lv_obj_get_child_id(btn);
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_lv_demo_music_play(idx);
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}
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#endif /*LV_USE_DEMO_MUSIC*/
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