From 135b1b2d9845e5da5ec4ac96b1ce303e596584a3 Mon Sep 17 00:00:00 2001
From: px4lqzo5h <2148135761@qq.com>
Date: Mon, 16 Dec 2024 14:15:32 +0800
Subject: [PATCH] Update AlbumSongAdapter.java

---
 .../musicplayer/adapter/AlbumSongAdapter.java | 62 ++++++++++++++++---
 1 file changed, 53 insertions(+), 9 deletions(-)

diff --git a/app/src/main/java/com/example/musicplayer/adapter/AlbumSongAdapter.java b/app/src/main/java/com/example/musicplayer/adapter/AlbumSongAdapter.java
index 392686d..1a198f1 100644
--- a/app/src/main/java/com/example/musicplayer/adapter/AlbumSongAdapter.java
+++ b/app/src/main/java/com/example/musicplayer/adapter/AlbumSongAdapter.java
@@ -17,34 +17,53 @@ import com.example.musicplayer.util.FileUtil;
 import java.util.List;
 
 /**
- * Created by 残渊 on 2018/11/27.
+ * AlbumSongAdapter 是一个继承自 RecyclerView.Adapter 的适配器类，用于展示专辑中的歌曲列表。
  */
-
 public class AlbumSongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
+    // 存储歌曲数据的列表
     private List<AlbumSong.DataBean.ListBean> mSongsBeanList;
+    // 记录上一次点击的位置
     private int mLastPosition = -1;
+    // 点击事件的回调接口
     private OnItemClickListener mSongClick;
+    // 歌曲类型的视图类型
     private final int songType = 1;
+    // 底部视图的类型
     private final int footerType = 2;
 
+    /**
+     * 构造函数，初始化歌曲列表。
+     * @param songsBeans 歌曲数据列表
+     */
     public AlbumSongAdapter(List<AlbumSong.DataBean.ListBean> songsBeans) {
         mSongsBeanList = songsBeans;
     }
 
+    /**
+     * 设置歌曲点击事件的回调接口。
+     * @param songClick 点击事件回调
+     */
     public void setSongClick(OnItemClickListener songClick) {
         mSongClick = songClick;
     }
 
+    /**
+     * 创建新的ViewHolder实例。
+     * @param parent 父布局
+     * @param viewType 视图类型
+     * @return 返回对应的ViewHolder
+     */
     @NonNull
     @Override
     public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        // 根据视图类型创建不同的ViewHolder
         if (viewType == songType) {
             View view = LayoutInflater.from(parent.getContext())
                     .inflate(R.layout.recycler_song_search_item, parent, false);
             ViewHolder viewHolder = new ViewHolder(view);
             return viewHolder;
-        }else{
+        } else {
             View view = LayoutInflater.from(parent.getContext())
                     .inflate(R.layout.footer_view_player_height, parent, false);
             FooterHolder footerHolder = new FooterHolder(view);
@@ -52,12 +71,18 @@ public class AlbumSongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
         }
     }
 
+    /**
+     * 将数据绑定到ViewHolder上。
+     * @param viewHolder 当前ViewHolder
+     * @param position 当前位置
+     */
     @Override
     public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, final int position) {
+        // 如果是歌曲类型的ViewHolder
         if (viewHolder instanceof ViewHolder) {
             ViewHolder holder = (ViewHolder) viewHolder;
             AlbumSong.DataBean.ListBean songsBean = mSongsBeanList.get(position);
-            //设置歌手，因为歌手可能有两个
+            // 设置歌手名称，可能包含多个歌手
             StringBuilder singer = new StringBuilder(songsBean.getSinger().get(0).getName());
             for (int i = 1; i < songsBean.getSinger().size(); i++) {
                 singer.append("、").append(songsBean.getSinger().get(i).getName());
@@ -65,8 +90,8 @@ public class AlbumSongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
             holder.artistTv.setText(singer.toString());
             holder.titleTv.setText(songsBean.getSongname());
             holder.mItemView.setBackgroundResource(R.color.translucent);
-            //根据点击显示
-                if(songsBean.getSongmid().equals(FileUtil.getSong().getSongId())){
+            // 根据当前播放的歌曲设置不同的显示效果
+            if(songsBean.getSongmid().equals(FileUtil.getSong().getSongId())){
                 holder.playLine.setVisibility(View.VISIBLE);
                 holder.titleTv.setTextColor(App.getContext().getResources().getColor(R.color.yellow));
                 holder.artistTv.setTextColor(App.getContext().getResources().getColor(R.color.yellow));
@@ -76,6 +101,7 @@ public class AlbumSongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
                 holder.titleTv.setTextColor(App.getContext().getResources().getColor(R.color.white));
                 holder.artistTv.setTextColor(App.getContext().getResources().getColor(R.color.white_blue));
             }
+            // 设置点击事件
             holder.mItemView.setOnRippleCompleteListener(rippleView -> {
                 mSongClick.onClick(position);
                 equalPosition(position);
@@ -83,16 +109,28 @@ public class AlbumSongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
         }
     }
 
-
+    /**
+     * 返回总的条目数，包括底部视图。
+     * @return 总条目数
+     */
     @Override
     public int getItemCount() {
         return mSongsBeanList.size() + 1;
     }
+
+    /**
+     * 根据位置返回不同的视图类型。
+     * @param position 位置
+     * @return 视图类型
+     */
     @Override
     public int getItemViewType(int position) {
         return position + 1 == getItemCount() ? footerType : songType;
     }
 
+    /**
+     * ViewHolder类，用于歌曲列表项。
+     */
     class ViewHolder extends RecyclerView.ViewHolder {
 
         TextView titleTv;
@@ -109,13 +147,19 @@ public class AlbumSongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
         }
     }
 
+    /**
+     * FooterHolder类，用于底部视图。
+     */
     class FooterHolder extends RecyclerView.ViewHolder {
         FooterHolder(View itemView) {
             super(itemView);
         }
     }
 
-    //判断点击的是否为上一个点击的项目
+    /**
+     * 处理点击事件，更新上一次点击的位置。
+     * @param position 当前点击的位置
+     */
     private void equalPosition(int position) {
         if (position != mLastPosition) {
             if (mLastPosition != -1) notifyItemChanged(mLastPosition);
@@ -123,4 +167,4 @@ public class AlbumSongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
         }
         notifyItemChanged(position);
     }
-}
+}
\ No newline at end of file