实现背单词以及数据库的相关功能

app/src/main/assets/litepal.xml

+<?xml version="1.0" encoding="utf-8"?>
+<litepal>
+    <dbname value="WordBook" />
+    <version value="1" />
+    <list>
+        <mapping class="com.example.testapp.database.Word" />
+        <mapping class="com.example.testapp.database.Interpretation" />
+        <mapping class="com.example.testapp.database.Phrase" />
+        <mapping class="com.example.testapp.database.Sentence" />
+
+    </list>
+</litepal>
\ No newline at end of file

app/src/main/java/com/example/testapp/Adapter/BookListAdapter.java

+package com.example.testapp.Adapter;
+// 获取词书封面，标题，简介，下载状态。
+import static android.content.ContentValues.TAG;
+import static com.example.testapp.R.drawable.ic_collected;
+
+import android.content.Context;
+import android.net.Uri;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+import com.example.testapp.R;
+import com.example.testapp.bean.BookItemBean;
+
+import java.util.List;
+
+public class BookListAdapter extends RecyclerView.Adapter<BookListAdapter.InnerHolder> {
+    private final List<BookItemBean> mData;
+    public BookListAdapter(List<BookItemBean> data){
+        mData = data;
+    }
+    @Override
+    public InnerHolder onCreateViewHolder( ViewGroup parent, int viewType) {
+        //复用布局
+        View view = View.inflate(parent.getContext(),R.layout.word_book_card,null);
+        return new InnerHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull BookListAdapter.InnerHolder holder, int position) {
+        holder.setData(mData.get(position));
+    }
+
+    @Override
+    public int getItemCount() {
+        if(mData != null){
+            return mData.size();
+        }
+        return 0;
+    }
+
+    public class InnerHolder extends RecyclerView.ViewHolder {
+        View view;
+        ImageView imgView;
+        TextView name,introduce;
+        Button button;
+        public InnerHolder(@NonNull View itemView) {
+            super(itemView);
+            view = itemView;
+            imgView = view.findViewById(R.id.book_image);
+            name = view.findViewById(R.id.book_name);
+            introduce = view.findViewById(R.id.book_introduce);
+            button = view.findViewById(R.id.book_download);
+
+        }
+
+        public void setData(BookItemBean bean) {
+            Log.i(TAG, String.valueOf(Uri.parse(bean.BookImg)));
+            Glide.with(imgView).load(bean.BookImg).into(imgView);
+            //imgView.setImageURI(Uri.parse(bean.BookImg));
+            name.setText(bean.BookName);
+            introduce.setText(bean.BookIntroduce);
+
+
+        }
+    }
+}

app/src/main/java/com/example/testapp/Adapter/DetailPhraseAdapter.java

+package com.example.testapp.Adapter;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.testapp.R;
+import com.example.testapp.entity.ItemPhrase;
+
+
+import java.util.List;
+
+public class DetailPhraseAdapter extends RecyclerView.Adapter<DetailPhraseAdapter.ViewHolder> {
+
+    private List<ItemPhrase> mItemPhraseList;
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+
+        TextView textEn, textCn;
+
+        public ViewHolder(View itemView) {
+            super(itemView);
+            textEn = itemView.findViewById(R.id.text_wd_item_phrase_en);
+            textCn = itemView.findViewById(R.id.text_wd_item_phrase_cn);
+        }
+
+    }
+
+    public DetailPhraseAdapter(List<ItemPhrase> mItemPhraseList) {
+        this.mItemPhraseList = mItemPhraseList;
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_wd_phrase, parent, false);
+        final ViewHolder holder = new ViewHolder(view);
+        return holder;
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        ItemPhrase itemPhrase = mItemPhraseList.get(position);
+        holder.textCn.setText(itemPhrase.getCn());
+        holder.textEn.setText(itemPhrase.getEn());
+    }
+
+    @Override
+    public int getItemCount() {
+        return mItemPhraseList.size();
+    }
+
+}

app/src/main/java/com/example/testapp/Adapter/DetailSentenceAdapter.java

+package com.example.testapp.Adapter;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+
+import com.example.testapp.R;
+import com.example.testapp.Util.MediaHelper;
+import com.example.testapp.entity.ItemSentence;
+
+import java.util.List;
+
+public class DetailSentenceAdapter extends RecyclerView.Adapter<DetailSentenceAdapter.ViewHolder> {
+
+    private List<ItemSentence> mItemSentenceList;
+
+    private static final String TAG = "DetailSentenceAdapter";
+    
+    static class ViewHolder extends RecyclerView.ViewHolder {
+
+        ImageView imgVoice;
+        TextView textEn, textCn;
+
+        public ViewHolder(View itemView) {
+            super(itemView);
+            imgVoice = itemView.findViewById(R.id.img_wd_item_sentence_voice);
+            textEn = itemView.findViewById(R.id.text_wd_item_sen_en);
+            textCn = itemView.findViewById(R.id.text_wd_item_sen_cn);
+        }
+
+    }
+
+    public DetailSentenceAdapter(List<ItemSentence> mItemSentenceList) {
+        this.mItemSentenceList = mItemSentenceList;
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_wd_sentence, parent, false);
+        final ViewHolder holder = new ViewHolder(view);
+        holder.imgVoice.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                int position = holder.getAdapterPosition();
+                final ItemSentence itemSentence = mItemSentenceList.get(position);
+                // 播放
+                new Thread(new Runnable() {
+                    @Override
+                    public void run() {
+                        MediaHelper.play(itemSentence.getEn());
+                    }
+                }).start();
+                Log.d(TAG, itemSentence.getEn());
+            }
+        });
+        return holder;
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        ItemSentence itemSentence = mItemSentenceList.get(position);
+        holder.textCn.setText(itemSentence.getCn());
+        holder.textEn.setText(itemSentence.getEn());
+    }
+
+    @Override
+    public int getItemCount() {
+        return mItemSentenceList.size();
+    }
+
+}

app/src/main/java/com/example/testapp/LearnWordActivity.java

+package com.example.testapp;
+
+import android.app.ActivityOptions;
+import android.content.Intent;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.cardview.widget.CardView;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.testapp.Util.MediaHelper;
+import com.example.testapp.Util.TimeController;
+import com.example.testapp.database.Interpretation;
+import com.example.testapp.database.Sentence;
+import com.example.testapp.database.Word;
+import com.example.testapp.entity.ItemWordMeanChoice;
+
+
+import org.litepal.LitePal;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class LearnWordActivity extends AppCompatActivity implements View.OnClickListener{
+
+    private int NowId;
+
+    private RecyclerView recyclerView;
+
+    private RelativeLayout layoutDelete, layoutVoice, layoutTip;
+
+    private List<ItemWordMeanChoice> wordMeanChoices = new ArrayList<>();
+
+    private LinearLayout layoutBottomReview;
+
+    private LinearLayout layoutBottomLearn;
+
+    private TextView textWord, textWordPhone;
+
+    private TextView textLastWord, textLastWordMean;
+
+    private int[] randomId;
+
+    private RelativeLayout cardKnow, cardNotKnow, cardDark;
+
+    private CardView cardTip;
+
+    private TextView textTip;
+
+    // 记录上一个单词
+    public static String lastWord;
+    public static String lastWordMean;
+
+    private TextView textLearnNum, textReviewNum;
+
+
+    private static final String TAG = "LearnWordActivity";
+
+    public static boolean needUpdate = true;
+
+    // 学习时间记录
+    private long startTime = -1;
+
+    public static final String MODE_NAME = "learnmode";
+
+    public static final int MODE_GENERAL = 1;
+    public static final int MODE_ONCE = 2;
+
+    private int currentMode;
+
+    private String tipSentence;
+
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_learn_word);
+
+        init();
+        //寻找控件
+        NowId = 1;
+        setWord();
+
+
+
+    }
+
+    private void setWord() {
+        cardTip.setVisibility(View.INVISIBLE); //影藏句子提醒
+
+        List<Word> words = LitePal.where("wordId = ?", + NowId + "").find(Word.class);
+        Log.i(TAG, String.valueOf(words.toArray().length));
+        textWord.setText(words.get(0).getWord());
+        //查询提示的句子
+        List<Sentence> sentences = LitePal.where("wordId = ?", NowId + "").find(Sentence.class);
+        if (!sentences.isEmpty())
+            tipSentence = sentences.get(0).getEnSentence();
+    }
+
+    private void init() {
+        recyclerView = findViewById(R.id.recyclerview_word_mean);
+        layoutBottomReview = findViewById(R.id.layout_word_bottom);
+        layoutBottomLearn = findViewById(R.id.linear_learn_control);
+        textWord = findViewById(R.id.text_learn_word);
+        textWordPhone = findViewById(R.id.text_learn_word_phone);
+        cardDark = findViewById(R.id.card_dark);
+        cardDark.setOnClickListener(this);
+        cardKnow = findViewById(R.id.card_know);
+        cardKnow.setOnClickListener(this);
+        cardNotKnow = findViewById(R.id.card_no_know);
+        cardNotKnow.setOnClickListener(this);
+        textLearnNum = findViewById(R.id.text_new_num_top);
+        textReviewNum = findViewById(R.id.text_review_num_top);
+        textLastWord = findViewById(R.id.text_word_top);
+        textLastWordMean = findViewById(R.id.text_word_top_mean);
+        layoutTip = findViewById(R.id.layout_word_tip);
+        layoutTip.setOnClickListener(this);
+        layoutDelete = findViewById(R.id.layout_word_delete);
+        layoutDelete.setOnClickListener(this);
+        layoutVoice = findViewById(R.id.layout_word_voice);
+        layoutVoice.setOnClickListener(this);
+        cardTip = findViewById(R.id.card_lw_tip);
+        textTip = findViewById(R.id.text_lw_tip);
+    }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.card_dark:
+                if (!TextUtils.isEmpty(tipSentence.trim())) {
+                    textTip.setText(tipSentence);
+                    cardTip.setVisibility(View.VISIBLE);
+                    MediaHelper.play(tipSentence);
+                } else {
+                    Toast.makeText(this, "暂无提示", Toast.LENGTH_SHORT).show();
+                }
+                break;
+            case R.id.card_no_know:
+                WordDetailActivity.wordId = NowId;
+                Intent intent = new Intent();
+                intent.setClass(LearnWordActivity.this, WordDetailActivity.class);
+                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                intent.putExtra(WordDetailActivity.TYPE_NAME, WordDetailActivity.TYPE_LEARN);
+                startActivity(intent, ActivityOptions.makeSceneTransitionAnimation(LearnWordActivity.this).toBundle());
+                break;
+            case R.id.card_know:
+                NowId++;
+                setWord();
+                break;
+            case R.id.layout_word_tip:
+
+                break;
+            case R.id.layout_word_delete:
+                break;
+            case R.id.layout_word_voice:
+                MediaHelper.play(textWord.getText().toString());
+                break;
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+        Intent intent = new Intent(LearnWordActivity.this, MainActivity.class);
+        startActivity(intent);
+        MediaHelper.releasePlayer();
+        finish();
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+
+
+    }
+
+    private void showLearn() {
+        recyclerView.setVisibility(View.GONE);
+        layoutBottomReview.setVisibility(View.GONE);
+        layoutBottomLearn.setVisibility(View.VISIBLE);
+    }
+
+    private void showReview() {
+        recyclerView.setVisibility(View.VISIBLE);
+        layoutBottomReview.setVisibility(View.VISIBLE);
+        layoutBottomLearn.setVisibility(View.GONE);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+    }
+
+}

app/src/main/java/com/example/testapp/ReciteWord.java

+package com.example.testapp;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+public class ReciteWord extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_recite_word);
+    }
+}
\ No newline at end of file

app/src/main/java/com/example/testapp/TestActivity.java

+package com.example.testapp;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+
+import com.example.testapp.Util.JsonHelper;
+import com.example.testapp.bean.WordItem;
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.util.List;
+
+
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+public class TestActivity extends Activity {
+    Button buttonW;
+    Button buttonDownLoad;
+    EditText edt;
+    TextView textview;
+    String TAG = "TestActivity";
+    Boolean haveWrite = false;
+    String title;
+    String context;
+    private ProgressDialog progressDialog;
+    List<WordItem> words;
+    private Thread thread;
+
+
+    private final int FINISH = 1;
+    private final int DOWN_DONE = 2;
+
+
+    @SuppressLint("HandlerLeak")
+    private Handler handler = new Handler(Looper.getMainLooper()) {
+        @Override
+        public void handleMessage(@NonNull Message msg) {
+            switch (msg.what) {
+                case FINISH:
+                    progressDialog.dismiss();
+                    haveWrite = true;
+                    break;
+                case DOWN_DONE:
+                    progressDialog.setMessage("已下载完成，正在解压分析数据中...");
+                    break;
+            }
+        }
+    };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_test);
+        buttonW = findViewById(R.id.button1);
+        buttonDownLoad = findViewById(R.id.btn_download);
+        edt = findViewById(R.id.edt2);
+        textview = findViewById(R.id.textView);
+        buttonDownLoad.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                progressDialog = new ProgressDialog(TestActivity.this);
+                progressDialog.setTitle("请稍等");
+                progressDialog.setMessage("数据包正在下载中...");
+                progressDialog.setCancelable(false);
+                progressDialog.show();
+                String url = "https://nnggb.com/test/CET4luan_1.json";
+                DownJson(url);
+            }
+        });
+
+        buttonW.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(TestActivity.this,LearnWordActivity.class);
+                startActivity(intent);
+            }
+        });
+    }
+
+    private void DownJson(String url){
+        // 下载json并保存到数据库
+        new Handler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                // 开启线程分析数据
+                thread = new Thread(new Runnable() {
+                    @Override
+                    public void run() {
+                        try {
+                            Log.i(TAG, "开始网络线程");
+                            OkHttpClient client = new OkHttpClient();
+                            Request request = new Request.Builder()
+                                    .url(url)
+                                    .build();
+                            Response response = client.newCall(request).execute();
+                            Message message = new Message();
+                            String resStr = response.body().string();
+                            message.what = DOWN_DONE;
+                            handler.sendMessage(message);
+                            Log.i(TAG, "下载成功");
+                            String jsonStr = resStr.replace("\n{\"wordRank\"", ",{\"wordRank\"");
+                            String json = "[" + jsonStr.substring(0) + "]";  ////格式化为标准json数组格式
+                            Log.i(TAG, "开始解析json到数据库中>>>>");
+                            JsonHelper.analyseDefaultAndSave(json);
+
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                        Message message = new Message();
+                        message.what = FINISH;
+                        handler.sendMessage(message);
+                        Log.i(TAG, "json文件解析完成！");
+
+                    }
+                });
+                thread.start();
+            }
+        }, 500);
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/example/testapp/Util/JsonHelper.java

+package com.example.testapp.Util;
+
+import android.util.Log;
+
+import com.example.testapp.bean.JsonPhrase;
+import com.example.testapp.bean.JsonSentence;
+import com.example.testapp.bean.JsonTran;
+import com.example.testapp.bean.WordItem;
+import com.example.testapp.database.Interpretation;
+import com.example.testapp.database.Phrase;
+import com.example.testapp.database.Sentence;
+import com.example.testapp.database.Word;
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+
+import org.litepal.LitePal;
+
+import java.util.ArrayList;
+import java.util.List;
+
+// JSON工具类
+public class JsonHelper {
+
+    private static final String TAG = "JsonHelper";
+
+    // 采用Google的GSON开源框架
+    public static Gson gson = new Gson();
+
+    // 解析默认词库数据文件，并存放到数据库中
+    public static void analyseDefaultAndSave(String jsonContent) {
+        if (!LitePal.findAll(Word.class).isEmpty()) {
+            LitePal.deleteAll(Word.class);
+            LitePal.deleteAll(Interpretation.class);
+            LitePal.deleteAll(Phrase.class);
+            LitePal.deleteAll(Sentence.class);
+        }
+        // 解析的数据格式
+        List<JsonSentence> jsonSentences = new ArrayList<>();
+        List<JsonTran> jsonTrans = new ArrayList<>();
+        List<JsonPhrase>  jsonPhrases = new ArrayList<>();
+        List<WordItem> jsonWordList = gson.fromJson(jsonContent, new TypeToken<List<WordItem>>() {}.getType());
+        String word1 = jsonWordList.get(0).getHeadWord();
+        Log.i(TAG,word1);
+        for (WordItem jsonWord : jsonWordList) {
+            Log.i(TAG,jsonWord.getHeadWord());
+            Word word = new Word();
+            // 设置ID
+            word.setWordId(jsonWord.getWordRank());
+            // 设置单词
+            word.setWord(jsonWord.getHeadWord());
+            // 设置音标
+            if (jsonWord.getContent().getWord().getContent().getUkphone() != null) {
+                if (jsonWord.getContent().getWord().getContent().getUkphone().indexOf(";") == -1)
+                    word.setUkPhone("[;'" +
+                            ";]'" +
+                            "" + jsonWord.getContent().getWord().getContent().getUkphone() + "]");
+                else
+                    word.setUkPhone("[" + jsonWord.getContent().getWord().getContent().getUkphone().split(";")[0] + "]");
+            }
+            if (jsonWord.getContent().getWord().getContent().getUsphone() != null) {
+                if (jsonWord.getContent().getWord().getContent().getUsphone().indexOf(";") == -1)
+                    word.setUsPhone("[" + jsonWord.getContent().getWord().getContent().getUsphone() + "]");
+                else
+                    word.setUsPhone("[" + jsonWord.getContent().getWord().getContent().getUsphone().split(";")[0] + "]");
+            }
+            // 设置图片
+            if (jsonWord.getContent().getWord().getContent().getPicture() != null)
+                word.setPicAddress(jsonWord.getContent().getWord().getContent().getPicture());
+            // 设置巧记
+            if (jsonWord.getContent().getWord().getContent().getRemMethod() != null)
+                word.setRemMethod(jsonWord.getContent().getWord().getContent().getRemMethod().getVal());
+            // 设置归属书目
+            word.setBelongBook(jsonWord.getBookId());
+            // 保存
+            word.save();
+            /*至此，单词的基本内容已经保存，接下来把其他表的数据保存并绑定到这个单词上*/
+            // 设置短语
+            if (jsonWord.getContent().getWord().getContent().getPhrase() != null) {
+                jsonPhrases = jsonWord.getContent().getWord().getContent().getPhrase().getPhrases();
+                for (JsonPhrase jsonPhrase : jsonPhrases) {
+                    Phrase phrase = new Phrase();
+                    phrase.setChsPhrase(jsonPhrase.getpCn());
+                    phrase.setEnPhrase(jsonPhrase.getpContent());
+                    phrase.setWordId(jsonWord.getWordRank());
+                    phrase.save();
+                }
+            }
+            // 设置释义
+            jsonTrans = jsonWord.getContent().getWord().getContent().getTrans();
+            for (JsonTran jsonTran : jsonTrans) {
+                Interpretation interpretation = new Interpretation();
+                interpretation.setWordType(jsonTran.getPos());
+                interpretation.setCHSMeaning(jsonTran.getTranCn().replace("；；", ";").replace(",","，"));
+                interpretation.setENMeaning(jsonTran.getTranOther());
+                interpretation.setWordId(jsonWord.getWordRank());
+                interpretation.save();
+            }
+            // 设置例句
+            if (jsonWord.getContent().getWord().getContent().getSentence() != null) {
+                jsonSentences = jsonWord.getContent().getWord().getContent().getSentence().getSentences();
+                for (JsonSentence jsonSentence : jsonSentences) {
+                    Sentence sentence = new Sentence();
+                    sentence.setChsSentence(jsonSentence.getsCn());
+                    sentence.setEnSentence(jsonSentence.getsContent());
+                    sentence.setWordId(jsonWord.getWordRank());
+                    sentence.save();
+                }
+            }
+            // 清空数据，防止重复
+            jsonPhrases.clear();
+            jsonSentences.clear();
+            jsonTrans.clear();
+        }
+        Log.d(TAG, "analyseDefaultAndSave: ");
+    }
+
+}

app/src/main/java/com/example/testapp/Util/MediaHelper.java

+package com.example.testapp.Util;
+
+import android.content.res.AssetFileDescriptor;
+import android.media.MediaPlayer;
+
+import com.example.testapp.config.ConstantData;
+
+public class MediaHelper {
+
+    public static MediaPlayer mediaPlayer;
+
+    // 英文发音
+    public static final int ENGLISH_VOICE = 1;
+    // 美国发音
+    public static final int AMERICA_VOICE = 0;
+
+    // 默认
+    public static final int DEFAULT_VOICE = ENGLISH_VOICE;
+
+    private static final String TAG = "MediaHelper";
+
+    public static void play(int type, String wordName) {
+        if (mediaPlayer != null) {
+            releasePlayer();
+            mediaPlayer = new MediaPlayer();
+        } else
+            mediaPlayer = new MediaPlayer();
+        try {
+            if (ENGLISH_VOICE == type)
+                mediaPlayer.setDataSource(ConstantData.YOU_DAO_VOICE_EN + wordName);
+            else
+                mediaPlayer.setDataSource(ConstantData.YOU_DAO_VOICE_USA + wordName);
+            mediaPlayer.prepareAsync();
+            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
+                @Override
+                public void onPrepared(MediaPlayer mp) {
+                    mediaPlayer.start();
+                }
+            });
+            mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+                @Override
+                public void onCompletion(MediaPlayer mp) {
+                    if (mediaPlayer != null) {
+                        mediaPlayer.release();
+                        mediaPlayer = null;
+                    }
+                }
+            });
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void play(String wordName) {
+        play(DEFAULT_VOICE, wordName);
+    }
+
+    public static void playInternetSource(String address) {
+        if (mediaPlayer != null) {
+            releasePlayer();
+            mediaPlayer = new MediaPlayer();
+        } else
+            mediaPlayer = new MediaPlayer();
+        try {
+            mediaPlayer.setDataSource(address);
+            mediaPlayer.prepareAsync();
+            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
+                @Override
+                public void onPrepared(MediaPlayer mp) {
+                    mediaPlayer.start();
+                }
+            });
+            mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+                @Override
+                public void onCompletion(MediaPlayer mp) {
+                    if (mediaPlayer != null) {
+                        mediaPlayer.release();
+                        mediaPlayer = null;
+                    }
+                }
+            });
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void releasePlayer() {
+        if (mediaPlayer != null) {
+            if (mediaPlayer.isPlaying()) {
+                mediaPlayer.stop();
+            }
+            mediaPlayer.release();
+            mediaPlayer = null;
+        }
+    }
+
+    public static void playLocalFile(int sourceAddress) {
+        if (mediaPlayer != null) {
+            releasePlayer();
+            mediaPlayer = new MediaPlayer();
+        } else
+            mediaPlayer = new MediaPlayer();
+        try {
+            AssetFileDescriptor fileDescriptor = MyApplication.getContext().getResources().openRawResourceFd(sourceAddress);
+            mediaPlayer.setDataSource(fileDescriptor.getFileDescriptor(), fileDescriptor.getStartOffset(), fileDescriptor.getLength());
+            mediaPlayer.prepareAsync();
+            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
+                @Override
+                public void onPrepared(MediaPlayer mp) {
+                    mediaPlayer.start();
+                }
+            });
+            mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+                @Override
+                public void onCompletion(MediaPlayer mp) {
+                    if (mediaPlayer != null) {
+                        mediaPlayer.release();
+                        mediaPlayer = null;
+                    }
+                }
+            });
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void playLocalFileRepeat(final int sourceAddress) {
+        if (mediaPlayer != null) {
+            releasePlayer();
+            mediaPlayer = new MediaPlayer();
+        } else
+            mediaPlayer = new MediaPlayer();
+        try {
+            AssetFileDescriptor fileDescriptor = MyApplication.getContext().getResources().openRawResourceFd(sourceAddress);
+            mediaPlayer.setDataSource(fileDescriptor.getFileDescriptor(), fileDescriptor.getStartOffset(), fileDescriptor.getLength());
+            mediaPlayer.prepareAsync();
+            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
+                @Override
+                public void onPrepared(MediaPlayer mp) {
+                    mediaPlayer.start();
+                }
+            });
+            mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
+                @Override
+                public void onCompletion(MediaPlayer mp) {
+                    playLocalFileRepeat(sourceAddress);
+                }
+            });
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+}

app/src/main/java/com/example/testapp/Util/MyApplication.java

+package com.example.testapp.Util;
+
+import android.app.Application;
+import android.content.Context;
+
+import androidx.appcompat.app.AppCompatDelegate;
+
+
+import org.litepal.LitePal;
+
+public class MyApplication extends Application {
+
+    private static Context context;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        context = getApplicationContext();
+        LitePal.initialize(this);
+
+
+    }
+
+    public static Context getContext() {
+        return context;
+    }
+
+}

app/src/main/java/com/example/testapp/Util/TimeController.java

+package com.example.testapp.Util;
+
+import android.util.Log;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+
+/*时间管理*/
+public class TimeController {
+
+    public static final String FORMAT_NOTIME = "yyyy-MM-dd";
+
+    public static SimpleDateFormat simpleDateFormat = new SimpleDateFormat(FORMAT_NOTIME);
+
+    public static long todayDate;
+
+    private static final String TAG = "TimeController";
+
+    /*----日期类----*/
+
+    // 得到当前日期戳(不带时间，只有日期)
+    public static long getCurrentDateStamp() {
+        Calendar cal = Calendar.getInstance();
+        int currentYear = cal.get(Calendar.YEAR);
+        int currentMonth = cal.get(Calendar.MONTH) + 1;
+        int currentDate = cal.get(Calendar.DATE);
+        long time = 0;
+        try {
+            time = simpleDateFormat.parse(currentYear + "-" + currentMonth + "-" + currentDate).getTime();
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+        Log.d(TAG, "getCurrentDateStamp: " + time);
+        return time;
+    }
+
+    // 根据指定日期戳解析成日期形式（yyyy-MM-dd）
+    public static String getStringDate(long timeStamp) {
+        return simpleDateFormat.format(new Date(Long.parseLong(String.valueOf(timeStamp))));
+    }
+
+    // 根据指定日期戳解析成日期形式（yyyy-MM-dd）
+    public static String getStringDateDetail(long timeStamp) {
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        return simpleDateFormat.format(new Date(Long.parseLong(String.valueOf(timeStamp))));
+    }
+
+    // 得到当前日期的指定间隔后的日期
+    public static long getDateByDays(long time, int intervalDay) throws ParseException {
+        // 转换成Calendar
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTimeInMillis(time);
+        calendar.add(Calendar.DATE, intervalDay);
+        return calendar.getTimeInMillis();
+    }
+
+    // 返回两个日期之间相隔多少天
+    public static int daysInternal(long time1, long time2) throws ParseException {
+        Date date1 = simpleDateFormat.parse(getStringDate(time1));
+        Date date2 = simpleDateFormat.parse(getStringDate(time2));
+        int days = (int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24));
+        return days;
+    }
+
+    /*----时间类----*/
+
+    // 得到当前时间戳（有日期与时间）
+    public static long getCurrentTimeStamp() {
+        return System.currentTimeMillis();
+    }
+
+    // 判断两个时间戳是否为同一天
+    public static boolean isTheSameDay(long time1, long time2) {
+        return getStringDate(time1).equals(getStringDate(time2));
+    }
+
+    // 返回过去第几天的日期
+    public static String getPastDate(int past) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.set(Calendar.DAY_OF_YEAR, calendar.get(Calendar.DAY_OF_YEAR) - past);
+        Date today = calendar.getTime();
+        SimpleDateFormat format = new SimpleDateFormat("MM-dd");
+        String result = format.format(today);
+        return result;
+    }
+
+    // 返回过去第几天的日期（有年份）
+    public static String getPastDateWithYear(int past) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.set(Calendar.DAY_OF_YEAR, calendar.get(Calendar.DAY_OF_YEAR) - past);
+        Date today = calendar.getTime();
+        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+        String result = format.format(today);
+        return result;
+    }
+
+    // 获取n天以后的日期
+    public static String getDayAgoOrAfterString(int num) {
+        Calendar calendar1 = Calendar.getInstance();
+        SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy年MM月dd日");
+        calendar1.add(Calendar.DATE, num);
+        return sdf1.format(calendar1.getTime());
+    }
+}

app/src/main/java/com/example/testapp/WordBook.java

+package com.example.testapp;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
+import android.annotation.SuppressLint;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.example.testapp.Adapter.BookListAdapter;
+import com.example.testapp.bean.BookData;
+import com.example.testapp.bean.BookItemBean;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+
+public class WordBook extends AppCompatActivity {
+    RecyclerView bookList;
+    SwipeRefreshLayout swipeRefresh;
+    private List<BookItemBean> mdata;
+    BookListAdapter adapter;
+    String TAG = "WordBook";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_word_book);
+        bookList = this.findViewById(R.id.book_list);
+        swipeRefresh = this.findViewById(R.id.book_refresh);
+        initData();
+        handlerRefresh();
+    }
+
+    private void handlerRefresh() {
+        swipeRefresh.setEnabled(true);
+        swipeRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            //@SuppressLint("NotifyDataSetChanged")
+            @SuppressLint("NotifyDataSetChanged")
+            @Override
+            public void onRefresh() {
+                //新建一条数据
+                Log.i(TAG, "onRefresh:刷新数据");
+                BookItemBean data = new BookItemBean();
+                data.BookName = "新书";
+                data.isDownload = false;
+                data.BookIntroduce = "我是新添加的书本";
+                data.BookImg = "https://img0.baidu.com/it/u=3939618057,2844598562&fm=253&fmt=auto&app=138&f=JPEG?w=350&h=350";
+                mdata.add(0,data);
+                adapter.notifyDataSetChanged();
+                swipeRefresh.setRefreshing(false);
+            }
+        });
+    }
+
+    private void initData() {
+        mdata = new ArrayList<>();
+        for(int i = 0; i< BookData.images.length; i++){
+            BookItemBean data = new BookItemBean();
+            data.BookImg = BookData.images[i];
+            data.BookIntroduce = "我是第" + String.valueOf(i) + "本书";
+            data.isDownload = false;
+            data.BookName = "考研词汇书";
+            mdata.add(data);
+        }
+        //创建适配器
+        LinearLayoutManager manger = new LinearLayoutManager(this);
+        //bookList.addItemDecoration();
+        bookList.setLayoutManager(manger);
+        adapter = new BookListAdapter(mdata);
+        bookList.setAdapter(adapter);
+    }
+}
\ No newline at end of file

app/src/main/java/com/example/testapp/bean/BookData.java

+package com.example.testapp.bean;
+
+public class BookData {
+    public static String[] images ={
+            "https://nos.netease.com/ydschool-online/1496632727200CET4luan_1.jpg",
+            "https://nos.netease.com/ydschool-online/1496655382926CET6luan_1.jpg",
+            "https://nos.netease.com/ydschool-online/1496632762670KaoYanluan_1.jpg",
+            "https://nos.netease.com/ydschool-online/youdao_CET6_2.jpg",
+            "https://nos.netease.com/ydschool-online/youdao_KaoYan_2.jpg"
+    };
+}

app/src/main/java/com/example/testapp/bean/BookItemBean.java

+package com.example.testapp.bean;
+
+public class BookItemBean {
+    public String BookImg;
+    public String BookIntroduce;
+    public String BookName;
+    public Boolean isDownload;
+}

app/src/main/java/com/example/testapp/bean/JsonContent.java

+package com.example.testapp.bean;
+
+import java.util.List;
+
+public class JsonContent {
+
+    private String usphone;
+
+    private String ukphone;
+
+    private String picture;
+
+    private JsonSentenceContent sentence;
+
+    private JsonPhraseContent phrase;
+
+    private JsonRemMethod remMethod;
+
+    private List<JsonTran> trans;
+
+    public String getUsphone() {
+        return usphone;
+    }
+
+    public void setUsphone(String usphone) {
+        this.usphone = usphone;
+    }
+
+    public String getUkphone() {
+        return ukphone;
+    }
+
+    public void setUkphone(String ukphone) {
+        this.ukphone = ukphone;
+    }
+
+    public String getPicture() {
+        return picture;
+    }
+
+    public void setPicture(String picture) {
+        this.picture = picture;
+    }
+
+    public JsonSentenceContent getSentence() {
+        return sentence;
+    }
+
+    public void setSentence(JsonSentenceContent sentence) {
+        this.sentence = sentence;
+    }
+
+    public JsonPhraseContent getPhrase() {
+        return phrase;
+    }
+
+    public void setPhrase(JsonPhraseContent phrase) {
+        this.phrase = phrase;
+    }
+
+    public JsonRemMethod getRemMethod() {
+        return remMethod;
+    }
+
+    public void setRemMethod(JsonRemMethod remMethod) {
+        this.remMethod = remMethod;
+    }
+
+    public List<JsonTran> getTrans() {
+        return trans;
+    }
+
+    public void setTrans(List<JsonTran> trans) {
+        this.trans = trans;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonContentWord.java

+package com.example.testapp.bean;
+
+public class JsonContentWord {
+
+    private String wordHead;
+
+    private String wordId;
+
+    private JsonContent content;
+
+    public String getWordHead() {
+        return wordHead;
+    }
+
+    public void setWordHead(String wordHead) {
+        this.wordHead = wordHead;
+    }
+
+    public String getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(String wordId) {
+        this.wordId = wordId;
+    }
+
+    public JsonContent getContent() {
+        return content;
+    }
+
+    public void setContent(JsonContent content) {
+        this.content = content;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonPhrase.java

+package com.example.testapp.bean;
+
+public class JsonPhrase {
+
+    private String pContent;
+
+    private String pCn;
+
+    public String getpContent() {
+        return pContent;
+    }
+
+    public void setpContent(String pContent) {
+        this.pContent = pContent;
+    }
+
+    public String getpCn() {
+        return pCn;
+    }
+
+    public void setpCn(String pCn) {
+        this.pCn = pCn;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonPhraseContent.java

+package com.example.testapp.bean;
+
+import java.util.List;
+
+public class JsonPhraseContent {
+
+    private List<JsonPhrase> phrases;
+
+    private String desc;
+
+    public List<JsonPhrase> getPhrases() {
+        return phrases;
+    }
+
+    public void setPhrases(List<JsonPhrase> phrases) {
+        this.phrases = phrases;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public void setDesc(String desc) {
+        this.desc = desc;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonRemMethod.java

+package com.example.testapp.bean;
+
+public class JsonRemMethod {
+
+    String val;
+
+    String desc;
+
+    public String getVal() {
+        return val;
+    }
+
+    public void setVal(String val) {
+        this.val = val;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public void setDesc(String desc) {
+        this.desc = desc;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonSentence.java

+package com.example.testapp.bean;
+
+public class JsonSentence {
+
+    private String sContent;
+
+    private String sCn;
+
+    public String getsContent() {
+        return sContent;
+    }
+
+    public void setsContent(String sContent) {
+        this.sContent = sContent;
+    }
+
+    public String getsCn() {
+        return sCn;
+    }
+
+    public void setsCn(String sCn) {
+        this.sCn = sCn;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonSentenceContent.java

+package com.example.testapp.bean;
+
+import java.util.List;
+
+public class JsonSentenceContent {
+
+    private List<JsonSentence> sentences;
+
+    private String desc;
+
+    public List<JsonSentence>  getSentences() {
+        return sentences;
+    }
+
+    public void setSentences(List<JsonSentence>  sentences) {
+        this.sentences = sentences;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public void setDesc(String desc) {
+        this.desc = desc;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonTran.java

+package com.example.testapp.bean;
+
+public class JsonTran {
+
+    private String tranCn;
+
+    private String descOther;
+
+    private String pos;
+
+    private String descCn;
+
+    private String tranOther;
+
+    public String getTranCn() {
+        return tranCn;
+    }
+
+    public void setTranCn(String tranCn) {
+        this.tranCn = tranCn;
+    }
+
+    public String getDescOther() {
+        return descOther;
+    }
+
+    public void setDescOther(String descOther) {
+        this.descOther = descOther;
+    }
+
+    public String getPos() {
+        return pos;
+    }
+
+    public void setPos(String pos) {
+        this.pos = pos;
+    }
+
+    public String getDescCn() {
+        return descCn;
+    }
+
+    public void setDescCn(String descCn) {
+        this.descCn = descCn;
+    }
+
+    public String getTranOther() {
+        return tranOther;
+    }
+
+    public void setTranOther(String tranOther) {
+        this.tranOther = tranOther;
+    }
+}

app/src/main/java/com/example/testapp/bean/JsonWordTotal.java

+package com.example.testapp.bean;
+
+public class JsonWordTotal {
+    private JsonContentWord word;
+
+    public JsonContentWord getWord() {
+        return word;
+    }
+
+    public void setWord(JsonContentWord word) {
+        this.word = word;
+    }
+}

app/src/main/java/com/example/testapp/bean/WordItem.java

+package com.example.testapp.bean;
+
+public class WordItem {
+    // 单词序号
+    private int wordRank;
+
+    // 单词名称
+    private String headWord;
+
+    // 单词内容
+    private JsonWordTotal content;
+
+    // 单词归属数目
+    private String bookId;
+
+    public int getWordRank() {
+        return wordRank;
+    }
+
+    public void setWordRank(int wordRank) {
+        this.wordRank = wordRank;
+    }
+
+    public String getHeadWord() {
+        return headWord;
+    }
+
+    public void setHeadWord(String headWord) {
+        this.headWord = headWord;
+    }
+
+    public JsonWordTotal getContent() {
+        return content;
+    }
+
+    public void setContent(JsonWordTotal content) {
+        this.content = content;
+    }
+
+    public String getBookId() {
+        return bookId;
+    }
+
+    public void setBookId(String bookId) {
+        this.bookId = bookId;
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/example/testapp/config/ConstantData.java

+package com.example.testapp.config;
+
+
+import com.example.testapp.R;
+
+// 存放不变的数据（常量）
+public class ConstantData {
+
+    // 数据存放目录（外置存储卡）
+    public static final String DIR_TOTAL = "englishLearning";
+    // 解压后的数据目录
+    public static final String DIR_AFTER_FINISH = "json";
+
+    // 书默认ID
+    public static final int CET4_WORDBOOK = 1;
+    public static final int CET6_WORDBOOK = 2;
+    public static final int KAOYAN_WORDBOOK = 3;
+    public static final int CET6ALL = 4;
+    public static final int KAOYANALL = 5;
+
+    // 背景图API
+    public static final String IMG_API = "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1";
+    public static final String IMG_API_BEFORE = "https://www.bing.com";
+
+    // 每日一句API
+    public static final String DAILY_SENTENCE_API = "https://open.iciba.com/dsapi/";
+
+    // 有道英音发音
+    public static final String YOU_DAO_VOICE_EN = "https://dict.youdao.com/dictvoice?type=1&audio=";
+
+    // 有道美音发音
+    public static final String YOU_DAO_VOICE_USA = "https://dict.youdao.com/dictvoice?type=0&audio=";
+
+    // raw资源正确提示音
+    public static final int RIGHT_SIGN = R.raw.right;
+    // raw资源错误提示音
+    public static final int WRONG_SIGN = R.raw.wrong;
+
+    // 通知渠道ID
+    public static final String channelId = "default";
+    public static final String channelId2 = "default2";
+    // 通知渠道名称
+    public static final String channelName = "默认通知";
+    public static final String channelName2 = "默认通知2";
+
+    // 提示句子集合
+    public static final String[] phrases = {
+            "马行软地易失蹄，人贪安逸易失志",
+            "每天告诉自己一次：我真的很不错",
+            "没有热忱，世间便无进步",
+            "有志者，事竟成，破釜沉舟，百二秦关终属楚",
+            "有心人，天不负，卧薪尝胆，三千越甲可吞吴",
+            "风尘三尺剑，社稷一戎衣",
+            "只要站起来的次数比倒下去的次数多，那就是成功",
+            "收拾一下心情，开始下一个新的开始",
+            "你配不上自己的野心，也辜负了曾经历的苦难",
+            "现实很近又很冷，梦想很远却很温暖",
+            "前方无绝路，希望在转角",
+            "没有人会让我输，除非我不想赢",
+            "追踪着鹿的猎人是看不见山的",
+            "有志始知蓬莱近，无为总觉咫尺远",
+            "业精于勤而荒于嬉，行成于思而毁于随",
+            "没有所谓失败，除非你不再尝试"};
+
+    // 根据书ID获取该书的单词总量
+    public static int wordTotalNumberById(int bookId) {
+        int num = 0;
+        switch (bookId) {
+            case CET4_WORDBOOK:
+                num = 1162;
+                break;
+            case CET6_WORDBOOK:
+                num = 1228;
+                break;
+            case KAOYAN_WORDBOOK:
+                num = 1341;
+                break;
+            case CET6ALL:
+                num = 2078;
+                break;
+            case KAOYANALL:
+                num = 4533;
+        }
+        return num;
+    }
+
+    // 根据书ID获取该书的书名
+    public static String bookNameById(int bookId) {
+        String name = "";
+        switch (bookId) {
+            case CET4_WORDBOOK:
+                name = "英语四级核心词";
+                break;
+            case CET6_WORDBOOK:
+                name = "英语六级核心词";
+                break;
+            case KAOYAN_WORDBOOK:
+                name = "考研必考词汇";
+                break;
+            case CET6ALL:
+                name = "六级英语大纲";
+                break;
+            case KAOYANALL:
+                name = "考研英语大纲";
+                break;
+        }
+        return name;
+    }
+
+    // 根据书ID获取该书的类型
+    public static String typeById(int bookId) {
+        String name = "";
+        switch (bookId) {
+            case CET4_WORDBOOK:
+                name = "四级";
+                break;
+            case CET6_WORDBOOK:
+            case CET6ALL:
+                name = "六级";
+                break;
+            case KAOYAN_WORDBOOK:
+            case KAOYANALL:
+                name = "考研";
+                break;
+        }
+        return name;
+    }
+
+    // 根据书ID获取该书的图片
+    public static String bookPicById(int bookId) {
+        String picAddress = "";
+        switch (bookId) {
+            case CET4_WORDBOOK:
+                picAddress = "https://nos.netease.com/ydschool-online/1496632727200CET4luan_1.jpg";
+                break;
+            case CET6_WORDBOOK:
+                picAddress = "https://nos.netease.com/ydschool-online/1496655382926CET6luan_1.jpg";
+                break;
+            case KAOYAN_WORDBOOK:
+                picAddress = "https://nos.netease.com/ydschool-online/1496632762670KaoYanluan_1.jpg";
+                break;
+            case CET6ALL:
+                picAddress = "https://nos.netease.com/ydschool-online/youdao_CET6_2.jpg";
+                break;
+            case KAOYANALL:
+                picAddress = "https://nos.netease.com/ydschool-online/youdao_KaoYan_2.jpg";
+                break;
+        }
+        return picAddress;
+    }
+
+    // 根据书ID获取该书的下载地址
+    public static String bookDownLoadAddressById(int bookId) {
+        String picAddress = "";
+        switch (bookId) {
+            case CET4_WORDBOOK:
+                picAddress = "http://ydschool-online.nos.netease.com/1523620217431_CET4luan_1.zip";
+                break;
+            case CET6_WORDBOOK:
+                picAddress = "http://ydschool-online.nos.netease.com/1521164660466_CET6luan_1.zip";
+                break;
+            case KAOYAN_WORDBOOK:
+                picAddress = "http://ydschool-online.nos.netease.com/1521164661106_KaoYanluan_1.zip";
+                break;
+            case CET6ALL:
+                picAddress = "http://ydschool-online.nos.netease.com/1524052554766_CET6_2.zip";
+                break;
+            case KAOYANALL:
+                picAddress = "http://ydschool-online.nos.netease.com/1521164654696_KaoYan_2.zip";
+                break;
+        }
+        return picAddress;
+    }
+
+    // 根据书ID获取该书的下载后的文件名
+    public static String bookFileNameById(int bookId) {
+        String picAddress = "";
+        switch (bookId) {
+            case CET4_WORDBOOK:
+                picAddress = "CET4luan_1.zip";
+                break;
+            case CET6_WORDBOOK:
+                picAddress = "CET6luan_1.zip";
+                break;
+            case KAOYAN_WORDBOOK:
+                picAddress = "KaoYanluan_1.zip";
+                break;
+            case CET6ALL:
+                picAddress = "CET6_2.zip";
+                break;
+            case KAOYANALL:
+                picAddress = "KaoYan_2.zip";
+                break;
+        }
+        return picAddress;
+    }
+
+}

app/src/main/java/com/example/testapp/config/ServerData.java

+package com.example.testapp.config;
+
+public class ServerData {
+
+    public final static String SERVER_ADDRESS = "http://139.196.255.54/New";
+
+    public final static String SERVER_LOGIN_ADDRESS = SERVER_ADDRESS + "/Login.php";
+    public final static String SERVER_UPLOAD_RECORD_ADDRESS = SERVER_ADDRESS + "/upload/Record.php";
+    public final static String SERVER_UPLOAD_INFO_ADDRESS = SERVER_ADDRESS + "/upload/InforFiles.php";
+    public final static String SERVER_RETURN_BOOKS_ADDRESS = SERVER_ADDRESS + "/upload/GetAllFiles.php";
+
+    public final static String LOGIN_SINA_NUM = "sinaNum";
+    public final static String LOGIN_SINA_NAME = "sinaName";
+    public final static String TYPE_NAME = "updateType";
+    public final static String UPLOAD_FILE = "uploadedFile";
+    public final static String UPLOAD_TYPE = "1";
+    public final static String RECOVER_TYPE = "2";
+
+}

app/src/main/java/com/example/testapp/database/Interpretation.java

+package com.example.testapp.database;
+
+import org.litepal.crud.LitePalSupport;
+
+public class Interpretation extends LitePalSupport {
+
+    // 词性
+    private String wordType;
+
+    // 中文词意
+    private String CHSMeaning;
+
+    // 英文词意
+    private String ENMeaning;
+
+    // 归属单词
+    private int wordId;
+
+    public String getWordType() {
+        return wordType;
+    }
+
+    public void setWordType(String wordType) {
+        this.wordType = wordType;
+    }
+
+    public String getCHSMeaning() {
+        return CHSMeaning;
+    }
+
+    public void setCHSMeaning(String CHSMeaning) {
+        this.CHSMeaning = CHSMeaning;
+    }
+
+    public String getENMeaning() {
+        return ENMeaning;
+    }
+
+    public void setENMeaning(String ENMeaning) {
+        this.ENMeaning = ENMeaning;
+    }
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+}

app/src/main/java/com/example/testapp/database/Phrase.java

+package com.example.testapp.database;
+
+import org.litepal.crud.LitePalSupport;
+
+public class Phrase extends LitePalSupport {
+
+    // 中文短语
+    private String chsPhrase;
+
+    // 英语短语
+    private String enPhrase;
+
+    // 归属单词
+    private int wordId;
+
+    public String getChsPhrase() {
+        return chsPhrase;
+    }
+
+    public void setChsPhrase(String chsPhrase) {
+        this.chsPhrase = chsPhrase;
+    }
+
+    public String getEnPhrase() {
+        return enPhrase;
+    }
+
+    public void setEnPhrase(String enPhrase) {
+        this.enPhrase = enPhrase;
+    }
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+}

app/src/main/java/com/example/testapp/database/Sentence.java

+package com.example.testapp.database;
+
+import org.litepal.crud.LitePalSupport;
+
+public class Sentence extends LitePalSupport {
+
+    // 英文句子
+    private String enSentence;
+
+    // 中文句子
+    private String chsSentence;
+
+    // 归属单词
+    private int wordId;
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+
+    public String getEnSentence() {
+        return enSentence;
+    }
+
+    public void setEnSentence(String enSentence) {
+        this.enSentence = enSentence;
+    }
+
+    public String getChsSentence() {
+        return chsSentence;
+    }
+
+    public void setChsSentence(String chsSentence) {
+        this.chsSentence = chsSentence;
+    }
+}

app/src/main/java/com/example/testapp/database/Word.java

+package com.example.testapp.database;
+
+import org.litepal.annotation.Column;
+import org.litepal.crud.LitePalSupport;
+
+public class Word extends LitePalSupport {
+
+    // ID
+    @Column(unique = true)
+    private int wordId;
+
+    // 单词
+    private String word;
+
+    // 英国音标
+    private String ukPhone;
+
+    // 美国音标
+    private String usPhone;
+
+    // 巧记
+    private String remMethod;
+
+    // 图片(网址)
+    private String picAddress;
+
+    // 自定义照片
+    private byte[] picCustom;
+
+    // 自定义备注
+    private String remark;
+
+    // 设置归属
+    private String belongBook;
+
+    // 是否收藏
+    @Column(defaultValue = "0")
+    private int isCollected;
+
+    // 是否是简单词
+    @Column(defaultValue = "0")
+    private int isEasy;
+
+    // 是否是刚学过
+    @Column(defaultValue = "0")
+    private int justLearned;
+
+    /*
+     * 以下是学习复习专用的
+     */
+
+    // 是否需要学习
+    @Column(defaultValue = "0")
+    private int isNeedLearned;
+
+    // 需要学习的时间（以天为单位）
+    private long needLearnDate;
+
+    // 需要复习的时间（以天为单位）
+    private long needReviewDate;
+
+    // 是否学习过
+    @Column(defaultValue = "0")
+    private int isLearned;
+
+    // 总计检验次数
+    @Column(defaultValue = "0")
+    private int examNum;
+
+    // 总计检验答对次数
+    @Column(defaultValue = "0")
+    private int examRightNum;
+
+    // 上次已掌握时间（时间戳）
+    @Column(defaultValue = "0")
+    private long lastMasterTime;
+
+    // 上次复习的时间（时间戳）
+    @Column(defaultValue = "0")
+    private long lastReviewTime;
+
+    // 掌握程度（总计10分）
+    @Column(defaultValue = "0")
+    private int masterDegree;
+
+    // 深度掌握次数
+    /*
+     * 前提：掌握程度已达到10
+     * 当深度次数为0时，记下次复习时间=上次已掌握时间+4天，若及时复习，更新上次已掌握时间
+     * 当深度次数为1时，记下次复习时间=上次已掌握时间+3天，若及时复习，更新上次已掌握时间
+     * 当深度次数为2时，记下次复习时间=上次已掌握时间+8天，若及时复习，更新上次已掌握时间
+     * 当深度次数为3时，记已经完全掌握
+     *
+     * 检测哪些单词未及时深度复习：
+     * 首先单词必须掌握程度=10，其次单词上次掌握的时间与现在的时间进行对比
+     * （1）要是深度次数为0，且两者时间之差为大于4天，说明未深度复习
+     * （2）要是深度次数为1，且两者时间之差为大于3天，说明未深度复习
+     * （3）要是深度次数为2，且两者时间之差为大于8天，说明未深度复习
+     * （#）若未及时深度复习，一律将其单词掌握程度-2（10→8）
+     *
+     * */
+    @Column(defaultValue = "0")
+    private int deepMasterTimes;
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+
+    public String getWord() {
+        return word;
+    }
+
+    public void setWord(String word) {
+        this.word = word;
+    }
+
+    public String getUkPhone() {
+        return ukPhone;
+    }
+
+    public void setUkPhone(String ukPhone) {
+        this.ukPhone = ukPhone;
+    }
+
+    public String getUsPhone() {
+        return usPhone;
+    }
+
+    public void setUsPhone(String usPhone) {
+        this.usPhone = usPhone;
+    }
+
+    public String getRemMethod() {
+        return remMethod;
+    }
+
+    public void setRemMethod(String remMethod) {
+        this.remMethod = remMethod;
+    }
+
+    public String getPicAddress() {
+        return picAddress;
+    }
+
+    public void setPicAddress(String picAddress) {
+        this.picAddress = picAddress;
+    }
+
+    public byte[] getPicCustom() {
+        return picCustom;
+    }
+
+    public void setPicCustom(byte[] picCustom) {
+        this.picCustom = picCustom;
+    }
+
+    public String getRemark() {
+        return remark;
+    }
+
+    public void setRemark(String remark) {
+        this.remark = remark;
+    }
+
+    public String getBelongBook() {
+        return belongBook;
+    }
+
+    public void setBelongBook(String belongBook) {
+        this.belongBook = belongBook;
+    }
+
+    public int getIsCollected() {
+        return isCollected;
+    }
+
+    public void setIsCollected(int isCollected) {
+        this.isCollected = isCollected;
+    }
+
+    public int getIsEasy() {
+        return isEasy;
+    }
+
+    public void setIsEasy(int isEasy) {
+        this.isEasy = isEasy;
+    }
+
+    public int getJustLearned() {
+        return justLearned;
+    }
+
+    public void setJustLearned(int justLearned) {
+        this.justLearned = justLearned;
+    }
+
+    public int getIsNeedLearned() {
+        return isNeedLearned;
+    }
+
+    public void setIsNeedLearned(int isNeedLearned) {
+        this.isNeedLearned = isNeedLearned;
+    }
+
+    public long getNeedLearnDate() {
+        return needLearnDate;
+    }
+
+    public void setNeedLearnDate(long needLearnDate) {
+        this.needLearnDate = needLearnDate;
+    }
+
+    public long getNeedReviewDate() {
+        return needReviewDate;
+    }
+
+    public void setNeedReviewDate(long needReviewDate) {
+        this.needReviewDate = needReviewDate;
+    }
+
+    public int getIsLearned() {
+        return isLearned;
+    }
+
+    public void setIsLearned(int isLearned) {
+        this.isLearned = isLearned;
+    }
+
+    public int getExamNum() {
+        return examNum;
+    }
+
+    public void setExamNum(int examNum) {
+        this.examNum = examNum;
+    }
+
+    public int getExamRightNum() {
+        return examRightNum;
+    }
+
+    public void setExamRightNum(int examRightNum) {
+        this.examRightNum = examRightNum;
+    }
+
+    public long getLastMasterTime() {
+        return lastMasterTime;
+    }
+
+    public void setLastMasterTime(long lastMasterTime) {
+        this.lastMasterTime = lastMasterTime;
+    }
+
+    public long getLastReviewTime() {
+        return lastReviewTime;
+    }
+
+    public void setLastReviewTime(long lastReviewTime) {
+        this.lastReviewTime = lastReviewTime;
+    }
+
+    public int getMasterDegree() {
+        return masterDegree;
+    }
+
+    public void setMasterDegree(int masterDegree) {
+        this.masterDegree = masterDegree;
+    }
+
+    public int getDeepMasterTimes() {
+        return deepMasterTimes;
+    }
+
+    public void setDeepMasterTimes(int deepMasterTimes) {
+        this.deepMasterTimes = deepMasterTimes;
+    }
+}

app/src/main/java/com/example/testapp/database/WordFolder.java

+package com.example.testapp.database;
+
+import org.litepal.crud.LitePalSupport;
+
+public class WordFolder extends LitePalSupport {
+
+    private int id;
+
+    private String createTime;
+
+    private String name;
+
+    private String remark;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getCreateTime() {
+        return createTime;
+    }
+
+    public void setCreateTime(String createTime) {
+        this.createTime = createTime;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getRemark() {
+        return remark;
+    }
+
+    public void setRemark(String remark) {
+        this.remark = remark;
+    }
+}

app/src/main/java/com/example/testapp/entity/GameWord.java

+package com.example.testapp.entity;
+
+public class GameWord {
+
+    private int id;
+
+    private String wordName;
+
+    private String wordMeans;
+
+    public GameWord(int id, String wordName, String wordMeans) {
+        this.id = id;
+        this.wordName = wordName;
+        this.wordMeans = wordMeans;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getWordName() {
+        return wordName;
+    }
+
+    public void setWordName(String wordName) {
+        this.wordName = wordName;
+    }
+
+    public String getWordMeans() {
+        return wordMeans;
+    }
+
+    public void setWordMeans(String wordMeans) {
+        this.wordMeans = wordMeans;
+    }
+}

app/src/main/java/com/example/testapp/entity/IdAnalyse.java

+package com.example.testapp.entity;
+
+public class IdAnalyse {
+
+    private int wordId;
+
+    private int position;
+
+    public IdAnalyse(int wordId, int position) {
+        this.wordId = wordId;
+        this.position = position;
+    }
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    public void setPosition(int position) {
+        this.position = position;
+    }
+}

app/src/main/java/com/example/testapp/entity/ItemMatch.java

+package com.example.testapp.entity;
+
+public class ItemMatch {
+
+    private int id;
+
+    private String wordString;
+
+    private boolean isChosen;
+
+    private boolean readyDelete;
+
+    public ItemMatch(int id, String wordString, boolean isChosen, boolean readyDelete) {
+        this.id = id;
+        this.wordString = wordString;
+        this.isChosen = isChosen;
+        this.readyDelete = readyDelete;
+    }
+
+    public boolean isChosen() {
+        return isChosen;
+    }
+
+    public void setChosen(boolean chosen) {
+        isChosen = chosen;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getWordString() {
+        return wordString;
+    }
+
+    public void setWordString(String wordString) {
+        this.wordString = wordString;
+    }
+
+    public boolean isReadyDelete() {
+        return readyDelete;
+    }
+
+    public void setReadyDelete(boolean readyDelete) {
+        this.readyDelete = readyDelete;
+    }
+}

app/src/main/java/com/example/testapp/entity/ItemPhrase.java

+package com.example.testapp.entity;
+
+public class ItemPhrase {
+
+    private String cn;
+
+    private String en;
+
+    public ItemPhrase(String cn, String en) {
+        this.cn = cn;
+        this.en = en;
+    }
+
+    public String getCn() {
+        return cn;
+    }
+
+    public void setCn(String cn) {
+        this.cn = cn;
+    }
+
+    public String getEn() {
+        return en;
+    }
+
+    public void setEn(String en) {
+        this.en = en;
+    }
+
+}

app/src/main/java/com/example/testapp/entity/ItemSearch.java

+package com.example.testapp.entity;
+
+public class ItemSearch {
+
+    private int wordId;
+
+    private String wordName;
+
+    private String wordSound;
+
+    private String wordMeans;
+
+    public ItemSearch(int wordId, String wordName, String wordSound, String wordMeans) {
+        this.wordId = wordId;
+        this.wordName = wordName;
+        this.wordSound = wordSound;
+        this.wordMeans = wordMeans;
+    }
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+
+    public String getWordName() {
+        return wordName;
+    }
+
+    public void setWordName(String wordName) {
+        this.wordName = wordName;
+    }
+
+    public String getWordSound() {
+        return wordSound;
+    }
+
+    public void setWordSound(String wordSound) {
+        this.wordSound = wordSound;
+    }
+
+    public String getWordMeans() {
+        return wordMeans;
+    }
+
+    public void setWordMeans(String wordMeans) {
+        this.wordMeans = wordMeans;
+    }
+}

app/src/main/java/com/example/testapp/entity/ItemSentence.java

+package com.example.testapp.entity;
+
+public class ItemSentence {
+
+    private String cn;
+
+    private String en;
+
+    public ItemSentence(String cn, String en) {
+        this.cn = cn;
+        this.en = en;
+    }
+
+    public String getCn() {
+        return cn;
+    }
+
+    public void setCn(String cn) {
+        this.cn = cn;
+    }
+
+    public String getEn() {
+        return en;
+    }
+
+    public void setEn(String en) {
+        this.en = en;
+    }
+
+}

app/src/main/java/com/example/testapp/entity/ItemShow.java

+package com.example.testapp.entity;
+
+public class ItemShow {
+
+    private int wordId;
+
+    private String word;
+
+    private String wordMean;
+
+    private boolean isStar;
+
+    public ItemShow(int wordId, String word, String wordMean, boolean isStar) {
+        this.wordId = wordId;
+        this.word = word;
+        this.wordMean = wordMean;
+        this.isStar = isStar;
+    }
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+
+    public String getWord() {
+        return word;
+    }
+
+    public void setWord(String word) {
+        this.word = word;
+    }
+
+    public String getWordMean() {
+        return wordMean;
+    }
+
+    public void setWordMean(String wordMean) {
+        this.wordMean = wordMean;
+    }
+
+    public boolean isStar() {
+        return isStar;
+    }
+
+    public void setStar(boolean star) {
+        isStar = star;
+    }
+
+}

app/src/main/java/com/example/testapp/entity/ItemUpdateSen.java

+package com.example.testapp.entity;
+
+public class ItemUpdateSen {
+
+    private String chsSentences;
+
+    private String enSentences;
+
+    public ItemUpdateSen(String chsSentences, String enSentences) {
+        this.chsSentences = chsSentences;
+        this.enSentences = enSentences;
+    }
+
+    public String getChsSentences() {
+        return chsSentences;
+    }
+
+    public void setChsSentences(String chsSentences) {
+        this.chsSentences = chsSentences;
+    }
+
+    public String getEnSentences() {
+        return enSentences;
+    }
+
+    public void setEnSentences(String enSentences) {
+        this.enSentences = enSentences;
+    }
+}

app/src/main/java/com/example/testapp/entity/ItemWordBook.java

+package com.example.testapp.entity;
+
+public class ItemWordBook {
+
+    // 单词书ID
+    private int bookId;
+
+    // 单词书名称
+    private String bookName;
+
+    // 单词书单词总数
+    private int bookWordNum;
+
+    // 单词书数据来源
+    private String bookSource;
+
+    // 单词书图片
+    private String bookImg;
+
+    public ItemWordBook(int bookId, String bookName, int bookWordNum, String bookSource, String bookImg) {
+        this.bookId = bookId;
+        this.bookName = bookName;
+        this.bookWordNum = bookWordNum;
+        this.bookSource = bookSource;
+        this.bookImg = bookImg;
+    }
+
+    public int getBookId() {
+        return bookId;
+    }
+
+    public void setBookId(int bookId) {
+        this.bookId = bookId;
+    }
+
+    public String getBookName() {
+        return bookName;
+    }
+
+    public void setBookName(String bookName) {
+        this.bookName = bookName;
+    }
+
+    public int getBookWordNum() {
+        return bookWordNum;
+    }
+
+    public void setBookWordNum(int bookWordNum) {
+        this.bookWordNum = bookWordNum;
+    }
+
+    public String getBookSource() {
+        return bookSource;
+    }
+
+    public void setBookSource(String bookSource) {
+        this.bookSource = bookSource;
+    }
+
+    public String getBookImg() {
+        return bookImg;
+    }
+
+    public void setBookImg(String bookImg) {
+        this.bookImg = bookImg;
+    }
+}

app/src/main/java/com/example/testapp/entity/ItemWordFolder.java

+package com.example.testapp.entity;
+
+public class ItemWordFolder {
+
+    private int folderId;
+
+    private int wordNum;
+
+    private String folderName;
+
+    private String folderRemark;
+
+    public ItemWordFolder(int folderId, int wordNum, String folderName, String folderRemark) {
+        this.folderId = folderId;
+        this.wordNum = wordNum;
+        this.folderName = folderName;
+        this.folderRemark = folderRemark;
+    }
+
+    public int getFolderId() {
+        return folderId;
+    }
+
+    public void setFolderId(int folderId) {
+        this.folderId = folderId;
+    }
+
+    public int getWordNum() {
+        return wordNum;
+    }
+
+    public void setWordNum(int wordNum) {
+        this.wordNum = wordNum;
+    }
+
+    public String getFolderName() {
+        return folderName;
+    }
+
+    public void setFolderName(String folderName) {
+        this.folderName = folderName;
+    }
+
+    public String getFolderRemark() {
+        return folderRemark;
+    }
+
+    public void setFolderRemark(String folderRemark) {
+        this.folderRemark = folderRemark;
+    }
+}

app/src/main/java/com/example/testapp/entity/ItemWordList.java

+package com.example.testapp.entity;
+
+public class ItemWordList {
+
+    private int wordId;
+
+    private String wordName;
+
+    private String wordMean;
+
+    private boolean isOnClick;
+
+    private boolean isSearch;
+
+    public ItemWordList(int wordId, String wordName, String wordMean, boolean isOnClick, boolean isSearch) {
+        this.wordId = wordId;
+        this.wordName = wordName;
+        this.wordMean = wordMean;
+        this.isOnClick = isOnClick;
+        this.isSearch = isSearch;
+    }
+
+    public int getWordId() {
+        return wordId;
+    }
+
+    public void setWordId(int wordId) {
+        this.wordId = wordId;
+    }
+
+    public String getWordName() {
+        return wordName;
+    }
+
+    public void setWordName(String wordName) {
+        this.wordName = wordName;
+    }
+
+    public String getWordMean() {
+        return wordMean;
+    }
+
+    public void setWordMean(String wordMean) {
+        this.wordMean = wordMean;
+    }
+
+    public boolean isOnClick() {
+        return isOnClick;
+    }
+
+    public void setOnClick(boolean onClick) {
+        isOnClick = onClick;
+    }
+
+    public boolean isSearch() {
+        return isSearch;
+    }
+
+    public void setSearch(boolean search) {
+        isSearch = search;
+    }
+}

app/src/main/java/com/example/testapp/entity/ItemWordMeanChoice.java

+package com.example.testapp.entity;
+
+public class ItemWordMeanChoice {
+
+    public static final int NOTSTART = -1;
+    public static final int RIGHT = 0;
+    public static final int WRONG = 1;
+
+    // ID值，用来与正确的值进行判断
+    private int id;
+
+    // 存放内容
+    private String wordMean;
+
+    // 存放判断状态
+    // -1代表未选，0代表正确，1代表错误
+    private int isRight;
+
+    public ItemWordMeanChoice(int id, String wordMean, int isRight) {
+        this.id = id;
+        this.wordMean = wordMean;
+        this.isRight = isRight;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getWordMean() {
+        return wordMean;
+    }
+
+    public void setWordMean(String wordMean) {
+        this.wordMean = wordMean;
+    }
+
+    public int isRight() {
+        return isRight;
+    }
+
+    public void setRight(int right) {
+        isRight = right;
+    }
+}

app/src/main/java/com/example/testapp/entity/UpdateMeans.java

+package com.example.testapp.entity;
+
+public class UpdateMeans {
+
+    private String chsMeans;
+
+    private String enMeans;
+
+    public UpdateMeans() {
+    }
+
+    public UpdateMeans(String chsMeans, String enMeans) {
+        this.chsMeans = chsMeans;
+        this.enMeans = enMeans;
+    }
+
+    public String getChsMeans() {
+        return chsMeans;
+    }
+
+    public void setChsMeans(String chsMeans) {
+        this.chsMeans = chsMeans;
+    }
+
+    public String getEnMeans() {
+        return enMeans;
+    }
+
+    public void setEnMeans(String enMeans) {
+        this.enMeans = enMeans;
+    }
+}

app/src/main/res/layout/activity_learn_word.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:autofit="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/colorBgLittleWhite"
+    android:fitsSystemWindows="true">
+
+    <androidx.cardview.widget.CardView
+        android:id="@+id/card_word_top"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginEnd="15dp"
+        app:cardBackgroundColor="@color/colorLightWhite"
+        app:cardCornerRadius="10dp"
+        app:cardElevation="0dp">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:layout_marginTop="10dp"
+            android:layout_marginEnd="10dp"
+            android:layout_marginBottom="10dp">
+
+            <LinearLayout
+                android:id="@+id/layout_word_top_left"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:gravity="center_vertical"
+                android:orientation="horizontal">
+
+                <ImageView
+                    android:layout_width="17dp"
+                    android:layout_height="17dp"
+                    android:src="@drawable/ic_back" />
+
+                <TextView
+                    android:id="@+id/text_word_top"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="5dp"
+                    android:textColor="@color/colorLightGrey"
+                    android:textSize="13sp"
+                    android:textStyle="bold" />
+
+            </LinearLayout>
+
+            <TextView
+                android:id="@+id/text_word_top_mean"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:layout_marginStart="5dp"
+                android:layout_toStartOf="@id/layout_word_top_right"
+                android:layout_toEndOf="@+id/layout_word_top_left"
+                android:ellipsize="end"
+                android:maxLines="1"
+                android:text=""
+                android:textColor="@color/colorLightGrey"
+                android:textSize="13sp" />
+
+            <LinearLayout
+                android:id="@+id/layout_word_top_right"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_centerVertical="true"
+                android:gravity="center_vertical"
+                android:orientation="horizontal">
+
+                <RelativeLayout
+                    android:layout_width="2dp"
+                    android:layout_height="10dp"
+                    android:layout_marginStart="15dp"
+                    android:layout_marginEnd="10dp"
+                    android:background="@color/colorLightGrey" />
+
+                <TextView
+                    android:id="@+id/text_new_num_top"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="新学15"
+                    android:textColor="@color/colorLightGrey"
+                    android:textSize="13sp" />
+
+                <TextView
+                    android:id="@+id/text_review_num_top"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="10dp"
+                    android:text="复习9"
+                    android:textColor="@color/colorLightGrey"
+                    android:textSize="13sp" />
+
+            </LinearLayout>
+
+        </RelativeLayout>
+
+    </androidx.cardview.widget.CardView>
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_above="@+id/linear_word_bottom"
+        android:layout_below="@+id/card_word_top"
+        android:layout_marginStart="15dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginEnd="15dp"
+        android:layout_marginBottom="20dp"
+        app:cardBackgroundColor="@color/colorBgWhite"
+        app:cardCornerRadius="10dp"
+        app:cardElevation="0dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/text_learn_word"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginEnd="10dp"
+                android:gravity="center"
+                android:maxLines="1"
+                android:singleLine="true"
+                android:text="sentence"
+                android:textColor="@color/colorMainBlue"
+                android:textSize="52sp"
+                android:textStyle="bold"
+
+                />
+
+            <TextView
+                android:id="@+id/text_learn_word_phone"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="12dp"
+                android:text="/'sent(ə)ns/"
+                android:textColor="@color/colorLightGrey"
+                android:textSize="15sp" />
+
+            <androidx.cardview.widget.CardView
+                android:id="@+id/card_lw_tip"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="50dp"
+                app:cardBackgroundColor="@color/colorLightWhite"
+                app:cardCornerRadius="10dp"
+                app:cardElevation="0dp">
+
+                <TextView
+                    android:id="@+id/text_lw_tip"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:paddingStart="20dp"
+                    android:paddingTop="15dp"
+                    android:paddingEnd="20dp"
+                    android:paddingBottom="15dp"
+                    android:text="This sentence bears no other construction."
+                    android:textColor="@color/colorBlack"
+                    android:textSize="17sp"
+                    android:textStyle="bold" />
+
+            </androidx.cardview.widget.CardView>
+
+        </LinearLayout>
+
+    </androidx.cardview.widget.CardView>
+
+    <!--学习界面-->
+    <!--认识/不认识-->
+
+    <!--复习界面-->
+
+    <LinearLayout
+        android:id="@+id/linear_word_bottom"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:id="@+id/linear_learn_control"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="15dp"
+            android:layout_marginEnd="15dp"
+            android:layout_marginBottom="20dp"
+            android:orientation="horizontal">
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="20dp"
+                android:layout_weight="1"
+                app:cardBackgroundColor="@color/colorBgWhite"
+                app:cardCornerRadius="10dp"
+                app:cardElevation="0dp">
+
+                <RelativeLayout
+                    android:id="@+id/card_know"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:paddingTop="20dp"
+                    android:paddingBottom="20dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_centerInParent="true"
+                        android:layout_gravity="center"
+                        android:text="认识"
+                        android:textColor="@color/colorBlack"
+                        android:textSize="15sp"
+                        android:textStyle="bold" />
+
+                </RelativeLayout>
+
+            </androidx.cardview.widget.CardView>
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="20dp"
+                android:layout_weight="1"
+                app:cardBackgroundColor="@color/colorBgWhite"
+                app:cardCornerRadius="10dp"
+                app:cardElevation="0dp">
+
+                <RelativeLayout
+                    android:id="@+id/card_dark"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:paddingTop="20dp"
+                    android:paddingBottom="20dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_centerInParent="true"
+                        android:layout_gravity="center"
+                        android:text="模糊"
+                        android:textColor="@color/colorBlack"
+                        android:textSize="15sp"
+                        android:textStyle="bold" />
+
+                </RelativeLayout>
+
+            </androidx.cardview.widget.CardView>
+
+            <androidx.cardview.widget.CardView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                app:cardBackgroundColor="@color/colorBgWhite"
+                app:cardCornerRadius="10dp"
+                app:cardElevation="0dp">
+
+                <RelativeLayout
+                    android:id="@+id/card_no_know"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:paddingTop="20dp"
+                    android:paddingBottom="20dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_centerInParent="true"
+                        android:text="不认识"
+                        android:textColor="@color/colorBlack"
+                        android:textSize="15sp"
+                        android:textStyle="bold" />
+
+                </RelativeLayout>
+
+            </androidx.cardview.widget.CardView>
+
+        </LinearLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recyclerview_word_mean"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:layout_marginEnd="10dp"
+            android:layout_marginBottom="10dp"
+            android:orientation="vertical"
+            android:overScrollMode="never"
+            android:scrollbars="none"
+            android:visibility="gone">
+
+        </androidx.recyclerview.widget.RecyclerView>
+
+        <LinearLayout
+            android:id="@+id/layout_word_bottom"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="20dp"
+            android:layout_marginEnd="20dp"
+            android:layout_marginBottom="20dp"
+            android:orientation="horizontal">
+
+            <RelativeLayout
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1">
+
+                <androidx.cardview.widget.CardView
+                    android:layout_width="40dp"
+                    android:layout_height="40dp"
+                    android:layout_centerVertical="true"
+                    app:cardBackgroundColor="@color/colorLightWhite"
+                    app:cardCornerRadius="20dp"
+                    app:cardElevation="0dp">
+
+                    <RelativeLayout
+                        android:id="@+id/layout_word_delete"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:background="?android:attr/selectableItemBackground">
+
+                        <ImageView
+                            android:layout_width="20dp"
+                            android:layout_height="20dp"
+                            android:layout_centerInParent="true"
+                            android:layout_gravity="center"
+                            android:src="@drawable/icon_ash" />
+
+                    </RelativeLayout>
+
+                </androidx.cardview.widget.CardView>
+
+            </RelativeLayout>
+
+            <RelativeLayout
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1">
+
+                <androidx.cardview.widget.CardView
+                    android:layout_width="40dp"
+                    android:layout_height="40dp"
+                    android:layout_centerInParent="true"
+                    app:cardBackgroundColor="@color/colorLightWhite"
+                    app:cardCornerRadius="20dp"
+                    app:cardElevation="0dp">
+
+                    <RelativeLayout
+                        android:id="@+id/layout_word_voice"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:background="?android:attr/selectableItemBackground">
+
+                        <ImageView
+                            android:layout_width="20dp"
+                            android:layout_height="20dp"
+                            android:layout_centerInParent="true"
+                            android:layout_gravity="center"
+                            android:scaleType="fitXY"
+                            android:src="@drawable/icon_voice" />
+
+                    </RelativeLayout>
+
+                </androidx.cardview.widget.CardView>
+
+            </RelativeLayout>
+
+            <RelativeLayout
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1">
+
+                <androidx.cardview.widget.CardView
+                    android:layout_width="40dp"
+                    android:layout_height="40dp"
+                    android:layout_alignParentEnd="true"
+                    android:layout_centerVertical="true"
+                    app:cardBackgroundColor="@color/colorLightWhite"
+                    app:cardCornerRadius="20dp"
+                    app:cardElevation="0dp">
+
+                    <RelativeLayout
+                        android:id="@+id/layout_word_tip"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:background="?android:attr/selectableItemBackground">
+
+                        <ImageView
+                            android:layout_width="20dp"
+                            android:layout_height="20dp"
+                            android:layout_centerInParent="true"
+                            android:layout_gravity="center"
+                            android:scaleType="fitXY"
+                            android:src="@drawable/icon_forget" />
+
+                    </RelativeLayout>
+                </androidx.cardview.widget.CardView>
+
+            </RelativeLayout>
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+
+</RelativeLayout>
\ No newline at end of file

app/src/main/res/layout/activity_recite_word.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.home.HomeFragment">
+
+
+    <TextView
+        android:id="@+id/word"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginEnd="10dp"
+        android:gravity="left"
+        android:maxLines="1"
+        android:singleLine="true"
+        android:text="word"
+        android:textColor="@color/btn_blue"
+        android:textSize="50sp"
+        android:textStyle="bold"
+
+        />
+    <LinearLayout
+        android:id="@+id/pa_layout"
+        android:layout_below="@+id/word"
+        android:layout_marginLeft="10dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content">
+        <ImageView
+            android:layout_gravity="bottom"
+            android:layout_width="25dp"
+            android:layout_height="20dp"
+            android:src="@drawable/img_uk" />
+        <TextView
+
+            android:id="@+id/pa_UK"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:paddingLeft="10dp"
+            android:text="/'sent(ə)ns/"
+            android:paddingRight="10dp"
+            android:textColor="@color/pa_text"
+            android:textSize="15sp" />
+
+        <ImageView
+            android:layout_gravity="bottom"
+            android:layout_width="25dp"
+            android:layout_height="20dp"
+            android:src="@drawable/img_us" />
+        <TextView
+            android:id="@+id/pa_US"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:layout_marginLeft="10dp"
+            android:text="/'sent(ə)ns/"
+            android:textColor="@color/pa_text"
+            android:textSize="15sp" />
+    </LinearLayout>
+    <androidx.cardview.widget.CardView
+        android:layout_marginTop="20dp"
+        android:layout_marginStart="20dp"
+        android:layout_below="@id/pa_layout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@color/transparent">
+        <LinearLayout
+            android:layout_width="100dp"
+            android:layout_height="50dp"/>
+    </androidx.cardview.widget.CardView>
+    <Button
+        android:id="@+id/word_next"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentRight="true"
+        android:layout_marginRight="40dp"
+        android:layout_marginBottom="20dp"
+
+        android:text="下一个" />
+
+
+
+</RelativeLayout>
\ No newline at end of file

app/src/main/res/layout/activity_test.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".TestActivity">
+
+    <Button
+        android:id="@+id/button1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="查询"
+        tools:layout_editor_absoluteX="169dp"
+        tools:layout_editor_absoluteY="176dp" />
+
+    <Button
+        android:id="@+id/btn_download"
+        android:layout_marginLeft="60dp"
+        android:layout_toRightOf="@+id/button1"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="下载词书"
+        tools:layout_editor_absoluteX="169dp"
+        tools:layout_editor_absoluteY="176dp" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_below="@+id/button1"
+        android:layout_width="104dp"
+        android:layout_height="69dp"
+        android:text="TextView"
+        tools:layout_editor_absoluteX="58dp"
+        tools:layout_editor_absoluteY="96dp" />
+    <EditText
+        android:layout_below="@+id/textView"
+        android:id="@+id/edt2"
+        android:layout_marginTop="20dp"
+        android:hint="输入单词序号"
+        android:background="@drawable/btn_white"
+        android:layout_width="180dp"
+        android:layout_height="50dp"/>
+</RelativeLayout>
\ No newline at end of file

app/src/main/res/layout/activity_word_book.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".WordBook">
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/book_refresh"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/book_list"
+        android:layout_marginTop="20dp"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="15dp"
+        android:layout_marginRight="15dp"
+        />
+</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+</RelativeLayout>
\ No newline at end of file

app/src/main/res/layout/item_wd_phrase.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="15dp"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/text_wd_item_phrase_en"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="internet access"
+        android:textColor="@color/colorLightBlack"
+        android:textSize="15sp" />
+
+    <TextView
+        android:id="@+id/text_wd_item_phrase_cn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:text="互联网接入"
+        android:textColor="@color/colorGrey"
+        android:textSize="13sp" />
+
+</LinearLayout>
\ No newline at end of file

app/src/main/res/layout/item_wd_sentence.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="15dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_toStartOf="@+id/img_wd_item_sentence_voice"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/text_wd_item_sen_en"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Users can access their voice mail remotely."
+            android:textColor="@color/colorLightBlack"
+            android:textSize="15sp" />
+
+        <TextView
+            android:id="@+id/text_wd_item_sen_cn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="5dp"
+            android:text="用户可以远程获取语音邮件。"
+            android:textColor="@color/colorGrey"
+            android:textSize="13sp" />
+
+    </LinearLayout>
+
+    <ImageView
+        android:layout_marginStart="5dp"
+        android:id="@+id/img_wd_item_sentence_voice"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        android:padding="3dp"
+        android:layout_alignParentEnd="true"
+        android:background="?android:attr/selectableItemBackground"
+        android:src="@drawable/icon_voice" />
+
+</RelativeLayout>
\ No newline at end of file

app/src/main/res/layout/item_word_mean_choice.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/item_card_word_choice"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="50dp"
+    android:layout_marginBottom="10dp"
+    android:layout_marginStart="5dp"
+    android:layout_marginEnd="5dp"
+    app:cardCornerRadius="10dp"
+    app:cardElevation="0dp">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginStart="20dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginEnd="20dp"
+        android:layout_marginBottom="10dp">
+
+        <TextView
+            android:id="@+id/item_text_word_means"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toStartOf="@+id/item_img_word_choice_status"
+            android:text="n.薄片；部分；菜刀，火铲"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@color/colorLightRed" />
+
+        <ImageView
+            android:id="@+id/item_img_word_choice_status"
+            android:layout_width="25dp"
+            android:layout_height="25dp"
+            android:layout_alignParentEnd="true"
+            android:layout_centerVertical="true"
+            android:layout_marginStart="10dp"
+            android:src="@drawable/icon_wrong" />
+
+    </RelativeLayout>
+
+</androidx.cardview.widget.CardView>
\ No newline at end of file

app/src/main/res/layout/word_book_card.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@color/red"
+    app:layout_constraintCircleRadius="24dp">
+
+
+<androidx.cardview.widget.CardView
+    android:layout_marginTop="15dp"
+    android:layout_marginRight="10dp"
+    android:layout_marginLeft="10dp"
+    android:layout_marginBottom="5dp"
+    android:background="@color/transparent_1"
+    app:cardCornerRadius="14dp"
+    android:layout_width="match_parent"
+    android:layout_height="200dp">
+
+    <LinearLayout
+        android:descendantFocusability="blocksDescendants"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+        <TextView
+            android:id="@+id/book_name"
+            android:layout_marginTop="5dp"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="词书名称"
+            android:textSize="28sp"
+            android:gravity="center"/>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+
+        <ImageView
+            android:id="@+id/book_image"
+            android:layout_width="160dp"
+            android:layout_height="match_parent"
+            android:layout_margin="5dp"
+            android:scaleType="fitCenter"
+            android:src="@drawable/translate" />
+
+            <RelativeLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+
+                <TextView
+                    android:id="@+id/book_introduce"
+                    android:text="词书介绍"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:padding="5dp"
+                    android:textSize="18sp"
+                    android:textStyle="bold"
+                    android:layout_centerVertical="true"/>
+
+                <Button
+                    android:id="@+id/book_download"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_alignParentBottom="true"
+                    android:layout_marginBottom="15dp"
+                    android:layout_centerHorizontal="true"
+                    android:text="@string/down_word_book" />
+
+            </RelativeLayout>
+        </LinearLayout>
+    </LinearLayout>
+</androidx.cardview.widget.CardView>
+
+</LinearLayout>
\ No newline at end of file