refactor: 修改util层

修改util层语言为kotlin

app/src/main/java/com/kaixed/kchat/utils/Constants.kt

@@ -1,24 +1,22 @@
-package com.kaixed.kchat.utils;
+package com.kaixed.kchat.utils
 
-public class Constants {
+/**
+ * @Author: kaixed
+ * @Date: 2024/10/24 22:03
+ */
+object Constants {
 
     // 消息类型
-
+    const val TYPE_ITEM_MINE: Int = 1
-    public static final int TYPE_ITEM_MINE = 1;
+    const val TYPE_ITEM_OTHER: Int = 2
-    public static final int TYPE_ITEM_OTHER = 2;
+    const val TYPE_MESSAGE_WITHDRAW: Int = 3
-    public static final int TYPE_MESSAGE_WITHDRAW = 3;
 
     // mmkv
+    const val MMKV_USER_SESSION: String = "userSession"
+    const val USER_LOGIN_STATUS: String = "userLoginStatus"
+    const val MMKV_COMMON_DATA: String = "commonData"
 
-    public static final String MMKV_USER_SESSION = "userSession";
+    const val MESSAGE_TYPE_NORMAL: Int = 1
-    public static final String USER_LOGIN_STATUS = "userLoginStatus";
+    const val MESSAGE_TYPE_FUNCTION: Int = 2
-    public static final String MMKV_COMMON_DATA = "commonData";
+    const val MESSAGE_TYPE_TITLE: Int = 2
-
-    public static final int MESSAGE_TYPE_NORMAL = 1;
-    public static final int MESSAGE_TYPE_FUNCTION = 2;
-    public static final int MESSAGE_TYPE_TITLE = 2;
-
-
-    private Constants() {
-    }
 }

app/src/main/java/com/kaixed/kchat/utils/ConstantsUtil.kt

@@ -1,16 +1,17 @@
-package com.kaixed.kchat.utils;
+package com.kaixed.kchat.utils
 
-import static com.kaixed.kchat.utils.Constants.MMKV_COMMON_DATA;
+import com.kaixed.kchat.utils.Constants.MMKV_COMMON_DATA
-
+import com.tencent.mmkv.MMKV
-import com.tencent.mmkv.MMKV;
 
 /**
  * @Author: kaixed
- * @Date: 2024/8/18 13:18
+ * @Date: 2024/10/24 22:04
  */
-public class ConstantsUtil {
+class ConstantsUtil {
-    public static int getKeyboardHeight() {
+
-        return MMKV.mmkvWithID(MMKV_COMMON_DATA)
+    companion object {
-                .getInt("keyboardHeight", 200);
+        fun getKeyboardHeight(): Int = MMKV.mmkvWithID(MMKV_COMMON_DATA)
+            .getInt("keyboardHeight", 200)
     }
+
 }

app/src/main/java/com/kaixed/kchat/utils/DensityUtil.kt

@@ -1,21 +1,15 @@
-package com.kaixed.kchat.utils;
+package com.kaixed.kchat.utils
 
-import android.content.Context;
+import android.content.Context
-import android.util.DisplayMetrics;
-import android.util.TypedValue;
-import android.view.View;
 
 /**
- * @author hui
+ * @Author: kaixed
+ * @Date: 2024/10/24 22:07
  */
-public class DensityUtil {
+object DensityUtil {
 
-    private DensityUtil() {
+    // 防止实例化，使用 object 即单例
-        // 私有化构造方法，防止实例化
+    fun dpToPx(mContext: Context, dp: Int): Int =
-    }
+        (mContext.resources.displayMetrics.density * dp).toInt()
-
-    public static int dpToPx(Context mContext, int dp) {
-        return (int) (mContext.getResources().getDisplayMetrics().density * dp);
-    }
 
 }

app/src/main/java/com/kaixed/kchat/utils/DrawableUtil.kt

@@ -1,18 +1,16 @@
-package com.kaixed.kchat.utils;
+package com.kaixed.kchat.utils
 
-import static com.kaixed.kchat.utils.DensityUtil.dpToPx;
+import android.graphics.drawable.GradientDrawable
-
-import android.graphics.drawable.GradientDrawable;
 
 /**
  * @Author: kaixed
- * @Date: 2024/8/14 19:22
+ * @Date: 2024/10/24 22:10
  */
-public class DrawableUtil {
+object DrawableUtil {
-    public static GradientDrawable createDrawable(Integer color, int radius) {
+    fun createDrawable(color: Int?, radius: Int): GradientDrawable {
-        GradientDrawable gradientDrawable = new GradientDrawable();
+        val gradientDrawable = GradientDrawable()
-        gradientDrawable.setCornerRadius(radius);
+        gradientDrawable.cornerRadius = radius.toFloat()
-        gradientDrawable.setColor(color);
+        gradientDrawable.setColor(color!!)
-        return gradientDrawable;
+        return gradientDrawable
     }
 }

app/src/main/java/com/kaixed/kchat/utils/ImageSpanUtil.kt

@@ -1,78 +1,59 @@
-package com.kaixed.kchat.utils;
+package com.kaixed.kchat.utils
 
-
+import android.content.Context
-import android.content.Context;
+import android.text.Editable
-import android.graphics.drawable.Drawable;
+import android.text.SpannableString
-import android.text.Editable;
+import android.text.Spanned
-import android.text.SpannableString;
+import androidx.core.content.res.ResourcesCompat
-import android.text.Spanned;
+import com.kaixed.kchat.R
-import android.text.style.ImageSpan;
+import java.util.regex.Pattern
-
-import androidx.core.content.res.ResourcesCompat;
-
-import com.kaixed.kchat.R;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 /**
  * @Author: kaixed
- * @Date: 2024/5/30 19:47
+ * @Date: 2024/10/24 22:12
  */
-public class ImageSpanUtil {
 
-    private static Map<String, Integer> emojiMap = new HashMap<>();
+object ImageSpanUtil {
-    private static final ImageSpanUtil INSTANCE = new ImageSpanUtil();
 
-    private ImageSpanUtil() {
+    private val emojiMap: MutableMap<String, Int> = hashMapOf("[委屈]" to R.drawable.emoji)
-        emojiMap.put("[委屈]", R.drawable.emoji);
-    }
 
-    public ImageSpanUtil getInstance() {
+    fun setEmojiSpan(context: Context, text: String, textSize: Int): SpannableString {
-        return INSTANCE;
+        val spannableString = SpannableString(text)
-    }
+        val regexPattern = "\\[.*?\\]"
 
-    public static SpannableString setEmojiSpan(Context context, String text, int textSize) {
+        val pattern = Pattern.compile(regexPattern)
-        SpannableString spannableString = new SpannableString(text);
+        val matcher = pattern.matcher(text)
-
-        String regexPattern = "\\[.*?\\]";
-
-        Pattern pattern = Pattern.compile(regexPattern);
-        Matcher matcher = pattern.matcher(text);
         while (matcher.find()) {
             // 获取匹配的起始和结束位置
-            int start = matcher.start();
+            val start = matcher.start()
-            int end = matcher.end();
+            val end = matcher.end()
-            if (emojiMap.containsKey(matcher.group())) {
+            val emojiResId = emojiMap[matcher.group()]
-                Drawable drawable = ResourcesCompat.getDrawable(context.getResources(), emojiMap.get(matcher.group()), null);
+            if (emojiResId != null) {
-                assert drawable != null;
+                val drawable = ResourcesCompat.getDrawable(context.resources, emojiResId, null)
-                int newSize = (int) (textSize * 1.2);
+                drawable?.let {
-                drawable.setBounds(0, 0, newSize, newSize);
+                    val newSize = (textSize * 1.2).toInt()
-                CenteredImageSpan centeredImageSpan = new CenteredImageSpan(drawable);
+                    it.setBounds(0, 0, newSize, newSize)
-                spannableString.setSpan(centeredImageSpan, start, end, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
+                    val centeredImageSpan = CenteredImageSpan(it)
+                    spannableString.setSpan(centeredImageSpan, start, end, Spanned.SPAN_INCLUSIVE_EXCLUSIVE)
+                }
             }
         }
-        return spannableString;
+        return spannableString
     }
 
-    public static void insertEmoji(Context context, Editable editable, int textSize, String emojiStr, int index) {
+    fun insertEmoji(context: Context, editable: Editable, textSize: Int, emojiStr: String, index: Int) {
         // 插入表情符号到当前光标位置
-        editable.insert(index, emojiStr);
+        editable.insert(index, emojiStr)
 
         // 创建表情符号的ImageSpan
-        if (emojiMap.containsKey(emojiStr)) {
+        val emojiResId = emojiMap[emojiStr]
-            Drawable drawable = ResourcesCompat.getDrawable(context.getResources(), emojiMap.get(emojiStr), null);
+        if (emojiResId != null) {
-            if (drawable != null) {
+            val drawable = ResourcesCompat.getDrawable(context.resources, emojiResId, null)
-                int newSize = (int) (textSize * 1.2);
+            drawable?.let {
-                drawable.setBounds(0, 0, newSize, newSize);
+                val newSize = (textSize * 1.2).toInt()
-                CenteredImageSpan centeredImageSpan = new CenteredImageSpan(drawable);
+                it.setBounds(0, 0, newSize, newSize)
-//                ImageSpan imageSpan = new ImageSpan(drawable, ImageSpan.ALIGN_CENTER);
+                val centeredImageSpan = CenteredImageSpan(it)
-                // 应用ImageSpan到Editable对象
+                editable.setSpan(centeredImageSpan, index, index + emojiStr.length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
-                editable.setSpan(centeredImageSpan, index, index + emojiStr.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
             }
         }
     }
-
-
 }

app/src/main/java/com/kaixed/kchat/utils/ImageUtil.java

@@ -1,55 +0,0 @@
-package com.kaixed.kchat.utils;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.graphics.RectF;
-import android.renderscript.Allocation;
-import android.renderscript.Element;
-import android.renderscript.RenderScript;
-import android.renderscript.ScriptIntrinsicBlur;
-
-public class ImageUtil {
-
-    public static Bitmap createRoundedBitmap(Bitmap bitmap, float radius) {
-        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
-        Canvas canvas = new Canvas(output);
-
-        final Paint paint = new Paint();
-        final RectF rectF = new RectF(0, 0, bitmap.getWidth(), bitmap.getHeight());
-
-        paint.setAntiAlias(true);
-        canvas.drawRoundRect(rectF, radius, radius, paint);
-
-        paint.setXfermode(new android.graphics.PorterDuffXfermode(android.graphics.PorterDuff.Mode.SRC_IN));
-        canvas.drawBitmap(bitmap, 0, 0, paint);
-
-        return output;
-    }
-
-    public static Bitmap blurBitmap(Context context, Bitmap bitmap, float radius) {
-        Bitmap output = Bitmap.createBitmap(bitmap);
-        RenderScript rs = RenderScript.create(context);
-        Allocation input = Allocation.createFromBitmap(rs, bitmap);
-        Allocation outputAlloc = Allocation.createTyped(rs, input.getType());
-
-        ScriptIntrinsicBlur blur = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
-        blur.setRadius(radius);
-        blur.setInput(input);
-        blur.forEach(outputAlloc);
-
-        outputAlloc.copyTo(output);
-        rs.destroy();
-
-        return output;
-    }
-
-    public static Bitmap addBlurredRoundedBackground(Context context, Bitmap original, float radius, float blurRadius) {
-        Bitmap roundedBitmap = createRoundedBitmap(original, radius);
-        Bitmap blurredBitmap = blurBitmap(context, roundedBitmap, blurRadius);
-
-        return blurredBitmap;
-    }
-}

app/src/main/java/com/kaixed/kchat/view/activity/ChatActivity.java

@@ -36,7 +36,6 @@ import com.kaixed.kchat.database.entity.Messages;
 import com.kaixed.kchat.database.entity.Messages_;
 import com.kaixed.kchat.databinding.ActivityChatBinding;
 import com.kaixed.kchat.service.WebSocketService;
-import com.kaixed.kchat.utils.ConstantsUtil;
 import com.kaixed.kchat.utils.ImageSpanUtil;
 import com.kaixed.kchat.view.adapter.ChatAdapter;
 import com.kaixed.kchat.view.adapter.EmojiAdapter;
@@ -54,6 +53,8 @@ import io.objectbox.Box;
 import io.objectbox.query.Query;
 import io.objectbox.query.QueryBuilder;
 
+import com.kaixed.kchat.utils.ConstantsUtil;
+
 /**
  * @author hui
  */
@@ -367,7 +368,7 @@ public class ChatActivity extends AppCompatActivity implements OnItemClickListen
             // 获取将要插入的表情符号
             String emoji = strings.get(position);
             // 使用 ImageSpanUtil 插入表情符号
-            ImageSpanUtil.insertEmoji(mContext, editable, (int) binding.etInput.getTextSize(), emoji, index);
+            ImageSpanUtil.INSTANCE.insertEmoji(mContext, editable, (int) binding.etInput.getTextSize(), emoji, index);
             // 设置新的光标位置
             binding.etInput.setSelection(index + emoji.length());
         });
@@ -394,7 +395,7 @@ public class ChatActivity extends AppCompatActivity implements OnItemClickListen
         username = UserManager.INSTANCE.getUsername();
         Intent intent = getIntent();
         friendId = intent.getStringExtra("friendId");
-        softKeyboardHeight = ConstantsUtil.getKeyboardHeight();
+        softKeyboardHeight = ConstantsUtil.Companion.getKeyboardHeight();
     }
 
 

app/src/main/java/com/kaixed/kchat/view/activity/ContactsDetailActivity.java

@@ -1,22 +1,11 @@
 package com.kaixed.kchat.view.activity;
 
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.RenderEffect;
-import android.graphics.Shader;
-import android.graphics.drawable.GradientDrawable;
-import android.os.Build;
 import android.os.Bundle;
 
 import androidx.activity.EdgeToEdge;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;
 
-import com.kaixed.kchat.R;
 import com.kaixed.kchat.databinding.ActivityContactsDetailBinding;
-import com.kaixed.kchat.utils.ImageUtil;
-
-import java.util.Objects;
 
 public class ContactsDetailActivity extends AppCompatActivity {
 

app/src/main/java/com/kaixed/kchat/view/activity/LoginActivity.java

@@ -3,8 +3,6 @@ package com.kaixed.kchat.view.activity;
 import static com.kaixed.kchat.utils.Constants.MMKV_COMMON_DATA;
 import static com.kaixed.kchat.utils.Constants.MMKV_USER_SESSION;
 import static com.kaixed.kchat.utils.Constants.USER_LOGIN_STATUS;
-import static com.kaixed.kchat.utils.DensityUtil.dpToPx;
-import static com.kaixed.kchat.utils.DrawableUtil.createDrawable;
 
 import android.content.Context;
 import android.content.Intent;
@@ -23,6 +21,8 @@ import androidx.lifecycle.ViewModelProvider;
 
 import com.kaixed.kchat.R;
 import com.kaixed.kchat.databinding.ActivityLoginBinding;
+import com.kaixed.kchat.utils.DensityUtil;
+import com.kaixed.kchat.utils.DrawableUtil;
 import com.kaixed.kchat.viewmodel.LoginViewModel;
 import com.tencent.mmkv.MMKV;
 
@@ -123,10 +123,10 @@ public class LoginActivity extends AppCompatActivity {
             if (s.length() != 0) {
                 if (binding.etUsername.getText().length() != 0 && binding.etPassword.getText().length() != 0) {
                     binding.tvLogin.setTextColor(ContextCompat.getColor(mContext, R.color.white));
-                    binding.tvLogin.setBackground(createDrawable(ContextCompat.getColor(mContext, R.color.green), dpToPx(mContext, 8)));
+                    binding.tvLogin.setBackground(DrawableUtil.INSTANCE.createDrawable(ContextCompat.getColor(mContext, R.color.green), DensityUtil.INSTANCE.dpToPx(mContext, 8)));
                 } else {
                     binding.tvLogin.setTextColor(Color.parseColor("#B4B4B4"));
-                    binding.tvLogin.setBackground(createDrawable(Color.parseColor("#E1E1E1"), dpToPx(mContext, 8)));
+                    binding.tvLogin.setBackground(DrawableUtil.INSTANCE.createDrawable(Color.parseColor("#E1E1E1"), DensityUtil.INSTANCE.dpToPx(mContext, 8)));
                 }
             }
         }

app/src/main/java/com/kaixed/kchat/view/adapter/ChatAdapter.java

@@ -1,222 +0,0 @@
-//package com.kaixed.kchat.view.adapter;
-//
-//import static com.kaixed.kchat.utils.Constants.TYPE_ITEM_MINE;
-//import static com.kaixed.kchat.utils.Constants.TYPE_ITEM_OTHER;
-//import static com.kaixed.kchat.utils.Constants.TYPE_MESSAGE_WITHDRAW;
-//
-//import android.annotation.SuppressLint;
-//import android.content.Context;
-//import android.graphics.drawable.ColorDrawable;
-//import android.text.SpannableString;
-//import android.view.LayoutInflater;
-//import android.view.View;
-//import android.view.ViewGroup;
-//import android.widget.ImageView;
-//import android.widget.PopupWindow;
-//import android.widget.TextView;
-//
-//import androidx.annotation.NonNull;
-//import androidx.recyclerview.widget.RecyclerView;
-//import androidx.window.layout.WindowMetrics;
-//import androidx.window.layout.WindowMetricsCalculator;
-//
-//import com.kaixed.kchat.R;
-//import com.kaixed.kchat.database.entity.Messages;
-//import com.kaixed.kchat.database.ObjectBox;
-//import com.kaixed.kchat.database.UserManager;
-//import com.kaixed.kchat.utils.ImageSpanUtil;
-//
-//import java.util.LinkedList;
-//
-//import io.objectbox.Box;
-//
-///**
-// * @Author: kaixed
-// * @Date: 2024/5/4 22:48
-// */
-//public class ChatAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
-//    private final LinkedList<Messages> messages;
-//    private final Context mContext;
-//
-//    public ChatAdapter(Context mContext, LinkedList<Messages> messages) {
-//        this.messages = messages;
-//        this.mContext = mContext;
-//    }
-//
-//    @NonNull
-//    @Override
-//    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-//        RecyclerView.ViewHolder viewHolder;
-//        LayoutInflater inflater = LayoutInflater.from(parent.getContext());
-//        if (viewType == TYPE_ITEM_MINE) {
-//            View view = inflater.inflate(R.layout.chat_recycle_item_mine, parent, false);
-//            viewHolder = new MineViewHolder(view);
-//        } else if (viewType == TYPE_ITEM_OTHER) {
-//            View view = inflater.inflate(R.layout.chat_recycle_item_other, parent, false);
-//            viewHolder = new OtherViewHolder(view);
-//        } else {
-//            View view = inflater.inflate(R.layout.chat_recycle_item_withdraw, parent, false);
-//            viewHolder = new WithdrawViewHolder(view);
-//        }
-//        return viewHolder;
-//    }
-//
-//    @Override
-//    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
-//
-//        Messages singleMessage = messages.get(position);
-//        if (singleMessage == null) {
-//            return;
-//        }
-//        if (holder.getItemViewType() == TYPE_ITEM_MINE) {
-//            MineViewHolder mineViewHolder = (MineViewHolder) holder;
-//            SpannableString spannableString = ImageSpanUtil.setEmojiSpan(mContext, singleMessage.getContent(), (int) mineViewHolder.mTvContent.getTextSize());
-//
-//            mineViewHolder.mTvContent.setText(spannableString);
-//
-//            mineViewHolder.mTvContent.setOnLongClickListener(v -> {
-//                showPopupWindow(v, position);
-//                return true;
-//            });
-//
-//        } else if (holder.getItemViewType() == TYPE_ITEM_OTHER) {
-//            OtherViewHolder otherViewHolder = (OtherViewHolder) holder;
-//
-//            SpannableString spannableString = ImageSpanUtil.setEmojiSpan(mContext, singleMessage.getContent(), (int) otherViewHolder.mTvContent.getTextSize());
-//
-//            otherViewHolder.mTvContent.setText(spannableString);
-//            otherViewHolder.mTvContent.setOnLongClickListener(v -> {
-//                showPopupWindow(v, position);
-//                return true;
-//            });
-//        } else {
-//            WithdrawViewHolder mineViewHolder = (WithdrawViewHolder) holder;
-//            mineViewHolder.bindData(singleMessage.getSenderId());
-//        }
-//
-//    }
-//
-//    /**
-//     * 用来显示消息长按弹窗
-//     */
-//    private void showPopupWindow(@NonNull View textView, int position) {
-//        @SuppressLint("InflateParams") View popupView = LayoutInflater.from(mContext).inflate(R.layout.popwindows, null);
-//
-//        PopupWindow popupWindow = new PopupWindow(popupView,
-//                ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
-//
-//        popupWindow.setFocusable(true);
-//        popupWindow.setBackgroundDrawable(new ColorDrawable());
-//
-//
-//        popupView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
-//        int popupWidth = popupView.getMeasuredWidth();
-//        int popupHeight = popupView.getMeasuredHeight();
-//
-//        int anchorWidth = textView.getWidth();
-//        int anchorHeight = textView.getHeight();
-//        int offsetX = (anchorWidth - popupWidth) / 2;
-//
-//        int offset = 15;
-//
-//        ImageView mIvArrowUp = popupView.findViewById(R.id.iv_arrow_up);
-//        ImageView mIvArrowDown = popupView.findViewById(R.id.iv_arrow_down);
-//
-//        if (getDistanceFromTop(textView) > anchorHeight) {
-//            popupWindow.showAsDropDown(textView, offsetX, -offset - anchorHeight - popupHeight);
-//            mIvArrowUp.setVisibility(View.GONE);
-//            mIvArrowDown.setVisibility(View.VISIBLE);
-//        } else {
-//            popupWindow.showAsDropDown(textView, offsetX, 10);
-//            mIvArrowUp.setVisibility(View.VISIBLE);
-//            mIvArrowDown.setVisibility(View.GONE);
-//        }
-//
-//        ImageView mIvWithdraw = popupView.findViewById(R.id.iv_withdraw);
-//
-//        mIvWithdraw.setOnClickListener(v -> {
-//            messages.get(position).setStatus("withdraw");
-//            updateDb(messages.get(position));
-//            notifyItemChanged(position);
-//
-//            popupWindow.dismiss();
-//        });
-//    }
-//
-//    private void updateDb(Messages messages) {
-//        Box<Messages> messagesBox = ObjectBox.get().boxFor(Messages.class);
-//        messagesBox.put(messages);
-//    }
-//
-//    private int getDistanceFromTop(View view) {
-//        int[] location = new int[2];
-//        view.getLocationOnScreen(location);
-//        //location[0]指的是横向距离
-//        return location[1];
-//    }
-//
-//    private int getDistanceFromBottom(@NonNull View view) {
-//        // 获取控件在屏幕上的位置
-//        int[] location = new int[2];
-//        view.getLocationOnScreen(location);
-//        // 获取屏幕高度
-//        WindowMetrics windowMetrics = WindowMetricsCalculator.getOrCreate().computeCurrentWindowMetrics(mContext);
-//        int screenHeight = windowMetrics.getBounds().height();
-//        // 计算控件底部到屏幕底部的距离
-//        int viewBottom = location[1] + view.getHeight();
-//        return screenHeight - viewBottom;
-//    }
-//
-//    @Override
-//    public int getItemViewType(int position) {
-//        String curUser = UserManager.getInstance().getUsername();
-//        if ("withdraw".equals(messages.get(position).getStatus())) {
-//            return TYPE_MESSAGE_WITHDRAW;
-//        }
-//        return curUser.equals(messages.get(position).getSenderId()) ? TYPE_ITEM_MINE : TYPE_ITEM_OTHER;
-//    }
-//
-//    @Override
-//    public int getItemCount() {
-//        return messages.isEmpty() ? 0 : messages.size();
-//    }
-//
-//    static class MineViewHolder extends RecyclerView.ViewHolder {
-//        private final TextView mTvContent;
-//
-//        public MineViewHolder(@NonNull View itemView) {
-//            super(itemView);
-//            mTvContent = itemView.findViewById(R.id.tv_mine_content);
-//        }
-//
-//        private void bindData(Messages singleMessage) {
-//            mTvContent.setText(singleMessage.getContent());
-//        }
-//    }
-//
-//    static class OtherViewHolder extends RecyclerView.ViewHolder {
-//        private final TextView mTvContent;
-//
-//        public OtherViewHolder(@NonNull View itemView) {
-//            super(itemView);
-//            mTvContent = itemView.findViewById(R.id.tv_other_content);
-//        }
-//
-//        private void bindData(Messages singleMessage) {
-//            mTvContent.setText(singleMessage.getContent());
-//        }
-//    }
-//
-//    static class WithdrawViewHolder extends RecyclerView.ViewHolder {
-//        private final TextView mTvNickname;
-//
-//        public WithdrawViewHolder(@NonNull View itemView) {
-//            super(itemView);
-//            mTvNickname = itemView.findViewById(R.id.tv_user_nickname);
-//        }
-//
-//        private void bindData(String nickname) {
-//            mTvNickname.setText(nickname);
-//        }
-//    }
-//}