1:修改群了会抽奖的动画

2：动画未完成

moduleUtil/src/main/java/com/xscm/moduleutil/adapter/AppUpdateDialog.java

@@ -63,7 +63,7 @@ public class AppUpdateDialog extends BaseDialog<DialogAppUpdateBinding> implemen
             };
             mProgressDialog.setMax(100);//设置最大值
             mProgressDialog.setTitle("安装包下载");//设置标题
-            mProgressDialog.setIcon(R.mipmap.ic_launcher);//设置标题小图标
+            mProgressDialog.setIcon(R.mipmap.ic_launcher_app);//设置标题小图标
             mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);//设置样式为横向显示进度的样式
             mProgressDialog.incrementProgressBy(0);//设置初始值为0，其实可以不用设置，默认就是0
             mProgressDialog.setIndeterminate(false);//是否精确显示对话框，flase为是，反之为否

moduleUtil/src/main/java/com/xscm/moduleutil/bean/blindboxwheel/XlhDrawBean.java

@@ -10,7 +10,7 @@ import lombok.Data;
 public class XlhDrawBean {
     private int gift_id;
     private String gift_name;
-    private String gift_base_image;
+    private String base_image;
     private String gift_price;
     private int count ;
 }

moduleUtil/src/main/java/com/xscm/moduleutil/dialog/giftLottery/GiftItemAdapter.java

@@ -15,7 +15,7 @@ public class GiftItemAdapter extends BaseQuickAdapter<XlhDrawBean, BaseViewHolde
     protected void convert(BaseViewHolder helper, XlhDrawBean item) {
 
         helper.setText(R.id.tv_gift_name, item.getGift_name()+"x"+item.getCount());
-        ImageUtils.loadHeadCC(item.getGift_base_image(),helper.getView(R.id.gift_img));
+        ImageUtils.loadHeadCC(item.getBase_image(),helper.getView(R.id.gift_img));
 
     }
 }

moduleUtil/src/main/java/com/xscm/moduleutil/dialog/giftLottery/GiftXlhChouAdapter.java

@@ -1,20 +1,143 @@
 package com.xscm.moduleutil.dialog.giftLottery;
 
+import android.view.View;
+
 import com.chad.library.adapter.base.BaseQuickAdapter;
 import com.chad.library.adapter.base.BaseViewHolder;
 import com.xscm.moduleutil.R;
 import com.xscm.moduleutil.bean.GiftBean;
 import com.xscm.moduleutil.utils.ImageUtils;
 
+import java.util.ArrayList;
+import java.util.List;
+
+import lombok.Getter;
+
+@Getter
 public class GiftXlhChouAdapter extends BaseQuickAdapter<GiftBean, BaseViewHolder> {
+    private List<GiftBean> giftLists = new ArrayList<>();
+    private int selectedPosition = -1;
+    private static final int LOOP_COUNT = 6; // 循环倍数
+
+
     public GiftXlhChouAdapter() {
         super(R.layout.item_xlh);
     }
+    // 设置数据时创建循环数据
+    @Override
+    public void setNewData(List<GiftBean> data) {
+        this.giftLists = data != null ? data : new ArrayList<>();
+        super.setNewData(createLoopData());
+    }
+
+    /**
+     * 创建循环数据
+     * @return 循环数据列表
+     */
+    private List<GiftBean> createLoopData() {
+        List<GiftBean> loopData = new ArrayList<>();
+        if (giftLists.isEmpty()) {
+            return loopData;
+        }
+
+        // 创建足够多的循环数据以实现循环效果
+        for (int i = 0; i < LOOP_COUNT; i++) {
+            loopData.addAll(giftLists);
+        }
+        return loopData;
+    }
 
+    @Override
+    public int getItemCount() {
+        // 如果原始数据为空，返回0
+        if (giftLists.isEmpty()) {
+            return 0;
+        }
+        // 返回循环数据的数量
+        return super.getItemCount();
+    }
+    /**
+     * 获取实际位置（将循环位置映射到原始数据位置）
+     * @param position 循环列表中的位置
+     * @return 原始数据中的实际位置
+     */
+    private int getActualPosition(int position) {
+        if (giftLists.isEmpty()) {
+            return 0;
+        }
+        return position % giftLists.size();
+    }
     @Override
     protected void convert(BaseViewHolder helper, GiftBean item) {
-        helper.setText(R.id.tv_gift_name, item.getGift_name());
+        // 获取实际位置
-        helper.setText(R.id.tv_gift_pic, item.getGift_price());
+        int actualPosition = getActualPosition(helper.getAdapterPosition());
-        ImageUtils.loadHeadCC(item.getBase_image(),helper.getView(R.id.iv_gift_image));
+        GiftBean actualItem = giftLists.get(actualPosition);
+
+        helper.setText(R.id.tv_gift_name, actualItem.getGift_name());
+        helper.setText(R.id.tv_gift_pic, actualItem.getGift_price());
+        ImageUtils.loadHeadCC(actualItem.getBase_image(), helper.getView(R.id.iv_gift_image));
+        // 处理选中状态
+        View selectedIcon = helper.getView(R.id.selected_icon);
+        // 处理选中状态
+        if (selectedIcon != null) {
+            // 检查当前item是否为选中位置
+            if (actualPosition == selectedPosition) {
+                selectedIcon.setVisibility(View.VISIBLE);
+            } else {
+                selectedIcon.setVisibility(View.GONE);
+            }
+        }
+    }
+    /**
+     * 设置选中位置并更新UI
+     * @param position 选中的位置
+     */
+    public void setSelectedPosition(int position) {
+        int previousPosition = selectedPosition;
+        selectedPosition = position;
+
+        if (previousPosition >= 0) {
+            notifyItemsByActualPosition(previousPosition, false);
+        }
+
+        if (selectedPosition >= 0) {
+            notifyItemsByActualPosition(selectedPosition, true);
+        }
+    }
+    /**
+     * 根据实际位置通知所有匹配的item更新
+     * @param actualPosition 原始数据中的位置
+     * @param isSelected 是否选中
+     */
+    private void notifyItemsByActualPosition(int actualPosition, boolean isSelected) {
+        if (giftLists.isEmpty() || actualPosition >= giftLists.size()) {
+            return;
+        }
+
+        // 通知所有匹配该实际位置的item更新
+        for (int i = 0; i < getItemCount(); i++) {
+            if (getActualPosition(i) == actualPosition) {
+                notifyItemChanged(i);
+            }
+        }
+    }
+    /**
+     * 清除选中状态
+     */
+    public void clearSelection() {
+        int previousPosition = selectedPosition;
+        selectedPosition = -1;
+
+        if (previousPosition >= 0) {
+            notifyItemsByActualPosition(previousPosition, false);
+        }
+    }
+
+    /**
+     * 获取原始数据大小
+     * @return 原始数据大小
+     */
+    public int getOriginalDataSize() {
+        return giftLists.size();
     }
 }

moduleUtil/src/main/java/com/xscm/moduleutil/dialog/giftLottery/TourClubDialogFragment.java

@@ -13,6 +13,8 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearSnapHelper;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.blankj.utilcode.util.TimeUtils;
 import com.xscm.moduleutil.R;
@@ -26,6 +28,8 @@ import com.xscm.moduleutil.bean.blindboxwheel.XlhDrawBean;
 import com.xscm.moduleutil.databinding.FragmentTourClubDialogBinding;
 import com.xscm.moduleutil.dialog.WebViewDialog;
 import com.xscm.moduleutil.utils.ImageUtils;
+import com.xscm.moduleutil.widget.CenterScrollHelper;
+import com.xscm.moduleutil.widget.EqualSpaceItemDecoration;
 import com.xscm.moduleutil.widget.InfintLinearLayoutManager;
 import com.xscm.moduleutil.widget.pagerecyclerview.PagerGridSnapHelper;
 
@@ -47,6 +51,10 @@ public class TourClubDialogFragment extends BaseMvpDialogFragment<GiftLotteryPre
     private XlhRecordDialog xlhRecordDialog;
 
     private GiftXlhChouAdapter giftXlhChouAdapter;
+    private CenterScrollHelper scrollHelper;
+
+    private static final int ITEM_COUNT = 24;
+    private static final int ROTATION_COUNT = 3;
 
     @Override
     protected GiftLotteryPresenter bindPresenter() {
@@ -121,14 +129,31 @@ public class TourClubDialogFragment extends BaseMvpDialogFragment<GiftLotteryPre
         mBinding.tvJl.setOnClickListener(this::onClick);
 
         giftXlhChouAdapter=new GiftXlhChouAdapter();
-        GridLayoutManager layoutManager = new GridLayoutManager(getActivity(), 3);
+        // 使用 LinearLayoutManager 横向滚动
-
+        LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity(), LinearLayoutManager.HORIZONTAL, false);
-        mBinding.recycleView.setLayoutManager(new InfintLinearLayoutManager(mBinding.recycleView));
+        mBinding.recycleView.setLayoutManager(layoutManager);
         mBinding.recycleView.setOnFlingListener(null);
+
         // 设置滚动辅助工具
-        PagerGridSnapHelper pageSnapHelper = new PagerGridSnapHelper();
+        LinearSnapHelper snapHelper = new LinearSnapHelper();
-        pageSnapHelper.attachToRecyclerView(mBinding.recycleView);
+        snapHelper.attachToRecyclerView(mBinding.recycleView);
+
+        // 添加 ItemDecoration 实现等宽分布
+        int spacing = getResources().getDimensionPixelSize(R.dimen.dp_15); // 根据需要调整间距
+        mBinding.recycleView.addItemDecoration(new EqualSpaceItemDecoration(3, spacing));
+
         mBinding.recycleView.setAdapter(giftXlhChouAdapter);
+        // 初始化滚动帮助类
+        scrollHelper = new CenterScrollHelper(mBinding.recycleView);
+
+        // 初始化时滚动到中间位置，确保有足够的前后数据
+        mBinding.recycleView.post(() -> {
+            if (giftXlhChouAdapter.getOriginalDataSize() > 0) {
+                int middlePosition = giftXlhChouAdapter.getItemCount() / 2;
+                mBinding.recycleView.scrollToPosition(middlePosition);
+            }
+        });
+
 
     }
 
@@ -190,6 +215,8 @@ public class TourClubDialogFragment extends BaseMvpDialogFragment<GiftLotteryPre
             getRule_url=blindBoxBean.getRule_url();
             upTitle(blindBoxBean.getBox_price());
             giftLists = blindBoxBean.getGift_list();
+// 初始滚动到中间位置，避免边界问题
+//            mBinding.recycleView.scrollToPosition(Integer.MAX_VALUE / 2 - (Integer.MAX_VALUE / 2) % giftLists.size());
 
             // 获取结束时间并启动倒计时
             if (blindBoxBean.getXlh_end_time() != null && !blindBoxBean.getXlh_end_time().isEmpty()) {
@@ -228,7 +255,7 @@ public class TourClubDialogFragment extends BaseMvpDialogFragment<GiftLotteryPre
     private void upTitle(int boxPrice){
             mBinding.tvOne.setText(boxPrice+"币一次");
             mBinding.tvTen.setText((boxPrice*10)+"币十次");
-            mBinding.tvHundred.setText((boxPrice*100)+"币十次");
+            mBinding.tvHundred.setText((boxPrice*100)+"币百次");
     }
 
     // TODO: 2025/8/29 接收im推送过来的消息
@@ -357,27 +384,367 @@ public class TourClubDialogFragment extends BaseMvpDialogFragment<GiftLotteryPre
     @Override
     public void xlhChouSuccess(List<XlhDrawBean> data) {
         if (data != null){
-            // 创建并显示对话框
+            // 抽奖完成后执行动画滚动
-            XlhObtainDialog dialog = new XlhObtainDialog(getActivity());
+            mBinding.recycleView.postDelayed(() -> {
-            dialog.setOnGiftItemClickListener(new XlhObtainDialog.OnGiftItemClickListener() {
+                int winningPosition = findHighestValueWinningPosition(data);
+                if (winningPosition != -1) {
 
-                @Override
+                    startLotteryAnimation(winningPosition);
-                public void onPlayAgainClick() {
+
-                    // 处理再玩一次点击事件
+
-                    MvpPre.xlhChou(roomId,num);
+                    /**
+
+
+                    // 计算在循环列表中的目标位置（滚动几圈后停在目标位置）
+                    int loopCount = 4; // 滚动3圈
+                    int originalSize = giftXlhChouAdapter.getOriginalDataSize();
+                    // 计算目标在循环列表中的位置（确保在中间区域）
+
+                    int middleBaseIndex = (loopCount * originalSize) + (originalSize / 2);
+                    int targetLoopIndex = middleBaseIndex + (winningPosition % originalSize);
+
+                    // 使用scrollWithCircles方法执行带动画的滚动（带完成回调）
+                    scrollHelper.scrollWithCircles(
+                            targetLoopIndex,  // 在循环列表中的位置
+                            loopCount,  // 滚动圈数
+                            500, // 每个item滚动时间200ms（控制速度）
+                            originalSize, // 原始数据大小
+                            () -> { // 滚动完成回调
+                                // 滚动完成后更新选中状态（使用原始位置）
+                                if (giftXlhChouAdapter != null) {
+                                    giftXlhChouAdapter.setSelectedPosition(winningPosition);
+                                }
+// 滚动完成后延迟一小段时间再居中，确保UI更新完成
+                                mBinding.recycleView.postDelayed(() -> {
+                                    // 手动将选中项居中
+                                    centerSelectedItem(winningPosition, originalSize);
+
+                                    // 显示结果对话框
+                                    getActivity().runOnUiThread(() -> {
+                                        showResultDialog(data);
+                                    });
+                                }, 100);
+                                // 在滚动完成后再显示对话框
+//                                getActivity().runOnUiThread(() -> {
+//                                    showResultDialog(data);
+//                                });
+                            }
+                    );
+                      */
+                } else {
+                    // 如果没有找到中奖位置，直接显示对话框
+                    showResultDialog(data);
                 }
-
+            }, 300);
-                @Override
-                public void onCloseClick() {
-                    // 处理关闭点击事件
-                    dialog.dismiss();
-                }
-            });
-
-            dialog.show();
-            dialog.setGiftList(data);
-
         }
         MvpPre.wallet();
     }
+
+    private void startLotteryAnimation(int targetIndex) {
+        // 确保适配器有数据
+        if (giftXlhChouAdapter == null || giftXlhChouAdapter.getOriginalDataSize() <= 0) {
+            showResultDialogWithoutAnimation(targetIndex);
+            return;
+        }
+
+        LinearLayoutManager layoutManager = (LinearLayoutManager) mBinding.recycleView.getLayoutManager();
+        if (layoutManager == null) {
+            showResultDialogWithoutAnimation(targetIndex);
+            return;
+        }
+
+        // 获取当前第一个可见的item位置
+        int firstVisiblePosition = layoutManager.findFirstVisibleItemPosition();
+        if (firstVisiblePosition == RecyclerView.NO_POSITION) {
+            firstVisiblePosition = 0;
+        }
+
+        // 获取当前在原始数据中的实际位置
+        int currentActualPosition = firstVisiblePosition % giftXlhChouAdapter.getOriginalDataSize();
+
+        // 计算需要滚动的总item数
+        // 滚动指定圈数 + 从当前位置到目标位置的距离
+        int itemsToScroll = ROTATION_COUNT * giftXlhChouAdapter.getOriginalDataSize()
+                + (targetIndex - currentActualPosition + giftXlhChouAdapter.getOriginalDataSize())
+                % giftXlhChouAdapter.getOriginalDataSize();
+
+        // 计算目标位置
+        int targetPosition = firstVisiblePosition + itemsToScroll;
+
+        // 确保目标位置在合理范围内
+        int maxPosition = giftXlhChouAdapter.getItemCount() - 1;
+        if (targetPosition > maxPosition) {
+            targetPosition = maxPosition;
+        }
+
+        // 确保目标位置有效
+        if (targetPosition >= 0) {
+            try {
+                SmoothScroller smoothScroller = new SmoothScroller(getActivity(), targetPosition);
+                layoutManager.startSmoothScroll(smoothScroller);
+            } catch (IllegalArgumentException e) {
+                // 如果仍然出现异常，使用备选方案
+                showResultDialogWithoutAnimation(targetIndex);
+            }
+        } else {
+            showResultDialogWithoutAnimation(targetIndex);
+        }
+    }
+
+
+    private void showResultDialogWithoutAnimation(int targetIndex) {
+        // 直接设置选中状态
+        if (giftXlhChouAdapter != null) {
+            giftXlhChouAdapter.setSelectedPosition(targetIndex);
+        }
+
+        // 延迟显示结果对话框
+        mBinding.recycleView.postDelayed(() -> {
+            // 创建假的XlhDrawBean数据用于显示结果
+            List<XlhDrawBean> fakeData = new ArrayList<>();
+            // 这里根据需要构造假数据
+            showResultDialog(fakeData);
+        }, 300);
+    }
+
+
+    private class SmoothScroller extends androidx.recyclerview.widget.LinearSmoothScroller {
+
+        private int targetPosition;
+
+        public SmoothScroller(android.content.Context context, int targetPosition) {
+            super(context);
+            this.targetPosition = targetPosition;
+        }
+
+        @Override
+        protected int calculateTimeForScrolling(int dx) {
+            // 自定义滚动时间，实现速度变化
+            float distance = Math.abs(dx);
+            float speed = 1f;
+            if (distance < 100) {
+                speed = 0.3f; // 慢
+            } else if (distance < 300) {
+                speed = 1f; // 快
+            } else {
+                speed = 0.3f; // 慢
+            }
+            return (int) (distance / speed);
+        }
+
+        @Override
+        public int calculateDtToFit(int viewStart, int viewEnd, int boxStart, int boxEnd, int snapPreference) {
+            // 将目标项移动到屏幕中心
+            return (boxStart + (boxEnd - boxStart) / 2) - (viewStart + (viewEnd - viewStart) / 2);
+        }
+
+        @Override
+        public int getTargetPosition() {
+            // 添加更严格的边界检查
+            if (giftXlhChouAdapter != null && targetPosition >= 0 && targetPosition < giftXlhChouAdapter.getItemCount()) {
+                return targetPosition;
+            }
+            // 如果超出范围，返回一个安全的位置
+            if (giftXlhChouAdapter != null && giftXlhChouAdapter.getItemCount() > 0) {
+                return Math.max(0, Math.min(targetPosition, giftXlhChouAdapter.getItemCount() - 1));
+            }
+            return 0; // 返回默认位置
+        }
+    }
+
+
+    /**
+     * 将指定的原始位置item居中显示
+     * @param originalPosition 原始数据中的位置
+     * @param originalSize 原始数据大小
+     */
+    private void centerSelectedItem(int originalPosition, int originalSize) {
+        LinearLayoutManager layoutManager = (LinearLayoutManager) mBinding.recycleView.getLayoutManager();
+        if (layoutManager == null) return;
+
+        // 计算出需要滚动到的目标位置
+        int targetPosition = originalPosition + 4 * originalSize;
+
+        // 使用smoothScrollToPosition滚动到目标位置
+        mBinding.recycleView.smoothScrollToPosition(targetPosition);
+
+        // 等待滚动完成
+        mBinding.recycleView.postDelayed(() -> {
+            // 计算出选中项的偏移量，确保它在中间
+            View view = layoutManager.findViewByPosition(targetPosition);
+            if (view == null) return;
+
+            // 计算出RecyclerView的宽度和View的宽度
+            int recyclerViewWidth = mBinding.recycleView.getWidth();
+            int viewWidth = view.getWidth();
+
+            // 计算偏移量，确保view居中
+            int offsetToCenter = (recyclerViewWidth / 2) - (viewWidth / 2) - view.getLeft();
+
+            // 调整滚动的位置
+            mBinding.recycleView.scrollBy(offsetToCenter, 0);
+        }, 500); // 500毫秒的延迟，根据实际情况调整
+    }
+
+    /**
+     * 直接滚动到指定位置并居中
+     * @param targetPosition 目标位置
+     */
+    private void directScrollToCenter(int targetPosition) {
+        if (mBinding.recycleView.getLayoutManager() == null) return;
+
+        mBinding.recycleView.post(() -> {
+            int screenWidth = mBinding.recycleView.getWidth();
+            if (screenWidth <= 0) return;
+
+            // 计算item宽度
+            int itemWidth = screenWidth / 3;
+
+            // 计算目标位置的左边缘
+            int targetLeft = targetPosition * itemWidth;
+
+            // 计算使item居中需要滚动到的位置
+            int targetScrollX = targetLeft - (screenWidth - itemWidth) / 2;
+
+            // 直接滚动到目标位置
+            mBinding.recycleView.scrollBy(
+                    targetScrollX - mBinding.recycleView.computeHorizontalScrollOffset(),
+                    0
+            );
+        });
+    }
+
+
+    /**
+     * 滚动到指定位置并使该位置的item居中显示
+     * @param selectedPosition 选中的原始位置
+     */
+    private void scrollToCenterWithSelected(int selectedPosition) {
+        if (mBinding.recycleView.getLayoutManager() == null) return;
+
+        int screenWidth = mBinding.recycleView.getWidth();
+        if (screenWidth <= 0) return;
+
+        // 计算item宽度
+        int itemWidth = screenWidth / 3;
+
+        // 计算要滚动到的中心位置（使selectedPosition的item居中）
+        int middlePositionInLoop = (giftXlhChouAdapter.getItemCount() / 2 / giftXlhChouAdapter.getOriginalDataSize())
+                * giftXlhChouAdapter.getOriginalDataSize() + selectedPosition;
+
+        // 滚动到目标位置
+        mBinding.recycleView.smoothScrollToPosition(middlePositionInLoop);
+
+        // 额外确保居中
+        mBinding.recycleView.postDelayed(() -> {
+            if (scrollHelper != null) {
+                scrollHelper.scrollToCenter(middlePositionInLoop);
+            }
+        }, 300);
+    }
+
+    /**
+     * 显示抽奖结果对话框
+     * @param data 中奖数据
+     */
+    private void showResultDialog(List<XlhDrawBean> data) {
+        // 创建并显示对话框
+        XlhObtainDialog dialog = new XlhObtainDialog(getActivity());
+        dialog.setOnGiftItemClickListener(new XlhObtainDialog.OnGiftItemClickListener() {
+
+            @Override
+            public void onPlayAgainClick() {
+                // 处理再玩一次点击事件
+                MvpPre.xlhChou(roomId, num);
+            }
+
+            @Override
+            public void onCloseClick() {
+                // 处理关闭点击事件
+                dialog.dismiss();
+            }
+        });
+
+        dialog.show();
+        dialog.setGiftList(data);
+    }
+    /**
+     * 根据中奖结果找到最高价值奖品在giftLists中的位置
+     * @param data 中奖结果列表
+     * @return 最高价值奖品在giftLists中的下标，如果没有找到则返回-1
+     */
+    private int findHighestValueWinningPosition(List<XlhDrawBean> data) {
+        if (data == null || data.isEmpty() || giftLists == null || giftLists.isEmpty()) {
+            return -1;
+        }
+
+        int targetPosition = -1;
+        int highestPrice = -1;
+
+        // 遍历giftLists查找中奖项目
+        for (int i = 0; i < giftLists.size(); i++) {
+            GiftBean giftBean = giftLists.get(i);
+
+            // 在中奖数据中查找匹配的礼品
+            for (XlhDrawBean xlhDrawBean : data) {
+                // 比较gift_id是否匹配
+                if (giftBean.getGift_id().equals(String.valueOf(xlhDrawBean.getGift_id()))) {
+                    // 解析价格，处理可能的NumberFormatException
+                    try {
+                        int currentPrice = Integer.parseInt(giftBean.getGift_price());
+                        // 如果当前价格更高，则更新目标位置和最高价格
+                        if (currentPrice > highestPrice) {
+                            highestPrice = currentPrice;
+                            targetPosition = i;
+                        }
+                    } catch (NumberFormatException e) {
+                        // 如果价格解析失败，使用默认值0进行比较
+                        if (highestPrice <= 0) {
+                            highestPrice = 0;
+                            targetPosition = i;
+                        }
+                    }
+                    break; // 找到匹配项后跳出内层循环
+                }
+            }
+        }
+
+        return targetPosition;
+    }
+
+    /**
+     * 精确将指定位置的item滚动到中心
+     * @param position 目标位置
+     */
+    private void preciseScrollToCenter(int position) {
+        if (mBinding.recycleView.getLayoutManager() == null) return;
+
+        int screenWidth = mBinding.recycleView.getWidth();
+        if (screenWidth <= 0) return;
+
+        // 计算item宽度
+        int itemWidth = screenWidth / 3;
+
+        // 计算屏幕中心位置
+        int screenCenter = screenWidth / 2;
+
+        // 计算目标item的中心位置（在当前可见区域中）
+        int targetItemCenter = (mBinding.recycleView.computeHorizontalScrollOffset() / itemWidth) * itemWidth
+                + position * itemWidth + itemWidth / 2;
+
+        // 计算需要滚动的距离使目标item居中
+        int scrollDistance = targetItemCenter - screenCenter;
+
+        // 获取当前滚动位置
+        int currentScrollX = mBinding.recycleView.computeHorizontalScrollOffset();
+
+        // 执行滚动使选中项居中
+        mBinding.recycleView.smoothScrollBy(scrollDistance - currentScrollX, 0);
+
+    }
+
+
+
+
+
 }

moduleUtil/src/main/java/com/xscm/moduleutil/widget/CenterScrollHelper.java

@@ -0,0 +1,255 @@
+package com.xscm.moduleutil.widget;
+
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearSmoothScroller;
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * @Author lxj$
+ * @Time $ 2025-9-4 21:04:34$
+ * @Description 自定义滚动辅助类$
+ */
+public class CenterScrollHelper {
+    private RecyclerView recyclerView;
+
+    public CenterScrollHelper(RecyclerView recyclerView) {
+        this.recyclerView = recyclerView;
+    }
+
+    /**
+     * 循环滚动指定圈数后停在目标位置
+     * @param targetPosition 目标位置
+     * @param circles 滚动圈数
+     * @param durationPerItem 每个item滚动的持续时间（控制速度）
+     * @param adapterSize 适配器总大小
+     */
+    public void scrollWithCircles(int targetPosition, int circles, int durationPerItem, int adapterSize) {
+        scrollWithCircles(targetPosition, circles, durationPerItem, adapterSize, null);
+    }
+
+    /**
+     * 循环滚动指定圈数后停在目标位置（带回调）
+     * @param targetPosition 目标位置
+     * @param circles 滚动圈数
+     * @param durationPerItem 每个item滚动的持续时间（控制速度）
+     * @param adapterSize 适配器总大小
+     * @param onComplete 滚动完成回调
+     */
+    public void scrollWithCircles(int targetPosition, int circles, int durationPerItem,
+                                  int adapterSize, Runnable onComplete) {
+        if (recyclerView.getLayoutManager() == null) {
+            if (onComplete != null) onComplete.run();
+            return;
+        }
+
+        // 计算总滚动位置（多圈+目标位置）
+        int totalItems = circles * adapterSize + targetPosition;
+
+
+        // 使用LinearSmoothScroller进行平滑滚动
+        LinearSmoothScroller smoothScroller = new LinearSmoothScroller(recyclerView.getContext()) {
+            @Override
+            protected int calculateTimeForScrolling(int dx) {
+                // 使用缓动函数计算时间，实现从慢到快再到慢的效果
+//                return calculateEasingTime(dx, durationPerItem);
+
+                // 简单线性时间计算，确保滚动速度一致
+                int screenWidth = recyclerView.getWidth();
+                if (screenWidth <= 0) {
+                    return durationPerItem * 3;
+                }
+                int itemWidth = screenWidth / 3;
+                int items = Math.max(1, dx / itemWidth);
+                return durationPerItem * items;
+            }
+
+            @Override
+            protected void onStop() {
+                super.onStop();
+                // 滚动停止后确保目标位置居中
+//                scrollToCenter(targetPosition);
+                // 执行完成回调
+                if (onComplete != null) {
+                    recyclerView.post(onComplete);
+                }
+            }
+        };
+
+        smoothScroller.setTargetPosition(totalItems);
+        recyclerView.getLayoutManager().startSmoothScroll(smoothScroller);
+    }
+    /**
+     * 使用缓动函数计算滚动时间，实现加速减速效果
+     * @param dx 滚动距离
+     * @param baseDurationPerItem 基础时间
+     * @return 计算后的时间
+     */
+    private int calculateEasingTime(int dx, int baseDurationPerItem) {
+        if (dx <= 0) return 0;
+
+        // 获取屏幕宽度作为参考
+        int screenWidth = recyclerView.getWidth();
+        if (screenWidth <= 0) {
+            return baseDurationPerItem * 3; // 默认值
+        }
+
+        // 计算item宽度（假设每屏3个item）
+        int itemWidth = screenWidth / 3;
+        // 计算滚动的item数量
+        int items = Math.max(1, dx / itemWidth);
+
+        // 使用easeInOutQuad缓动函数实现先慢中快后慢的效果
+        double progress = Math.min(1.0, (double) items / 100); // 假设100个item为完整过程
+
+        // easeInOutQuad缓动函数
+        double easeProgress;
+        if (progress < 0.5) {
+            easeProgress = 2 * progress * progress; // 先慢后快
+        } else {
+            easeProgress = 1 - Math.pow(-2 * progress + 2, 2) / 2; // 后慢
+        }
+
+        // 计算时间：开始慢(500ms)，后来快(50ms)
+        int minDuration = 50;   // 最快速度
+        int maxDuration = 500;  // 最慢速度
+        int calculatedTime = (int) (maxDuration - (maxDuration - minDuration) * easeProgress);
+
+        return Math.max(minDuration, calculatedTime);
+    }
+
+    /**
+     * 将指定位置的item精确居中显示
+     * @param position 需要居中的位置（在循环列表中的实际位置）
+     * @param originalSize 原始数据大小
+     */
+    public void scrollToCenter(int position, int originalSize) {
+        if (recyclerView.getLayoutManager() == null) return;
+
+        int screenWidth = recyclerView.getWidth();
+        if (screenWidth <= 0) return;
+
+        // 计算item宽度（假设每个item等宽）
+        int itemWidth = screenWidth / 3; // 每屏显示3个item
+
+        // 计算使item居中需要滚动的总距离
+        int targetScrollX = position * itemWidth - (screenWidth - itemWidth) / 2;
+
+        // 获取当前滚动位置
+        int currentScrollX = recyclerView.computeHorizontalScrollOffset();
+
+        // 计算需要滚动的距离
+        int scrollDistance = targetScrollX - currentScrollX;
+
+        // 执行滚动
+        recyclerView.smoothScrollBy(scrollDistance, 0);
+    }
+
+    /**
+     * 将指定位置的item精确居中显示（简化版）
+     * @param position 需要居中的位置
+     */
+    public void scrollToCenter(int position) {
+        if (recyclerView.getLayoutManager() == null) return;
+
+        int screenWidth = recyclerView.getWidth();
+        if (screenWidth <= 0) return;
+
+        // 计算item宽度
+        int itemWidth = screenWidth / 3;
+
+        // 计算目标位置的左边缘
+        int targetLeft = position * itemWidth;
+
+        // 计算使item居中需要滚动到的位置
+        int targetScrollX = targetLeft - (screenWidth - itemWidth) / 2;
+
+        // 获取当前滚动位置
+        int currentScrollX = recyclerView.computeHorizontalScrollOffset();
+
+        // 计算需要滚动的距离
+        int scrollDistance = targetScrollX - currentScrollX;
+
+        // 如果距离很小，就不需要滚动了
+        if (Math.abs(scrollDistance) > 5) {
+            // 执行滚动
+            recyclerView.smoothScrollBy(scrollDistance, 0);
+        }
+    }
+    /**
+     * 将指定位置的item居中显示（支持循环）
+     */
+    public void centerItem(int targetPosition, int adapterSize) {
+        if (recyclerView.getLayoutManager() == null) return;
+
+        LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();
+        int screenWidth = recyclerView.getWidth();
+        if (screenWidth <= 0) return;
+
+        int itemWidth = screenWidth / 3; // 每个item占屏幕1/3
+
+        // 计算需要滚动的距离使item居中
+        // 这里需要根据实际的item宽度和屏幕宽度来计算居中位置
+        int targetScrollX = targetPosition * itemWidth - (screenWidth - itemWidth) / 2;
+        int currentScrollX = recyclerView.computeHorizontalScrollOffset();
+        int scrollDistance = targetScrollX - currentScrollX;
+
+        // 使用smoothScrollBy确保平滑滚动到居中位置
+        recyclerView.smoothScrollBy(scrollDistance, 0);
+    }
+    /**
+     * 使用更复杂的缓动函数计算滚动时间
+     * @param dx 滚动距离
+     * @param baseDurationPerItem 基础时间
+     * @return 计算后的时间
+     */
+    private int calculateAdvancedEasingTime(int dx, int baseDurationPerItem) {
+        if (dx <= 0) return 0;
+
+        int screenWidth = recyclerView.getWidth();
+        if (screenWidth <= 0) {
+            return baseDurationPerItem * 3;
+        }
+
+        int itemWidth = screenWidth / 3;
+        int totalItems = dx / itemWidth;
+
+        // 分段处理：开始慢，中间快，结束慢
+        int totalTime = 0;
+        for (int i = 0; i < totalItems; i++) {
+            // 计算当前位置的进度 (0-1)
+            double progress = (double) i / Math.max(1, totalItems);
+
+            // 使用贝塞尔缓动函数：慢-快-慢
+            double easedProgress = bezierEasing(progress, 0.25, 0.1, 0.25, 1.0);
+
+            // 根据进度调整时间
+            int minTime = 30;  // 最快时间
+            int maxTime = baseDurationPerItem * 2;  // 最慢时间
+            int itemTime = (int) (maxTime - (maxTime - minTime) * easedProgress);
+
+            totalTime += itemTime;
+        }
+
+        return Math.max(100, totalTime); // 至少100ms
+    }
+
+    /**
+     * 贝塞尔缓动函数
+     * @param t 时间进度 (0-1)
+     * @param x1 控制点1 x
+     * @param y1 控制点1 y
+     * @param x2 控制点2 x
+     * @param y2 控制点2 y
+     * @return 缓动后的值
+     */
+    private double bezierEasing(double t, double x1, double y1, double x2, double y2) {
+        // 简化的贝塞尔曲线计算
+        // 这里使用一个近似算法
+        double a = 1 - t;
+        return 3 * a * a * t * y1 + 3 * a * t * t * y2 + t * t * t;
+    }
+
+
+}
+
+

moduleUtil/src/main/java/com/xscm/moduleutil/widget/EqualSpaceItemDecoration.java

@@ -0,0 +1,51 @@
+package com.xscm.moduleutil.widget;
+
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * @Author lxj$
+ * @Time $ 2025-9-4 20:32:52$
+ * @Description 自定义的，让在item平分屏幕宽度$
+ */
+public class EqualSpaceItemDecoration extends RecyclerView.ItemDecoration {
+    private int spanCount;
+    private int spacing;
+
+    public EqualSpaceItemDecoration(int spanCount, int spacing) {
+        this.spanCount = spanCount;
+        this.spacing = spacing;
+    }
+
+    @Override
+    public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
+        int position = parent.getChildAdapterPosition(view);
+
+        // 设置间距
+        outRect.left = spacing / 2;
+        outRect.right = spacing / 2;
+    }
+
+    @Override
+    public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
+        super.onDraw(c, parent, state);
+
+        // 确保每个item宽度为屏幕的1/3
+        int childCount = parent.getChildCount();
+        int screenWidth = parent.getWidth();
+        int itemWidth = screenWidth / spanCount;
+
+        for (int i = 0; i < childCount; i++) {
+            View child = parent.getChildAt(i);
+            ViewGroup.LayoutParams params = child.getLayoutParams();
+            params.width = itemWidth;
+            child.setLayoutParams(params);
+        }
+    }
+}
+
+

moduleUtil/src/main/res/layout/fragment_tour_club_dialog.xml

@@ -279,6 +279,8 @@
             android:layout_width="match_parent"
             android:layout_height="0dp"
             android:layout_marginBottom="@dimen/dp_15"
+            android:orientation="horizontal"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
             app:layout_constraintTop_toBottomOf="@+id/cl_gift"
             app:layout_constraintBottom_toTopOf="@+id/exchange_layout"/>