修复java.lang.IllegalArgumentException: Comparison method violates its general contract bug

rong_im/common_im_ui/src/main/java/com/common/im/helper/CustomIndexBarDataHelperImpl.java

@@ -0,0 +1,128 @@
+package com.common.im.helper;
+
+import com.github.promeg.pinyinhelper.Pinyin;
+import com.mcxtzhang.indexlib.IndexBar.bean.BaseIndexPinyinBean;
+import com.mcxtzhang.indexlib.IndexBar.helper.IIndexBarDataHelper;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+/**
+ * Author by pq, Date on 2022/9/29.
+ */
+public class CustomIndexBarDataHelperImpl implements IIndexBarDataHelper {
+    /**
+     * 如果需要，
+     * 字符->拼音，
+     *
+     * @param datas
+     */
+    @Override
+    public IIndexBarDataHelper convert(List<? extends BaseIndexPinyinBean> datas) {
+        if (null == datas || datas.isEmpty()) {
+            return this;
+        }
+        int size = datas.size();
+        for (int i = 0; i < size; i++) {
+            BaseIndexPinyinBean indexPinyinBean = datas.get(i);
+            StringBuilder pySb = new StringBuilder();
+            //add by zhangxutong 2016 11 10 如果不是top 才转拼音，否则不用转了
+            if (indexPinyinBean.isNeedToPinyin()) {
+                String target = indexPinyinBean.getTarget();//取出需要被拼音化的字段
+                //遍历target的每个char得到它的全拼音
+                for (int i1 = 0; i1 < target.length(); i1++) {
+                    //利用TinyPinyin将char转成拼音
+                    //查看源码，方法内 如果char为汉字，则返回大写拼音
+                    //如果c不是汉字，则返回String.valueOf(c)
+                    pySb.append(Pinyin.toPinyin(target.charAt(i1)).toUpperCase());
+                }
+                indexPinyinBean.setBaseIndexPinyin(pySb.toString());//设置城市名全拼音
+            } else {
+                //pySb.append(indexPinyinBean.getBaseIndexPinyin());
+            }
+        }
+        return this;
+    }
+
+    /**
+     * 如果需要取出，则
+     * 取出首字母->tag,或者特殊字母 "#".
+     * 否则，用户已经实现设置好
+     *
+     * @param datas
+     */
+    @Override
+    public IIndexBarDataHelper fillInexTag(List<? extends BaseIndexPinyinBean> datas) {
+        if (null == datas || datas.isEmpty()) {
+            return this;
+        }
+        int size = datas.size();
+        for (int i = 0; i < size; i++) {
+            BaseIndexPinyinBean indexPinyinBean = datas.get(i);
+            if (indexPinyinBean.isNeedToPinyin()) {
+                //以下代码设置城市拼音首字母
+                String tagString = indexPinyinBean.getBaseIndexPinyin().toString().substring(0, 1);
+                if (tagString.matches("[A-Z]")) {//如果是A-Z字母开头
+                    indexPinyinBean.setBaseIndexTag(tagString);
+                } else {//特殊字母这里统一用#处理
+                    indexPinyinBean.setBaseIndexTag("#");
+                }
+            }
+        }
+        return this;
+    }
+
+    @Override
+    public IIndexBarDataHelper sortSourceDatas(List<? extends BaseIndexPinyinBean> datas) {
+        if (null == datas || datas.isEmpty()) {
+            return this;
+        }
+        convert(datas);
+        fillInexTag(datas);
+        //对数据源进行排序
+        Collections.sort(datas, new Comparator<BaseIndexPinyinBean>() {
+            @Override
+            public int compare(BaseIndexPinyinBean lhs, BaseIndexPinyinBean rhs) {
+                boolean flag;
+                if (!lhs.isNeedToPinyin()) {
+                    return 0;
+                } else if (!rhs.isNeedToPinyin()) {
+                    return 0;
+                } else if ((flag = lhs.getBaseIndexTag().startsWith("#")) ^ rhs.getBaseIndexTag().startsWith("#")) {
+                    return flag ? 1 : -1;
+                }
+                return lhs.getBaseIndexPinyin().compareTo(rhs.getBaseIndexPinyin());
+                //if (!lhs.isNeedToPinyin()) {
+//                    return 0;
+//                } else if (!rhs.isNeedToPinyin()) {
+//                    return 0;
+//                } else if (lhs.getBaseIndexTag().equals("#")) {
+//                    return 1;
+//                } else if (rhs.getBaseIndexTag().equals("#")) {
+//                    return -1;
+//                } else {
+//                    return lhs.getBaseIndexPinyin().compareTo(rhs.getBaseIndexPinyin());
+//                }
+            }
+        });
+        return this;
+    }
+
+    @Override
+    public IIndexBarDataHelper getSortedIndexDatas(List<? extends BaseIndexPinyinBean> sourceDatas, List<String> indexDatas) {
+        if (null == sourceDatas || sourceDatas.isEmpty()) {
+            return this;
+        }
+        //按数据源来 此时sourceDatas 已经有序
+        int size = sourceDatas.size();
+        String baseIndexTag;
+        for (int i = 0; i < size; i++) {
+            baseIndexTag = sourceDatas.get(i).getBaseIndexTag();
+            if (!indexDatas.contains(baseIndexTag)) {//则判断是否已经将这个索引添加进去，若没有则添加
+                indexDatas.add(baseIndexTag);
+            }
+        }
+        return this;
+    }
+}

rong_im/common_im_ui/src/main/java/com/common/im/ui/contact/ContactPersonListFragment.java

@@ -16,6 +16,7 @@ import com.common.im.bean.ContactListBean;
 import com.common.im.bean.ContactRoomListBean;
 import com.common.im.contract.ContactListFragmentContract;
 import com.common.im.helper.ConversationHelper;
+import com.common.im.helper.CustomIndexBarDataHelperImpl;
 import com.common.im.presenter.ContactListPresenter;
 import com.common.im_ui.R;
 import com.common.im_ui.databinding.FragmentContactListLayoutBinding;
@@ -74,6 +75,8 @@ public class ContactPersonListFragment extends BaseMVPFragment<FragmentContactLi
         } else {
             mViewBinding.etTargetName.setText("请输入老师名称");
         }
+        CustomIndexBarDataHelperImpl indexBarDataHelper = new CustomIndexBarDataHelperImpl();
+        mViewBinding.livLetters.setDataHelper(indexBarDataHelper);
         mViewBinding.tvSearch.setOnClickListener(this);
         mListAdapter = new ContactListAdapter(R.layout.item_contact_list_layout);
         LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());