fix 修复空聊天信息从通讯录返回时闪退问题

main/src/main/java/com/yunbao/main/adapter/MainConversationListAdapter.java

@@ -34,6 +34,7 @@ public class MainConversationListAdapter extends ConversationListAdapter {
     public static final int TYPE_SEARCH_CHAT = 520;
     private List<BaseUiConversation> srcList;
     private Context mContext;
+    private View emptyView;
 
     public MainConversationListAdapter(Context mContext) {
         this.mContext = mContext;
@@ -43,7 +44,7 @@ public class MainConversationListAdapter extends ConversationListAdapter {
     @Override
     public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
         ViewHolder holder = null;
-        mContext=parent.getContext();
+        mContext = parent.getContext();
         if (viewType == TYPE_SEARCH_TITLE) {
             View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_main_msg_search_title, parent, false);
             holder = ViewHolder.createViewHolder(parent.getContext(), view);
@@ -54,7 +55,9 @@ public class MainConversationListAdapter extends ConversationListAdapter {
             View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_main_msg_search_chat, parent, false);
             holder = ViewHolder.createViewHolder(parent.getContext(), view);
         } else {
-            holder = super.onCreateViewHolder(parent, viewType);
+            // holder = super.onCreateViewHolder(parent, viewType);
+            View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_main_msg_search_empty, parent, false);
+            holder = ViewHolder.createViewHolder(parent.getContext(), view);
         }
         return holder;
     }
@@ -71,12 +74,18 @@ public class MainConversationListAdapter extends ConversationListAdapter {
             } else if (!StringUtil.isEmpty(objectName) && objectName.startsWith("SEARCH_TITLE")) {
                 type = TYPE_SEARCH_TITLE;
             }
+        } else {
+            type = -200;
         }
         return type;
     }
 
     @Override
     public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        if (isEmpty() || mDataList.isEmpty()) {
+            bindEmpty(holder, position);
+            return;
+        }
         if (getItemViewType(position) == TYPE_SEARCH_USER) {
             bindUser(holder, position);
         } else if (getItemViewType(position) == TYPE_SEARCH_CHAT) {
@@ -88,22 +97,26 @@ public class MainConversationListAdapter extends ConversationListAdapter {
         }
     }
 
+    private void bindEmpty(ViewHolder holder, int position) {
+        ((ViewGroup) holder.getView(R.id.layout)).addView(emptyView);
+    }
+
     @Override
     public void setDataCollection(List<BaseUiConversation> data) {
         super.setDataCollection(data);
-        if(srcList==null){
+        if (srcList == null) {
-            srcList=new ArrayList<>();
+            srcList = new ArrayList<>();
         }
         srcList.clear();
         for (BaseUiConversation item : data) {
-            BaseUiConversation cn=new SingleConversation(mContext,item.mCore);
+            BaseUiConversation cn = new SingleConversation(mContext, item.mCore);
             srcList.add(cn);
         }
     }
 
     public List<BaseUiConversation> getSrcList() {
-        if(srcList==null){
+        if (srcList == null) {
-            srcList=new ArrayList<>();
+            srcList = new ArrayList<>();
         }
         return srcList;
     }
@@ -112,6 +125,11 @@ public class MainConversationListAdapter extends ConversationListAdapter {
         holder.setText(R.id.title, mDataList.get(position).mCore.getObjectName().replace("SEARCH_TITLE", ""));
     }
 
+    @Override
+    public void setEmptyView(View view) {
+        this.emptyView = view;
+    }
+
     private void bindUser(ViewHolder holder, int position) {
         ImgLoader.display(holder.getContext(), mDataList.get(position).mCore.getPortraitUrl(), holder.getView(R.id.rc_conversation_portrait));
         String title = mDataList.get(position).mCore.getConversationTitle();

main/src/main/res/layout/item_main_msg_search_empty.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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">
+
+    <LinearLayout
+        android:id="@+id/layout"
+        android:layout_width="300dp"
+        android:layout_height="300dp"
+        android:gravity="center"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>