# fix:

- `setList` bug

Author: limuyang

app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/ItemClickActivity.java

@@ -43,7 +43,7 @@ protected void onCreate(Bundle savedInstanceState) {
         initAdapter();
         adapter.setOnItemClickListener(new OnItemClickListener() {
             @Override
-            public void onItemClick(@NonNull BaseQuickAdapter adapter, @NonNull View view, int position) {
+            public void onItemClick(@NonNull BaseQuickAdapter<?, ?> adapter, @NonNull View view, int position) {
                 Tips.show("onItemClick " + position);
             }
         });

app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/multi/BinderUseActivity.java

@@ -152,7 +152,7 @@ public ItemImgTextViewBinding onCreateViewBinding(@NotNull LayoutInflater layout
 
         @Override
         public void convert(@NotNull BinderVBHolder<ItemImgTextViewBinding> holder, Video data) {
-            holder.getViewBinding().tv.setText(data.getName());
+            holder.getViewBinding().tv.setText("(ViewBinding) " + data.getName());
         }
 
         /**

app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/multi/BinderAdapter.kt

@@ -9,12 +9,14 @@
 import com.chad.baserecyclerviewadapterhelper.R;
 import com.chad.baserecyclerviewadapterhelper.adapter.node.tree.NodeTreeAdapter;
 import com.chad.baserecyclerviewadapterhelper.entity.node.tree.FirstNode;
+import com.chad.baserecyclerviewadapterhelper.entity.node.tree.SecondNode;
 import com.chad.library.adapter.base.entity.node.BaseNode;
 import com.chad.library.adapter.base.provider.BaseNodeProvider;
 import com.chad.library.adapter.base.viewholder.BaseViewHolder;
 
 import org.jetbrains.annotations.NotNull;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class FirstProvider extends BaseNodeProvider {
@@ -77,6 +79,8 @@ private void setArrowSpin(BaseViewHolder helper, BaseNode data, boolean isAnimat
     @Override
     public void onClick(@NotNull BaseViewHolder helper, @NotNull View view, BaseNode data, int position) {
         // 这里使用payload进行增量刷新（避免整个item刷新导致的闪烁，不自然）
-        getAdapter().expandOrCollapse(position, true, true, NodeTreeAdapter.EXPAND_COLLAPSE_PAYLOAD);
+//        getAdapter().expandOrCollapse(position, true, true, NodeTreeAdapter.EXPAND_COLLAPSE_PAYLOAD);
+        getAdapter().nodeAddData(data,new SecondNode(new ArrayList<>(),"p:"+position));
+        getAdapter().notifyDataSetChanged();
     }
 }

app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/FirstProvider.java

@@ -36,11 +36,15 @@ public void convert(@NotNull BaseViewHolder helper, @NotNull BaseNode data) {
 
     @Override
     public void onClick(@NotNull BaseViewHolder helper, @NotNull View view, BaseNode data, int position) {
-        SecondNode entity = (SecondNode) data;
-        if (entity.isExpanded()) {
-            getAdapter().collapse(position);
-        } else {
-            getAdapter().expandAndCollapseOther(position);
-        }
+//        SecondNode entity = (SecondNode) data;
+//        if (entity.isExpanded()) {
+//            getAdapter().collapse(position);
+//        } else {
+//            getAdapter().expandAndCollapseOther(position);
+//        }
+
+//        BaseNode fNode = getAdapter().findParentNode(position);
+//        getAdapter().nodeRemoveData();
+//        getAdapter().notifyItemRemoved(position);
     }
 }

app/src/main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/SecondProvider.java

@@ -13,6 +13,13 @@ import com.chad.library.adapter.base.viewholder.BaseViewHolder
  * 使用 Binder 来实现adapter，既可以实现单布局，也能实现多布局
  * 数据实体类也不存继承问题
  *
+ * 当有多种条目的时候，避免在convert()中做太多的业务逻辑，把逻辑放在对应的 BaseItemBinder 中。
+ * 适用于以下情况：
+ * 1、实体类不方便扩展，此Adapter的数据类型可以是任意类型，默认情况下不需要实现 getItemType
+ * 2、item 类型较多，在convert()中管理起来复杂
+ *
+ * ViewHolder 由 [BaseItemBinder] 实现，并且每个[BaseItemBinder]可以拥有自己类型的ViewHolder类型。
+ *
  * 数据类型为Any
  */
 open class BaseBinderAdapter(list: MutableList<Any>? = null) : BaseQuickAdapter<Any, BaseViewHolder>(0, list) {
@@ -79,9 +86,7 @@ open class BaseBinderAdapter(list: MutableList<Any>? = null) : BaseQuickAdapter<
     }
 
     override fun getDefItemViewType(position: Int): Int {
-        val type = mTypeMap[data[position].javaClass]
-        checkNotNull(type) { "getDefItemViewType: index: $position - type: ${data[position].javaClass} Not Find!" }
-        return type
+        return findViewType(data[position].javaClass)
     }
 
     override fun bindViewClickListener(viewHolder: BaseViewHolder, viewType: Int) {
@@ -105,6 +110,12 @@ open class BaseBinderAdapter(list: MutableList<Any>? = null) : BaseQuickAdapter<
         return getItemBinderOrNull(holder.itemViewType)?.onFailedToRecycleView(holder) ?: false
     }
 
+    protected fun findViewType(clazz : Class<*>):Int {
+        val type = mTypeMap[clazz]
+        checkNotNull(type) { "findViewType: ViewType: $clazz Not Find!" }
+        return type
+    }
+
     protected open fun bindClick(viewHolder: BaseViewHolder) {
         if (getOnItemClickListener() == null) {
             //如果没有设置点击监听，则回调给 itemProvider

library/src/main/java/com/chad/library/adapter/base/BaseBinderAdapter.kt

@@ -18,6 +18,7 @@ import com.chad.library.adapter.base.viewholder.BaseViewHolder
  * @param T data 数据类型
  * @constructor
  */
+@Deprecated("please use Class BaseBinderAdapter")
 abstract class BaseProviderMultiAdapter<T>(data: MutableList<T>? = null) :
         BaseQuickAdapter<T, BaseViewHolder>(0, data) {
 

library/src/main/java/com/chad/library/adapter/base/BaseProviderMultiAdapter.kt

@@ -32,6 +32,7 @@ import java.lang.reflect.InvocationTargetException
 import java.lang.reflect.Modifier
 import java.lang.reflect.ParameterizedType
 import java.util.*
+import kotlin.collections.ArrayList
 
 /**
  * 获取模块
@@ -1158,17 +1159,24 @@ abstract class BaseQuickAdapter<T, VH : BaseViewHolder>
      * @param list Collection<T>?
      */
     open fun setList(list: Collection<T>?) {
-        // 不是同一个引用才清空列表
         if (list !== this.data) {
             this.data.clear()
             if (!list.isNullOrEmpty()) {
                 this.data.addAll(list)
             }
-            mLoadMoreModule?.reset()
-            mLastPosition = -1
-            notifyDataSetChanged()
-            mLoadMoreModule?.checkDisableLoadMoreIfNotFullPage()
+        } else {
+            if (!list.isNullOrEmpty()) {
+                val newList = ArrayList(list)
+                this.data.clear()
+                this.data.addAll(newList)
+            } else {
+                this.data.clear()
+            }
         }
+        mLoadMoreModule?.reset()
+        mLastPosition = -1
+        notifyDataSetChanged()
+        mLoadMoreModule?.checkDisableLoadMoreIfNotFullPage()
     }
 
     /**

library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.kt

@@ -22,5 +22,5 @@ public interface OnItemClickListener {
      *                 will be a view provided by the adapter)
      * @param position The position of the view in the adapter.
      */
-    void onItemClick(@NonNull BaseQuickAdapter adapter, @NonNull View view, int position);
+    void onItemClick(@NonNull BaseQuickAdapter<?,?> adapter, @NonNull View view, int position);
 }