aaa

MyDemo3/app/src/main/java/com/test/mydemo3/adapter/CleanAdapter2.kt

 package com.test.mydemo3.adapter
 
+import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
+import com.test.mydemo3.R
+import com.test.mydemo3.databinding.CleanListItemLayoutBinding
+import com.test.mydemo3.databinding.FilesItemLayoutBinding
+import com.test.mydemo3.model.CleanBean
+import com.test.mydemo3.model.FileBean
 
 class CleanAdapter2 : RecyclerView.Adapter<CleanAdapter2.AAA>() {
-    class AAA(view: View) : RecyclerView.ViewHolder(view) {
 
+    private val list = ArrayList<CleanBean>()
+
+    fun Int.inflate(parent: ViewGroup, attachToRoot: Boolean = false): View {
+        return LayoutInflater.from(parent.context).inflate(this, parent, attachToRoot)
+    }
+
+    class AAA(view: View) : RecyclerView.ViewHolder(view) {
+        val binding = CleanListItemLayoutBinding.bind(view)
     }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): AAA {
-        TODO("Not yet implemented")
+        return AAA(R.layout.clean_list_item_layout.inflate(parent))
     }
 
     override fun getItemCount(): Int {
-        TODO("Not yet implemented")
+        return list.size
     }
 
     override fun onBindViewHolder(holder: AAA, position: Int) {
-        TODO("Not yet implemented")
+        val data = list[position]
+
+        holder.binding.cleanItemName.text = data.typeName
+
+        ///展开逻辑
+        if (data.isListViewShow) {
+            holder.binding.cleanItemList.visibility = View.VISIBLE
+            val subAdapter = SubAdapter()
+            holder.binding.cleanItemList.adapter = subAdapter
+            subAdapter.setData(data.fileBeans)
+        } else {
+            holder.binding.cleanItemList.visibility = View.GONE
+        }
+        holder.binding.cleanItemUnfold.setOnClickListener {
+            data.isListViewShow = !data.isListViewShow
+            notifyItemChanged(position)
+        }
+        //选中的逻辑，先外层通过data的属性值是否选中，点击事假更新子类表选中状态下
     }
 
+    fun setData(datas: List<CleanBean>) {
+        list.clear()
+        list.addAll(datas)
+        notifyDataSetChanged()
+    }
 
-    inner Sub
+    inner class SubAdapter : RecyclerView.Adapter<SubAdapter.BBB>() {
+
+        private val sibList = ArrayList<FileBean>()
+
+        inner class BBB(view: View) : RecyclerView.ViewHolder(view) {
+            val binding = FilesItemLayoutBinding.bind(view)
+        }
+
+        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BBB {
+            return BBB(R.layout.files_item_layout.inflate(parent))
+        }
+
+        override fun getItemCount(): Int {
+            return sibList.size
+        }
+
+        override fun onBindViewHolder(holder: BBB, position: Int) {
+            val data = sibList[position]
+            holder.binding.fileItemName.text = data.fileName
+            //todo data通过状态值显示选中状态
+//            holder.binding.fileJoinToImg.isSelected=data.
+        }
+
+        fun setData(datas: List<FileBean>) {
+            sibList.clear()
+            sibList.addAll(datas)
+            notifyDataSetChanged()
+        }
+    }
 }
\ No newline at end of file

MyDemo3/app/src/main/res/layout/clean_list_item_layout.xml

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:orientation="vertical"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
 
     <RelativeLayout
         android:id="@+id/clean_item_bar"
         android:layout_width="match_parent"
         android:layout_height="50dp">
+
         <TextView
             android:id="@+id/clean_item_name"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_centerVertical="true"
-            android:textSize="16dp"
+            android:text="Uninstall remains"
             android:textColor="@color/black"
-            android:text="Uninstall remains"/>
+            android:textSize="16dp" />
+
         <ImageView
             android:id="@+id/clean_item_unfold"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginStart="12dp"
             android:layout_centerVertical="true"
+            android:layout_marginStart="12dp"
             android:layout_toEndOf="@+id/clean_item_name"
-            android:src="@mipmap/unfold"/>
+            android:src="@mipmap/unfold" />
 
         <CheckBox
             android:id="@+id/clean_item_check_box"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:button="@null"
-            android:layout_centerVertical="true"
             android:layout_alignParentEnd="true"
-            android:drawableEnd="@drawable/bg_item_switch_selector"/>
+            android:layout_centerVertical="true"
+            android:button="@null"
+            android:drawableEnd="@drawable/bg_item_switch_selector" />
 
         <ImageView
             android:id="@+id/clean_item_more"
@@ -40,25 +43,26 @@
             android:layout_height="wrap_content"
             android:layout_alignParentEnd="true"
             android:layout_centerVertical="true"
-            android:src="@mipmap/more"/>
+            android:src="@mipmap/more" />
 
         <TextView
             android:id="@+id/file_item_size"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="23MB"
             android:layout_alignParentEnd="true"
-            android:layout_marginEnd="46dp"
             android:layout_centerVertical="true"
-            android:textColor="#DBDBDB"/>
+            android:layout_marginEnd="46dp"
+            android:text="23MB"
+            android:textColor="#DBDBDB" />
 
     </RelativeLayout>
 
-    <ListView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/clean_item_list"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"/>
-
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
 
 
 </LinearLayout>
\ No newline at end of file