add holder

app/src/main/java/com/jintin/bindingextension/app/MainFragment.kt

@@ -2,16 +2,41 @@ package com.jintin.bindingextension.app
 
 import android.os.Bundle
 import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.jintin.bindingextension.BindingFragment
+import com.jintin.bindingextension.BindingHolder
+import com.jintin.bindingextension.app.databinding.AdapterMainBinding
 import com.jintin.bindingextension.app.databinding.FragmentMainBinding
 
 class MainFragment : BindingFragment<FragmentMainBinding>(FragmentMainBinding::inflate) {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        binding.recyclerView.layoutManager =
+            LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
+        binding.recyclerView.adapter = MainAdapter((1..100).map { "#$it" })
+    }
+
+    class MainAdapter(private val list: List<String>) :
+        RecyclerView.Adapter<MainAdapter.ViewHolder>() {
+        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+            return ViewHolder(parent)
+        }
+
+        override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+            holder.bind(list[position])
+        }
+
+        override fun getItemCount() = list.size
+
+        class ViewHolder(parent: ViewGroup) :
+            BindingHolder<AdapterMainBinding>(parent, AdapterMainBinding::inflate) {
 
-        binding.button.setOnClickListener {
-            binding.button.setText(R.string.fragment_label)
+            fun bind(data: String) {
+                binding.name.text = data
+            }
         }
     }
 }

app/src/main/res/layout/adapter_main.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/name"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_margin="8dp" />

app/src/main/res/layout/fragment_main.xml

@@ -1,20 +1,7 @@
 <?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"
+<androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/recycler_view"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@android:color/darker_gray"
-    tools:context=".MainActivity">
-
-    <Button
-        android:id="@+id/button"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Click Me!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
+    tools:context=".MainActivity" />

lib/src/main/java/com/jintin/bindingextension/BindingHolder.kt

@@ -0,0 +1,17 @@
+package com.jintin.bindingextension
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import androidx.viewbinding.ViewBinding
+
+open class BindingHolder<V : ViewBinding>(
+    val binding: V
+) : RecyclerView.ViewHolder(binding.root) {
+
+    constructor(
+        parent: ViewGroup,
+        provider: (LayoutInflater, ViewGroup?, Boolean) -> V
+    ) : this(provider.invoke(LayoutInflater.from(parent.context), parent, false))
+
+}