From feb3b949b33d4c4075f7478c5183fe627bc28f07 Mon Sep 17 00:00:00 2001
From: Jintin <jintin.lin1018@gmail.com>
Date: Sat, 19 Dec 2020 17:55:38 +0800
Subject: [PATCH 1/2] add holder

---
 .../bindingextension/app/MainFragment.kt      | 29 +++++++++++++++++--
 app/src/main/res/layout/adapter_main.xml      |  6 ++++
 app/src/main/res/layout/fragment_main.xml     | 19 ++----------
 .../jintin/bindingextension/BindingHolder.kt  | 17 +++++++++++
 4 files changed, 53 insertions(+), 18 deletions(-)
 create mode 100644 app/src/main/res/layout/adapter_main.xml
 create mode 100644 lib/src/main/java/com/jintin/bindingextension/BindingHolder.kt

diff --git a/app/src/main/java/com/jintin/bindingextension/app/MainFragment.kt b/app/src/main/java/com/jintin/bindingextension/app/MainFragment.kt
index bcdc5eb..9c1b5b2 100644
--- a/app/src/main/java/com/jintin/bindingextension/app/MainFragment.kt
+++ b/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
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/adapter_main.xml b/app/src/main/res/layout/adapter_main.xml
new file mode 100644
index 0000000..e927fa5
--- /dev/null
+++ b/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" />
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
index bb0cb77..337202a 100644
--- a/app/src/main/res/layout/fragment_main.xml
+++ b/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>
\ No newline at end of file
+    tools:context=".MainActivity" />
\ No newline at end of file
diff --git a/lib/src/main/java/com/jintin/bindingextension/BindingHolder.kt b/lib/src/main/java/com/jintin/bindingextension/BindingHolder.kt
new file mode 100644
index 0000000..231e8f6
--- /dev/null
+++ b/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))
+
+}
\ No newline at end of file

From f13e81ccb6cb07979c53d62ac1c53178d2d1291e Mon Sep 17 00:00:00 2001
From: Jintin <jintin.lin1018@gmail.com>
Date: Sat, 19 Dec 2020 18:21:08 +0800
Subject: [PATCH 2/2] update readme

---
 README.md | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index e16ce76..e15b69a 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ dependencies {
 
 ### Activity
 
-Extend from `BindingActivity` with your actual `ViewBinding` type then you can use `binding` directly after calling `super.onCreate(savedInstanceState)` and you don't have to call `setContentView` anymore:
+Extend from `BindingActivity` with your actual `ViewBinding` inflate method reference then you can use `binding` directly after calling `super.onCreate(savedInstanceState)` and you don't have to call `setContentView` anymore:
 
 ```kotlin
 class MainActivity : BindingActivity<ActivityMainBinding>(ActivityMainBinding::inflate) {
@@ -43,7 +43,7 @@ class MainActivity : BindingActivity<ActivityMainBinding>(ActivityMainBinding::i
 
 ### Fragment
 
-Extend from `BindingFragment` with your actual `ViewBinding` type then you can use `binding` directly after `super.onCreateView(inflater, container, savedInstanceState)` is called:
+Extend from `BindingFragment` with your actual `ViewBinding` inflate method reference then you can use `binding` directly after `super.onCreateView(inflater, container, savedInstanceState)` is called:
 
 ```kotlin
 class MainFragment : BindingFragment<FragmentMainBinding>(FragmentMainBinding::inflate) {
@@ -58,6 +58,20 @@ class MainFragment : BindingFragment<FragmentMainBinding>(FragmentMainBinding::i
 }
 ```
 
+### ViewHolder
+
+Extend from `BindingHolder` with parent `ViewGroup` and your actual `ViewBinding` inflate method reference then you can use `binding` directly:
+
+```kotlin
+class ViewHolder(parent: ViewGroup) :
+    BindingHolder<AdapterMainBinding>(parent, AdapterMainBinding::inflate) {
+
+    fun bind(data: String) {
+        binding.name.text = data
+    }
+}
+```
+
 You can go to ./app module for more information.
 ## Contributing
 Bug reports and pull requests are welcome on GitHub at [https://github.com/Jintin/BindingExtension](https://github.com/Jintin/BindingExtension).