From e39fed0c53af07c51a540a56eb744753d23cdbbb Mon Sep 17 00:00:00 2001
From: Xevion <xevioni@yandex.com>
Date: Fri, 10 Dec 2021 02:13:36 -0600
Subject: [PATCH] Implement adapter for RecyclerView connected to list of
 strings

---
 .../com/embers/simpleto_do/MainActivity.kt    | 13 ++++++++
 .../com/embers/simpleto_do/TaskItemAdapter.kt | 32 +++++++++++++++++++
 app/src/main/res/layout/activity_main.xml     |  1 +
 3 files changed, 46 insertions(+)
 create mode 100644 app/src/main/java/com/embers/simpleto_do/TaskItemAdapter.kt

diff --git a/app/src/main/java/com/embers/simpleto_do/MainActivity.kt b/app/src/main/java/com/embers/simpleto_do/MainActivity.kt
index f582b89..50de21f 100644
--- a/app/src/main/java/com/embers/simpleto_do/MainActivity.kt
+++ b/app/src/main/java/com/embers/simpleto_do/MainActivity.kt
@@ -2,10 +2,23 @@ package com.embers.simpleto_do
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.widget.Button
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 
 class MainActivity : AppCompatActivity() {
+    val taskList = mutableListOf<String>()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+
+        findViewById<Button>(R.id.button).setOnClickListener {
+        }
+
+        val recyclerView = findViewById<RecyclerView>(R.id.recyclerView)
+        val adapter = TaskItemAdapter(taskList)
+        recyclerView.adapter = adapter
+        recyclerView.layoutManager = LinearLayoutManager(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/embers/simpleto_do/TaskItemAdapter.kt b/app/src/main/java/com/embers/simpleto_do/TaskItemAdapter.kt
new file mode 100644
index 0000000..c117235
--- /dev/null
+++ b/app/src/main/java/com/embers/simpleto_do/TaskItemAdapter.kt
@@ -0,0 +1,32 @@
+package com.embers.simpleto_do
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+
+class TaskItemAdapter(private val taskList: List<String>) :
+    RecyclerView.Adapter<TaskItemAdapter.ViewHolder>() {
+    inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        val textView: TextView = itemView.findViewById(android.R.id.text1)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val context = parent.context
+        val inflater = LayoutInflater.from(context)
+        val taskView = inflater.inflate(android.R.layout.simple_list_item_1, parent, false)
+
+        return ViewHolder(taskView)
+    }
+
+    override fun getItemCount(): Int {
+        return taskList.size
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val task: String = taskList[position]
+        val textView = holder.textView
+        textView.text = task
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 2903de8..bd26662 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -28,6 +28,7 @@
         app:layout_constraintStart_toStartOf="parent" />
 
     <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerView"
         android:layout_width="match_parent"
         android:layout_height="0dp"
         app:layout_constraintBottom_toTopOf="@+id/editTodoText"