7주차 과제 PR입니다.

assignment_week_7/app/src/main/java/com/example/assignment_week_7/MainActivity.kt

@@ -0,0 +1,85 @@
+package com.example.assignment_week_7
+
+import android.os.Bundle
+import android.widget.EditText
+import android.widget.Button
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+
+class MainActivity : AppCompatActivity() {
+    private lateinit var adapter: NameAdapter
+    private val names = mutableListOf<String>()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_main)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+
+        setupRecyclerView()
+        setupAddButton()
+    }
+
+    private fun setupRecyclerView() {
+        adapter = NameAdapter(
+            names,
+            onItemClick = { position -> showDeleteDialog(position) },
+            onItemLongClick = { position -> showEditDialog(position) }
+        )
+        findViewById<RecyclerView>(R.id.recyclerView).apply {
+            layoutManager = LinearLayoutManager(this@MainActivity)
+            adapter = this@MainActivity.adapter
+        }
+    }
+
+    private fun setupAddButton() {
+        val nameEditText = findViewById<EditText>(R.id.editText)
+        findViewById<Button>(R.id.addButton).setOnClickListener {
+            val name = nameEditText.text.toString()
+            if (name.isNotEmpty()) {
+                names.add(name)
+                adapter.notifyItemInserted(names.size - 1)
+                nameEditText.text.clear()
+            }
+        }
+    }
+
+    private fun showDeleteDialog(position: Int) {
+        AlertDialog.Builder(this)
+            .setTitle("삭제")
+            .setMessage("${names[position]}을(를) 삭제하시겠습니까?")
+            .setPositiveButton("삭제") { _, _ ->
+                names.removeAt(position)
+                adapter.notifyItemRemoved(position)
+            }
+            .setNegativeButton("취소", null)
+            .show()
+    }
+
+    private fun showEditDialog(position: Int) {
+        val editText = EditText(this)
+        editText.setText(names[position])
+
+        AlertDialog.Builder(this)
+            .setTitle("수정")
+            .setView(editText)
+            .setPositiveButton("확인") { _, _ ->
+                val newName = editText.text.toString()
+                if (newName.isNotEmpty()) {
+                    names[position] = newName
+                    adapter.notifyItemChanged(position)
+                }
+            }
+            .setNegativeButton("취소", null)
+            .show()
+    }
+}

assignment_week_7/app/src/main/java/com/example/assignment_week_7/NameAdapter.kt

@@ -0,0 +1,35 @@
+package com.example.assignment_week_7
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+
+class NameAdapter(
+    private val names: MutableList<String>,
+    private val onItemClick: (Int) -> Unit,
+    private val onItemLongClick: (Int) -> Unit
+) : RecyclerView.Adapter<NameAdapter.ViewHolder>() {
+
+    class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        val textView: TextView = view.findViewById(R.id.nameTextView)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val view = LayoutInflater.from(parent.context)
+            .inflate(R.layout.item_name, parent, false)
+        return ViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        holder.textView.text = names[position]
+        holder.itemView.setOnClickListener { onItemClick(position) }
+        holder.itemView.setOnLongClickListener {
+            onItemLongClick(position)
+            true
+        }
+    }
+
+    override fun getItemCount() = names.size
+}

newProject/app/src/main/res/layout/activity_main.xml → assignment_week_7/app/src/main/res/layout/activity_main.xml

@@ -5,15 +5,32 @@
     android:id="@+id/main"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:padding="16dp"
     tools:context=".MainActivity">
 
-    <TextView
+    <EditText
+        android:id="@+id/editText"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:hint="내용을 입력하세요"
+        app:layout_constraintEnd_toStartOf="@+id/addButton"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/addButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:text="+"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerView"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editText" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

assignment_week_7/app/src/main/res/layout/item_name.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/nameTextView"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="16dp"
+    android:textSize="16sp"
+    android:background="#FFA726" />

newProject/gradle/wrapper/gradle-wrapper.properties → assignment_week_7/gradle/wrapper/gradle-wrapper.properties

@@ -1,4 +1,4 @@
-#Tue Dec 03 14:18:12 KST 2024
+#Tue Dec 03 15:58:39 KST 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip