[정현수_Android] 6-1주차 과제 제출

app/build.gradle.kts

@@ -25,6 +25,11 @@ android {
             )
         }
     }
+
+    buildFeatures {
+        viewBinding = true
+    }
+
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
@@ -37,6 +42,7 @@ dependencies {
     implementation(libs.material)
     implementation(libs.androidx.activity)
     implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.recyclerview)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

app/src/main/java/com/example/android_2026_1/MainActivity.kt

@@ -1,20 +1,86 @@
 package com.example.android_2026_1
 
 import android.os.Bundle
-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 com.example.android_2026_1.databinding.ActivityMainBinding
+import com.example.android_2026_1.databinding.DialogDeleteBinding
+import com.example.android_2026_1.databinding.DialogEditBinding
 
 class MainActivity : AppCompatActivity() {
+
+    private val nameList = mutableListOf<String>()
+    private lateinit var nameAdapter: NameAdapter
+    private lateinit var binding: ActivityMainBinding
+
     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
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        nameAdapter = NameAdapter(
+            nameList,
+            onItemClick = { position -> showDeleteDialog(position) },
+            onItemLongClick = { position -> showEditDialog(position) }
+        )
+
+        binding.recyclerView.layoutManager = LinearLayoutManager(this)
+        binding.recyclerView.adapter = nameAdapter
+
+        binding.floatingActionButton.setOnClickListener {
+            val inputName = binding.editTextText.text.toString()
+            if (inputName.isNotEmpty()) {
+                nameList.add(inputName)
+                nameAdapter.notifyItemInserted(nameList.size - 1)
+                binding.editTextText.text.clear()
+            }
+        }
+    }
+
+    private fun showDeleteDialog(position: Int) {
+        val dialogBinding = DialogDeleteBinding.inflate(layoutInflater)
+        val dialog = AlertDialog.Builder(this)
+            .setView(dialogBinding.root)
+            .create()
+
+        dialogBinding.btnDeleteCancel.setOnClickListener {
+            dialog.dismiss()
+        }
+
+        dialogBinding.btnDeleteConfirm.setOnClickListener {
+            nameList.removeAt(position)
+            nameAdapter.notifyItemRemoved(position)
+            nameAdapter.notifyItemRangeChanged(position, nameList.size)
+            dialog.dismiss()
+        }
+
+        dialog.show()
+    }
+
+    private fun showEditDialog(position: Int) {
+        val dialogBinding = DialogEditBinding.inflate(layoutInflater)
+        val dialog = AlertDialog.Builder(this)
+            .setView(dialogBinding.root)
+            .create()
+
+        dialogBinding.etDialogName.setText(nameList[position])
+        dialogBinding.etDialogName.requestFocus()
+        dialogBinding.etDialogName.selectAll()
+
+        dialogBinding.btnEditCancel.setOnClickListener {
+            dialog.dismiss()
         }
+
+        dialogBinding.btnEditConfirm.setOnClickListener {
+            val updatedName = dialogBinding.etDialogName.text.toString()
+            if (updatedName.isNotEmpty()) {
+                nameList[position] = updatedName
+                nameAdapter.notifyItemChanged(position)
+            }
+            dialog.dismiss()
+        }
+
+        dialog.show()
     }
 }

app/src/main/java/com/example/android_2026_1/NameAdapter.kt

@@ -0,0 +1,35 @@
+package com.example.android_2026_1
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.android_2026_1.databinding.ItemNameBinding
+
+class NameAdapter(
+    private val nameList: MutableList<String>,
+    private val onItemClick: (Int) -> Unit,
+    private val onItemLongClick: (Int) -> Unit
+) : RecyclerView.Adapter<NameAdapter.ViewHolder>() {
+
+    class ViewHolder(val binding: ItemNameBinding) : RecyclerView.ViewHolder(binding.root)
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val binding = ItemNameBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return ViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        holder.binding.tvName.text = nameList[position]
+
+        holder.itemView.setOnClickListener {
+            onItemClick(position)
+        }
+
+        holder.itemView.setOnLongClickListener {
+            onItemLongClick(position)
+            true
+        }
+    }
+
+    override fun getItemCount(): Int = nameList.size
+}

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

@@ -7,4 +7,35 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
+    <EditText
+        android:id="@+id/editTextText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:inputType="text"
+        android:textColorHighlight="@color/light_gray_highlight"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/floatingActionButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:clickable="true"
+        android:contentDescription="@string/btn_add_name"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="@id/recyclerView"
+        app:srcCompat="@android:drawable/ic_input_add" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerView"
+        android:layout_width="409dp"
+        android:layout_height="610dp"
+        app:layout_constraintBottom_toTopOf="@+id/floatingActionButton"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/editTextText" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="24dp">
+
+    <TextView
+        android:id="@+id/tv_delete_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/dialog_delete_title"
+        android:textColor="@color/black"
+        android:textSize="20sp"
+        android:textStyle="bold" />
+
+    <TextView
+        android:id="@+id/tv_delete_message"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:text="@string/dialog_delete_message"
+        android:textColor="@color/black"
+        android:textSize="14sp" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:gravity="end"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/btn_delete_cancel"
+            style="?android:attr/borderlessButtonStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/btn_cancel"
+            android:textColor="@color/purple_button" />
+
+        <Button
+            android:id="@+id/btn_delete_confirm"
+            style="?android:attr/borderlessButtonStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="@string/btn_delete"
+            android:textColor="@color/purple_button" />
+
+    </LinearLayout>
+
+</LinearLayout>