Assignment06

.gradle/config.properties

@@ -0,0 +1,2 @@
+#Tue Nov 26 00:44:34 KST 2024
+java.home=C\:\\Program Files\\Android\\Android Studio1\\jbr

app/build.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 
 android {
     namespace = "com.example.assignment02"
-    compileSdk = 34
+    compileSdk = 35
 
     defaultConfig {
         applicationId = "com.example.assignment02"
@@ -36,11 +36,11 @@ android {
 }
 
 dependencies {
-    implementation("androidx.activity:activity-ktx:1.7.0")
-    implementation("androidx.core:core-ktx:1.13.1")
+
+    implementation("androidx.core:core-ktx:1.15.0")
     implementation("androidx.appcompat:appcompat:1.7.0")
     implementation("com.google.android.material:material:1.12.0")
-    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("androidx.constraintlayout:constraintlayout:2.2.0")
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.2.1")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.6.1")

app/src/main/AndroidManifest.xml

@@ -21,7 +21,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".RandomActivity" />
     </application>
 
 </manifest>

app/src/main/java/com/example/assignment02/MainActivity.kt

@@ -1,42 +1,73 @@
 package com.example.assignment02
 
-import android.app.Activity
-import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
-import android.widget.TextView
-import android.widget.Toast
-import androidx.activity.result.contract.ActivityResultContracts
+import android.widget.Button
+import android.widget.EditText
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 
 class MainActivity : AppCompatActivity() {
+
+    val nameList = mutableListOf<String>()
+
+    lateinit var name_text: EditText
+    lateinit var recycler_view: RecyclerView
+    lateinit var nameAdapter: NameAdapter
+    lateinit var add_button: Button
+
     override fun onCreate(savedInstanceState: Bundle?) {
+        // 포크용 변경
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
-        val number_text: TextView = findViewById(R.id.number_text)
-        val count_btn: TextView = findViewById(R.id.count_btn)
-        val toast_btn: TextView = findViewById(R.id.toast_btn)
-        val random_btn: TextView = findViewById(R.id.random_btn)
-        val intent = Intent(this, RandomActivity::class.java)
-
-        val resultLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
-            if (result.resultCode == Activity.RESULT_OK) {
-                number_text.text = result.data?.getIntExtra("random_number", 0).toString()
-                Toast.makeText(this, "OK", Toast.LENGTH_SHORT).show()
+
+        name_text = findViewById(R.id.name_text)
+        recycler_view = findViewById(R.id.recycler_view)
+        nameAdapter = NameAdapter(nameList) { position ->showDeleteDialog(position)}
+        add_button = findViewById(R.id.add_button)
+
+        recycler_view.layoutManager = LinearLayoutManager(this)
+        recycler_view.adapter = nameAdapter
+
+        add_button.setOnClickListener {
+            nameList.add(name_text.text.toString())
+            nameAdapter.notifyItemInserted(nameList.size - 1)
+            name_text.setText("")
+        }
+    }
+
+    private fun showDeleteDialog(position: Int) {
+        AlertDialog.Builder(this)
+            .setTitle("이름 목록 삭제하기")
+            .setMessage("이름 목록을 삭제해보자.")
+            .setPositiveButton("확인") { dialog, _ ->
+                showEditDialog(position)
+                dialog.dismiss()
             }
-            else {
-                Toast.makeText(this, "오류", Toast.LENGTH_SHORT).show()
+            .setNegativeButton("취소") { dialog, _ ->
+                dialog.dismiss()
             }
+            .create()
+            .show()
+    }
+    private fun showEditDialog(position: Int) {
+        val editText = EditText(this).apply {
+            hint = "수정할 이름을 입력하세요."
+            setText("")
         }
 
-        count_btn.setOnClickListener {
-            number_text.text = (number_text.text.toString().toInt()+1).toString()
-        }
-        toast_btn.setOnClickListener {
-            Toast.makeText(this, "숫자 : "+number_text.text, Toast.LENGTH_LONG).show()
-        }
-        random_btn.setOnClickListener {
-            intent.putExtra("number", number_text.text.toString().toInt())
-            resultLauncher.launch(intent)
-        }
+        AlertDialog.Builder(this)
+            .setTitle(" ")
+            .setView(editText)
+            .setPositiveButton("확인") { _, _ ->
+                nameList[position] = editText.text.toString()
+                nameAdapter.notifyItemChanged(position)
+            }
+            .setNegativeButton("취소") { dialog, _ ->
+                dialog.dismiss()
+            }
+            .create()
+            .show()
     }
-}
+}

app/src/main/java/com/example/assignment02/NameAdapter.kt

@@ -0,0 +1,32 @@
+package com.example.assignment02
+
+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 nameList: MutableList<String>,
+    private val onItemClick: (Int) -> Unit
+) : RecyclerView.Adapter<NameAdapter.NameViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): NameViewHolder {
+        val view = LayoutInflater.from(parent.context)
+            .inflate(R.layout.adapter_name, parent, false)
+        return NameViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: NameViewHolder, position: Int) {
+        holder.name_text.text = nameList[position]
+        holder.itemView.setOnClickListener {
+            onItemClick(position)
+        }
+    }
+
+    override fun getItemCount(): Int = nameList.size
+
+    class NameViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        val name_text: TextView = itemView.findViewById(R.id.name_text)
+    }
+}

app/src/main/res/drawable/round_button.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@android:color/holo_orange_dark" />
+    <corners android:radius="10dp" />
+</shape>