Assignment05

.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/CountFragment.kt

@@ -0,0 +1,87 @@
+package com.example.assignment02
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.TextView
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import android.content.DialogInterface;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+
+class CountFragment : Fragment() {
+
+    private lateinit var numberText: TextView
+    private var currentNumber: Int = 0
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val view = inflater.inflate(R.layout.fragment_count, container, false)
+
+        numberText = view.findViewById(R.id.number_text)
+        val countButton = view.findViewById<Button>(R.id.count_btn)
+        val toastButton = view.findViewById<Button>(R.id.toast_btn)
+        val randomButton = view.findViewById<Button>(R.id.random_btn)
+
+        currentNumber = arguments?.getInt("count") ?: 0
+        numberText.text = currentNumber.toString()
+
+        countButton.setOnClickListener {
+            currentNumber++
+            numberText.text = currentNumber.toString()
+        }
+        toastButton.setOnClickListener {
+            showAlertDialog()
+        }
+        randomButton.setOnClickListener {
+            val randomFragment = RandomFragment.newInstance(currentNumber)
+            requireActivity().supportFragmentManager.beginTransaction()
+                .replace(R.id.fragment_container, randomFragment)
+                .addToBackStack(null)
+                .commit()
+        }
+
+        return view
+    }
+
+    private fun showAlertDialog() {
+        // Fragment에서는 requireContext()를 사용하여 컨텍스트를 가져옴
+        val builder = AlertDialog.Builder(requireContext())
+        builder.setTitle("ToastButton")
+            .setMessage("초기화/Toast/취소")
+
+            // Positive 버튼 설정
+            .setPositiveButton("positive") { dialog, which ->
+                currentNumber = 0
+                numberText.text = currentNumber.toString()
+            }
+
+            // Neutral 버튼 설정
+            .setNeutralButton("neutral") { dialog, which ->
+                Toast.makeText(requireContext(), "Number: $currentNumber", Toast.LENGTH_SHORT).show()
+            }
+
+            // Negative 버튼 설정
+            .setNegativeButton("negative") { dialog, which ->
+            }
+
+            // 다이얼로그 생성 및 표시
+            .create()
+            .show()
+    }
+
+    companion object {
+        fun newInstance(count: Int): CountFragment {
+            val fragment = CountFragment()
+            val args = Bundle()
+            args.putInt("count", count)
+            fragment.arguments = args
+            return fragment
+        }
+    }
+}

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

@@ -1,42 +1,18 @@
 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
 
 class MainActivity : AppCompatActivity() {
+
     override fun onCreate(savedInstanceState: Bundle?) {
         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()
-            }
-            else {
-                Toast.makeText(this, "오류", Toast.LENGTH_SHORT).show()
-            }
-        }
 
-        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)
+        if (savedInstanceState == null) {
+            supportFragmentManager.beginTransaction()
+                .replace(R.id.fragment_container, CountFragment.newInstance(0))
+                .commit()
         }
     }
 }