diff --git a/.gradle/config.properties b/.gradle/config.properties
new file mode 100644
index 0000000..38eeff9
--- /dev/null
+++ b/.gradle/config.properties
@@ -0,0 +1,2 @@
+#Mon Feb 17 09:37:49 KST 2025
+java.home=C\:\\Program Files\\Android\\Android Studio\\jbr
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index b589d56..b86273d 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="17" />
+    <bytecodeTargetLevel target="21" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
deleted file mode 100644
index 0c0c338..0000000
--- a/.idea/deploymentTargetDropDown.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetDropDown">
-    <value>
-      <entry key="app">
-        <State />
-      </entry>
-    </value>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
new file mode 100644
index 0000000..b268ef3
--- /dev/null
+++ b/.idea/deploymentTargetSelector.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 0897082..ae733f1 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index 8d81632..148fdd2 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.9.22" />
+    <option name="version" value="1.9.24" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 8978d23..74dd639 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
new file mode 100644
index 0000000..16660f1
--- /dev/null
+++ b/.idea/runConfigurations.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 35eb1dd..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..f7fb70d
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,173 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidLayouts">
+    <shared>
+      <config />
+    </shared>
+    <layouts>
+      <layout url="file://$PROJECT_DIR$/app/src/main/res/layout/activity_main.xml">
+        <config>
+          <theme>@style/Theme.Application1</theme>
+        </config>
+      </layout>
+      <layout url="file://$PROJECT_DIR$/app/src/main/res/layout/item_repo.xml">
+        <config>
+          <theme>@style/Theme.Application1</theme>
+        </config>
+      </layout>
+    </layouts>
+  </component>
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="NONE" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="af3859c7-6405-4408-b2b3-bf2b54b2912e" name="Changes" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="ClangdSettings">
+    <option name="formatViaClangd" value="false" />
+  </component>
+  <component name="ExecutionTargetManager" SELECTED_TARGET="device_and_snapshot_combo_box_target[DeviceId(pluginId=PhysicalDevice, isTemplate=false, identifier=serial=R3CMB05SW2L)]" />
+  <component name="ExternalProjectsData">
+    <projectState path="$PROJECT_DIR$">
+      <ProjectState />
+    </projectState>
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="layoutResourceFile" />
+        <option value="Kotlin Class" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectColorInfo"><![CDATA[{
+  "associatedIndex": 3
+}]]></component>
+  <component name="ProjectId" id="2t97vfJgfMscFxg8Nl00lZ1ONEo" />
+  <component name="ProjectViewState">
+    <option name="autoscrollToSource" value="true" />
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "Android App.app.executor": "Run",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.cidr.known.project.marker": "true",
+    "RunOnceActivity.readMode.enableVisualFormatting": "true",
+    "cf.first.check.clang-format": "false",
+    "cidr.known.project.marker": "true",
+    "kotlin-language-version-configured": "true",
+    "settings.editor.selected.configurable": "AndroidSdkUpdater"
+  }
+}]]></component>
+  <component name="RecentsManager">
+    <key name="MoveKotlinTopLevelDeclarationsDialog.RECENTS_KEY">
+      <recent name="com.example.application1.view" />
+    </key>
+  </component>
+  <component name="RunManager">
+    <configuration name="app" type="AndroidRunConfigurationType" factoryName="Android App" activateToolWindowBeforeRun="false">
+      <module name="Application1.app" />
+      <option name="ANDROID_RUN_CONFIGURATION_SCHEMA_VERSION" value="1" />
+      <option name="DEPLOY" value="true" />
+      <option name="DEPLOY_APK_FROM_BUNDLE" value="false" />
+      <option name="DEPLOY_AS_INSTANT" value="false" />
+      <option name="ARTIFACT_NAME" value="" />
+      <option name="PM_INSTALL_OPTIONS" value="" />
+      <option name="ALL_USERS" value="false" />
+      <option name="ALWAYS_INSTALL_WITH_PM" value="false" />
+      <option name="ALLOW_ASSUME_VERIFIED" value="false" />
+      <option name="CLEAR_APP_STORAGE" value="false" />
+      <option name="DYNAMIC_FEATURES_DISABLED_LIST" value="" />
+      <option name="ACTIVITY_EXTRA_FLAGS" value="" />
+      <option name="MODE" value="default_activity" />
+      <option name="RESTORE_ENABLED" value="false" />
+      <option name="RESTORE_FILE" value="" />
+      <option name="CLEAR_LOGCAT" value="false" />
+      <option name="SHOW_LOGCAT_AUTOMATICALLY" value="false" />
+      <option name="TARGET_SELECTION_MODE" value="DEVICE_AND_SNAPSHOT_COMBO_BOX" />
+      <option name="SELECTED_CLOUD_MATRIX_CONFIGURATION_ID" value="-1" />
+      <option name="SELECTED_CLOUD_MATRIX_PROJECT_ID" value="" />
+      <option name="DEBUGGER_TYPE" value="Auto" />
+      <Auto>
+        <option name="USE_JAVA_AWARE_DEBUGGER" value="false" />
+        <option name="SHOW_STATIC_VARS" value="true" />
+        <option name="WORKING_DIR" value="" />
+        <option name="TARGET_LOGGING_CHANNELS" value="lldb process:gdb-remote packets" />
+        <option name="SHOW_OPTIMIZED_WARNING" value="true" />
+        <option name="ATTACH_ON_WAIT_FOR_DEBUGGER" value="false" />
+        <option name="DEBUG_SANDBOX_SDK" value="false" />
+      </Auto>
+      <Hybrid>
+        <option name="USE_JAVA_AWARE_DEBUGGER" value="false" />
+        <option name="SHOW_STATIC_VARS" value="true" />
+        <option name="WORKING_DIR" value="" />
+        <option name="TARGET_LOGGING_CHANNELS" value="lldb process:gdb-remote packets" />
+        <option name="SHOW_OPTIMIZED_WARNING" value="true" />
+        <option name="ATTACH_ON_WAIT_FOR_DEBUGGER" value="false" />
+        <option name="DEBUG_SANDBOX_SDK" value="false" />
+      </Hybrid>
+      <Java>
+        <option name="ATTACH_ON_WAIT_FOR_DEBUGGER" value="false" />
+        <option name="DEBUG_SANDBOX_SDK" value="false" />
+      </Java>
+      <Native>
+        <option name="USE_JAVA_AWARE_DEBUGGER" value="false" />
+        <option name="SHOW_STATIC_VARS" value="true" />
+        <option name="WORKING_DIR" value="" />
+        <option name="TARGET_LOGGING_CHANNELS" value="lldb process:gdb-remote packets" />
+        <option name="SHOW_OPTIMIZED_WARNING" value="true" />
+        <option name="ATTACH_ON_WAIT_FOR_DEBUGGER" value="false" />
+        <option name="DEBUG_SANDBOX_SDK" value="false" />
+      </Native>
+      <Profilers>
+        <option name="ADVANCED_PROFILING_ENABLED" value="false" />
+        <option name="STARTUP_PROFILING_ENABLED" value="false" />
+        <option name="STARTUP_CPU_PROFILING_ENABLED" value="false" />
+        <option name="STARTUP_CPU_PROFILING_CONFIGURATION_NAME" value="Java/Kotlin Method Sample (legacy)" />
+        <option name="STARTUP_NATIVE_MEMORY_PROFILING_ENABLED" value="false" />
+        <option name="NATIVE_MEMORY_SAMPLE_RATE_BYTES" value="2048" />
+      </Profilers>
+      <option name="DEEP_LINK" value="" />
+      <option name="ACTIVITY" value="" />
+      <option name="ACTIVITY_CLASS" value="" />
+      <option name="SEARCH_ACTIVITY_IN_GLOBAL_SCOPE" value="false" />
+      <option name="SKIP_ACTIVITY_VALIDATION" value="false" />
+      <method v="2">
+        <option name="Android.Gradle.BeforeRunTask" enabled="true" />
+      </method>
+    </configuration>
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="af3859c7-6405-4408-b2b3-bf2b54b2912e" name="Changes" comment="" />
+      <created>1739752669320</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1739752669320</updated>
+    </task>
+    <servers />
+  </component>
+  <component name="play_dynamic_filters_status">
+    <option name="appIdToCheckInfo">
+      <map>
+        <entry key="com.example.application1">
+          <value>
+            <CheckInfo lastCheckTimestamp="1739752753753" />
+          </value>
+        </entry>
+        <entry key="com.example.application1.test">
+          <value>
+            <CheckInfo lastCheckTimestamp="1739752753751" />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 166076e..16be29d 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,16 +1,16 @@
 plugins {
-    id("com.android.application")
-    id("org.jetbrains.kotlin.android")
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
 }
 
 android {
-    namespace = "com.example.assignment02"
-    compileSdk = 34
+    namespace = "com.example.application1"
+    compileSdk = 35
 
     defaultConfig {
-        applicationId = "com.example.assignment02"
+        applicationId = "com.example.application1"
         minSdk = 31
-        targetSdk = 34
+        targetSdk = 35
         versionCode = 1
         versionName = "1.0"
 
@@ -26,22 +26,32 @@ android {
             )
         }
     }
+    buildFeatures {
+        viewBinding = true
+    }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
 }
 
 dependencies {
-    implementation("androidx.activity:activity-ktx:1.7.0")
-    implementation("androidx.core:core-ktx:1.13.1")
-    implementation("androidx.appcompat:appcompat:1.7.0")
-    implementation("com.google.android.material:material:1.12.0")
-    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
-    testImplementation("junit:junit:4.13.2")
-    androidTestImplementation("androidx.test.ext:junit:1.2.1")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.6.1")
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+    implementation(libs.androidx.lifecycle.livedata.ktx)
+    implementation(libs.retrofit)
+    implementation(libs.converter.gson)
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.8.1")
+    implementation("com.squareup.okhttp3:logging-interceptor:4.9.3")
+    implementation("androidx.recyclerview:recyclerview:1.4.0")
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.constraintlayout)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
 }
\ No newline at end of file
diff --git a/app/src/androidTest/java/com/example/assignment02/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/example/application1/ExampleInstrumentedTest.kt
similarity index 85%
rename from app/src/androidTest/java/com/example/assignment02/ExampleInstrumentedTest.kt
rename to app/src/androidTest/java/com/example/application1/ExampleInstrumentedTest.kt
index 038acf1..346de36 100644
--- a/app/src/androidTest/java/com/example/assignment02/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/com/example/application1/ExampleInstrumentedTest.kt
@@ -1,4 +1,4 @@
-package com.example.assignment02
+package com.example.application1
 
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.ext.junit.runners.AndroidJUnit4
@@ -19,6 +19,6 @@ class ExampleInstrumentedTest {
     fun useAppContext() {
         // Context of the app under test.
         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
-        assertEquals("com.example.assignment02", appContext.packageName)
+        assertEquals("com.example.application1", appContext.packageName)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c9ef4a9..319fee3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,18 +2,21 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET"/>
+
     <application
         android:allowBackup="true"
+        android:usesCleartextTraffic="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.Assignment02"
+        android:theme="@style/Theme.Application1"
         tools:targetApi="31">
         <activity
-            android:name=".MainActivity"
+            android:name=".view.MainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -21,7 +24,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".RandomActivity" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/example/application1/model/GithubData.kt b/app/src/main/java/com/example/application1/model/GithubData.kt
new file mode 100644
index 0000000..336b364
--- /dev/null
+++ b/app/src/main/java/com/example/application1/model/GithubData.kt
@@ -0,0 +1,9 @@
+package com.example.application1.model
+
+data class GithubData(
+    val name: String,
+    val description: String?,
+    val star_count: Int,
+    val branch_count: Int,
+    val url: String
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/example/application1/view/MainActivity.kt b/app/src/main/java/com/example/application1/view/MainActivity.kt
new file mode 100644
index 0000000..e0849fd
--- /dev/null
+++ b/app/src/main/java/com/example/application1/view/MainActivity.kt
@@ -0,0 +1,137 @@
+package com.example.application1.view
+
+import android.os.Bundle
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.appcompat.widget.SearchView
+import com.example.application1.databinding.ActivityMainBinding
+import com.example.application1.model.GithubData
+import org.json.JSONObject
+import java.net.HttpURLConnection
+import java.net.URL
+import java.util.concurrent.Executors
+import java.util.concurrent.ScheduledExecutorService
+import java.util.concurrent.ScheduledFuture
+import java.util.concurrent.TimeUnit
+import kotlin.concurrent.thread
+
+class MainActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityMainBinding
+    private lateinit var executor: ScheduledExecutorService
+    private var searchFuture: ScheduledFuture<*>? = null
+    private lateinit var adapter: MainAdapter
+    private var Loading = false
+    private var page = 1
+    private var pQuery: String? = null
+
+    private val repoList = mutableListOf<GithubData>()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        executor = Executors.newSingleThreadScheduledExecutor()
+
+        adapter = MainAdapter(repoList)
+        binding.RecyclerView.layoutManager = LinearLayoutManager(this)
+        binding.RecyclerView.adapter = adapter
+
+        binding.progressBar.visibility = View.GONE
+
+        binding.searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
+            override fun onQueryTextSubmit(query: String?): Boolean {
+                startNewSearch(query)
+                return true
+            }
+
+            override fun onQueryTextChange(newText: String?): Boolean {
+                searchFuture?.cancel(false)
+                searchFuture = executor.schedule(
+                    { startNewSearch(newText) },
+                    500,
+                    TimeUnit.MILLISECONDS
+                )
+                return true
+            }
+        })
+
+        // 스크롤시 30개 추가로 불러오는 코드
+        binding.RecyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
+            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+                super.onScrolled(recyclerView, dx, dy)
+                val layoutManager = recyclerView.layoutManager as LinearLayoutManager
+                val lastVisibleItem = layoutManager.findLastVisibleItemPosition()
+                val totalItemCount = layoutManager.itemCount
+
+                if (!Loading && lastVisibleItem >= totalItemCount - 5) {
+                    loadMoreResults()
+                }
+            }
+        })
+    }
+
+    private fun startNewSearch(query: String?) {
+        if (query.isNullOrEmpty()) return
+
+        pQuery = query
+        page = 1  // 페이지 번호 초기화
+        repoList.clear()  // 기존 데이터 삭제
+        adapter.notifyDataSetChanged()
+        loadMoreResults()
+    }
+
+    private fun loadMoreResults() {
+        if (pQuery.isNullOrEmpty()) return
+        Loading = true  // 로딩 시작
+        runOnUiThread { binding.progressBar.visibility = View.VISIBLE }
+
+        thread {
+            try {
+                val url = URL("https://api.github.com/search/repositories?q=${pQuery}&per_page=30&page=${page}")
+                val connection = url.openConnection() as HttpURLConnection
+                connection.requestMethod = "GET"
+                connection.connect()
+
+                val responseCode = connection.responseCode
+                if (responseCode == HttpURLConnection.HTTP_OK) {
+                    val response = connection.inputStream.bufferedReader().use { it.readText() }
+                    val jsonObject = JSONObject(response)
+                    val items = jsonObject.getJSONArray("items")
+
+                    val newResults = mutableListOf<GithubData>()
+                    for (i in 0 until items.length()) {
+                        val item = items.getJSONObject(i)
+                        val name = item.getString("name")
+                        val description = item.optString("description", "No description")
+                        val stars = item.getInt("stargazers_count")
+                        val forks = item.getInt("forks_count")
+                        val url = item.getString("html_url")
+
+                        newResults.add(GithubData(name, description, stars, forks, url))
+                    }
+
+                    runOnUiThread {
+                        repoList.addAll(newResults)
+                        adapter.notifyDataSetChanged()
+                        page++
+                        Loading = false
+                        binding.progressBar.visibility = View.GONE
+                    }
+                }
+            } catch (e: Exception) {
+                // 오류나면 모두 멈춤
+                e.printStackTrace()
+                Loading = false
+                runOnUiThread { binding.progressBar.visibility = View.GONE }
+            }
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        executor.shutdown()
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/application1/view/MainAdapter.kt b/app/src/main/java/com/example/application1/view/MainAdapter.kt
new file mode 100644
index 0000000..0ba745b
--- /dev/null
+++ b/app/src/main/java/com/example/application1/view/MainAdapter.kt
@@ -0,0 +1,42 @@
+package com.example.application1.view
+
+import android.content.Intent
+import android.net.Uri
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.application1.databinding.ItemRepoBinding
+import com.example.application1.model.GithubData
+
+class MainAdapter(private var repoList: List<GithubData>) :
+    RecyclerView.Adapter<MainAdapter.MainViewHolder>() {
+
+    class MainViewHolder(val binding: ItemRepoBinding) : RecyclerView.ViewHolder(binding.root)
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MainViewHolder {
+        val binding = ItemRepoBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return MainViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: MainViewHolder, position: Int) {
+        val repo = repoList[position]
+        with(holder.binding) {
+            repoName.text = repo.name
+            repoDescription.text = repo.description ?: " "
+            repoStar.text = "☆ ${repo.star_count}"
+            repoBranch.text = "Ψ ${repo.branch_count}"
+
+            root.setOnClickListener {
+                val intent = Intent(Intent.ACTION_VIEW, Uri.parse(repo.url))
+                it.context.startActivity(intent)
+            }
+        }
+    }
+
+    override fun getItemCount(): Int = repoList.size
+
+    fun updateData(newList: List<GithubData>) {
+        repoList = newList
+        notifyDataSetChanged()
+    }
+}
diff --git a/app/src/main/java/com/example/application1/viewmodel/MainViewModel.kt b/app/src/main/java/com/example/application1/viewmodel/MainViewModel.kt
new file mode 100644
index 0000000..3a8bfc1
--- /dev/null
+++ b/app/src/main/java/com/example/application1/viewmodel/MainViewModel.kt
@@ -0,0 +1,75 @@
+package com.example.application1.viewmodel
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.application1.model.GithubData
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import org.json.JSONObject
+import java.net.HttpURLConnection
+import java.net.URL
+
+class MainViewModel : ViewModel() {
+    private val _repoList = MutableLiveData<List<GithubData>>(emptyList())
+    val repoList: LiveData<List<GithubData>> = _repoList
+
+    private val _isLoading = MutableLiveData(false)
+    val isLoading: LiveData<Boolean> = _isLoading
+
+    private var currentQuery: String? = null
+    private var page = 1
+
+    fun onSearchQueryChanged(query: String?) {
+        if (query.isNullOrEmpty()) return
+
+        currentQuery = query
+        page = 1
+        _repoList.value = emptyList()
+        loadMoreResults()
+    }
+
+    fun loadMoreResults() {
+        if (currentQuery.isNullOrEmpty()) return
+
+        _isLoading.value = true
+
+        viewModelScope.launch(Dispatchers.IO) {
+            delay(500) // 디바운싱 효과
+            try {
+                val url = URL("https://api.github.com/search/repositories?q=${currentQuery}&per_page=30&page=${page}")
+                val connection = url.openConnection() as HttpURLConnection
+                connection.requestMethod = "GET"
+                connection.connect()
+
+                val responseCode = connection.responseCode
+                if (responseCode == HttpURLConnection.HTTP_OK) {
+                    val response = connection.inputStream.bufferedReader().use { it.readText() }
+                    val jsonObject = JSONObject(response)
+                    val items = jsonObject.getJSONArray("items")
+
+                    val newResults = mutableListOf<GithubData>()
+                    for (i in 0 until items.length()) {
+                        val item = items.getJSONObject(i)
+                        val name = item.getString("name")
+                        val description = item.optString("description", "No description")
+                        val stars = item.getInt("stargazers_count")
+                        val forks = item.getInt("forks_count")
+                        val url = item.getString("html_url")
+
+                        newResults.add(GithubData(name, description, stars, forks, url))
+                    }
+
+                    _repoList.postValue(_repoList.value.orEmpty() + newResults)
+                    page++
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+            } finally {
+                _isLoading.postValue(false)
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/com/example/assignment02/MainActivity.kt b/app/src/main/java/com/example/assignment02/MainActivity.kt
deleted file mode 100644
index acbfa04..0000000
--- a/app/src/main/java/com/example/assignment02/MainActivity.kt
+++ /dev/null
@@ -1,42 +0,0 @@
-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)
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/assignment02/RandomActivity.kt b/app/src/main/java/com/example/assignment02/RandomActivity.kt
deleted file mode 100644
index 22307a7..0000000
--- a/app/src/main/java/com/example/assignment02/RandomActivity.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.example.assignment02
-
-import android.content.Intent
-import android.os.Bundle
-import android.widget.TextView
-import androidx.appcompat.app.AppCompatActivity
-import kotlin.random.Random
-
-class RandomActivity : AppCompatActivity()  {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_random)
-        val number_text: TextView = findViewById(R.id.number_text)
-        val number = intent.getIntExtra("number", 1)
-        val resultIntent = Intent()
-
-        if (number > 0){
-            val random_number = Random.nextInt(0, number)  // 0부터 99까지의 랜덤 값
-            number_text.text = random_number.toString()
-            resultIntent.putExtra("random_number", random_number)
-            setResult(RESULT_OK, resultIntent)
-        } else {
-            number_text.text = number.toString()
-            resultIntent.putExtra("random_number", number)
-            setResult(RESULT_OK, resultIntent)
-        }
-    }
-}
\ 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 0fb246d..49b2495 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -2,51 +2,41 @@
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:padding="30dp"
-    tools:context=".MainActivity">
+    tools:context=".view.MainActivity">
 
-    <TextView
-        android:id="@+id/number_text"
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        style="?android:attr/progressBarStyle"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="0"
-        android:textSize="48sp"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintBottom_toBottomOf="@+id/RecyclerView"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="@+id/searchView"
+        app:layout_constraintVertical_bias="0.499" />
 
-    <Button
-        android:id="@+id/count_btn"
-        android:layout_width="wrap_content"
+    <androidx.appcompat.widget.SearchView
+        android:id="@+id/searchView"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="Count"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/number_text"
-        app:layout_constraintVertical_bias="0.5" />
+        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/toast_btn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Toast"
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/RecyclerView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/number_text"
-        app:layout_constraintVertical_bias="0.5" />
+        app:layout_constraintTop_toBottomOf="@+id/searchView" >
 
-    <Button
-        android:id="@+id/random_btn"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Random"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/number_text"
-        app:layout_constraintVertical_bias="0.5" />
+    </androidx.recyclerview.widget.RecyclerView>
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_random.xml b/app/src/main/res/layout/activity_random.xml
deleted file mode 100644
index 3f6e6ae..0000000
--- a/app/src/main/res/layout/activity_random.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:padding="30dp"
-    tools:context=".MainActivity">
-
-    <TextView
-        android:id="@+id/number_text"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="0"
-        android:textSize="48sp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_repo.xml b/app/src/main/res/layout/item_repo.xml
new file mode 100644
index 0000000..9744f44
--- /dev/null
+++ b/app/src/main/res/layout/item_repo.xml
@@ -0,0 +1,44 @@
+<?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="16dp">
+
+    <TextView
+        android:id="@+id/repoName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textStyle="bold"
+        android:textSize="18sp" />
+
+    <TextView
+        android:id="@+id/repoDescription"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingTop="4dp"
+        android:textColor="#444444"
+        android:textSize="14sp" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/repoStar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginRight="20dp"
+            android:paddingTop="4dp"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/repoBranch"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:paddingTop="2dp"
+            android:textSize="14sp" />
+    </LinearLayout>
+
+</LinearLayout>
diff --git a/app/src/main/res/values-night/themes.xml b/app/src/main/res/values-night/themes.xml
index e7ed86e..8381f00 100644
--- a/app/src/main/res/values-night/themes.xml
+++ b/app/src/main/res/values-night/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Base.Theme.Assignment02" parent="Theme.Material3.DayNight.NoActionBar">
+    <style name="Base.Theme.Application1" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Customize your dark theme here. -->
         <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
     </style>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index cfa0e98..acae804 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">assignment02</string>
+    <string name="app_name">Application1</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index e4c1c8e..7e362dd 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -1,9 +1,9 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Base.Theme.Assignment02" parent="Theme.Material3.DayNight.NoActionBar">
+    <style name="Base.Theme.Application1" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Customize your light theme here. -->
         <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
     </style>
 
-    <style name="Theme.Assignment02" parent="Base.Theme.Assignment02" />
+    <style name="Theme.Application1" parent="Base.Theme.Application1" />
 </resources>
\ No newline at end of file
diff --git a/app/src/test/java/com/example/assignment02/ExampleUnitTest.kt b/app/src/test/java/com/example/application1/ExampleUnitTest.kt
similarity index 90%
rename from app/src/test/java/com/example/assignment02/ExampleUnitTest.kt
rename to app/src/test/java/com/example/application1/ExampleUnitTest.kt
index 05697be..7fb241a 100644
--- a/app/src/test/java/com/example/assignment02/ExampleUnitTest.kt
+++ b/app/src/test/java/com/example/application1/ExampleUnitTest.kt
@@ -1,4 +1,4 @@
-package com.example.assignment02
+package com.example.application1
 
 import org.junit.Test
 
diff --git a/build.gradle.kts b/build.gradle.kts
index a6711ae..922f551 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,5 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id("com.android.application") version "8.2.1" apply false
-    id("org.jetbrains.kotlin.android") version "1.9.22" apply false
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.kotlin.android) apply false
 }
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 3c5031e..20e2a01 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,8 +8,8 @@
 # The setting is particularly useful for tweaking memory settings.
 org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
 # When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
 # org.gradle.parallel=true
 # AndroidX package structure to make it clearer which packages are bundled with the
 # Android operating system, and which are packaged with your app's APK
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 0000000..7d9b22b
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,32 @@
+[versions]
+agp = "8.8.0"
+kotlin = "1.9.24"
+coreKtx = "1.15.0"
+junit = "4.13.2"
+junitVersion = "1.2.1"
+espressoCore = "3.6.1"
+appcompat = "1.7.0"
+lifecycleLivedataKtx = "2.8.7"
+material = "1.12.0"
+activity = "1.10.0"
+constraintlayout = "2.2.0"
+retrofit = "2.9.0"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+androidx-lifecycle-livedata-ktx = { module = "androidx.lifecycle:lifecycle-livedata-ktx", version.ref = "lifecycleLivedataKtx" }
+androidx-lifecycle-viewmodel-ktx = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "lifecycleLivedataKtx" }
+converter-gson = { module = "com.squareup.retrofit2:converter-gson", version.ref = "retrofit" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
+material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+androidx-activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
+androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+retrofit = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofit" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 731cd98..6580bda 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Nov 12 19:15:37 KST 2024
+#Mon Feb 17 09:37:53 KST 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 4bd0930..4f8ed66 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,6 +1,12 @@
 pluginManagement {
     repositories {
-        google()
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
         mavenCentral()
         gradlePluginPortal()
     }
@@ -13,6 +19,6 @@ dependencyResolutionManagement {
     }
 }
 
-rootProject.name = "assignment02"
+rootProject.name = "Application1"
 include(":app")
  
\ No newline at end of file