diff --git a/README.md b/README.md
index 2c7613b..3c1d120 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,11 @@
 
 <table>
   <tr>
-    <td align="center">도리/ 김도연(팀장)</td>
-    <td align="center">제로/ 정규은(팀원)</td>
-    <td align="center">레몬/ 김지아(팀원)</td>
-    <td align="center">우가/ 강수아(팀원)</td>
-    <td align="center">묵은지/ 임은지(팀원)</td>
+    <td align="center">도리/ 김도연<br>(파트장)</td>
+    <td align="center">제로/ 정규은<br>(챌린저)</td>
+    <td align="center">레몬/ 김지아<br>(챌린저)</td>
+    <td align="center">우가/ 강수아<br>(챌린저)</td>
+    <td align="center">묵은지/ 임은지<br>(챌린저)</td>
   </tr>
   <tr>
     <td align="center">
diff --git a/Week1/app/src/main/java/com/example/week1/MainActivity.kt b/Week1/app/src/main/java/com/example/week1/MainActivity.kt
index 865a367..149f1fe 100644
--- a/Week1/app/src/main/java/com/example/week1/MainActivity.kt
+++ b/Week1/app/src/main/java/com/example/week1/MainActivity.kt
@@ -1,68 +1,68 @@
 package com.example.week1
 
+import android.graphics.Color
 import android.os.Bundle
 import androidx.activity.enableEdgeToEdge
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
-import android.widget.TextView
-import android.widget.ImageView
-import android.graphics.Color
+import com.example.week1.databinding.ActivityMainBinding
 
 class MainActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityMainBinding
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
-        setContentView(R.layout.activity_main)
-        val text1 : TextView = findViewById<TextView>(R.id.text1)
-        val text2 : TextView = findViewById<TextView>(R.id.text2)
-        val text3 : TextView = findViewById<TextView>(R.id.text3)
-        val text4 : TextView = findViewById<TextView>(R.id.text4)
-        val text5 : TextView = findViewById<TextView>(R.id.text5)
-        val good : ImageView = findViewById<ImageView>(R.id.good)
-        val happy : ImageView = findViewById<ImageView>(R.id.happy)
-        val soso : ImageView = findViewById<ImageView>(R.id.soso)
-        val bad : ImageView = findViewById<ImageView>(R.id.bad)
-        val angry : ImageView = findViewById<ImageView>(R.id.angry)
-
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        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
+        }
         fun resetTextColors() {
-            text1.setTextColor(Color.BLACK)
-            text2.setTextColor(Color.BLACK)
-            text3.setTextColor(Color.BLACK)
-            text4.setTextColor(Color.BLACK)
-            text5.setTextColor(Color.BLACK)
+            binding.textgood.setTextColor(Color.BLACK)
+            binding.texthappy.setTextColor(Color.BLACK)
+            binding.textsoso.setTextColor(Color.BLACK)
+            binding.textbad.setTextColor(Color.BLACK)
+            binding.textangry.setTextColor(Color.BLACK)
         }
 
-        good.setOnClickListener {
+        binding.good.setOnClickListener {
             resetTextColors()
-            text1.setTextColor(Color.parseColor("#F9DC77"))
+            binding.textgood.setTextColor(
+                ContextCompat.getColor(this, R.color.good)
+            )
         }
 
-        happy.setOnClickListener {
+        binding.happy.setOnClickListener {
             resetTextColors()
-            text2.setTextColor(Color.parseColor("#AEE9FE"))
+            binding.texthappy.setTextColor(
+                ContextCompat.getColor(this, R.color.happy)
+            )
         }
 
-        soso.setOnClickListener {
+        binding.soso.setOnClickListener {
             resetTextColors()
-            text3.setTextColor(Color.parseColor("#94A5FE"))
+            binding.textsoso.setTextColor(
+                ContextCompat.getColor(this, R.color.soso)
+            )
         }
 
-        bad.setOnClickListener {
+        binding.bad.setOnClickListener {
             resetTextColors()
-            text4.setTextColor(Color.parseColor("#77C48D"))
+            binding.textbad.setTextColor(
+                ContextCompat.getColor(this, R.color.bad)
+            )
         }
 
-        angry.setOnClickListener {
+        binding.angry.setOnClickListener {
             resetTextColors()
-            text5.setTextColor(Color.parseColor("#D94F49"))
-        }
-
-        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.textangry.setTextColor(
+                ContextCompat.getColor(this, R.color.angry)
+            )
         }
     }
-
 }
\ No newline at end of file
diff --git a/Week1/app/src/main/res/drawable/angry.png b/Week1/app/src/main/res/drawable/angry.png
deleted file mode 100644
index 217a46b..0000000
Binary files a/Week1/app/src/main/res/drawable/angry.png and /dev/null differ
diff --git a/Week1/app/src/main/res/drawable/arrow_back.xml b/Week1/app/src/main/res/drawable/arrow_back.xml
deleted file mode 100644
index 99f85de..0000000
--- a/Week1/app/src/main/res/drawable/arrow_back.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:autoMirrored="true" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M11.67,3.87L9.9,2.1 0,12l9.9,9.9 1.77,-1.77L3.54,12z"/>
-    
-</vector>
diff --git a/Week1/app/src/main/res/drawable/bad.png b/Week1/app/src/main/res/drawable/bad.png
deleted file mode 100644
index f8aea2f..0000000
Binary files a/Week1/app/src/main/res/drawable/bad.png and /dev/null differ
diff --git a/Week1/app/src/main/res/drawable/good.png b/Week1/app/src/main/res/drawable/good.png
deleted file mode 100644
index 039a3ac..0000000
Binary files a/Week1/app/src/main/res/drawable/good.png and /dev/null differ
diff --git a/Week1/app/src/main/res/drawable/happy.png b/Week1/app/src/main/res/drawable/happy.png
deleted file mode 100644
index 90e8e66..0000000
Binary files a/Week1/app/src/main/res/drawable/happy.png and /dev/null differ
diff --git a/Week1/app/src/main/res/drawable/soso.png b/Week1/app/src/main/res/drawable/soso.png
deleted file mode 100644
index dc37241..0000000
Binary files a/Week1/app/src/main/res/drawable/soso.png and /dev/null differ
diff --git a/Week1/app/src/main/res/layout/activity_main.xml b/Week1/app/src/main/res/layout/activity_main.xml
index a8d8000..a709999 100644
--- a/Week1/app/src/main/res/layout/activity_main.xml
+++ b/Week1/app/src/main/res/layout/activity_main.xml
@@ -15,14 +15,15 @@
         android:layout_marginStart="20dp"
         android:src="@drawable/arrow_back"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"/>
+        app:layout_constraintTop_toTopOf="parent"
+        android:contentDescription="@string/my_image_description"/>
 
     <TextView
         android:id="@+id/title"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="80dp"
-        android:text="오늘 하루는 어땠나요?"
+        android:text="@string/title"
         android:textSize="30sp"
         android:layout_marginLeft="20dp"
         android:layout_marginRight="20dp"
@@ -36,7 +37,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="10dp"
-        android:text="감정우표를 선택해주세요"
+        android:text="@string/description"
         android:textSize="20sp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintBottom_toTopOf="@+id/detail"
@@ -48,7 +49,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="30dp"
-        android:text="선택한 감정우표를 기반으로 맞춤형 질문이 배달됩니다"
+        android:text="@string/detail"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintBottom_toTopOf="@+id/good"
         app:layout_constraintStart_toStartOf="parent"
@@ -59,17 +60,18 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="40dp"
-        android:src="@drawable/good"
+        android:src="@drawable/ic_emotion_good"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toTopOf="@+id/text1"
+        app:layout_constraintBottom_toTopOf="@+id/textgood"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/detail"/>
+        app:layout_constraintTop_toBottomOf="@+id/detail"
+        android:contentDescription="@string/my_image_description"/>
 
     <TextView
-        android:id="@+id/text1"
+        android:id="@+id/textgood"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="더없이 행복한 하루였어요"
+        android:text="@string/good"
         android:textColor="@color/black"
         app:layout_constraintBottom_toTopOf="@+id/happy"
         app:layout_constraintEnd_toEndOf="parent"
@@ -81,17 +83,18 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp"
-        android:src="@drawable/happy"
+        android:src="@drawable/ic_emotion_happy"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toTopOf="@+id/text2"
+        app:layout_constraintBottom_toTopOf="@+id/texthappy"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/text1"/>
+        app:layout_constraintTop_toBottomOf="@+id/textgood"
+        android:contentDescription="@string/my_image_description"/>
 
     <TextView
-        android:id="@+id/text2"
+        android:id="@+id/texthappy"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="들뜨고 흥분돼요"
+        android:text="@string/happy"
         android:textColor="@color/black"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintBottom_toTopOf="@+id/soso"
@@ -103,17 +106,18 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp"
-        android:src="@drawable/soso"
+        android:src="@drawable/ic_emotion_soso"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toTopOf="@+id/text3"
+        app:layout_constraintBottom_toTopOf="@+id/textsoso"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/text2"/>
+        app:layout_constraintTop_toBottomOf="@+id/texthappy"
+        android:contentDescription="@string/my_image_description"/>
 
     <TextView
-        android:id="@+id/text3"
+        android:id="@+id/textsoso"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="평범한 하루였어요"
+        android:text="@string/soso"
         android:textColor="@color/black"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintBottom_toTopOf="@+id/bad"
@@ -125,17 +129,18 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp"
-        android:src="@drawable/bad"
+        android:src="@drawable/ic_emotion_bad"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toTopOf="@+id/text4"
+        app:layout_constraintBottom_toTopOf="@+id/textbad"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/text3"/>
+        app:layout_constraintTop_toBottomOf="@+id/textsoso"
+        android:contentDescription="@string/my_image_description"/>
 
     <TextView
-        android:id="@+id/text4"
+        android:id="@+id/textbad"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="생각이 많아지고 불안해요"
+        android:text="@string/bad"
         android:textColor="@color/black"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintBottom_toTopOf="@+id/angry"
@@ -147,17 +152,18 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp"
-        android:src="@drawable/angry"
+        android:src="@drawable/ic_emotion_angry"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toTopOf="@+id/text5"
+        app:layout_constraintBottom_toTopOf="@+id/textangry"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/text4"/>
+        app:layout_constraintTop_toBottomOf="@+id/textbad"
+        android:contentDescription="@string/my_image_description"/>
 
     <TextView
-        android:id="@+id/text5"
+        android:id="@+id/textangry"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="부글부글 화가 나요"
+        android:text="@string/angry"
         android:textColor="@color/black"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
diff --git a/Week1/app/src/main/res/values/strings.xml b/Week1/app/src/main/res/values/strings.xml
index ade1634..ceda6df 100644
--- a/Week1/app/src/main/res/values/strings.xml
+++ b/Week1/app/src/main/res/values/strings.xml
@@ -1,3 +1,12 @@
 <resources>
     <string name="app_name">Week1</string>
+    <string name="title">오늘 하루는 어땠나요?</string>
+    <string name="description">감정우표를 선택해주세요</string>
+    <string name="detail">선택한 감정우표를 기반으로 맞춤형 질문이 배달됩니다</string>
+    <string name="good">더없이 행복한 하루였어요</string>
+    <string name="happy">들뜨고 흥분돼요</string>
+    <string name="soso">평범한 하루였어요</string>
+    <string name="bad">생각이 많아지고 불안해요</string>
+    <string name="angry">부글부글 화가 나요</string>
+    <string name="my_image_description">.</string>
 </resources>
\ No newline at end of file
diff --git a/Week1/app/src/main/res/values/themes.xml b/Week1/app/src/main/res/values/themes.xml
deleted file mode 100644
index fb78203..0000000
--- a/Week1/app/src/main/res/values/themes.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <!-- Base application theme. -->
-    <style name="Base.Theme.Week1" parent="Theme.Material3.DayNight.NoActionBar">
-        <!-- Customize your light theme here. -->
-        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
-    </style>
-
-    <style name="Theme.Week1" parent="Base.Theme.Week1" />
-</resources>
\ No newline at end of file
diff --git a/Week1/.gitignore b/Week3/.gitignore
similarity index 100%
rename from Week1/.gitignore
rename to Week3/.gitignore
diff --git a/Week1/app/.gitignore b/Week3/app/.gitignore
similarity index 100%
rename from Week1/app/.gitignore
rename to Week3/app/.gitignore
diff --git a/Week1/app/build.gradle.kts b/Week3/app/build.gradle.kts
similarity index 53%
rename from Week1/app/build.gradle.kts
rename to Week3/app/build.gradle.kts
index cfcfc78..b2e7d1b 100644
--- a/Week1/app/build.gradle.kts
+++ b/Week3/app/build.gradle.kts
@@ -3,7 +3,7 @@ plugins {
 }
 
 android {
-    namespace = "com.example.week1"
+    namespace = "com.example.week3"
     compileSdk {
         version = release(36) {
             minorApiLevel = 1
@@ -11,7 +11,7 @@ android {
     }
 
     defaultConfig {
-        applicationId = "com.example.week1"
+        applicationId = "com.example.week3"
         minSdk = 24
         targetSdk = 36
         versionCode = 1
@@ -33,6 +33,10 @@ android {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
     }
+
+    buildFeatures {
+        viewBinding = true
+    }
 }
 
 dependencies {
@@ -44,4 +48,19 @@ dependencies {
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
+    implementation(libs.androidx.navigation.fragment.ktx)
+    implementation(libs.androidx.navigation.ui.ktx)
+    implementation("com.google.code.gson:gson:2.10.1")
+    implementation("com.google.code.gson:gson:2.10.1")
+    implementation("androidx.datastore:datastore-preferences:1.0.0")
+    implementation("androidx.room:room-runtime:2.6.0")
+    annotationProcessor("androidx.room:room-compiler:2.6.0")
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
+
+    implementation("com.github.bumptech.glide:glide:4.16.0")
+
+    implementation("com.squareup.okhttp3:logging-interceptor:4.12.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.8.0")
 }
\ No newline at end of file
diff --git a/Week1/app/proguard-rules.pro b/Week3/app/proguard-rules.pro
similarity index 100%
rename from Week1/app/proguard-rules.pro
rename to Week3/app/proguard-rules.pro
diff --git a/Week1/app/src/androidTest/java/com/example/week1/ExampleInstrumentedTest.kt b/Week3/app/src/androidTest/java/com/example/week3/ExampleInstrumentedTest.kt
similarity index 86%
rename from Week1/app/src/androidTest/java/com/example/week1/ExampleInstrumentedTest.kt
rename to Week3/app/src/androidTest/java/com/example/week3/ExampleInstrumentedTest.kt
index bc55096..460ce62 100644
--- a/Week1/app/src/androidTest/java/com/example/week1/ExampleInstrumentedTest.kt
+++ b/Week3/app/src/androidTest/java/com/example/week3/ExampleInstrumentedTest.kt
@@ -1,4 +1,4 @@
-package com.example.week1
+package com.example.week3
 
 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.week1", appContext.packageName)
+        assertEquals("com.example.week3", appContext.packageName)
     }
 }
\ No newline at end of file
diff --git a/Week1/app/src/main/AndroidManifest.xml b/Week3/app/src/main/AndroidManifest.xml
similarity index 84%
rename from Week1/app/src/main/AndroidManifest.xml
rename to Week3/app/src/main/AndroidManifest.xml
index c891bc8..49d9def 100644
--- a/Week1/app/src/main/AndroidManifest.xml
+++ b/Week3/app/src/main/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <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:dataExtractionRules="@xml/data_extraction_rules"
@@ -10,7 +10,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.Week1">
+        android:theme="@style/Theme.Week3"
+        android:usesCleartextTraffic="true">
         <activity
             android:name=".MainActivity"
             android:exported="true">
diff --git a/Week3/app/src/main/java/com/example/week3/BuyAllFragment.kt b/Week3/app/src/main/java/com/example/week3/BuyAllFragment.kt
new file mode 100644
index 0000000..f1bf049
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/BuyAllFragment.kt
@@ -0,0 +1,56 @@
+package com.example.week3
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.GridLayoutManager
+import com.example.week3.ProductRepository
+import com.example.week3.databinding.FragmentBuyAllBinding
+import kotlinx.coroutines.launch
+
+class BuyAllFragment : Fragment(R.layout.fragment_buy_all) {
+    private var _binding: FragmentBuyAllBinding? = null
+    private val binding get() = _binding!!
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        _binding = FragmentBuyAllBinding.bind(view)
+
+        val productAdapter = ProductAdapter { clickedItem ->
+            handleWishClick(clickedItem)
+        }
+
+        binding.recyclerGrid.apply {
+            adapter = productAdapter
+            layoutManager = GridLayoutManager(requireContext(), 2)
+        }
+
+        observeProducts()
+    }
+
+    private fun observeProducts() {
+        viewLifecycleOwner.lifecycleScope.launch {
+            ProductRepository.getProductsFlow(requireContext()).collect { updatedList ->
+                (binding.recyclerGrid.adapter as ProductAdapter).submitList(updatedList)
+            }
+        }
+    }
+
+    private fun handleWishClick(clickedItem: ProductData) {
+        viewLifecycleOwner.lifecycleScope.launch {
+            val currentList = ProductRepository.getProductsOnce(requireContext()).toMutableList()
+            val index = currentList.indexOfFirst { it.id == clickedItem.id }
+            if (index != -1) {
+                currentList[index] = clickedItem.copy(isWished = !clickedItem.isWished)
+
+                ProductRepository.saveProducts(requireContext(), currentList)
+            }
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/BuyFragment.kt b/Week3/app/src/main/java/com/example/week3/BuyFragment.kt
new file mode 100644
index 0000000..f0275e2
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/BuyFragment.kt
@@ -0,0 +1,71 @@
+package com.example.week3
+
+import android.graphics.Typeface
+import android.os.Bundle
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.fragment.app.Fragment
+import com.example.week3.databinding.FragmentBuyBinding
+import com.google.android.material.tabs.TabLayout
+
+class BuyFragment : Fragment(R.layout.fragment_buy) {
+
+    private var _binding: FragmentBuyBinding? = null
+    private val binding get() = _binding!!
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        _binding = FragmentBuyBinding.bind(view)
+
+        setupTabs()
+    }
+
+    private fun setupTabs() {
+        binding.tabLayout.addTab(binding.tabLayout.newTab().setText(getString(R.string.all)))
+        binding.tabLayout.addTab(binding.tabLayout.newTab().setText(getString(R.string.Shirts)))
+        binding.tabLayout.addTab(binding.tabLayout.newTab().setText(getString(R.string.Shoes)))
+
+        replaceTabFragment(BuyAllFragment())
+
+        binding.tabLayout.addOnTabSelectedListener(object : TabLayout.OnTabSelectedListener {
+            override fun onTabSelected(tab: TabLayout.Tab?) {
+                updateTabStyle(tab, true)
+
+                when (tab?.position) {
+                    0 -> replaceTabFragment(BuyAllFragment())
+                    1 -> replaceTabFragment(BuyTopsFragment())
+                    2 -> replaceTabFragment(BuyShoesFragment())
+                }
+            }
+
+            override fun onTabUnselected(tab: TabLayout.Tab?) {
+                updateTabStyle(tab, false)
+            }
+
+            override fun onTabReselected(tab: TabLayout.Tab?) {}
+        })
+
+        updateTabStyle(binding.tabLayout.getTabAt(0), true)
+    }
+
+    private fun replaceTabFragment(fragment: Fragment) {
+        childFragmentManager.beginTransaction()
+            .replace(R.id.tabContent, fragment)
+            .commit()
+    }
+
+    private fun updateTabStyle(tab: TabLayout.Tab?, isBold: Boolean) {
+        val tabView = (binding.tabLayout.getChildAt(0) as ViewGroup).getChildAt(tab?.position ?: 0) as ViewGroup
+        val textView = tabView.getChildAt(1) as? TextView
+
+        textView?.let {
+            it.typeface = if (isBold) Typeface.DEFAULT_BOLD else Typeface.DEFAULT
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/BuyShoesFragment.kt b/Week3/app/src/main/java/com/example/week3/BuyShoesFragment.kt
new file mode 100644
index 0000000..312c22f
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/BuyShoesFragment.kt
@@ -0,0 +1,23 @@
+package com.example.week3
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+
+class BuyShoesFragment : Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return inflater.inflate(R.layout.fragment_buy_shoes, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/BuyTopsFragment.kt b/Week3/app/src/main/java/com/example/week3/BuyTopsFragment.kt
new file mode 100644
index 0000000..d4d8101
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/BuyTopsFragment.kt
@@ -0,0 +1,23 @@
+package com.example.week3
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+
+class BuyTopsFragment : Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return inflater.inflate(R.layout.fragment_buy_tops, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/FollowingAdapter.kt b/Week3/app/src/main/java/com/example/week3/FollowingAdapter.kt
new file mode 100644
index 0000000..7c19fec
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/FollowingAdapter.kt
@@ -0,0 +1,35 @@
+package com.example.week3
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+
+class FollowingAdapter(private val userList: List<UserData>) :
+    RecyclerView.Adapter<FollowingAdapter.FollowingViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FollowingViewHolder {
+        val view = LayoutInflater.from(parent.context)
+            .inflate(R.layout.item_following, parent, false)
+        return FollowingViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: FollowingViewHolder, position: Int) {
+        val user = userList[position]
+        holder.name.text = user.firstName
+
+        Glide.with(holder.itemView.context)
+            .load(user.avatar)
+            .into(holder.image)
+    }
+
+    override fun getItemCount(): Int = userList.size
+
+    class FollowingViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        val image: ImageView = view.findViewById(R.id.ivFollowingProfile)
+        val name: TextView = view.findViewById(R.id.tvFollowingName)
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/HomeFragment.kt b/Week3/app/src/main/java/com/example/week3/HomeFragment.kt
new file mode 100644
index 0000000..9021097
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/HomeFragment.kt
@@ -0,0 +1,61 @@
+package com.example.week3
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.example.week3.ProductRepository
+import com.example.week3.databinding.FragmentHomeBinding
+import kotlinx.coroutines.launch
+
+class HomeFragment : Fragment(R.layout.fragment_home) {
+    private var _binding: FragmentHomeBinding? = null
+    private val binding get() = _binding!!
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        _binding = FragmentHomeBinding.bind(view)
+
+        val productAdapter = ProductAdapter { clickedItem ->
+            handleWishClick(clickedItem)
+        }
+
+        binding.recyclerViewHome.apply {
+            adapter = productAdapter
+            layoutManager = LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false)
+            isNestedScrollingEnabled = false
+        }
+
+        loadProducts()
+    }
+
+    private fun loadProducts() {
+        viewLifecycleOwner.lifecycleScope.launch {
+            val allProducts = ProductRepository.getProductsOnce(requireContext())
+            val adapter = binding.recyclerViewHome.adapter as ProductAdapter
+            adapter.submitList(allProducts)
+        }
+    }
+
+    private fun handleWishClick(clickedItem: ProductData) {
+        val adapter = binding.recyclerViewHome.adapter as ProductAdapter
+        val newList = adapter.currentList.toMutableList()
+
+        val index = newList.indexOfFirst { it.id == clickedItem.id }
+        if (index != -1) {
+            newList[index] = clickedItem.copy(isWished = !clickedItem.isWished)
+
+            adapter.submitList(newList)
+
+            viewLifecycleOwner.lifecycleScope.launch {
+                ProductRepository.saveProducts(requireContext(), newList)
+            }
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/MainActivity.kt b/Week3/app/src/main/java/com/example/week3/MainActivity.kt
new file mode 100644
index 0000000..b7e4cc1
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/MainActivity.kt
@@ -0,0 +1,30 @@
+package com.example.week3
+
+import com.example.week3.databinding.ActivityMainBinding
+
+import android.os.Bundle
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.navigation.fragment.NavHostFragment
+import androidx.navigation.ui.setupWithNavController
+
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityMainBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        val navHostFragment = supportFragmentManager
+            .findFragmentById(R.id.nav_host_fragment) as NavHostFragment
+        val navController = navHostFragment.navController
+
+        binding.bottomNav.setupWithNavController(navController)
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/ProductAdapter.kt b/Week3/app/src/main/java/com/example/week3/ProductAdapter.kt
new file mode 100644
index 0000000..6ef5f30
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/ProductAdapter.kt
@@ -0,0 +1,58 @@
+package com.example.week3
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.example.week3.databinding.ItemGridProductBinding
+
+
+class ProductAdapter(private val onWishClick: (ProductData) -> Unit
+) : ListAdapter<ProductData, ProductAdapter.ViewHolder>(ProductDiffCallback()) {
+
+    inner class ViewHolder(val binding: ItemGridProductBinding) : RecyclerView.ViewHolder(binding.root)
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val binding = ItemGridProductBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return ViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val item = getItem(position)
+        with(holder.binding) {
+            val context = root.context
+            val resourceId = context.resources.getIdentifier(
+                item.imageRes, "drawable", context.packageName
+            )
+
+            if (resourceId != 0) {
+                imgProduct.setImageResource(resourceId)
+            } else {
+                imgProduct.setImageResource(R.drawable.img_nemo)
+            }
+            txtName.text = item.name
+            txtDesc.text = item.desc
+            txtColor.text = "색상 ${item.colorCount}개"
+            txtPrice.text = item.price
+
+            btnWish.setImageResource(
+                if (item.isWished) R.drawable.ic_wish_heart_fill else R.drawable.ic_wish_heart
+            )
+
+            btnWish.setOnClickListener {
+                onWishClick(item)
+            }
+        }
+    }
+}
+
+class ProductDiffCallback : DiffUtil.ItemCallback<ProductData>() {
+    override fun areItemsTheSame(oldItem: ProductData, newItem: ProductData): Boolean {
+        return oldItem.id == newItem.id
+    }
+
+    override fun areContentsTheSame(oldItem: ProductData, newItem: ProductData): Boolean {
+        return oldItem == newItem
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/ProductData.kt b/Week3/app/src/main/java/com/example/week3/ProductData.kt
new file mode 100644
index 0000000..cd5788e
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/ProductData.kt
@@ -0,0 +1,11 @@
+package com.example.week3
+
+data class ProductData (
+    val id: Int,
+    val imageRes: String,
+    val name: String,
+    val desc: String,
+    val colorCount: Int,
+    val price: String,
+    var isWished: Boolean = false
+)
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/ProductRepository.kt b/Week3/app/src/main/java/com/example/week3/ProductRepository.kt
new file mode 100644
index 0000000..79e7e2c
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/ProductRepository.kt
@@ -0,0 +1,56 @@
+package com.example.week3
+
+import android.content.Context
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.stringPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
+
+private val Context.dataStore by preferencesDataStore(name = "product_prefs")
+
+object ProductRepository {
+    private val PRODUCTS_KEY = stringPreferencesKey("products_json")
+    private val gson = Gson()
+
+    private val initialList = listOf(
+        ProductData(1, "image4", "상품1", "설명1", 1, "₩20,000"),
+        ProductData(2, "image2", "상품2", "설명2", 2, "₩40,000"),
+        ProductData(3, "image3", "상품3", "설명3", 4, "₩80,000"),
+        ProductData(4, "image1", "상품4", "설명4", 5, "₩100,000")
+    )
+
+    fun getProductsFlow(context: Context): Flow<List<ProductData>> {
+        return context.dataStore.data.map { preferences ->
+            val json = preferences[PRODUCTS_KEY]
+            if (json == null) {
+                initialList
+            } else {
+                val type = object : TypeToken<List<ProductData>>() {}.type
+                gson.fromJson(json, type)
+            }
+        }
+    }
+
+    suspend fun getProductsOnce(context: Context): List<ProductData> {
+        val preferences = context.dataStore.data.first()
+        val json = preferences[PRODUCTS_KEY]
+        return if (json == null) {
+            saveProducts(context, initialList)
+            initialList
+        } else {
+            val type = object : TypeToken<List<ProductData>>() {}.type
+            gson.fromJson(json, type)
+        }
+    }
+
+    suspend fun saveProducts(context: Context, productList: List<ProductData>) {
+        val jsonString = gson.toJson(productList)
+        context.dataStore.edit { preferences ->
+            preferences[PRODUCTS_KEY] = jsonString
+        }
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/ProfileFragment.kt b/Week3/app/src/main/java/com/example/week3/ProfileFragment.kt
new file mode 100644
index 0000000..0dfcbb5
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/ProfileFragment.kt
@@ -0,0 +1,81 @@
+package com.example.week3
+
+import android.os.Bundle
+import android.view.View
+import android.widget.ImageView
+import android.widget.TextView
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+
+class ProfileFragment : Fragment(R.layout.fragment_profile) {
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val imgProfile = view.findViewById<ImageView>(R.id.imgProfile)
+        val tvNickname = view.findViewById<TextView>(R.id.nickname)
+        val rvFollowing = view.findViewById<RecyclerView>(R.id.rvFollowing)
+
+        val okHttpClient = OkHttpClient.Builder()
+            .addInterceptor { chain ->
+                val original = chain.request()
+                val requestBuilder = original.newBuilder()
+                    .header("x-api-key", "reqres_286fae62df9643f089a91de5a72a2ef4")
+                    .method(original.method, original.body)
+                val request = requestBuilder.build()
+                chain.proceed(request)
+            }
+            .addInterceptor(HttpLoggingInterceptor().apply {
+            level = HttpLoggingInterceptor.Level.BODY
+            })
+            .build()
+
+        val retrofit = Retrofit.Builder()
+            .baseUrl("https://reqres.in/")
+            .client(okHttpClient)
+            .addConverterFactory(GsonConverterFactory.create())
+            .build()
+        val service = retrofit.create(ReqResService::class.java)
+
+        service.getProfile().enqueue(object : Callback<SingleUserResponse> {
+            override fun onResponse(call: Call<SingleUserResponse>, response: Response<SingleUserResponse>) {
+                if (response.isSuccessful) {
+                    val user = response.body()?.data
+                    user?.let {
+                        tvNickname.text = "${it.firstName} ${it.lastName}"
+                        Glide.with(this@ProfileFragment).load(it.avatar).into(imgProfile)
+                    }
+                }
+            }
+            override fun onFailure(call: Call<SingleUserResponse>, t: Throwable) {}
+        })
+
+        service.getFollowingList().enqueue(object : Callback<UserListResponse> {
+            override fun onResponse(call: Call<UserListResponse>, response: Response<UserListResponse>) {
+                if (response.isSuccessful) {
+                    val allUsers = response.body()?.data ?: listOf()
+
+                    val filteredUsers = allUsers.filter { it.id != 1 }
+
+                    val adapter = FollowingAdapter(filteredUsers)
+                    rvFollowing.adapter = adapter
+                    rvFollowing.layoutManager = LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)
+                }
+            }
+
+            override fun onFailure(call: Call<UserListResponse>, t: Throwable) {
+                Toast.makeText(context, "목록 로드 실패", Toast.LENGTH_SHORT).show()
+            }
+        })
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/ReqResData.kt b/Week3/app/src/main/java/com/example/week3/ReqResData.kt
new file mode 100644
index 0000000..443a43d
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/ReqResData.kt
@@ -0,0 +1,19 @@
+package com.example.week3
+
+import com.google.gson.annotations.SerializedName
+
+data class SingleUserResponse(
+    val data: UserData
+)
+
+data class UserListResponse(
+    val data: List<UserData>
+)
+
+data class UserData(
+    val id: Int,
+    val email: String,
+    @SerializedName("first_name") val firstName: String,
+    @SerializedName("last_name") val lastName: String,
+    val avatar: String
+)
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/ReqResService.kt b/Week3/app/src/main/java/com/example/week3/ReqResService.kt
new file mode 100644
index 0000000..7f1d1e5
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/ReqResService.kt
@@ -0,0 +1,13 @@
+package com.example.week3
+
+import retrofit2.Call
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+interface ReqResService {
+    @GET("api/users/1")
+    fun getProfile(): Call<SingleUserResponse>
+
+    @GET("api/users")
+    fun getFollowingList(@Query("page") page: Int = 1): Call<UserListResponse>
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/ShoppingcartFragment.kt b/Week3/app/src/main/java/com/example/week3/ShoppingcartFragment.kt
new file mode 100644
index 0000000..e00e775
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/ShoppingcartFragment.kt
@@ -0,0 +1,37 @@
+package com.example.week3
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import android.widget.Button
+import androidx.navigation.fragment.findNavController
+import androidx.navigation.NavOptions
+
+class ShoppingcartFragment : Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+
+    ): View {
+        return inflater.inflate(R.layout.fragment_shoppingcart, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val button = view.findViewById<Button>(R.id.buy_button)
+
+        button.setOnClickListener {
+            val navOptions = NavOptions.Builder()
+                .setPopUpTo(R.id.btnShoppingcart, true)
+                .build()
+
+            findNavController().navigate(R.id.btnBuy, null, navOptions)
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/java/com/example/week3/WishlistFragment.kt b/Week3/app/src/main/java/com/example/week3/WishlistFragment.kt
new file mode 100644
index 0000000..e7a57f8
--- /dev/null
+++ b/Week3/app/src/main/java/com/example/week3/WishlistFragment.kt
@@ -0,0 +1,59 @@
+package com.example.week3
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.GridLayoutManager
+import com.example.week3.ProductRepository
+import com.example.week3.databinding.FragmentWishlistBinding
+import kotlinx.coroutines.launch
+
+class WishlistFragment : Fragment(R.layout.fragment_wishlist) {
+    private var _binding: FragmentWishlistBinding? = null
+    private val binding get() = _binding!!
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        _binding = FragmentWishlistBinding.bind(view)
+
+        val productAdapter = ProductAdapter { clickedItem ->
+            handleRemoveWish(clickedItem)
+        }
+
+        binding.recyclerWish.apply {
+            adapter = productAdapter
+            layoutManager = GridLayoutManager(requireContext(), 2)
+        }
+        loadWishlist()
+    }
+
+    private fun loadWishlist() {
+        viewLifecycleOwner.lifecycleScope.launch {
+            val allProducts = ProductRepository.getProductsOnce(requireContext())
+            val wishList = allProducts.filter { it.isWished }
+            (binding.recyclerWish.adapter as ProductAdapter).submitList(wishList)
+        }
+    }
+
+    private fun handleRemoveWish(clickedItem: ProductData) {
+        viewLifecycleOwner.lifecycleScope.launch {
+            val allProducts = ProductRepository.getProductsOnce(requireContext()).toMutableList()
+
+            val index = allProducts.indexOfFirst { it.id == clickedItem.id }
+            if (index != -1) {
+                allProducts[index] = clickedItem.copy(isWished = false)
+
+                ProductRepository.saveProducts(requireContext(), allProducts)
+
+                val updatedWishList = allProducts.filter { it.isWished }
+                (binding.recyclerWish.adapter as ProductAdapter).submitList(updatedWishList)
+            }
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
\ No newline at end of file
diff --git a/Week3/app/src/main/res/color/wish_heart_tint.xml b/Week3/app/src/main/res/color/wish_heart_tint.xml
new file mode 100644
index 0000000..42fea8a
--- /dev/null
+++ b/Week3/app/src/main/res/color/wish_heart_tint.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@android:color/holo_red_dark" android:state_selected="true" />
+    <item android:color="@android:color/black" />
+</selector>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/drawable/bg_circle.xml b/Week3/app/src/main/res/drawable/bg_circle.xml
new file mode 100644
index 0000000..36845a7
--- /dev/null
+++ b/Week3/app/src/main/res/drawable/bg_circle.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="#FFFFFF"/>
+</shape>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/drawable/ic_bag_simple.png b/Week3/app/src/main/res/drawable/ic_bag_simple.png
new file mode 100644
index 0000000..063ecbf
Binary files /dev/null and b/Week3/app/src/main/res/drawable/ic_bag_simple.png differ
diff --git a/Week3/app/src/main/res/drawable/ic_event.xml b/Week3/app/src/main/res/drawable/ic_event.xml
new file mode 100644
index 0000000..94d16b8
--- /dev/null
+++ b/Week3/app/src/main/res/drawable/ic_event.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="40dp"
+    android:height="35dp"
+    android:viewportWidth="18"
+    android:viewportHeight="20">
+  <path
+      android:pathData="M16.5,1.5H14.25V0.75C14.25,0.551 14.171,0.36 14.03,0.22C13.89,0.079 13.699,0 13.5,0C13.301,0 13.11,0.079 12.97,0.22C12.829,0.36 12.75,0.551 12.75,0.75V1.5H5.25V0.75C5.25,0.551 5.171,0.36 5.03,0.22C4.89,0.079 4.699,0 4.5,0C4.301,0 4.11,0.079 3.97,0.22C3.829,0.36 3.75,0.551 3.75,0.75V1.5H1.5C1.102,1.5 0.721,1.658 0.439,1.939C0.158,2.221 0,2.602 0,3V18C0,18.398 0.158,18.779 0.439,19.061C0.721,19.342 1.102,19.5 1.5,19.5H16.5C16.898,19.5 17.279,19.342 17.561,19.061C17.842,18.779 18,18.398 18,18V3C18,2.602 17.842,2.221 17.561,1.939C17.279,1.658 16.898,1.5 16.5,1.5ZM16.5,6H1.5V3H3.75V3.75C3.75,3.949 3.829,4.14 3.97,4.28C4.11,4.421 4.301,4.5 4.5,4.5C4.699,4.5 4.89,4.421 5.03,4.28C5.171,4.14 5.25,3.949 5.25,3.75V3H12.75V3.75C12.75,3.949 12.829,4.14 12.97,4.28C13.11,4.421 13.301,4.5 13.5,4.5C13.699,4.5 13.89,4.421 14.03,4.28C14.171,4.14 14.25,3.949 14.25,3.75V3H16.5V6Z"
+      android:fillColor="#BABABA"/>
+</vector>
diff --git a/Week3/app/src/main/res/drawable/ic_heart_straight.png b/Week3/app/src/main/res/drawable/ic_heart_straight.png
new file mode 100644
index 0000000..de6ded5
Binary files /dev/null and b/Week3/app/src/main/res/drawable/ic_heart_straight.png differ
diff --git a/Week3/app/src/main/res/drawable/ic_house_simple.png b/Week3/app/src/main/res/drawable/ic_house_simple.png
new file mode 100644
index 0000000..a6cd2b9
Binary files /dev/null and b/Week3/app/src/main/res/drawable/ic_house_simple.png differ
diff --git a/Week1/app/src/main/res/drawable/ic_launcher_background.xml b/Week3/app/src/main/res/drawable/ic_launcher_background.xml
similarity index 100%
rename from Week1/app/src/main/res/drawable/ic_launcher_background.xml
rename to Week3/app/src/main/res/drawable/ic_launcher_background.xml
diff --git a/Week1/app/src/main/res/drawable/ic_launcher_foreground.xml b/Week3/app/src/main/res/drawable/ic_launcher_foreground.xml
similarity index 100%
rename from Week1/app/src/main/res/drawable/ic_launcher_foreground.xml
rename to Week3/app/src/main/res/drawable/ic_launcher_foreground.xml
diff --git a/Week3/app/src/main/res/drawable/ic_list_magnifying_glass.png b/Week3/app/src/main/res/drawable/ic_list_magnifying_glass.png
new file mode 100644
index 0000000..25a8f99
Binary files /dev/null and b/Week3/app/src/main/res/drawable/ic_list_magnifying_glass.png differ
diff --git a/Week3/app/src/main/res/drawable/ic_order.xml b/Week3/app/src/main/res/drawable/ic_order.xml
new file mode 100644
index 0000000..366915e
--- /dev/null
+++ b/Week3/app/src/main/res/drawable/ic_order.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="40dp"
+    android:height="35dp"
+    android:viewportWidth="21"
+    android:viewportHeight="15">
+  <path
+      android:pathData="M19.5,0H1.5C1.102,0 0.721,0.158 0.439,0.439C0.158,0.721 0,1.102 0,1.5V3.75C0,4.148 0.158,4.529 0.439,4.811C0.721,5.092 1.102,5.25 1.5,5.25V13.5C1.5,13.898 1.658,14.279 1.939,14.561C2.221,14.842 2.602,15 3,15H18C18.398,15 18.779,14.842 19.061,14.561C19.342,14.279 19.5,13.898 19.5,13.5V5.25C19.898,5.25 20.279,5.092 20.561,4.811C20.842,4.529 21,4.148 21,3.75V1.5C21,1.102 20.842,0.721 20.561,0.439C20.279,0.158 19.898,0 19.5,0ZM12.75,9H8.25C8.051,9 7.86,8.921 7.72,8.78C7.579,8.64 7.5,8.449 7.5,8.25C7.5,8.051 7.579,7.86 7.72,7.72C7.86,7.579 8.051,7.5 8.25,7.5H12.75C12.949,7.5 13.14,7.579 13.28,7.72C13.421,7.86 13.5,8.051 13.5,8.25C13.5,8.449 13.421,8.64 13.28,8.78C13.14,8.921 12.949,9 12.75,9ZM19.5,3.75H1.5V1.5H19.5V3.75Z"
+      android:fillColor="#BABABA"/>
+</vector>
diff --git a/Week3/app/src/main/res/drawable/ic_pass.xml b/Week3/app/src/main/res/drawable/ic_pass.xml
new file mode 100644
index 0000000..389538c
--- /dev/null
+++ b/Week3/app/src/main/res/drawable/ic_pass.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="40dp"
+    android:height="35dp"
+    android:viewportWidth="20"
+    android:viewportHeight="17">
+  <path
+      android:pathData="M8.25,7.5C8.25,7.797 8.162,8.087 7.997,8.333C7.832,8.58 7.598,8.772 7.324,8.886C7.05,8.999 6.748,9.029 6.457,8.971C6.166,8.913 5.899,8.77 5.689,8.561C5.48,8.351 5.337,8.084 5.279,7.793C5.221,7.502 5.251,7.2 5.364,6.926C5.478,6.652 5.67,6.418 5.917,6.253C6.163,6.088 6.453,6 6.75,6C7.148,6 7.529,6.158 7.811,6.439C8.092,6.721 8.25,7.102 8.25,7.5ZM19.5,1.5V15C19.5,15.398 19.342,15.779 19.061,16.061C18.779,16.342 18.398,16.5 18,16.5H1.5C1.102,16.5 0.721,16.342 0.439,16.061C0.158,15.779 0,15.398 0,15V1.5C0,1.102 0.158,0.721 0.439,0.439C0.721,0.158 1.102,0 1.5,0H18C18.398,0 18.779,0.158 19.061,0.439C19.342,0.721 19.5,1.102 19.5,1.5ZM10.477,11.813C10.234,10.906 9.658,10.125 8.865,9.624C9.286,9.206 9.574,8.671 9.691,8.089C9.808,7.506 9.75,6.902 9.523,6.353C9.297,5.804 8.912,5.334 8.419,5.004C7.925,4.673 7.344,4.497 6.75,4.497C6.156,4.497 5.575,4.673 5.081,5.004C4.588,5.334 4.203,5.804 3.977,6.353C3.75,6.902 3.692,7.506 3.809,8.089C3.926,8.671 4.214,9.206 4.635,9.624C3.842,10.125 3.267,10.907 3.023,11.813C2.974,12.005 3.003,12.21 3.104,12.381C3.205,12.553 3.37,12.677 3.563,12.727C3.755,12.776 3.96,12.747 4.131,12.646C4.303,12.545 4.427,12.38 4.477,12.188C4.724,11.227 5.701,10.5 6.75,10.5C7.799,10.5 8.777,11.225 9.023,12.188C9.073,12.38 9.197,12.545 9.369,12.646C9.54,12.747 9.745,12.776 9.938,12.727C10.13,12.677 10.295,12.553 10.396,12.381C10.497,12.21 10.526,12.005 10.477,11.813ZM16.5,9.75C16.5,9.551 16.421,9.36 16.28,9.22C16.14,9.079 15.949,9 15.75,9H12C11.801,9 11.61,9.079 11.47,9.22C11.329,9.36 11.25,9.551 11.25,9.75C11.25,9.949 11.329,10.14 11.47,10.28C11.61,10.421 11.801,10.5 12,10.5H15.75C15.949,10.5 16.14,10.421 16.28,10.28C16.421,10.14 16.5,9.949 16.5,9.75ZM16.5,6.75C16.5,6.551 16.421,6.36 16.28,6.22C16.14,6.079 15.949,6 15.75,6H12C11.801,6 11.61,6.079 11.47,6.22C11.329,6.36 11.25,6.551 11.25,6.75C11.25,6.949 11.329,7.14 11.47,7.28C11.61,7.421 11.801,7.5 12,7.5H15.75C15.949,7.5 16.14,7.421 16.28,7.28C16.421,7.14 16.5,6.949 16.5,6.75Z"
+      android:fillColor="#BABABA"/>
+</vector>
diff --git a/Week3/app/src/main/res/drawable/ic_setting.xml b/Week3/app/src/main/res/drawable/ic_setting.xml
new file mode 100644
index 0000000..a96868e
--- /dev/null
+++ b/Week3/app/src/main/res/drawable/ic_setting.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="40dp"
+    android:height="35dp"
+    android:viewportWidth="20"
+    android:viewportHeight="20">
+  <path
+      android:pathData="M18.06,10.013C18.064,9.878 18.064,9.743 18.06,9.608L19.459,7.86C19.532,7.768 19.583,7.661 19.607,7.546C19.631,7.431 19.628,7.312 19.598,7.198C19.368,6.336 19.025,5.509 18.578,4.737C18.519,4.636 18.438,4.55 18.34,4.486C18.242,4.423 18.131,4.382 18.015,4.369L15.791,4.121C15.699,4.024 15.605,3.93 15.51,3.84L15.248,1.611C15.234,1.495 15.194,1.383 15.13,1.286C15.065,1.188 14.979,1.107 14.878,1.048C14.107,0.601 13.279,0.259 12.417,0.03C12.304,-0 12.185,-0.003 12.07,0.021C11.955,0.045 11.847,0.096 11.755,0.169L10.013,1.56C9.878,1.56 9.743,1.56 9.608,1.56L7.86,0.164C7.768,0.091 7.661,0.04 7.546,0.016C7.431,-0.008 7.312,-0.005 7.198,0.025C6.336,0.255 5.509,0.598 4.737,1.045C4.636,1.104 4.55,1.185 4.486,1.283C4.423,1.381 4.382,1.492 4.369,1.608L4.121,3.835C4.024,3.929 3.93,4.022 3.84,4.117L1.611,4.373C1.495,4.386 1.383,4.427 1.286,4.491C1.188,4.555 1.107,4.641 1.048,4.742C0.601,5.514 0.259,6.341 0.029,7.203C-0.001,7.316 -0.004,7.436 0.02,7.55C0.044,7.665 0.095,7.773 0.169,7.865L1.56,9.608C1.56,9.743 1.56,9.878 1.56,10.013L0.164,11.76C0.091,11.852 0.04,11.96 0.016,12.075C-0.008,12.189 -0.005,12.309 0.025,12.422C0.255,13.284 0.598,14.111 1.045,14.883C1.104,14.984 1.185,15.07 1.283,15.134C1.381,15.198 1.492,15.238 1.608,15.251L3.832,15.499C3.925,15.596 4.019,15.69 4.113,15.78L4.373,18.01C4.386,18.125 4.427,18.237 4.491,18.334C4.555,18.432 4.641,18.514 4.742,18.572C5.514,19.019 6.341,19.361 7.203,19.591C7.316,19.621 7.436,19.624 7.55,19.6C7.665,19.576 7.773,19.525 7.865,19.451L9.608,18.06C9.743,18.064 9.878,18.064 10.013,18.06L11.76,19.459C11.852,19.532 11.96,19.583 12.075,19.607C12.189,19.631 12.309,19.628 12.422,19.598C13.284,19.368 14.111,19.025 14.883,18.578C14.984,18.519 15.07,18.438 15.134,18.34C15.198,18.242 15.238,18.131 15.251,18.015L15.499,15.791C15.596,15.699 15.69,15.605 15.78,15.51L18.01,15.248C18.125,15.234 18.237,15.194 18.334,15.13C18.432,15.065 18.514,14.979 18.572,14.878C19.019,14.106 19.361,13.279 19.591,12.417C19.621,12.304 19.624,12.185 19.6,12.07C19.576,11.955 19.525,11.847 19.451,11.755L18.06,10.013ZM9.81,13.56C9.068,13.56 8.343,13.34 7.727,12.928C7.11,12.516 6.629,11.93 6.346,11.245C6.062,10.56 5.987,9.806 6.132,9.079C6.277,8.351 6.634,7.683 7.158,7.158C7.683,6.634 8.351,6.277 9.079,6.132C9.806,5.987 10.56,6.062 11.245,6.346C11.93,6.629 12.516,7.11 12.928,7.727C13.34,8.343 13.56,9.068 13.56,9.81C13.56,10.805 13.165,11.759 12.462,12.462C11.759,13.165 10.805,13.56 9.81,13.56Z"
+      android:fillColor="#BABABA"/>
+</vector>
diff --git a/Week3/app/src/main/res/drawable/ic_user.png b/Week3/app/src/main/res/drawable/ic_user.png
new file mode 100644
index 0000000..9e1dad1
Binary files /dev/null and b/Week3/app/src/main/res/drawable/ic_user.png differ
diff --git a/Week3/app/src/main/res/drawable/ic_wish_heart.xml b/Week3/app/src/main/res/drawable/ic_wish_heart.xml
new file mode 100644
index 0000000..13508a9
--- /dev/null
+++ b/Week3/app/src/main/res/drawable/ic_wish_heart.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="18dp"
+    android:height="15dp"
+    android:viewportWidth="18"
+    android:viewportHeight="15">
+  <path
+      android:strokeWidth="1"
+      android:pathData="M8.626,14.25L15.607,7.169C16.339,6.437 16.751,5.443 16.751,4.407C16.751,3.371 16.339,2.377 15.607,1.644C14.874,0.912 13.88,0.5 12.844,0.5C11.808,0.5 10.814,0.912 10.082,1.644L8.626,3.001L7.169,1.644C6.437,0.912 5.443,0.5 4.407,0.5C3.371,0.5 2.377,0.912 1.644,1.644C0.912,2.377 0.5,3.371 0.5,4.407C0.5,5.443 0.912,6.437 1.644,7.169L8.626,14.25Z"
+      android:strokeLineJoin="round"
+      android:fillColor="#00000000"
+      android:strokeColor="#000000"
+      android:strokeLineCap="round"/>
+</vector>
diff --git a/Week3/app/src/main/res/drawable/ic_wish_heart_fill.xml b/Week3/app/src/main/res/drawable/ic_wish_heart_fill.xml
new file mode 100644
index 0000000..9d7cc1b
--- /dev/null
+++ b/Week3/app/src/main/res/drawable/ic_wish_heart_fill.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="18dp"
+    android:height="15dp"
+    android:viewportWidth="18"
+    android:viewportHeight="15">
+  <path
+      android:strokeWidth="1"
+      android:pathData="M8.626,14.25L15.607,7.169C16.339,6.437 16.751,5.443 16.751,4.407C16.751,3.371 16.339,2.377 15.607,1.644C14.874,0.912 13.88,0.5 12.844,0.5C11.808,0.5 10.814,0.912 10.082,1.644L8.626,3.001L7.169,1.644C6.437,0.912 5.443,0.5 4.407,0.5C3.371,0.5 2.377,0.912 1.644,1.644C0.912,2.377 0.5,3.371 0.5,4.407C0.5,5.443 0.912,6.437 1.644,7.169L8.626,14.25Z"
+      android:strokeLineJoin="round"
+      android:fillColor="#FF0000"
+      android:strokeColor="#000000"
+      android:strokeLineCap="round"/>
+</vector>
diff --git a/Week3/app/src/main/res/drawable/image1.png b/Week3/app/src/main/res/drawable/image1.png
new file mode 100644
index 0000000..286ad63
Binary files /dev/null and b/Week3/app/src/main/res/drawable/image1.png differ
diff --git a/Week3/app/src/main/res/drawable/image2.png b/Week3/app/src/main/res/drawable/image2.png
new file mode 100644
index 0000000..18a863f
Binary files /dev/null and b/Week3/app/src/main/res/drawable/image2.png differ
diff --git a/Week3/app/src/main/res/drawable/image3.png b/Week3/app/src/main/res/drawable/image3.png
new file mode 100644
index 0000000..22db145
Binary files /dev/null and b/Week3/app/src/main/res/drawable/image3.png differ
diff --git a/Week3/app/src/main/res/drawable/image4.png b/Week3/app/src/main/res/drawable/image4.png
new file mode 100644
index 0000000..c18ac74
Binary files /dev/null and b/Week3/app/src/main/res/drawable/image4.png differ
diff --git a/Week3/app/src/main/res/drawable/img_avatar.png b/Week3/app/src/main/res/drawable/img_avatar.png
new file mode 100644
index 0000000..5a8869e
Binary files /dev/null and b/Week3/app/src/main/res/drawable/img_avatar.png differ
diff --git a/Week3/app/src/main/res/drawable/img_bag_circle.png b/Week3/app/src/main/res/drawable/img_bag_circle.png
new file mode 100644
index 0000000..3b7c36b
Binary files /dev/null and b/Week3/app/src/main/res/drawable/img_bag_circle.png differ
diff --git a/Week3/app/src/main/res/drawable/img_home.png b/Week3/app/src/main/res/drawable/img_home.png
new file mode 100644
index 0000000..f42aa9d
Binary files /dev/null and b/Week3/app/src/main/res/drawable/img_home.png differ
diff --git a/Week3/app/src/main/res/drawable/img_nemo.png b/Week3/app/src/main/res/drawable/img_nemo.png
new file mode 100644
index 0000000..62dbd5f
Binary files /dev/null and b/Week3/app/src/main/res/drawable/img_nemo.png differ
diff --git a/Week3/app/src/main/res/layout/activity_main.xml b/Week3/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..8ef1a34
--- /dev/null
+++ b/Week3/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,35 @@
+<?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:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:context=".MainActivity">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/nav_host_fragment"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:defaultNavHost="true"
+        app:navGraph="@navigation/nav_graph"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/bottomNav"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/bottomNav"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:background="@color/white"
+        app:menu="@menu/bottom_nav_menu"
+        app:labelVisibilityMode="labeled"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_buy.xml b/Week3/app/src/main/res/layout/fragment_buy.xml
new file mode 100644
index 0000000..1c19b9a
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_buy.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@color/white">
+
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/tabLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        app:tabIndicatorColor="@android:color/black"
+        app:tabIndicatorHeight="3dp"
+        app:tabSelectedTextColor="@android:color/black"
+        app:tabTextColor="@android:color/darker_gray"
+        app:tabTextAppearance="@style/CustomTabTextAppearance"
+        app:tabRippleColor="@null"/>
+
+    <FrameLayout
+        android:id="@+id/tabContent"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_buy_all.xml b/Week3/app/src/main/res/layout/fragment_buy_all.xml
new file mode 100644
index 0000000..f028f16
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_buy_all.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerGrid"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_buy_shoes.xml b/Week3/app/src/main/res/layout/fragment_buy_shoes.xml
new file mode 100644
index 0000000..3310555
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_buy_shoes.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="탭3"
+        android:gravity="center"/>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_buy_tops.xml b/Week3/app/src/main/res/layout/fragment_buy_tops.xml
new file mode 100644
index 0000000..9f0a959
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_buy_tops.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="탭2"
+        android:gravity="center"/>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_home.xml b/Week3/app/src/main/res/layout/fragment_home.xml
new file mode 100644
index 0000000..b97922f
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_home.xml
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white">
+
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="true">
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:padding="16dp">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/Title"
+                android:textSize="40sp"
+                android:textStyle="bold"
+                android:paddingTop="24dp"
+                android:paddingStart="20dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/date"
+                android:textSize="20sp"
+                android:paddingStart="20dp"
+                android:paddingBottom="30dp"/>
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:src="@drawable/img_home"
+                android:layout_gravity="center"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/newEn"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                android:paddingStart="20dp"
+                android:paddingTop="30dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/newKr"
+                android:textSize="30sp"
+                android:paddingStart="20dp" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/recyclerView_home"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="20dp"/>
+
+        </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_profile.xml b/Week3/app/src/main/res/layout/fragment_profile.xml
new file mode 100644
index 0000000..8135611
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_profile.xml
@@ -0,0 +1,190 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:background="@color/white">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <ImageView
+            android:id="@+id/imgProfile"
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            android:layout_gravity="center"
+            android:src="@drawable/img_avatar"
+            android:scaleType="centerCrop"
+            android:background="@drawable/bg_circle"
+            android:contentDescription="@string/description"/>
+
+        <TextView
+            android:id="@+id/nickname"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/nickname"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:layout_gravity="center"
+            android:layout_marginTop="10dp" />
+
+        <Button
+            android:id="@+id/edit_profile"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/edit_profile"
+            android:layout_gravity="center"
+            android:layout_marginTop="10dp"
+            android:backgroundTint="@color/black"/>
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginTop="20dp">
+
+            <TextView
+                android:id="@+id/btnorder"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:gravity="top|center_horizontal"
+                android:paddingTop="6dp"
+                android:clickable="true"
+                android:focusable="true"
+
+                android:text="@string/order"
+                android:textSize="15sp"
+
+                app:drawableTopCompat="@drawable/ic_order"
+                android:drawablePadding="2dp" />
+
+            <TextView
+                android:id="@+id/btnpass"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:gravity="top|center_horizontal"
+                android:paddingTop="6dp"
+                android:clickable="true"
+                android:focusable="true"
+
+                android:text="@string/pass"
+                android:textSize="15sp"
+
+                app:drawableTopCompat="@drawable/ic_pass"
+                android:drawablePadding="2dp" />
+
+            <TextView
+                android:id="@+id/btnevent"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:gravity="top|center_horizontal"
+                android:paddingTop="6dp"
+                android:clickable="true"
+                android:focusable="true"
+
+                android:text="@string/event"
+                android:textSize="15sp"
+
+                app:drawableTopCompat="@drawable/ic_event"
+                android:drawablePadding="2dp" />
+
+            <TextView
+                android:id="@+id/btnsetting"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:gravity="top|center_horizontal"
+                android:paddingTop="6dp"
+                android:clickable="true"
+                android:focusable="true"
+
+                android:text="@string/setting"
+                android:textSize="15sp"
+
+                app:drawableTopCompat="@drawable/ic_setting"
+                android:drawablePadding="2dp" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/membership"
+            android:layout_width="match_parent"
+            android:layout_height="80dp"
+            android:layout_marginTop="15dp"
+            android:background="#EEEEEE"
+            android:padding="16dp"
+            android:orientation="horizontal"
+            android:gravity="center_vertical">
+
+            <LinearLayout
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:orientation="vertical">
+
+                <TextView
+                    android:text="@string/membership"
+                    android:textStyle="bold"
+                    android:textSize="20sp"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"/>
+
+                <TextView
+                    android:text="@string/hoeMany"
+                    android:textSize="12sp"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"/>
+            </LinearLayout>
+
+            <TextView
+                android:text="@string/arrow"
+                android:textSize="30sp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:orientation="horizontal">
+
+            <TextView
+                android:text="@string/following"
+                android:layout_weight="1"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"/>
+
+            <TextView
+                android:id="@+id/following"
+                android:text="@string/edit"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"/>
+        </LinearLayout>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/rvFollowing"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:orientation="horizontal"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:text="@string/registerDate"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:background="@color/light_gray"/>
+
+    </LinearLayout>
+
+</ScrollView>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_shoppingcart.xml b/Week3/app/src/main/res/layout/fragment_shoppingcart.xml
new file mode 100644
index 0000000..cf97e74
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_shoppingcart.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@drawable/img_bag_circle"
+            android:layout_gravity="center"
+            android:paddingTop="180dp"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/cart_empty"
+            android:textSize="15sp"
+            android:layout_gravity="center"
+            android:paddingTop="20dp"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/cart_guide"
+            android:textSize="15sp"
+            android:layout_gravity="center"/>
+
+    </LinearLayout>
+
+    <Button
+        android:id="@+id/buy_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/buy_button"
+        android:textSize="20sp"
+        android:backgroundTint="@color/black"
+        android:layout_gravity="bottom"
+        android:layout_margin="16dp"/>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/fragment_wishlist.xml b/Week3/app/src/main/res/layout/fragment_wishlist.xml
new file mode 100644
index 0000000..3947fb5
--- /dev/null
+++ b/Week3/app/src/main/res/layout/fragment_wishlist.xml
@@ -0,0 +1,22 @@
+<?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="match_parent"
+    android:orientation="vertical"
+    android:background="@color/white">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/WishList"
+        android:textSize="40sp"
+        android:textStyle="bold"
+        android:paddingTop="24dp"
+        android:paddingStart="20dp"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerWish"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/item_following.xml b/Week3/app/src/main/res/layout/item_following.xml
new file mode 100644
index 0000000..15f5d3e
--- /dev/null
+++ b/Week3/app/src/main/res/layout/item_following.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="8dp">
+
+    <ImageView
+        android:id="@+id/ivFollowingProfile"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:scaleType="centerCrop"
+        android:background="@drawable/bg_circle"
+        android:clipToOutline="true" /> <TextView
+        android:id="@+id/tvFollowingName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:layout_marginTop="4dp"
+        android:textSize="12sp"
+        android:text="Name" />
+</LinearLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/item_grid_product.xml b/Week3/app/src/main/res/layout/item_grid_product.xml
new file mode 100644
index 0000000..063d797
--- /dev/null
+++ b/Week3/app/src/main/res/layout/item_grid_product.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="200dp"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="8dp">
+
+    <ImageView
+        android:id="@+id/imgProduct"
+        android:layout_width="180dp"
+        android:layout_height="200dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_home"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:paddingTop="6dp">
+
+    <TextView
+        android:id="@+id/txtName"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="상품 이름"
+        android:textSize="20sp"
+        android:textStyle="bold"
+        android:ellipsize="end"
+        android:paddingTop="6dp"/>
+
+        <ImageView
+            android:id="@+id/btnWish"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:src="@drawable/ic_wish_heart"
+            android:contentDescription="찜하기 버튼"
+            android:layout_marginStart="4dp"/>
+    </LinearLayout>
+
+    <TextView
+        android:id="@+id/txtDesc"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="상품 설명"
+        android:textSize="14sp"/>
+
+    <TextView
+        android:id="@+id/txtColor"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="색상 갯수"
+        android:textSize="13sp"/>
+
+    <TextView
+        android:id="@+id/txtPrice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="₩10,000"
+        android:textSize="15sp"
+        android:textStyle="bold"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/item_product_home.xml b/Week3/app/src/main/res/layout/item_product_home.xml
new file mode 100644
index 0000000..b88b273
--- /dev/null
+++ b/Week3/app/src/main/res/layout/item_product_home.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="370dp"
+    android:orientation="vertical"
+    android:padding="8dp">
+
+    <ImageView
+        android:id="@+id/itemImage"
+        android:layout_width="280dp"
+        android:layout_height="280dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_home"/>
+
+    <TextView
+        android:id="@+id/itemTitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="상품 이름"
+        android:textSize="16sp"
+        android:paddingTop="8dp"/>
+
+    <TextView
+        android:id="@+id/itemNo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="상품 번호"
+        android:textSize="14sp"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/layout/item_wish_product.xml b/Week3/app/src/main/res/layout/item_wish_product.xml
new file mode 100644
index 0000000..e04855e
--- /dev/null
+++ b/Week3/app/src/main/res/layout/item_wish_product.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="200dp"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="8dp">
+
+    <ImageView
+        android:id="@+id/imgProduct"
+        android:layout_width="180dp"
+        android:layout_height="200dp"
+        android:scaleType="centerCrop"
+        android:src="@drawable/img_home"/>
+
+    <TextView
+        android:id="@+id/txtName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="상품 이름"
+        android:textSize="20sp"
+        android:textStyle="bold"
+        android:paddingTop="6dp"/>
+
+    <TextView
+        android:id="@+id/txtDesc"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="상품 설명"
+        android:textSize="14sp"/>
+
+    <TextView
+        android:id="@+id/txtColor"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="색상 갯수"
+        android:textSize="13sp"/>
+
+    <TextView
+        android:id="@+id/txtPrice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="₩10,000"
+        android:textSize="15sp"
+        android:textStyle="bold"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/menu/bottom_nav_menu.xml b/Week3/app/src/main/res/menu/bottom_nav_menu.xml
new file mode 100644
index 0000000..1254aeb
--- /dev/null
+++ b/Week3/app/src/main/res/menu/bottom_nav_menu.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item
+        android:id="@+id/btnHome"
+        android:icon="@drawable/ic_house_simple"
+        android:title="@string/btnHome"/>
+
+    <item
+        android:id="@+id/btnBuy"
+        android:icon="@drawable/ic_list_magnifying_glass"
+        android:title="@string/btnBuy"/>
+
+    <item
+        android:id="@+id/btnWishlist"
+        android:icon="@drawable/ic_heart_straight"
+        android:title="@string/btnWishlist"/>
+
+    <item
+        android:id="@+id/btnShoppingcart"
+        android:icon="@drawable/ic_bag_simple"
+        android:title="@string/btnShoppingcart"/>
+
+    <item
+        android:id="@+id/btnProfile"
+        android:icon="@drawable/ic_user"
+        android:title="@string/btnProfile"/>
+
+</menu>
\ No newline at end of file
diff --git a/Week1/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/Week3/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
similarity index 100%
rename from Week1/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
rename to Week3/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
diff --git a/Week1/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/Week3/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
similarity index 100%
rename from Week1/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
rename to Week3/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
diff --git a/Week1/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/Week3/app/src/main/res/mipmap-hdpi/ic_launcher.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-hdpi/ic_launcher.webp
rename to Week3/app/src/main/res/mipmap-hdpi/ic_launcher.webp
diff --git a/Week1/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/Week3/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
rename to Week3/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
diff --git a/Week1/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/Week3/app/src/main/res/mipmap-mdpi/ic_launcher.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-mdpi/ic_launcher.webp
rename to Week3/app/src/main/res/mipmap-mdpi/ic_launcher.webp
diff --git a/Week1/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/Week3/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
rename to Week3/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
diff --git a/Week1/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/Week3/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
rename to Week3/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
diff --git a/Week1/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/Week3/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
rename to Week3/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
diff --git a/Week1/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp b/Week3/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
rename to Week3/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
diff --git a/Week1/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp b/Week3/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
rename to Week3/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
diff --git a/Week1/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/Week3/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
rename to Week3/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
diff --git a/Week1/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/Week3/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
similarity index 100%
rename from Week1/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
rename to Week3/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
diff --git a/Week3/app/src/main/res/navigation/nav_graph.xml b/Week3/app/src/main/res/navigation/nav_graph.xml
new file mode 100644
index 0000000..3883b80
--- /dev/null
+++ b/Week3/app/src/main/res/navigation/nav_graph.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation 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/nav_graph"
+    app:startDestination="@id/btnHome">
+
+    <fragment
+        android:id="@+id/btnHome"
+        android:name="com.example.week3.HomeFragment"
+        tools:layout="@layout/fragment_home" />
+
+    <fragment
+        android:id="@+id/btnBuy"
+        android:name="com.example.week3.BuyFragment"
+        tools:layout="@layout/fragment_buy" />
+
+    <fragment
+        android:id="@+id/btnWishlist"
+        android:name="com.example.week3.WishlistFragment"
+        tools:layout="@layout/fragment_wishlist" />
+
+    <fragment
+        android:id="@+id/btnShoppingcart"
+        android:name="com.example.week3.ShoppingcartFragment"
+        tools:layout="@layout/fragment_shoppingcart" />
+
+    <fragment
+        android:id="@+id/btnProfile"
+        android:name="com.example.week3.ProfileFragment"
+        tools:layout="@layout/fragment_profile" />
+
+</navigation>
\ No newline at end of file
diff --git a/Week1/app/src/main/res/values-night/themes.xml b/Week3/app/src/main/res/values-night/themes.xml
similarity index 80%
rename from Week1/app/src/main/res/values-night/themes.xml
rename to Week3/app/src/main/res/values-night/themes.xml
index 745d245..0cf59a3 100644
--- a/Week1/app/src/main/res/values-night/themes.xml
+++ b/Week3/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.Week1" parent="Theme.Material3.DayNight.NoActionBar">
+    <style name="Base.Theme.Week3" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Customize your dark theme here. -->
         <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
     </style>
diff --git a/Week1/app/src/main/res/values/colors.xml b/Week3/app/src/main/res/values/colors.xml
similarity index 75%
rename from Week1/app/src/main/res/values/colors.xml
rename to Week3/app/src/main/res/values/colors.xml
index c8524cd..b427f3b 100644
--- a/Week1/app/src/main/res/values/colors.xml
+++ b/Week3/app/src/main/res/values/colors.xml
@@ -2,4 +2,5 @@
 <resources>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+    <color name="light_gray">#FFEEEEEE</color>
 </resources>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/values/strings.xml b/Week3/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..bc54e9c
--- /dev/null
+++ b/Week3/app/src/main/res/values/strings.xml
@@ -0,0 +1,34 @@
+<resources>
+    <string name="app_name">Week3</string>
+    <string name="btnHome">홈</string>
+    <string name="btnBuy">구매하기</string>
+    <string name="btnWishlist">위시리스트</string>
+    <string name="btnShoppingcart">장바구니</string>
+    <string name="btnProfile">프로필</string>
+    <string name="Title">Discover</string>
+    <string name="date">9월 4일 목요일</string>
+    <string name="newEn">What is new</string>
+    <string name="newKr">나이키 최신 상품</string>
+    <string name="all">전체</string>
+    <string name="Shirts">Tops &amp; T-Shirts</string>
+    <string name="Shoes">Shoes</string>
+    <string name="WishList">위시리스트</string>
+    <string name="cart_empty">장바구니가 비어있습니다.</string>
+    <string name="cart_guide">제품을 추가하면 여기에 표시됩니다.</string>
+    <string name="buy_button">주문하기</string>
+
+    <string name="nickname">닉네임</string>"
+    <string name="edit_profile">프로필 수정</string>
+    <string name="order">주문</string>
+    <string name="pass">패스</string>
+    <string name="event">이벤트</string>
+    <string name="setting">설정</string>
+    <string name="membership">나이키 멤버 혜택</string>
+    <string name="hoeMany">0개 사용 가능</string>
+    <string name="arrow">></string>
+    <string name="following">팔로잉 (5)</string>
+    <string name="edit">편집</string>
+    <string name="registerDate">회원 가입일: 2024.01.01</string>
+    <string name="description">설명</string>
+
+</resources>
\ No newline at end of file
diff --git a/Week3/app/src/main/res/values/themes.xml b/Week3/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..400c4c9
--- /dev/null
+++ b/Week3/app/src/main/res/values/themes.xml
@@ -0,0 +1,14 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.Week3" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="CustomTabTextAppearance" parent="TextAppearance.Design.Tab">
+        <item name="android:textAllCaps">false</item>
+        <item name="android:textSize">16sp</item>
+    </style>
+
+    <style name="Theme.Week3" parent="Base.Theme.Week3" />
+</resources>
\ No newline at end of file
diff --git a/Week1/app/src/main/res/xml/backup_rules.xml b/Week3/app/src/main/res/xml/backup_rules.xml
similarity index 100%
rename from Week1/app/src/main/res/xml/backup_rules.xml
rename to Week3/app/src/main/res/xml/backup_rules.xml
diff --git a/Week1/app/src/main/res/xml/data_extraction_rules.xml b/Week3/app/src/main/res/xml/data_extraction_rules.xml
similarity index 100%
rename from Week1/app/src/main/res/xml/data_extraction_rules.xml
rename to Week3/app/src/main/res/xml/data_extraction_rules.xml
diff --git a/Week1/app/src/test/java/com/example/week1/ExampleUnitTest.kt b/Week3/app/src/test/java/com/example/week3/ExampleUnitTest.kt
similarity index 92%
rename from Week1/app/src/test/java/com/example/week1/ExampleUnitTest.kt
rename to Week3/app/src/test/java/com/example/week3/ExampleUnitTest.kt
index 393e6b9..b054bfc 100644
--- a/Week1/app/src/test/java/com/example/week1/ExampleUnitTest.kt
+++ b/Week3/app/src/test/java/com/example/week3/ExampleUnitTest.kt
@@ -1,4 +1,4 @@
-package com.example.week1
+package com.example.week3
 
 import org.junit.Test
 
diff --git a/Week1/build.gradle.kts b/Week3/build.gradle.kts
similarity index 100%
rename from Week1/build.gradle.kts
rename to Week3/build.gradle.kts
diff --git a/Week1/gradle.properties b/Week3/gradle.properties
similarity index 100%
rename from Week1/gradle.properties
rename to Week3/gradle.properties
diff --git a/Week1/gradle/gradle-daemon-jvm.properties b/Week3/gradle/gradle-daemon-jvm.properties
similarity index 100%
rename from Week1/gradle/gradle-daemon-jvm.properties
rename to Week3/gradle/gradle-daemon-jvm.properties
diff --git a/Week1/gradle/libs.versions.toml b/Week3/gradle/libs.versions.toml
similarity index 80%
rename from Week1/gradle/libs.versions.toml
rename to Week3/gradle/libs.versions.toml
index 5dba66a..6c91871 100644
--- a/Week1/gradle/libs.versions.toml
+++ b/Week3/gradle/libs.versions.toml
@@ -8,6 +8,7 @@ appcompat = "1.7.1"
 material = "1.13.0"
 activity = "1.13.0"
 constraintlayout = "2.2.1"
+navigation = "2.8.5"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -18,6 +19,8 @@ androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version
 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" }
+androidx-navigation-fragment-ktx = { group = "androidx.navigation", name = "navigation-fragment-ktx", version.ref = "navigation" }
+androidx-navigation-ui-ktx = { group = "androidx.navigation", name = "navigation-ui-ktx", version.ref = "navigation" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
diff --git a/Week1/gradle/wrapper/gradle-wrapper.jar b/Week3/gradle/wrapper/gradle-wrapper.jar
similarity index 100%
rename from Week1/gradle/wrapper/gradle-wrapper.jar
rename to Week3/gradle/wrapper/gradle-wrapper.jar
diff --git a/Week1/gradle/wrapper/gradle-wrapper.properties b/Week3/gradle/wrapper/gradle-wrapper.properties
similarity index 91%
rename from Week1/gradle/wrapper/gradle-wrapper.properties
rename to Week3/gradle/wrapper/gradle-wrapper.properties
index 24b983f..8e70405 100644
--- a/Week1/gradle/wrapper/gradle-wrapper.properties
+++ b/Week3/gradle/wrapper/gradle-wrapper.properties
@@ -1,4 +1,4 @@
-#Wed Mar 25 15:53:59 KST 2026
+#Tue Mar 31 22:13:36 KST 2026
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 distributionSha256Sum=b266d5ff6b90eada6dc3b20cb090e3731302e553a27c5d3e4df1f0d76beaff06
diff --git a/Week1/gradlew b/Week3/gradlew
similarity index 100%
rename from Week1/gradlew
rename to Week3/gradlew
diff --git a/Week1/gradlew.bat b/Week3/gradlew.bat
similarity index 100%
rename from Week1/gradlew.bat
rename to Week3/gradlew.bat
diff --git a/Week1/settings.gradle.kts b/Week3/settings.gradle.kts
similarity index 95%
rename from Week1/settings.gradle.kts
rename to Week3/settings.gradle.kts
index 1534841..eddcab6 100644
--- a/Week1/settings.gradle.kts
+++ b/Week3/settings.gradle.kts
@@ -22,6 +22,5 @@ dependencyResolutionManagement {
     }
 }
 
-rootProject.name = "Week1"
+rootProject.name = "Week3"
 include(":app")
- 
\ No newline at end of file
diff --git a/pull_request_template.md b/pull_request_template.md
index aad16f8..d1a8d89 100644
--- a/pull_request_template.md
+++ b/pull_request_template.md
@@ -1,5 +1,5 @@
 ## 📌 PR 제목
-<!-- ex) [feat/#00] 로그인 기능 구현 -->
+<!-- ex) feat:4주차 미션_도리 -->
 
 ## 🔗 관련 이슈
 Closes #이슈번호