diff --git a/modern-android-compose/section01/.gitignore b/modern-android-compose/section01/.gitignore
new file mode 100644
index 0000000..876d12e
--- /dev/null
+++ b/modern-android-compose/section01/.gitignore
@@ -0,0 +1,277 @@
+# Created by https://www.toptal.com/developers/gitignore/api/android,androidstudio,kotlin,java,macos,windows
+# Edit at https://www.toptal.com/developers/gitignore?templates=android,androidstudio,kotlin,java,macos,windows
+
+### Android ###
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log/OS Files
+*.log
+
+# Android Studio generated files and folders
+captures/
+.externalNativeBuild/
+.cxx/
+*.apk
+output.json
+
+# Android Studio
+/*/build/
+/*/local.properties
+/*/out
+/*/*/build
+/*/*/production
+*.ipr
+*~
+*.swp
+
+# IntelliJ
+*.iml
+.idea/
+misc.xml
+deploymentTargetDropDown.xml
+render.experimental.xml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+
+# Keystore files
+*.jks
+*.keystore
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof
+
+### Android Patch ###
+gen-external-apklibs
+
+# Replacement of .externalNativeBuild directories introduced
+# with Android Studio 3.5.
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*
+
+### Kotlin ###
+# Compiled class file
+
+# Log file
+
+# BlueJ files
+
+# Mobile Tools for Java (J2ME)
+
+# Package Files #
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### macOS Patch ###
+# iCloud generated files
+*.icloud
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+### AndroidStudio ###
+# Covers files to be ignored for android development using Android Studio.
+
+# Built application files
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+
+# Generated files
+bin/
+gen/
+out/
+
+# Gradle files
+.gradle
+
+# Signing files
+.signing/
+
+# Local configuration file (sdk path, etc)
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+
+# Android Studio
+/*/build/
+/*/local.properties
+/*/out
+/*/*/build
+/*/*/production
+.navigation/
+*.ipr
+*~
+*.swp
+
+# Keystore files
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Android Patch
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# NDK
+obj/
+
+# IntelliJ IDEA
+*.iws
+/out/
+
+# User-specific configurations
+.idea/caches/
+.idea/libraries/
+.idea/shelf/
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/.name
+.idea/compiler.xml
+.idea/copyright/profiles_settings.xml
+.idea/encodings.xml
+.idea/misc.xml
+.idea/modules.xml
+.idea/scopes/scope_settings.xml
+.idea/dictionaries
+.idea/vcs.xml
+.idea/jsLibraryMappings.xml
+.idea/datasources.xml
+.idea/dataSources.ids
+.idea/sqlDataSources.xml
+.idea/dynamic.xml
+.idea/uiDesigner.xml
+.idea/assetWizardSettings.xml
+.idea/gradle.xml
+.idea/jarRepositories.xml
+.idea/navEditor.xml
+
+# Legacy Eclipse project files
+.classpath
+.project
+.cproject
+.settings/
+
+# Mobile Tools for Java (J2ME)
+
+# Package Files #
+
+# virtual machine crash logs (Reference: http://www.java.com/en/download/help/error_hotspot.xml)
+
+## Plugin-specific files:
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Mongo Explorer plugin
+.idea/mongoSettings.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+### AndroidStudio Patch ###
+
+!/gradle/wrapper/gradle-wrapper.jar
+
+# End of https://www.toptal.com/developers/gitignore/api/android,androidstudio,kotlin,java,macos,windows
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/.gitignore b/modern-android-compose/section01/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/modern-android-compose/section01/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/build.gradle.kts b/modern-android-compose/section01/app/build.gradle.kts
new file mode 100644
index 0000000..bb0a6e6
--- /dev/null
+++ b/modern-android-compose/section01/app/build.gradle.kts
@@ -0,0 +1,69 @@
+plugins {
+ id("com.android.application")
+ id("org.jetbrains.kotlin.android")
+}
+
+android {
+ namespace = "com.ocomwan.myapplication"
+ compileSdk = 33
+
+ defaultConfig {
+ applicationId = "com.ocomwan.myapplication"
+ minSdk = 28
+ targetSdk = 33
+ versionCode = 1
+ versionName = "1.0"
+
+ testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+ vectorDrawables {
+ useSupportLibrary = true
+ }
+ }
+
+ buildTypes {
+ release {
+ isMinifyEnabled = false
+ proguardFiles(
+ getDefaultProguardFile("proguard-android-optimize.txt"),
+ "proguard-rules.pro"
+ )
+ }
+ }
+ compileOptions {
+ sourceCompatibility = JavaVersion.VERSION_1_8
+ targetCompatibility = JavaVersion.VERSION_1_8
+ }
+ kotlinOptions {
+ jvmTarget = "1.8"
+ }
+ buildFeatures {
+ compose = true
+ }
+ composeOptions {
+ kotlinCompilerExtensionVersion = "1.4.3"
+ }
+ packaging {
+ resources {
+ excludes += "/META-INF/{AL2.0,LGPL2.1}"
+ }
+ }
+}
+
+dependencies {
+
+ implementation("androidx.core:core-ktx:1.9.0")
+ implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1")
+ implementation("androidx.activity:activity-compose:1.7.0")
+ implementation(platform("androidx.compose:compose-bom:2023.03.00"))
+ implementation("androidx.compose.ui:ui")
+ implementation("androidx.compose.ui:ui-graphics")
+ implementation("androidx.compose.ui:ui-tooling-preview")
+ implementation("androidx.compose.material3:material3")
+ testImplementation("junit:junit:4.13.2")
+ androidTestImplementation("androidx.test.ext:junit:1.1.5")
+ androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+ androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
+ androidTestImplementation("androidx.compose.ui:ui-test-junit4")
+ debugImplementation("androidx.compose.ui:ui-tooling")
+ debugImplementation("androidx.compose.ui:ui-test-manifest")
+}
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/proguard-rules.pro b/modern-android-compose/section01/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/modern-android-compose/section01/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/src/androidTest/java/com/ocomwan/myapplication/ExampleInstrumentedTest.kt b/modern-android-compose/section01/app/src/androidTest/java/com/ocomwan/myapplication/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..5c58761
--- /dev/null
+++ b/modern-android-compose/section01/app/src/androidTest/java/com/ocomwan/myapplication/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.ocomwan.myapplication
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+ @Test
+ fun useAppContext() {
+ // Context of the app under test.
+ val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+ assertEquals("com.ocomwan.myapplication", appContext.packageName)
+ }
+}
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/src/main/AndroidManifest.xml b/modern-android-compose/section01/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..e013846
--- /dev/null
+++ b/modern-android-compose/section01/app/src/main/AndroidManifest.xml
@@ -0,0 +1,28 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/MainActivity.kt b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/MainActivity.kt
new file mode 100644
index 0000000..1aac3a4
--- /dev/null
+++ b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/MainActivity.kt
@@ -0,0 +1,46 @@
+package com.ocomwan.myapplication
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import com.ocomwan.myapplication.ui.theme.MyApplicationTheme
+
+class MainActivity : ComponentActivity() {
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContent {
+ MyApplicationTheme {
+ // A surface container using the 'background' color from the theme
+ Surface(
+ modifier = Modifier.fillMaxSize(),
+ color = MaterialTheme.colorScheme.background,
+ ) {
+ Greeting("Android")
+ }
+ }
+ }
+ }
+}
+
+@Composable
+fun Greeting(name: String, modifier: Modifier = Modifier) {
+ Text(
+ text = "Hello $name!",
+ modifier = modifier,
+ )
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+ MyApplicationTheme {
+ Greeting("Android")
+ }
+}
diff --git a/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Color.kt b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Color.kt
new file mode 100644
index 0000000..4c54da7
--- /dev/null
+++ b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Color.kt
@@ -0,0 +1,11 @@
+package com.ocomwan.myapplication.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Theme.kt b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Theme.kt
new file mode 100644
index 0000000..aa6d862
--- /dev/null
+++ b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Theme.kt
@@ -0,0 +1,70 @@
+package com.ocomwan.myapplication.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
+import androidx.core.view.WindowCompat
+
+private val DarkColorScheme = darkColorScheme(
+ primary = Purple80,
+ secondary = PurpleGrey80,
+ tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+ primary = Purple40,
+ secondary = PurpleGrey40,
+ tertiary = Pink40
+
+ /* Other default colors to override
+ background = Color(0xFFFFFBFE),
+ surface = Color(0xFFFFFBFE),
+ onPrimary = Color.White,
+ onSecondary = Color.White,
+ onTertiary = Color.White,
+ onBackground = Color(0xFF1C1B1F),
+ onSurface = Color(0xFF1C1B1F),
+ */
+)
+
+@Composable
+fun MyApplicationTheme(
+ darkTheme: Boolean = isSystemInDarkTheme(),
+ // Dynamic color is available on Android 12+
+ dynamicColor: Boolean = true,
+ content: @Composable () -> Unit
+) {
+ val colorScheme = when {
+ dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+ val context = LocalContext.current
+ if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+ }
+
+ darkTheme -> DarkColorScheme
+ else -> LightColorScheme
+ }
+ val view = LocalView.current
+ if (!view.isInEditMode) {
+ SideEffect {
+ val window = (view.context as Activity).window
+ window.statusBarColor = colorScheme.primary.toArgb()
+ WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme
+ }
+ }
+
+ MaterialTheme(
+ colorScheme = colorScheme,
+ typography = Typography,
+ content = content
+ )
+}
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Type.kt b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Type.kt
new file mode 100644
index 0000000..395b614
--- /dev/null
+++ b/modern-android-compose/section01/app/src/main/java/com/ocomwan/myapplication/ui/theme/Type.kt
@@ -0,0 +1,34 @@
+package com.ocomwan.myapplication.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+ bodyLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 16.sp,
+ lineHeight = 24.sp,
+ letterSpacing = 0.5.sp
+ )
+ /* Other default text styles to override
+ titleLarge = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Normal,
+ fontSize = 22.sp,
+ lineHeight = 28.sp,
+ letterSpacing = 0.sp
+ ),
+ labelSmall = TextStyle(
+ fontFamily = FontFamily.Default,
+ fontWeight = FontWeight.Medium,
+ fontSize = 11.sp,
+ lineHeight = 16.sp,
+ letterSpacing = 0.5.sp
+ )
+ */
+)
\ No newline at end of file
diff --git a/modern-android-compose/section01/app/src/main/res/drawable/ic_launcher_background.xml b/modern-android-compose/section01/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/modern-android-compose/section01/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/modern-android-compose/section01/app/src/main/res/drawable/ic_launcher_foreground.xml b/modern-android-compose/section01/app/src/main/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/modern-android-compose/section01/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+