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Kaushal-VasavaKaushal-Vasava
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Add Composable function for greeting
- Info of composable function
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‎.gitignore‎

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties
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gradlew
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.idea
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gradlew.bat
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gradle
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# Add any directories, files, or patterns you don't want to be tracked by version control
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# Built application files
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*.apk
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*.ap_
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*.aab
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output-metadata.json
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# Files for the ART/Dalvik VM
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*.dex
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# Java class files
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*.class
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# Generated files
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bin/
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gen/
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out/
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# Gradle files
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.gradle/
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build/
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# Proguard folder generated by Eclipse
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proguard/
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# Log Files
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*.log
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# Android Studio Navigation editor temp files
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.navigation/
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# Android Studio captures folder
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captures/
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.idea/
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# Keystore files
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# Uncomment the following line if you do not want to check your keystore files in.
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#*.jks
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# Freeline
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freeline.py
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freeline/
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freeline_project_description.json
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# fastlane
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fastlane/report.xml
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fastlane/Preview.html
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fastlane/screenshots
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fastlane/test_output
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fastlane/readme.md
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# Proguard related files
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seeds.txt
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usage.txt
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mapping.txt
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config.txt
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# Temp stacktrace file
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stacktrace.txt
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#amplify
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amplify/\#current-cloud-backend
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amplify/.config/local-*
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amplify/mock-data
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amplify/backend/amplify-meta.json
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amplify/backend/awscloudformation
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dist/
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node_modules/
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aws-exports.js
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awsconfiguration.json
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amplifyconfiguration.json
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amplify-build-config.json
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amplify-gradle-config.json
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amplifytools.xcconfig
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‎app/.gitignore‎

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/build

‎app/build.gradle‎

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plugins {
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id 'com.android.application'
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id 'org.jetbrains.kotlin.android'
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}
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android {
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namespace 'com.lahsuak.apps.jetpackcomposebasic'
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compileSdk 33
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defaultConfig {
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applicationId "com.lahsuak.apps.jetpackcomposebasic"
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minSdk 23
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targetSdk 33
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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vectorDrawables {
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useSupportLibrary true
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}
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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buildFeatures {
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compose true
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}
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composeOptions {
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kotlinCompilerExtensionVersion '1.1.1'
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}
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packagingOptions {
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resources {
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excludes += '/META-INF/{AL2.0,LGPL2.1}'
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}
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}
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}
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dependencies {
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implementation 'androidx.core:core-ktx:1.9.0'
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implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.5.1'
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implementation 'androidx.activity:activity-compose:1.6.1'
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implementation "androidx.compose.ui:ui:$compose_version"
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implementation "androidx.compose.ui:ui-tooling-preview:$compose_version"
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implementation 'androidx.compose.material3:material3:1.1.0-alpha03'
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testImplementation 'junit:junit:4.13.2'
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androidTestImplementation 'androidx.test.ext:junit:1.1.4'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.0'
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androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version"
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debugImplementation "androidx.compose.ui:ui-tooling:$compose_version"
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debugImplementation "androidx.compose.ui:ui-test-manifest:$compose_version"
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}

‎app/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/com/lahsuak/apps/jetpackcomposebasic/ExampleInstrumentedTest.kt‎

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package com.lahsuak.apps.jetpackcomposebasic
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.lahsuak.apps.jetpackcomposebasic", appContext.packageName)
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}
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}

‎app/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.JetPackComposeBasic"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:label="@string/app_name"
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android:theme="@style/Theme.JetPackComposeBasic">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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<meta-data
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android:name="android.app.lib_name"
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android:value="" />
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</activity>
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</application>
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</manifest>

‎app/src/main/java/com/lahsuak/apps/jetpackcomposebasic/MainActivity.kt‎

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package com.lahsuak.apps.jetpackcomposebasic
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import android.os.Bundle
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.Surface
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.tooling.preview.Preview
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import com.lahsuak.apps.jetpackcomposebasic.ui.theme.JetPackComposeBasicTheme
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class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContent {
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JetPackComposeBasicTheme {
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// A surface container using the 'background' color from the theme
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Surface(
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modifier = Modifier.fillMaxSize(),
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color = MaterialTheme.colorScheme.background
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) {
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Greeting("Android")
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}
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}
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}
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}
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}
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/***
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Composable functions :
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A composable function is a regular function annotated with @Composable.
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This enables your function to call other @Composable functions within it.
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You can see how the Greeting function is marked as @Composable.
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This function will produce a piece of UI hierarchy displaying the given input,
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String. Text is a composable function provided by the library.
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***/
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@Composable
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fun Greeting(name: String) {
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Text(text = "Hello $name!")
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}
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@Preview(showBackground = true)
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@Composable
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fun DefaultPreview() {
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JetPackComposeBasicTheme {
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Greeting("Android")
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}
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}

‎app/src/main/java/com/lahsuak/apps/jetpackcomposebasic/ui/theme/Color.kt‎

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package com.lahsuak.apps.jetpackcomposebasic.ui.theme
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import androidx.compose.ui.graphics.Color
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val Purple80 = Color(0xFFD0BCFF)
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val PurpleGrey80 = Color(0xFFCCC2DC)
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val Pink80 = Color(0xFFEFB8C8)
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val Purple40 = Color(0xFF6650a4)
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val PurpleGrey40 = Color(0xFF625b71)
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val Pink40 = Color(0xFF7D5260)

‎app/src/main/java/com/lahsuak/apps/jetpackcomposebasic/ui/theme/Theme.kt‎

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package com.lahsuak.apps.jetpackcomposebasic.ui.theme
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import android.app.Activity
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import android.os.Build
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import androidx.compose.foundation.isSystemInDarkTheme
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.darkColorScheme
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import androidx.compose.material3.dynamicDarkColorScheme
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import androidx.compose.material3.dynamicLightColorScheme
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import androidx.compose.material3.lightColorScheme
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.SideEffect
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import androidx.compose.ui.graphics.toArgb
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.platform.LocalView
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import androidx.core.view.ViewCompat
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private val DarkColorScheme = darkColorScheme(
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primary = Purple80,
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secondary = PurpleGrey80,
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tertiary = Pink80
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)
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private val LightColorScheme = lightColorScheme(
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primary = Purple40,
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secondary = PurpleGrey40,
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tertiary = Pink40
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/* Other default colors to override
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background = Color(0xFFFFFBFE),
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surface = Color(0xFFFFFBFE),
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onPrimary = Color.White,
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onSecondary = Color.White,
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onTertiary = Color.White,
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onBackground = Color(0xFF1C1B1F),
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onSurface = Color(0xFF1C1B1F),
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*/
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)
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@Composable
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fun JetPackComposeBasicTheme(
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darkTheme: Boolean = isSystemInDarkTheme(),
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// Dynamic color is available on Android 12+
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dynamicColor: Boolean = true,
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content: @Composable () -> Unit
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) {
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val colorScheme = when {
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dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
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val context = LocalContext.current
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if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
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}
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darkTheme -> DarkColorScheme
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else -> LightColorScheme
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}
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val view = LocalView.current
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if (!view.isInEditMode) {
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SideEffect {
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(view.context as Activity).window.statusBarColor = colorScheme.primary.toArgb()
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ViewCompat.getWindowInsetsController(view)?.isAppearanceLightStatusBars = darkTheme
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}
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}
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MaterialTheme(
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colorScheme = colorScheme,
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typography = Typography,
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content = content
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)
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}

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