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Demonstrate using Compose with pre-release builds of Kotlin Compiler and Compose Compiler.
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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
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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

‎README.md

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# Using Compose Compiler to support different versions of Kotlin
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For the purposes of testing, development, or just living on the edge... some people want to use
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versions of Kotlin that are not yet officially supported by the Compose Compiler. For this purpose,
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we publish some branches the Compose Compiler that follow various versions of the Kotlin Compiler.
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It is worth noting that these builds of the Compose Compiler typically undergo less testing than
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the final builds published on Gmaven, so adopt at your own risk.
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# Compatibility table
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| Kotlin Version | Compose Compiler Version |
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|----------------|----------------------------------|
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| 1.6.20-M1 | 1.2.0-dev-k1.6.20-M1-5b767693182 |
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# Project Configuration
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This repository contains an example Compose project using pre-release builds of both the Kotlin and
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the Compose Compiler, while pointing to stable versions of the Compose UI libraries.
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Specifically, there are two things to point out:
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- [settings.gradle:14](https://github.com/jimgoog/ComposeAppUsingPrereleaseComposeCompiler/blob/main/settings.gradle#L14) adds the maven repository:
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```
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maven {
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url "https://androidx.dev/storage/compose-compiler/repository/"
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}
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```
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- [app/build.gradle:39](https://github.com/jimgoog/ComposeAppUsingPrereleaseComposeCompiler/blob/main/app/build.gradle#L39) specifies the compose compiler version:
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```
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composeOptions {
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kotlinCompilerExtensionVersion "1.2.0-dev-k1.6.20-M1-5b767693182"
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}
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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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compileSdk 31
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defaultConfig {
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applicationId "com.example.composeappusingprereleasecomposecompiler"
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minSdk 21
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targetSdk 31
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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 "1.2.0-dev-k1.6.20-M1-5b767693182"
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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:1.7.0'
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implementation "androidx.compose.ui:ui:$compose_version"
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implementation "androidx.compose.material:material:$compose_version"
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implementation "androidx.compose.ui:ui-tooling-preview:$compose_version"
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implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
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implementation 'androidx.activity:activity-compose:1.3.1'
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testImplementation 'junit:junit:4.13.2'
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androidTestImplementation 'androidx.test.ext:junit:1.1.3'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
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androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version"
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debugImplementation "androidx.compose.ui:ui-tooling:$compose_version"
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}

‎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/example/composeappusingprereleasecomposecompiler/ExampleInstrumentedTest.kt

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package com.example.composeappusingprereleasecomposecompiler
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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.example.composeappusingprereleasecomposecompiler", 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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package="com.example.composeappusingprereleasecomposecompiler">
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<application
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android:allowBackup="true"
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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.ComposeAppUsingPrereleaseComposeCompiler">
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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.ComposeAppUsingPrereleaseComposeCompiler">
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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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</activity>
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</application>
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</manifest>

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

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package com.example.composeappusingprereleasecomposecompiler
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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.material.MaterialTheme
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import androidx.compose.material.Surface
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import androidx.compose.material.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.example.composeappusingprereleasecomposecompiler.ui.theme.ComposeAppUsingPrereleaseComposeCompilerTheme
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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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ComposeAppUsingPrereleaseComposeCompilerTheme {
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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.colors.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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@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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ComposeAppUsingPrereleaseComposeCompilerTheme {
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Greeting("Android")
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}
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}

‎app/src/main/java/com/example/composeappusingprereleasecomposecompiler/ui/theme/Color.kt

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package com.example.composeappusingprereleasecomposecompiler.ui.theme
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import androidx.compose.ui.graphics.Color
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val Purple200 = Color(0xFFBB86FC)
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val Purple500 = Color(0xFF6200EE)
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val Purple700 = Color(0xFF3700B3)
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val Teal200 = Color(0xFF03DAC5)

‎app/src/main/java/com/example/composeappusingprereleasecomposecompiler/ui/theme/Shape.kt

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package com.example.composeappusingprereleasecomposecompiler.ui.theme
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import androidx.compose.foundation.shape.RoundedCornerShape
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import androidx.compose.material.Shapes
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import androidx.compose.ui.unit.dp
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val Shapes = Shapes(
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small = RoundedCornerShape(4.dp),
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medium = RoundedCornerShape(4.dp),
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large = RoundedCornerShape(0.dp)
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)

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