Merge pull request #451 from android/mlykotom/compose-perf-main

Code for Compose Performance Codelab

PerformanceCodelab/.gitignore

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+*.iml
+.gradle
+local.properties
+.idea/*
+!.idea/copyright
+# Keep the code styles.
+!/.idea/codeStyles
+/.idea/codeStyles/*
+!/.idea/codeStyles/Project.xml
+!/.idea/codeStyles/codeStyleConfig.xml
+
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx

PerformanceCodelab/README.md

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+# Performance with Jetpack Compose Codelab
+
+The folder contains the source code for the Performance with Jetpack Compose codelab.
+
+## Formatting
+To run spotless use the following command
+```
+./gradlew spotlessApply
+```
+
+## License
+```
+Copyright 2024 The Android Open Source Project
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+```

PerformanceCodelab/app/.gitignore

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+/build

PerformanceCodelab/app/build.gradle.kts

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+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+plugins {
+ alias(libs.plugins.com.android.application)
+ alias(libs.plugins.org.jetbrains.kotlin.android)
+ alias(libs.plugins.androidx.baselineprofile)
+ alias(libs.plugins.compose)
+}
+
+android {
+ namespace = "com.compose.performance"
+ compileSdk = 34
+
+ defaultConfig {
+ applicationId = "com.compose.performance"
+ minSdk = 21
+ targetSdk = 34
+ versionCode = 1
+ versionName = "1.0"
+
+ testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+ vectorDrawables {
+ useSupportLibrary = true
+ }
+ }
+
+ buildTypes {
+ release {
+ isMinifyEnabled = true
+ isProfileable = true
+ isShrinkResources = true
+ proguardFiles(
+ getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
+ )
+ }
+ }
+ compileOptions {
+ sourceCompatibility = JavaVersion.VERSION_17
+ targetCompatibility = JavaVersion.VERSION_17
+ isCoreLibraryDesugaringEnabled = true
+ }
+ kotlinOptions {
+ jvmTarget = JavaVersion.VERSION_17.toString()
+ }
+ buildFeatures {
+ compose = true
+ }
+ packaging {
+ resources {
+ excludes += "/META-INF/{AL2.0,LGPL2.1}"
+ }
+ }
+}
+
+composeCompiler {
+ // This settings enables strong-skipping mode for all module in this project.
+ // As an effect, Compose can skip a composable even if it's unstable by comparing it's instance equality (===).
+ // TODO Codelab task: Enable Strong Skipping Mode
+ enableStrongSkippingMode = false
+
+ // TODO Codelab task: Enable Stability Configuration file
+}
+
+dependencies {
+ coreLibraryDesugaring(libs.desugar.jdk.libs)
+ implementation(libs.kotlinx.datetime)
+ implementation(libs.core.ktx)
+ implementation(libs.lifecycle.runtime.ktx)
+ implementation(libs.activity.compose)
+ implementation(platform(libs.compose.bom))
+ implementation(libs.ui)
+ implementation(libs.ui.graphics)
+ implementation(libs.ui.tooling.preview)
+ implementation(libs.material3)
+ implementation(libs.androidx.material.icons.core)
+ implementation(libs.androidx.lifecycle.viewmodel.compose)
+ implementation(libs.profileinstaller)
+ implementation(libs.androidx.tracing.ktx)
+
+ // TODO Codelab task: Add androidx.runtime-tracing dependency to enable Composition Tracing
+
+ implementation(libs.coil.compose)
+ implementation(libs.androidx.media3.exoplayer)
+ implementation(libs.androidx.media3.ui)
+
+ baselineProfile(project(":measure"))
+
+ testImplementation(libs.junit)
+ androidTestImplementation(libs.androidx.test.ext.junit)
+ androidTestImplementation(libs.espresso.core)
+ androidTestImplementation(platform(libs.compose.bom))
+ androidTestImplementation(libs.ui.test.junit4)
+
+ debugImplementation(libs.ui.tooling)
+ debugImplementation(libs.ui.test.manifest)
+}

PerformanceCodelab/app/proguard-rules.pro

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+# 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
+
+# Please add these rules to your existing keep rules in order to suppress warnings.
+# This is generated automatically by the Android Gradle plugin.
+-dontwarn kotlinx.serialization.KSerializer
+-dontwarn kotlinx.serialization.Serializable
+
+-dontobfuscate

PerformanceCodelab/app/src/main/AndroidManifest.xml

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+<?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:icon="@mipmap/ic_launcher"
+ android:label="@string/app_name"
+ android:roundIcon="@mipmap/ic_launcher_round"
+ android:supportsRtl="true"
+ android:theme="@style/Theme.ComposePerformance"
+ tools:targetApi="31">
+ <activity
+ android:name="com.compose.performance.MainActivity"
+ android:exported="true"
+ android:theme="@style/Theme.ComposePerformance">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+
+</manifest>