Hello, Android Studio 3.2 & Android App Bundle @ I/O Extended Bangkok 2018
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The document summarizes the new features in Android Studio 3.2 beta, including AndroidX for reorganizing Android support library packages, dynamic delivery of APKs using app bundles, and dynamic delivery of features using dynamic feature modules. It provides details on migrating to AndroidX, building app bundles and dynamic feature modules, and how they allow serving optimized APKs based on user device configuration. The release also includes improvements to the build tools, emulator, and other developer tools.
![// build.gradle
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.0.0-alpha3'
implementation 'androidx.constraintlayout:constraintlayout:1.1.2'
implementation 'androidx.legacy:legacy-support-v4:1.0.0-alpha3'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.1.0-alpha3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha3'
}](https://image.slidesharecdn.com/helloandroidstudio3-180705130958/85/Hello-Android-Studio-3-2-Android-App-Bundle-I-O-Extended-Bangkok-2018-8-320.jpg)
![// build.gradle
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.0.0-alpha3'
implementation 'androidx.constraintlayout:constraintlayout:1.1.2'
implementation 'androidx.legacy:legacy-support-v4:1.0.0-alpha3'
...
implementation('android.arch.navigation:navigation-fragment:1.0.0-alpha02') {
exclude group: 'com.android.support'
}
}](https://image.slidesharecdn.com/helloandroidstudio3-180705130958/85/Hello-Android-Studio-3-2-Android-App-Bundle-I-O-Extended-Bangkok-2018-11-320.jpg)
![// build.gradle (App module)
android {
...
dynamicFeatures = [":feature_payment"]
}](https://image.slidesharecdn.com/helloandroidstudio3-180705130958/85/Hello-Android-Studio-3-2-Android-App-Bundle-I-O-Extended-Bangkok-2018-59-320.jpg)
Hello, Android Studio 3.2 & Android App Bundle @ I/O Extended Bangkok 2018
- 2. Somkiat Khitwongwattana Hello, Android Studio 3.2 And Android App Bundle
- 3. Android Studio 3.2 Beta 2 Based on IntelliJ IDEA 2018.1.1
- 6. Develop
- 7. AndroidX New package structure to make it clearer which packages are bundled with the Android operating system Android Studio include the AndroidX as Default dependencies and Built-in migration for Android X
- 8. // build.gradle dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" implementation 'androidx.appcompat:appcompat:1.0.0-alpha3' implementation 'androidx.constraintlayout:constraintlayout:1.1.2' implementation 'androidx.legacy:legacy-support-v4:1.0.0-alpha3' testImplementation 'junit:junit:4.12' androidTestImplementation 'androidx.test:runner:1.1.0-alpha3' androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha3' }
- 9. Refactor > Migrate to AndroidX...
- 11. // build.gradle dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" implementation 'androidx.appcompat:appcompat:1.0.0-alpha3' implementation 'androidx.constraintlayout:constraintlayout:1.1.2' implementation 'androidx.legacy:legacy-support-v4:1.0.0-alpha3' ... implementation('android.arch.navigation:navigation-fragment:1.0.0-alpha02') { exclude group: 'com.android.support' } }
- 12. Android App Bundle An improved way to package your app. Lets you more easily deliver a great experience in a smaller app size, allowing for the huge variety of Android devices available today.
- 13. Slices Provider Generator Built-in template to help you to extend your app with the new Slice Provider APIs
- 14. Sample Data Easily see a preview of your view in the Layout Editor filled with sample data
- 15. Sample Data Easily see a preview of your view in the Layout Editor filled with sample data
- 16. What's new Assistant Informs you about the latest changes in Android Studio. Help > What's new in Android Studio
- 17. Build
- 18. D8 desugaring Turn on by default
- 19. R8, New code shrinker New tool for code shrinking and obfuscation that replaces ProGuard. Try the preview version, add this in gradle.properties file . android.enableR8 = true . .
- 20. Removed ABIs for multi-APKs Android Studio no longer generates APKs for the following ABIs by default: mips, mips64 and armeabi
- 21. What to build with these ABIs? . // build.gradle . android { . splits { . abi { . include 'armeabi', 'mips', 'mips64' . ... . } . } . } . . NDK r16b or lower is required
- 23. AAPT2 moved to Google’s Maven repository
- 24. To use AAPT2 . // build.gradle . buildscript { . repositories { . google() . ... . } . dependencies { . classpath 'com.android.tools.build:gradle:3.2.0-beta1' . } . } . . allprojects { . repositories { . google() . ... . } . .
- 25. Native multidex enabled by default The Android plugin for Gradle enables native multidex for all modules that set minimum SDK version to 21 or higher.
- 27. Removal of “configuration on demand”
- 28. Test
- 29. Emulator • Emulator snapshot • Screen record in Android emulator • Virtual scene Android emulator camera
- 30. ADB Connection Assistant Step-by-step instructions to help you set up and use a device over the Android Debug Bridge (ADB) connection. Tools > Connection Assistant
- 31. Optimize
- 32. Energy Profiler Help you understand the energy impact of your app on an Android device.
- 33. Energy Profiler Help you understand the energy impact of your app on an Android device.
- 34. Profiling Recorder Record CPU activity during your app's startup.
- 35. Develop AndroidX Navigation Editor Slices Provider Generator Sample Data in Layout Design What's new Assistant Build D8 desugaring R8, New code shrinker Removed ABIs for multi-APKs Build speed improvement AAPT2 moved to Google's Maven repository Native multidex enabled by default Removal of “configuration on demand” Test Emulator Snapshot Screen Record in Android Emulator Virtual Scene Android Emulator Camera ADB Connection Assistant Optimize Energy Profiler Profiling Recorder
- 36. Android Studio on Chromebooks
- 37. And more! Android Studio 3.2 Beta - Android Developers Blog https://android-developers.googleblog.com/2018/06/android-studio-3-2-beta.html Android Studio Preview https://developer.android.com/studio/preview/ What's new in Android development tools - Google I/O '18 https://www.youtube.com/watch?v=WxAZk7A7OkM
- 38. Android App Bundle The new app publishing format
- 40. Publishing format • Not installable • Metadata files • Strict validation All the ingredients to build optimized APKs
- 41. Android App Bundle Dex Java resources Resources Assets AndroidManifest.xml Native libraries Metadata files
- 42. Dynamic Delivery Uses your app bundle to generate and serve optimized APKs for each user’s device configuration.
- 45. Split APKs Multiple installed for a single app and appear as if a single APK. Android Lollipop or higher
- 46. Pre L Devices
- 47. ABA English Blue Apron Airbnb LinkedIn Perigee Jaumo Memrise TextPlus RV AppStudios Twitter Pluto TV
- 48. 28% 46% 11% 23% 49% 50% 45% 26% 64% 35% 22%
- 49. . // build.gradle (Base module) . android { . ... . splits {...} . . bundle { . language { . enableSplit = false . } . density { . enableSplit = true . } . abi { . enableSplit = true . } . } . } . . . // build.gradle (Base module) . android { . ... . defaultConfig { . ... . versionCode 5 . versionName "1.0.1" . } . } . . Disable types of configuration Only one version code in the base module
- 50. Build > Build Bundles(s) / APK(s)
- 51. Dynamic Features Uses your app bundle to generate and serve optimized APKs for each user’s device configuration.
- 57. // AndroidManifest.xml (Feature module) <manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:dist="http://schemas.android.com/apk/distribution" package="com.akexorcist.dynamic_feature"> <dist:module dist:onDemand="true" dist:title="@string/title_dynamic_feature"> <dist:fusing dist:include="true" /> </dist:module> </manifest>
- 58. // build.gradle (Feature module) apply plugin: 'com.android.dynamic-feature' ... dependencies { ... implementation project(':app') }
- 59. // build.gradle (App module) android { ... dynamicFeatures = [":feature_payment"] }
- 60. // Request the dynamic feature val manager = SplitInstallManagerFactory.create(this) val request = SplitInstallRequest.newBuilder().apply { addModule("feature_photo_gallery") addModule("feature_top_10_promotions") }.build() manager.startInstall(request) .addOnSuccessListener { sessionId: Int -> // Do something } .addOnFailureListener { exception -> // Do something }
- 62. val listener = SplitInstallStateUpdatedListener { state -> // state.sessionId() // state.status() // state.moduleNames() if (state.status() == SplitInstallSessionStatus.REQUIRES_USER_CONFIRMATION) { startIntentSender(state.resolutionIntent().intentSender, null, 0, 0, 0) } } manager.registerListener(listener) manager.unregisterListener(listener)
- 65. Thank you Somkiat Khitwongwattana developers.android.com Helpful resources @Akexorcist