Ben Weiss - Migrating_from_installed_to_instant_app - a_retrospective

Transcript

1. Installed → Instant A retrospective Ben Weiss @keyboardsurfer & Beyond DroidCon Berlin - 2018
2. Google Play Instant DroidCon Berlin - 2018
3. Discovering an app DroidCon Berlin - 2018
4. Discovering an app Use Install Find DroidCon Berlin - 2018
5. With Google Play Instant DroidCon Berlin - 2018
6. > 1b devices DroidCon Berlin - 2018
7. Requirements DroidCon Berlin - 2018
8. Lollipop DroidCon Berlin - 2018
9. Android Studio 3.0+ • Instant Apps SDK • Gradle plugins ◦ com.android.feature ◦ com.android.instantapp • App Links Assistant • Emulator support • Refactoring tool DroidCon Berlin - 2018
10. 4 MB < DroidCon Berlin - 2018
11. Migrating a real app DroidCon Berlin - 2018
12. Topeka DroidCon Berlin - 2018
13. A fun to play quiz Available on GitHub googlesamples/android-topeka Topeka DroidCon Berlin - 2018
14. Topeka | UI DroidCon Berlin - 2018
15. Topeka | Development timeline now Sept 2014 First commit May 2015 Published to GitHub Transitions July 2015 Sept 2015 minSdkVersion 16 Oct 2015 minSdkVersion 14 Kotlin May 2017 DroidCon Berlin - 2018
16. Topeka | Now But how DroidCon Berlin - 2018
17. g.co/instantapps DroidCon Berlin - 2018
18. Topeka | TODO Size < 4MB Not URL addressable Manual login ⤫ ⤫ ⤫ DroidCon Berlin - 2018
19. DroidCon Berlin - 2018
20. SmartLock API Automatically sign in users Less friction Faster access to content DroidCon Berlin - 2018
21. SmartLock API Save Retrieve Activity Result DroidCon Berlin - 2018
22. CredentialsHelper.kt: fun Context.apiClient() = Credentials.getClient(this) apiClient().request() apiClient().save(playerCredentials) DroidCon Berlin - 2018
23. CredentialsHelper.kt: fun Activity.onSmartLockResult( requestCode: Int, resultCode: Int, data: Intent?, success: (Player) -> Unit, failure: () -> Unit) DroidCon Berlin - 2018
24. CredentialsHelper.kt: fun Activity.requestLogin(success: (Player) -> Unit) fun Context.logout() DroidCon Berlin - 2018
25. interface Login { fun loginPlayer(activity: Activity, onSuccess: (Player) -> Unit) fun savePlayer(activity: Activity, player: Player, onSuccess: () -> Unit) } object DefaultLogin : Login // used within the app object TestLogin : Login // used for testing DroidCon Berlin - 2018
26. Topeka | TODO Not URL addressable Manual login ⤫ ⤫ ✓ Size < 4MB ⤫ DroidCon Berlin - 2018
27. nytimes.com/crosswords URL Addressable DroidCon Berlin - 2018
28. <activity> <intent-filter android:autoVerify="true"> </intent-filter> </activity> <data android:scheme="http" /> <data android:scheme="https" /> <data android:host="topeka.instantappsample.com" /> <data android:path="/signin" /> DroidCon Berlin - 2018
29. Intent(Action.VIEW, QuizActivity.class::java) .apply { putExtra(Category.TAG, category.id) val start = Intent(Intent.ACTION_VIEW, myURL) .addCategory(Intent.CATEGORY_DEFAULT) .addCategory(Intent.CATEGORY_BROWSABLE) intent.`package` = context.packageName DroidCon Berlin - 2018
30. const val URL_BASE = "mybaseUrl" const val URL_SIGNIN = "$URL_BASE/signin" const val URL_CATEGORIES = "$URL_BASE/categories" const val URL_QUIZ_BASE = "$URL_BASE/quiz/" // append category id DroidCon Berlin - 2018
31. Topeka | TODO Not URL addressable Manual login ⤫ ✓ ✓ Size < 4MB ⤫ DroidCon Berlin - 2018
32. Gradle Plugins com.android.application DroidCon Berlin - 2018
33. Gradle Plugins com.android.instantapp DroidCon Berlin - 2018
34. Gradle Plugins com.android.feature application → aar instantapp → apk DroidCon Berlin - 2018
35. app Create new modules settings.gradle: include ':base', ':installed', ':instant' base instant installed apk aar DroidCon Berlin - 2018
36. Topeka | TODO Not URL addressable Manual login ✓ ✓ Size < 4MB ⤫ DroidCon Berlin - 2018
37. Feature module shuffle base quiz categories instant apk installed aar DroidCon Berlin - 2018
38. s://commons.wikimedia.org/wiki/File:Spaghetti_al_Pomodoro.jpg
39. Feature module shuffle | base Shared code • Included dependencies ◦ api • Utilities • Model • Data layer DroidCon Berlin - 2018
40. Feature module shuffle | base Shared resources • colors • themes • styles • drawables • strings • transitions DroidCon Berlin - 2018
41. Feature module shuffle | base Package name com.google.samples.apps.topeka.base.R as RBase • Every dependent import has to change DroidCon Berlin - 2018 • Kotlin enables import aliasing
42. Feature module shuffle | others • Controllers • UI (custom views) • Tests • Separate AndroidManifest • Drawables / assets • Package name changes DroidCon Berlin - 2018
43. Topeka | TODO Not URL addressable Manual login ✓ ✓ Size < 4MB ⤫ DroidCon Berlin - 2018
44. ConfigurationApks Screen Density User Language Processor Architecture DroidCon Berlin - 2018
45. ConfigurationApks res/ drawable-mdpi drawable-hdpi drawable-xhdpi drawable-xxhdpi drawable-xxxhdpi Base base.apk base-drawable-mdpi.apk base-drawable-hdpi.apk base-drawable-xhdpi.apk base-drawable-xxhdpi.apk base-drawable-xxxhdpi.apk DroidCon Berlin - 2018
46. ConfigurationApks base.apk quiz.apk categories.apk instant.zip ldpi mdpi hdpi xhdpi xxhdpi xxxhdpi ldpi mdpi hdpi xhdpi xxhdpi xxxhdpi ldpi mdpi hdpi xhdpi xxhdpi xxxhdpi DroidCon Berlin - 2018
47. build.gradle: // feature modules flavorDimensions 'delivery' DroidCon Berlin - 2018
48. build.gradle: // feature modules productFlavors { installed { dimension 'delivery' } ... } DroidCon Berlin - 2018
49. build.gradle: // feature modules productFlavors { ... instant { dimension 'delivery' minSdkVersion rootProject.minSdkInstant } } DroidCon Berlin - 2018
50. build.gradle: // installed app module defaultConfig { missingDimensionStrategy 'delivery', 'installed' } DroidCon Berlin - 2018
51. build.gradle: // instant app module defaultConfig { missingDimensionStrategy 'delivery', 'instant' } DroidCon Berlin - 2018
52. Topeka | TODO Not URL addressable Manual login ✓ ✓ ✓ Size < 4MB ⤫ DroidCon Berlin - 2018
53. Bonus Round | Proguard Keep API surfaces intact DroidCon Berlin - 2018
54. Takeaways Prerequisites first URLs, SmartLock, Restricted APIs, Permissions Refactor one feature at a time Apply new plugins Size constraints DroidCon Berlin - 2018
55. Next Steps Link to domain using Android App Links Upload to the Play Store Android App Bundle & Dynamic Delivery DroidCon Berlin - 2018
56. DroidCon Berlin - 2018
57. DroidCon Berlin - 2018
58. DroidCon Berlin - 2018
59. DroidCon Berlin - 2018 g.co/androidappbundle
60. DroidCon Berlin - 2018 master.apk ch.apk de.apk en.apk es.apk it.apk pl.apk x86.apk armeabi.apk mips.apk drawable-ldpi.apk drawable-hdpi.apk drawable-mdpi.apk drawable-xhdpi.apk drawable-xxxhdpi.apk drawable-xxhdpi.apk
61. DroidCon Berlin - 2018 de.apk x86.apk drawable-xxxhdpi.apk master.apk
62. DroidCon Berlin - 2018 aab 4.2 MB apk 8.6 MB
63. com.android.application com.android.library com.android.dynamic-feature Modular Development DroidCon Berlin - 2018
64. Modular Development Core com.android.application app -> HomeActivity & few resources com.android.library base -> most shared code & resources external dependencies search -> search code & resources DroidCon Berlin - 2018
65. Modular Development Dynamic Feature Modules com.android.dynamic-feature Separable Activity & local resources designernews dribbble about DroidCon Berlin - 2018
66. shared search bypass DroidCon Berlin - 2018 com.android.library about designer news dribbble app com.android.application com.android.dynamic-feature
67. Google Play Core API Enables dynamic delivery through the Google Play Store Request modules Delete modules Immediately or deferred DroidCon Berlin - 2018
68. PlayCore API: Set up override fun onCreate(savedInstanceState: Bundle?) { ... manager = SplitInstallManagerFactory.create(this) btn.setOnClickListener { install("dribbble") } } DroidCon Berlin - 2018
69. PlayCore API: Handle modules that are already installed fun install(moduleName: String) { if (manager.installedModules .contains(moduleName)) { onSuccessfulLoad(name) return } ... DroidCon Berlin - 2018
70. PlayCore API: Request installation ... val request = SplitInstallRequest.newBuilder() .addModule(moduleName) .build() manager.startInstall(request) } DroidCon Berlin - 2018
71. PlayCore API: Handle results private fun onSuccessfulLoad(moduleName: String) { ... Intent().setClassName(packageName, className) .also { startActivity(it) } ... } DroidCon Berlin - 2018
72. Optimized APK for each device Upload an Android App Bundle DroidCon Berlin - 2018
73. Optimized APK for each device Upload an Android App Bundle Dynamic Delivery by Google Play DroidCon Berlin - 2018
74. Takeaways You can release an .aab today faster delivery == happier users Map out before you modularize Dynamic Delivery can be added at any point But still: Work one feature at a time DroidCon Berlin - 2018
75. Source Code: github.com/googlesamples/android-topeka github.com/nickbutcher/plaid Samples: github.com/googlesamples/android-instant-apps github.com/googlesamples/android-dynamic-features Blog: Enabling ProGuard in an Android Instant App Docs: g.co/InstantApps g.co/AndroidAppBundle Resources DroidCon Berlin - 2018
76. Thank you! Ben Weiss @keyboardsurfer DroidCon Berlin - 2018
77. Questions? Ben Weiss @keyboardsurfer DroidCon Berlin - 2018