Android дайджест #34: CameraX, Flutter 1.5, cold flows і hot channels в Kotlin

А також: TensorFlow Lite, Google I/O, зміни в Android Q, Android Компілятори, мультиплатформенна розробка, класичні патерни, нові стилі, розпізнавання жестів і ще багато цікавого!

Новини та аналітика

Google Blog: 100 things we announced at I/O '19 .

Android Q Beta 4 and Final APIs . Behavior changes винесені в окремий документ.

Перевірте роботу вашого додатки з Android Q: privacy checklist . New location permissions, restrictions on background activity starts, changes to data and identifiers.

Introducing a new Google Play app and game icon specification . Примусова конвертація старих іконок з 24 червня.

What's New with Android Jetpack and Jetpack Compose . 11 нових бібліотек, включаючи написання декларативного UI.

Announcing Flutter 1.5 . І зовсім раптово Flutter приходить на Web .

Google is working on new gestures that require an "Aware" sensor , possibly for the Pixel 4.

Kotlin

Cold flows, hot channels by Roman Elizarov. Відмінності між hot channels і cold flows, а так само новий Kotlin Flow concept.

Kotlin Pearls: Multiple Inheritance by Uberto Barbini. Examples to extend your knowledge of Kotlin's `by` keyword and how you can use it for interface implementation delegation.

Railway Oriented Programming in Kotlin by Antony Harfield. Pattern used to save you from the deeply nested programming.

The Kotlin Guide for the Busy Java Developer by Renaud Cerrato. Focusing on new idioms, favoring commented snippets over long explanations.

Eliminating Coroutine leaks in tests by Rick Busarow. Writing tests for coroutines can create leaks which live on the past life cycle of an individual test.

A Short History of Android and Reactive Programming: Coroutines Edition by GDE Ash Davies.

Trending patterns and Frameworks

Moving to the Dark Side: Dark Theme Recap by Yaroslav Berezanskyi. Android Q brings a Dark new theme that applies to both the system Android UI and apps running on the device.

Today, Google seems to finally give us a pretty clear direction of how we should start to design our Android apps. In a few words: multi-modules & MVVM , by Philippe Boisney.

Android CameraX: Preview, Analyze, Capture by Husayn Hakeem. Three different handlers, lifecycle binding and further links to extend your knowledge around new CameraX API.

Inspecting TensorFlow Lite image classification model by Mirek Stanek. Discussing the case when you already have the TF model deployed to your app.

The Storage Access Framework: Counterpoints by Mark Murphy. New way of dealing with app storage, aka 'iOS style'.

Exploring in-app updates on Android by GDE Joe Birch. The Play Core library allows us to show that an app update is available whilst the user is within the context of our application.

Почитати/подивитися/спробувати

Bohemian Wrapsody by GDE Dmytro Danylyk. Wrapping third-party library may take some time, but it makes your system more flexible to changes and loosely coupled.

Replace ProgressDialog with a progress button in your app by Anton Hadutski. Your app can show non-blocking progress as per latest Material Design Guidelines.

Playing with Material Design Transitions by Philippe Boisney. Transitions, shared elements and animated vector drawables.

Android CPU, Компілятори, D8 & R8 by GDE Yonatan V. Levin. Deep dive into compilation strategies, and benefits you can get from R8.

Android debug tools by Ihor Kucherenko. Featuring Android Profiler , Facebook Stetho, DebugDrawer and AppSpector .

Android Developer Roadmap 2019 : Shows developers a path of what to learn in 2019.

Корисні інструменти та бібліотеки

StfalconFixturer : Utility for developers and QAs what helps minimize wasting time on writing the same data for testing over and over again.

Bundletool : Verify non-Google Play app installs tool, developed by Google.

Reaktive : Kotlin multi-platform implementation of Reactive Extensions.

Оголошення :)

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? Попередній випуск: Android дайджест #33

Опубліковано: 15/06/19 @ 07:00
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