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Pros and Cons of Migrating to React Native at Khan Academy
After a two-year long transition from native to React Native for their iOS and Android apps, Khan Academy engineer Bryan Clark offered their view on the pros and cons of this decision.
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Google ARCore Depth API Now Available with Additional Sample Code
Released in closed beta at the end of last year, ARCore Depth is now available in ARCore 1.18. Since the initial announcement, Google has been working with selected partners to create compelling use cases of this technology.
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Google ML Kit SDK Now Focuses on On-Device Machine Learning
Google has introduced a new ML Kit SDK aimed at working in standalone mode without requiring a tight integration with Firebase, as the original ML Kit SDK did. Additionally, it provides limited support for replacing its default models with custom ones for image labeling and object detection and tracking.
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Fabulous Enables Building Declarative Cross-Platforms UIs for iOS and Android in F#
In a recent Channel 9 show, F# designer and architect Don Syme and Fabulous maintainer Timothé Larivière introduced Fabulous, a community-driven F# framework aimed to build cross-platform mobile and desktop apps based on Xamarin.Forms.
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Dart and Flutter Improve Performance, Safety, and Tooling for Cross-Platform Mobile Development
The latest Dart release, Dart 2.8, focuses on preparing the ground for the introduction of null safety and brings an improved package manager. Flutter 1.17 significantly improves runtime performance while reducing binary size and memory usage. Additionally, it introduces a number of new Material widgets, including NavigationRail, updated DatePicker, and more.
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NHSX Covid-19 App on Trial
The NHSx mobile application for tracking Covid-19 has been released for a trial on the Isle of Wight, but problems with the implementation and reliability mean that the app might be outdated before it achieves herd immunity. InfoQ looks at the source code and the results of the trial, and what it might mean for other applications following a similar path.
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Google and Apple Publish Exposure Notification API Draft
Only a few weeks after its initial announcement, the partnership between Google and Apple to provide their mobile OSes with solid foundations for contact tracing applications has reached a key milestone, a preliminary draft of the Exposure Notification API and beta release for iOS.
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How Duolingo Migrated its Android App to 100% Kotlin
Across the last two years, Duolingo seamlessly migrated its Java Android app to 100% Kotlin. Among the main benefits this brought, developers improved their productivity and happiness while the Duolingo app became almost null pointer exception (NPE) free. InfoQ has spoken with Duolingo Android and web development leader Art Chaidarun to learn more about their experience.
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Google and Apple Jointly Working on Contact Tracing for iOS and Android
Google and Apple announced a joint effort to create a Bluetooth-based contact tracing solution for iOS and Android. This initiative aims to provide a tool to fight the spread of the COVID-19 virus by alerting participants who have been in contact with someone who has been positively diagnosed.
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How Uber Deals with Unreachable Code Associated to Feature Flags in its Mobile Apps
Piranha is a newly open-sourced tool by Uber that can be used to remove stale code in mobile apps written in Java, Objective-C, or Swift for Android and iOS. The tool was born with the aim to pay technical debt ensuing from the process of implementing and eventually removing feature flags, says Uber.
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Flutter Golden Tests Powering Automated UI Testing at eBay
Automating UI tests to ensure the visual appearance of your app is correct on all supported devices and form factors is usually challenging. Flutter golden tests may help simplify this task, as eBay's approach to UI screenshot testing for its Motors app shows.
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PyTorch 1.4 Release Introduces Java Bindings, Distributed Training
PyTorch, Facebook's open-source deep-learning framework, announced the release of version 1.4. This release, which will be the last version to support Python 2, includes improvements to distributed training and mobile inference and introduces support for Java.
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Android 11 Now Available in Developer Preview
Google has released Android 11 as a preview for developers. The goals of doing this are to enable developers in adapting their apps to the upcoming Android release, and also for them to provide early feedback to help Google improve the release robustness. Android 11 includes many behavioural changes that could affect existing apps, as well as new feature and API and new privacy options.
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Yelp Varanus Helps Android Apps Monitor and Limit Network Traffic
Recently open-sourced by Yelp, Varanus is an Android library aiming to prevent apps from inadvertently consuming too much data. Besides monitoring network traffic, Varanus can also shut it off if required.
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React Native is the Way to Go for Mobile App Development at Shopify
After a year spent experimenting with React Native, Shopify says it will adopt it for future mobile app development. Reported benefits include almost doubled development performance and over 95% code sharing across platforms.