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Weekly Issue #32

Mobile Developers Cafe's weekly newsletter
Hello,
Happy new year 2022 🎉
Taking a break is good. It helps to make sure the work we do keeps going. A break is like fuel for the next big work. Speaking of breaks, after 3 months of break, we return with amazing and hand-curated content for Mobile Developers around the world. Starting this week, there will be a regular weekly issue every Thursday and adding more content types every week. Thank you for the support.

What's happening around
RED shares new 'INSPI(RED)' video to celebrate 15 years of partnership with Apple
RED shares new 'INSPI(RED)' video to celebrate 15 years of partnership with Apple
Named “INSPI(RED),” the video shows how Apple has been helping the (RED) organization with (PRODUCT)RED certified products.
9to5mac.com
China launches iPhone and Android apps for its digital currency
China has rolled out a pilot version of a wallet app that lets users make payments using the state-backed digital yuan, or e-CNY. The app is currently only available to users in 10 cities throughout China.
www.theverge.com
Wear OS will soon be able to unlock Chromebooks and Android phones, tablets
Wear OS will soon be able to unlock Chromebooks and Android phones, tablets
Following a big 2021 for Wear OS, Google is continuing the momentum with the upcoming ability for watches to unlock Chrome OS and Android…
9to5google.com
Instagram testing three new feed sorting choices, including chronological options
Instagram testing three new feed sorting choices, including chronological options
Head of Instagram, Adam Mosseri, announced today that the app is rolling out for some users the ability to switch between different feeds.
9to5mac.com
Connect 2.0: Concert tickets, artist merchandise, and more to improve Apple Music
Many moons ago, Apple Music included a feature called Connect that let musicians share content directly with fans. Just like, you know, Twitter and Facebook. The copycat social feature was destined for cancelation from the start, but the spirit of Connect had good intentions that should still be explored.
9to5mac.com
Google pushes Android users to update Microsoft Teams to prevent now-fixed 911 bug
A bug between Microsoft Teams and Android could lead to a 911 bug, but Google is pushing users to update to avoid it entirely.
9to5google.com
AR/VR OS work still on, says Meta, but wording is suspicious
It was yesterday reported that Facebook owner Meta had abandoned work on its own AR/VR OS, but the company responded, saying that it …
9to5mac.com
Google is bringing Nearby Share from Android to Windows
Google is bringing Nearby Share from Android to Windows
Android’s useful Nearby Share is heading to Windows PCs to enable AirDrop-like file sharing between phones and laptops.
9to5google.com
Intel claims the new Core i9 processor is faster than the Apple M1 Max – but that doesn't mean much
According to Intel, the new Core i9 processor is faster than the Apple M1 Max – but that doesn’t mean much.
9to5mac.com
Samsung’s Galaxy S22 lineup takes shape in unofficial leaks
Samsung’s Galaxy S22 lineup takes shape in unofficial leaks
A video from Unbox Therapy has shown off what appears to be three dummy units of Samsung’s upcoming Galaxy S22 series of phones, giving an early look at the design of the three handsets. Specs have also leaked for the S22 Ultra.
www.theverge.com
Samsung announces Galaxy S21 FE, a pared-down flagship for $699
The Samsung Galaxy S21 FE offers much of the S21’s flagship features at a lower price, including a 6.4-inch screen with a smooth 120Hz refresh rate, 4,500mAh battery with 25W fast charging, and IP68 weather-resistance.
www.theverge.com
BlackBerry will die on January 4th — for real this time
BlackBerry will die on January 4th — for real this time
BlackBerry legacy devices will no longer function reliably from January 4th, 2022, with basic services like calls, text, and data all affected. BlackBerry-branded Android devices will continue to operate as normal.
www.theverge.com
iOS Tech Articles / Podcasts
A document-based app in Swift Playgrounds for iPad
Gui Rambo writes about his coding and reverse engineering adventures.
rambo.codes
Building an asynchronous SwiftUI button
How a custom SwiftUI button that’s capable of running asynchronous actions can be created, and how to make such a control versatile and easy to reuse across a project.
swiftbysundell.com
SwiftUI Label: A standard way to label user interface items
A label might seem trivial, but it plays an important role in SwiftUI. Let’s learn about this simple view.
sarunw.com
🔊 Episode 61: Worth Learning A Little Bit About
We introduce web development for iOS developers!
codecompletion.io
🔊 Podcast - “Custom rendering”, with special guest James Thomson
James Thomson returns to the show to discuss the various technologies that enable us to render custom UIs on Apple’s platforms. From rendering views using Core Graphics and Core Animation, to building completely custom 3D-based UIs using SceneKit and RealityKit.
swiftbysundell.com
Forcing an app out of memory on iOS
I’ve recently been working on a background uploading feature for an app. One of the key aspects to get right with a feature like that is to correctly handle…
www.donnywals.com
Codable synthesis for enums with associated values in Swift 5.5
Swift 5.5 extends the support for the automatic synthesis to enums with associated values. Learn what can be expected from the synthesis code.
sarunw.com
Two ways of capturing self strongly within a closure
How to use either explicit self-references or a capture list to capture self strongly within an escaping Swift closure.
swiftbysundell.com
Technical Article Swift Playgrounds 4
Xcode on the iPad is kinda-sorta here! By way of Playgrounds, we can now realize our dream of creating apps on the iPad.
www.swiftjectivec.com
Using @SceneStorage With @FetchRequest
Are you having trouble using @SceneStorage to configure Core Data @FetchRequest?
useyourloaf.com
Encoding and decoding references to other types with Codable | Rambo Codes
Gui Rambo writes about his coding and reverse engineering adventures.
rambo.codes
Five things iOS developers should focus on in 2022
A new year has started and most of us are probably figuring out what we should focus on this year. Whether it’s learning new things or expanding our knowledge…
www.donnywals.com
Transactions and Animations ¡ objc.io
objc.io publishes books, videos, and articles on advanced techniques for iOS and macOS development.
www.objc.io
SF Symbols in SwiftUI | Swift with Majid
Apple provides us with a set of different icons available across all the platforms called SF Symbols. SF Symbols package contains more than 3200 icons that we can use to visualize different states and actions in our apps. This week we will learn how to utilize the power of SF Symbols in SwiftUI views.
swiftwithmajid.com
Add an index bar to a SwiftUI List or ScrollView
Add an index bar to a SwiftUI List or ScrollView.
iosexample.com
Xcode Build Times with Custom SF Symbols | by Geoff Hackworth | Dec, 2021 | Medium
Since then, many more symbols and various color render modes have been added. Apple also made it possible for designers and developers to create their own SF Symbols for including in their apps…
hacknicity.medium.com
Android Articles
Swipe to Dismiss — Jetpack Compose - Pankaj Rai
It’s one of the common UX across apps to provide swipe to dismiss so as to delete the list item or take some other action such as archive. However, adding this functionality is a bit tricky with the…
proandroiddev.com
Conditionals, An Easier Design Decision But A Poor Choice - Abhishek Saxena
It solves problems when we have multiple options for a single input and have to decide about which path to go. ….but often we use it and make our lives tough when it comes to scalability or when we…
proandroiddev.com
Where Should You Save Data in Android?
Prerequisites
Have knowledge of android development. Have an idea about ViewModels, Preferences/Datastore and Room.
Android apps cannot be complete without data, this can either be input from the user or fetched from a server. These data needs to b…
kibet.hashnode.dev
Introducing Jetpack Compose into an existing project - Ziv Kesten
In this part of the series, we will plan our first screen in Jetpack Compose, and learn how we can think differently when building UI with compose In the last part of the series, we chose a candidate…
proandroiddev.com
Accessibility test framework and Espresso - Accessibility on Android
Accessibility test framework and Espresso - Accessibility on Android
In this episode, learn how Espresso and the Accessibility Test Framework can help you create automated accessibility tests.Android Espresso → https://goo.gle…
www.youtube.com
Reducing Android app size in practice at LinkedIn - Chao Zhang in Microsoft Mobile Engineering
App size is a key metric impacting user acquisition and retention: If the app is too large to download, users may skip installation or cancel the installation during downloading; if the app takes too…
medium.com
Cross Platform Articles
Linear Progress Indicator In Flutter - Vikas Tiwari
Guess if you have opened any App and it shows a blank page. You will be having no clue what that application is doing. Even though the app might be doing some tasks in the background. Won’t it will…
medium.flutterdevs.com
Dart type you have NEVER used. Dart type system goes: never say never… - Mangirdas Kazlauskas
First of all, the title of this article could seem like just another clickbait but let me explain. Sure, there is a chance that you have used this type, but for the sake of a pun (and I REALLY enjoy…
medium.com
SQFlite In Flutter. SQFlite is a plugin in flutter which is… - Raksha Goswami
SQFlite is a plugin in flutter which is used to store the data. In SQFlite we perform many operations like create, delete, update, etc. This operation is called CRUD Operations. Using this we can…
medium.flutterdevs.com
State of React - What's new in the React ecosystem?
We recently wrapped up our highly anticipated State of React which featured a group of powerhouse developers. If you were unable to make it, don’t worry, we…
www.thisdot.co
Great Dev blog you shouldn't miss
Advanced Git Concepts You Should Know
Have you gotten accustomed to the basics of git, but the advanced concepts make you scratch your… Tagged with git, github, productivity, programming.
dev.to
How to Improve Perceived Performance in Mobile Apps
Mobile apps must be snappy and playful. To fall in love with your mobile app, users need to perceive it as fast, responsive, and bug-free. Perceived performance measures how fast a user thinks your mobile app is. Fortunately, there are several standard techniques that we can apply to our UI/UX, in order to improve the perceived performance of mobile apps significantly.
instamobile.io
Please remove that .DS_Store
macOS automatically creates .DS_Store when you open a folder with Finder, the default file manager…. Tagged with cybersecurity, security, macos, git.
dev.to
How Khan Academy Rewrote their Backend - Quastor Tech
How Databricks uses Scala at Scale. Lessons learned from packaging 10,000 C++ proejcts at Bloomberg. How Etsy built their bidding system for Etsy ads and the engineering behind MDN’s autocomplete.
www.quastor.org
The Full-Stack Developer Vocabulary(The Full List!)
Jamstack? Docker? DOM? Serverless? WTF is everyone talking about??? If you’re… Tagged with webdev, javascript, programming, react.
dev.to
Adding the daily DevCard to your GitHub profile
In this article, we will cover two different ways of showing your reading interests through your GitHub profile: manually adding your DevCard by copying the code and automatically updating DevCard by leveraging GitHub actions.
daily.dev
Dev & Design Tools
Jini Design
Design Resources you wish for - Design resources you can combine to spice up your web, mobile app, print, or marketing projects.
jini.design
TeamCode Tin - You Can Run Any Project Immediately
Automatically build and run open source and private projects from Git, Docker, or Source code in the cloud immediately. Quickly share your project with others.
www.teamcode.com
Octolink: Link sharing for GitHub repositories
Octolink: Link sharing for GitHub repositories
Link sharing for GitHub repositories. Create links to your repositories and share them with others to automatically invite them to your repositories.
octolink.me
MenubarX - A powerful Mac menu bar browser
MenubarX - A powerful Mac menu bar browser
MenubarX is a powerful Mac menu bar browser.
menubarx.app
Placeholder image generator online dummy image generator
Placeholder image generator tool which can be used to generate dummy images with desired dimensions and other parameters
placy.org
Create a top-notch mobile app for your Shopify store with Appmaker
Appmaker, the best shopify mobile app builder, turns your Shopify store into beautiful, native Android & iOS mobile apps with zero codings.
appmaker.xyz
Glitch: The friendly community where everyone builds the web
Glitch: The friendly community where everyone builds the web
Simple, powerful, free tools to create and use millions of apps.
glitch.com
Events
January 2022
  • [Virtual] Jan 17 - 21 - iOS Conf SG - 2022 - S$70 to S$220 (Early-bird till 15th Nov) - Workshop and Conference
February 2022
Thanks for reading.
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