CategoryApps

November 13, 2018 — Sending many transactional emails at once, if not architected properly, could become a bottleneck for the application and degrade the user experience. Part of the problem is connecting to the SMTP server from within the application, synchronously. In this article, Leonardo Losoviz will explore how to send emails from outside the application, asynchronously, using a combination of AWS S3, Lambda, and SES. Read more…

October 18, 2018 — It’s an exciting time when your mobile app is ready to launch, but be careful. No matter how high you see those app store downloads go, don’t go rushing to celebrate just yet. There’s a more meaningful metric you should be paying attention to in order to determine the success of your app, and that’s the mobile app retention rate. Suzanne Scacca will explore what a good retention rate looks like for mobile apps. Let’s start with the basics. Read more…

October 11, 2018 — When creating mobile apps, you have to create and maintain the user interface and app logic for both iOS and Android separately: Objective-C/Swift with XCode and Java with Android Studio. That can quickly turn into a pain. With Xamarin.Forms, however, the UI and app logic for your app resides in a single codebase and you get to use a single IDE to maintain it all — saving time and headaches. In this article, take a lap around Xamarin.Forms to see what it can do for you. Read more…

October 3, 2018 — Angular is the most powerful JavaScript framework for building highly interactive and dynamic web applications. And material design Is an adaptable system of guidelines, components, and tools that support the best practices of user interface design. In this article, Rachid Sakara is going to build a news application using Angular 6 and Google’s material design in combination, which will help you to make your future applications with Angular look great in web browsers and mobile devices. Read more…

September 20, 2018 — A Progressive Web App or PWA is a web application that has a set of capabilities which provide an app-like experience to users. PWAs need to meet a set of essential requirements. PWAs are similar to native apps but are deployed and accessible from web servers via URLs, so you don’t need to go through app stores. Throughout this tutorial, Ahmed Bouchefra will be using Angular 6 to build a Progressive Web Application, step by step, implementing the core tenets of PWAs using Angular CLI v6. Read more…

September 5, 2018 — With the release of iOS 12 and XCode 10, the view controller in the content extension now enables user interaction which means notifications will become even more powerful and customizable. There are several new notification features such as new authorization options, dynamic quick actions and user interaction within notifications. In this article, Kaya Thomas will take a look into how to implement these features and if they are right for your app. Read more…

August 29, 2018 — how can we detect the moment you and your phone are in the kitchen, or bedroom, or living room? With today’s commodity hardware, there are a myriad of possibilities: In this tutorial, Alvin Wan will show you how to build a desktop app that predicts which room you’re in using a simple machine learning algorithm: least squares. The code applies to any platform, but we only provide dependency installation instructions for Mac OSX. Read more…

July 25, 2018 — Frameworks such as Espresso and Mockito provide easy-to-use APIs that make writing tests for various scenarios easier. The important thing to consider while writing tests is the units of responsibility that emerge as you design the new feature. The unit test should cover all possible interactions with the unit, including standard interactions and exceptional scenarios. In this article, Vivek Maskara will cover the fundamentals of testing and frameworks which developers can use to write unit tests. Read more…

July 2, 2018 — In this tutorial, you’ll learn how to use Capacitor and cutting-edge web technologies such as Vue.js and Ionic 4 web components to build cross-platform mobile applications for Android and iOS. Read more…

June 27, 2018 — With modern email service providers, it’s easier than ever to create a first-class transactional email experience for your users, but, for most of us, the challenge lies in the fact that you don’t know what you don’t know. If you’re sending transactional email for your application, you’ve probably got the basics down, but you may be missing out on some of the more advanced best practices without even knowing it. With this guide, Garrett Dimon will help you make sure that you haven’t overlooked anything and aren’t unwittingly doing something wrong that could be hurting your delivery or user experience for your recipients. Read more…