If you’ve been following Apple’s announcements from the past year, you know that they are heavily invested in machine learning. Ever since they introduced Core ML last year at WWDC 2017, there are tons of apps which have sprung up which harness...
There are 23 classic software development design patterns probably first identified, collected, and explained all in one place by the “Gang of Four” (“GoF”), Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides in their seminal...
Long time no see dear readers and Appcoda fans! It’s been a long time since my last post here at Appcoda, and I am really glad to be back! Today, I’m going to discuss about an important and definitely interesting...
Welcome to my first tutorial on Flutter. I have never written any post on cross-platform or hybrid app framework but Flutter has changed this mindset of mine. Previously, I have developed on React Native, Cordova, Phone Gap,...
Drag & Drop is the user interaction that works naturally when we want to build an app where user can move data around the screen. It’s being used heavily by apps like Trello, Jira, and many others to move data between boards....
Let’s imagine this scenario: you’ve got a successful app with a great number of daily users and 100% crash-free rate. You are happy and your life is amazing. But at some point you start seeing negative reviews coming to the App...
There is a wealth of problems in computer science where using a priority queue as your underlying data structure can greatly improve the time complexity of your algorithm. One example is Dijkstra’s Shortest Path Algorithm, where...
View Controller is the component that provides basic building block that we use as a foundation to build application in iOS development. In Apple MVC world, it sits as a middle man between the View and Model, acting as an...
Siri Shortcut is a new API that Apple introduced in iOS 12 built on top of SiriKit framework. It provides ways for developer to provide custom shortcut to the activities that the user often used within the app. User invokes the...
In this article, we will face a question that we should always ask ourselves when writing a function: How should I name this function? Although this question looks simple, getting it answered properly determines a crucial aspect...
Do you want to build a car (Testable Architecture) that can run fast (less compile time), save petrol (repeated code) and can be easily learnt (readable) & driven (picked up) by any licensed driver? Then you have come to the...
I still run across curmudgeons who flat out reject techniques like object-oriented programming (especially inheritance and polymorphism), protocols and protocol-oriented programming (especially composition), generics, and...