What is Pixel Density and Why Should You Care?

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Pixel density is the number of pixels per linear physical unit. Measured in pixels per inch (ppi or dpi). Pixel density and resolution are technically the same thing, but often people say “resolution” to mean “pixel count,” a related metric:

count = densityH * width * densityV * height

When other things are held constant:

Beacons, iOS and You

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Photo of beacon

What are beacons?

a) A tiny piece of plastic.
b) A low energy bluetooth device.
c) An emerging technology with numerous applications.
d) All of the above.

If you guessed all of the above, you would be correct! Beacons are an IoT technology that is deceptively simple and small but packs a potentially large punch for app developers looking for new and interesting ways to engage their customers.

6 Steps to Improve App Search Rankings

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Working as developers, we are focused on the low level technical details of a product, being that a website or an app. This heads down approach often makes us not to pay attention to many high level details that are crucial to bring our product to success. The typical path for a developer, at least at the beginning, is to build an app, put it on the store and then see it fail miserably. If that has happened to your app, then this post is for you!

Apple Watch Connectivity

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On September 9th, 2014, Tim Cook announced the Apple Watch. This wearable smartwatch quickly gained the loyalty of millions. The wearable was developed in part to incorporate fitness tracking and allow for health tracking, but more-so to free users from their phones. It includes a digital crown used to scroll and zoom, and a touchscreen with Force Touch technology. An extra button under the digital crown serves favorite contacts and access to Apple Pay.

Introduction to React Native

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React Native underlines a JavaScript framework used in writing real and natively rendering mobile applications for Android and iOS. The framework is based on React, which is Facebook’s JavaScript library used in building interfaces for web applications. Building a mobile application using javascript isn’t anything new. The similar technique has been used in frameworks such as Ionic, Sencha Touch, Phone Gap, Cordova, and the list goes on.

Prototyping with Interface Builder

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With the acquisition of Next in 1997, a new tool was initiated into the Apple family. Originally known as an enhancement of OpenStep, called NextStep, it caught the attention of the developer community under the name of Interface Builder, as part of the XCode suite. Now about to celebrate its 20th birthday, Interface Builder represents the most powerful IDE to design user interfaces in a development suite. It doesn’t matter if you are writing an app for iOS, Cocoa, tvOS or watchOS; when carefully used, it will save you hundreds of lines of code. For this and other innumerable reasons, many developers, like myself, love this tool.

Meteor

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For the past year, I’ve been working mainly with AngularJS and before that Ruby on Rails. I’ve never heard of Meteor until a few weeks ago. I am intrigued by the idea of tightly connecting the client and server together in a synergistic manner that allows for fast responsiveness, which is what Meteor is all about. I decided to go through Meteor’s tutorial online and get a feel for why the framework differentiates itself from other current technologies. From a very high level perspective, Meteor is a very good solution for quickly building an application from the ground up and provides some cool features out of the box.

Creating a Private CocoaPod

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On a recent project I was tasked with creating a private CocoaPod to be used by several internal iOS applications. As I did my research to do this, I found that the information was spread across several sites and not 100% clear (the CocoaPods site’s documentation could use some love in places). I am taking this opportunity to assist those that follow to create, organize, test and distribute a private Pod. I’ll also throw in a few tips for general pod development.