Passwordless SMS Authentication Using Xamarin

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Let’s face it: passwords are a liability. If a password is easy enough to remember it’s probably not secure. This leads to using applications such as 1Password to manage very secure passwords for us. It’s not an ideal situation but it works. It works right up until major websites get their databases hacked. Chances are someone has seen one of your beloved passwords before. Take a… Read More

Build an SMS queueing system using Azure and 100 lines of code

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At Twilio we love to help out events by partnering with them to build apps that let the organizers and attendees communicate better. This year, for Silicon Valley Code Camp (SVCC) we partnered with organizer Peter Kellner to build an SMS-powered session change notification system that would alert attendees to sessions that had to be canceled or moved to a different room. The SVCC regularly draws… Read More

Twilio Client for Xamarin – Part 3: Android

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In Part Two of this series we showed how it was possible to create a gigantic phone out of an iPad using Xamarin.iOS and Twilio Client. Almost immediately we got a lot of ‘we were here first’ complaints from Android developers. Can’t we all just get along? Since we don’t play favorites around here, this post will show you how to turn an Android tablet into… Read More

Twilio Client for Xamarin – Part 2: iOS

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In Part 1 of this series, we introduced the Twilio Client for Xamarin and showed how easy it is to add it to your Xamarin.iOS and Xamarin.Android projects. Now that you know how to install the component, let’s build something with it. It seems like everyone these days is walking around with big phones. With Apple’s recent announcement of the iPhone 6 and 6 Plus, iOS… Read More

Send Driving Directions Using Bing Maps and Twilio MMS

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Recently my parents bought themselves a shiny new laptop. They got it home, sat it on their desk and realized that the only display port on the laptop was HDMI. This unfortunately would not work with their external monitor which only had VGA and DVI ports. As the resident family IT guy they called me. I could have ordered the adapter, but I figured going local… Read More

Twilio Client for Xamarin – Part 1: Introduction

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Once upon a time, mobile application development required separate teams working on apps for iOS, Android and Windows Phone. There was very little code or skill sharing between these teams. You built an app for iOS in Objective-C then rebuilt the app for Android in Java and then potentially one more time for Windows Phone using C#. This siloed approach is very unproductive and expensive. Parts… Read More