Developing Android Wear !Apps in C#!

James Montemagno!Developer Evangelist, Xamarin!@JamesMontemagno!

Who is this guy?!

James Montemagno!Developer Evangelist, Xamarin!

@JamesMontemagno !!http://motzcod.es!

MyStepCounterApp.com!

What is Xamarin?!

Automatically test your app on!hundreds of mobile devices !

Create native iOS, Android, Mac and Windows apps in Visual Studio and C#

Xamarin’s Unique Approach!

Native With !Code Sharing!

Anything you can do in Objective-C, Swift, or Java !can be done in C# with Xamarin using Visual Studio!

What is a wearable?!

Current Wearables!

LG G Watch!§  Reference Device!§  $180!§  9 axis Sensor!§  Accelerometer!§  Compass!§  Gryo!

!

Samsung Gear Live!§  Consumer Device !§  $200!§  Sensors:!§  Accelerometer!§  Digital Compass!§  Gyroscope!§  Heart rate monitor!

Moto 360!§  First Circular Device !§  $250!§  Sensors:!§  Pedometer (9-axis)!§  Ambient Light!§  Optical Heart Rate!

Why You Should Care!

How they work!

Bluetooth 4.0 Low Energy!§  Used for all communication!

Android Phone Required!!§  Android 4.3+!§  Android Wear App !§  Bluetooth LE Required!§  http://g.co/WearCheck!

Android Wear!§  Android 4.4W (based of KitKat)!§  No Access To:!§  Android.Webkit!§  Android.Print!§  Android.App.Backup!§  Android.AppWidget!§  Android.Hardware.Usb!

§  Sensor Support!§  Call HasSystemFeature() before using API!

!Notifications!Wear Specific Apps!Companion Apps!!

Notifications!

Notifications - Actions!

§ Custom Actions § Voice Input §  Inbox Style Card

Notifications – Extended

http://www.nuget.org/packages/Xamarin.Android.Support.V4/

Demo!

§ Companion App •  Android app that runs on a wearable

§ New Themes § New UI Widgets •  BoxInsetLayout •  CircledImageView •  WearableListView •  More…

Android Wear – Building Apps

http://www.nuget.org/packages/Xamarin.Android.Wear/

Demo!

Android Wear – Sync Data

http://www.nuget.org/packages/Xamarin.GooglePlayServicesJellyBean/

§  Exposed via Google Play Services •  Data API

o  Sync datastore between phone and wearable § Message API

o  Send small payloads and simple o  communication

Sync Data!

Demo!

Resources!§  Tips for Your First Wear App!§  http://blog.xamarin.com/tips-for-your-first-android-wear-app/!!§  Google Documentation!§  http://developer.android.com/training/building-wearables.html!!§  Samples!§  http://developer.xamarin.com/samples/android/Android%20Wear/!!!!

Seattle Mobile .NET Developers Group!

Meetup.com/SeattleMobileDevelopers!Location: City University (6th and Wall)!

Next Meetup: October 14th !Topic: What’s new in iOS 8 and Android L !

Get Started Today: xamarin.com/download!

Q & A!!Get your free C# t-shirt:!xamarin.com/shirt!

Find Me:!@JamesMontemagno | @XamarinHQ!http://motzcod.es | http://blog.xamarin.com!