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Alexandra Marin
May 11, 2017
Programming
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Mobile design patterns
Alexandra Marin
May 11, 2017
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Transcript
Mobile design patterns Alexandra Marin @ ITAKE Unconference 2017 @xmonodev
crossplatform.io
Hello! { } #mobile #designpatterns #itakeunconf crossplatform.io
Design code that runs cross-platform { crossplatform.io } #mobile #designpatterns
#itakeunconf crossplatform.io
Overview { crossplatform.io } #mobile #designpatterns #itakeunconf crossplatform.io
The mobile problem { crossplatform.io } #mobile #designpatterns #itakeunconf
Target universal features { crossplatform.io } #mobile #designpatterns #itakeunconf
Enhance experience based on device capabilities { crossplatform.io } #mobile
#designpatterns #itakeunconf
Platform-independent code with Xamarin { crossplatform.io } #mobile #designpatterns #itakeunconf
Platform-specific code with Xamarin { crossplatform.io } #mobile #designpatterns #itakeunconf
Case study #1: Different capabilities Case study #2: Different platform
{ crossplatform.io } #mobile #designpatterns #itakeunconf
Taking a selfie #mobile #designpatterns #itakeunconf crossplatform.io
{ crossplatform.io } #mobile #designpatterns #itakeunconf Facade design pattern crossplatform.io
//On platform if(deviceHasCamera) { //Take photo via Camera app //Apply
resizing //Save it via File Manager } else { //Choose from gallery } { crossplatform.io } #mobile #designpatterns #itakeunconf crossplatform.io
{ crossplatform.io } #mobile #designpatterns #itakeunconf //Shared code camera.ReturnPhoto(); crossplatform.io
Save the date #mobile #designpatterns #itakeunconf crossplatform.io
Bridge design pattern { crossplatform.io } #mobile #designpatterns #itakeunconf crossplatform.io
{ crossplatform.io } #mobile #designpatterns #itakeunconf //Shared code class MyCalendar
{ ICalendar calendar; void SaveTheDate() { calendar.AddEvent(); } } crossplatform.io
{ crossplatform.io } #mobile #designpatterns #itakeunconf //iOS iOSCalendar : ICalendar
{ AddEvent() { //add event with //EventKit } } crossplatform.io
{ crossplatform.io } #mobile #designpatterns #itakeunconf //Android DroidCalendar : ICalendar
{ AddEvent() { //add event with //CalendarContract } } crossplatform.io
Inversion of Control { crossplatform.io } #mobile #designpatterns #itakeunconf
Service locator { crossplatform.io } #mobile #designpatterns #itakeunconf
//Construct on platform Locator.RegisterType <ICalendar, iOSCalendar>(); //Use in shared code
Locator.Resolve<ICalendar>(); { } #mobile #designpatterns #itakeunconf { crossplatform.io }
Dependency injection { crossplatform.io } #mobile #designpatterns #itakeunconf { crossplatform.io
}
{ crossplatform.io } #mobile #designpatterns #itakeunconf //Construct on platform IoC.RegisterType
<ICalendar, iOSCalendar>(); //Gets injected in shared class constructor public SharedClass(ICalendar cameraHelper) { crossplatform.io }
Summary { crossplatform.io } #mobile #designpatterns #itakeunconf { crossplatform.io }
crossplatform.io
Ask Me Anything crossplatform.io or @xmonodev { crossplatform.io } #mobile
#designpatterns #itakeunconf { crossplatform.io } crossplatform.io