Get a flying start with Windows Phone 7 - NDC2010

GET A FLYING START WITH WP7

JONAS FOLLESØ[email protected]

http://jonas.follesoe.no@follesoe

ABOUT ME



AGENDA:- TDD- RX & ASYNC- MVVM & IOC- BLEND 4- LOCATION- NOTIFICATION

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KNOW SILVERLIGHT?

THEN YOU KNOW WP7!

FLIGHTS NORWAY

MONITORARRIVALS AND

DEPARTURES

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FLIGHTS NORWAY

WHAT WE ARE GOING TO

BUILD

TDD

FUNDAMENTALPRACTICE

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WP7SILVERLIGHT 3

.NET 4.0

3 RUNTIMESMAKES

THINGS HARD

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• Unit Testing and TDD is a waste of time

• Silverlight Unit Test Framework from

Microsoft

• Silverlight Port of NUnit

• Assembly Sharing

• Other

9

13

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Sales

Waste of Time

SLUT

Nunit

Other

Assembly Shar-ing

TDD IS ALL ABOUT

FLOW

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FASTER FEEDBACK CYCLE FOR

SILVERLIGHT TDD

TDDDEMO

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RESTSERVICES

WITH FLIGHT INFORMATION

http://flydata.avinor.no/http://open.bekk.no/2009/12/13/hva-skjer-nar-man-gir-bort-flydata-gratis/

http://flydata.avinor.no/XmlFeed.asp?airport=OSL<?xml version="1.0" encoding="iso-8859-1"?><airport name="OSL"> <flights lastUpdate="2010-06-14T06:29:12"> <flight uniqueID="1054121"> <airline>DY</airline> <flight_id>DY422</flight_id> <dom_int>D</dom_int> <schedule_time>2010-06-12T08:55:00</schedule_time> <arr_dep>D</arr_dep> <airport>MOL</airport> </flight> </flights></airport>

http://flydata.avinor.no/airlineNames.asp

<?xml version="1.0" encoding="iso-8859-1"?><airlineNames> <airlineName code="AA" name="American Airlines"/> <airlineName code="AAF" name="Aigle Azur"/> <airlineName code="AAG" name="Atlantic Airlines"/> <airlineName code="AAT" name="Austrian Airtransport"/> </airlineNames>

http://flydata.avinor.no/airportNames.asp

<?xml version="1.0" encoding="iso-8859-1"?><airportNames> <airportName code="OSD" name="Østersund"/> <airportName code="OSH" name="Oshkosh"/> <airportName code="OSI" name="Osijek"/> <airportName code="OSK" name="Oskarshamn"/> <airportName code="OSL" name="Oslo"/> </airportNames>

http://flydata.avinor.no/flightStatuses.asp

<?xml version="1.0" encoding="iso-8859-1"?><flightStatuses> <flightStatus code="N" statusTextEn="New info" /> <flightStatus code="E" statusTextEn="New time" /> <flightStatus code="D" statusTextEn="Departed" /> <flightStatus code="A" statusTextEn="Arrived" /> <flightStatus code="C" statusTextEn="Cancelled" /></flightStatuses>

ALL NETWORKING

IN SILVERLIGHT IS

ASYNCHRONOUS

RX

MAKING ASYNC

PROGRAMMING

LESS DIFFICULT

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COMPOSING ASYNCHRONOU

S AND EVENT-BASED

PROGRAMS USING

OBSERVABLE COLLECTIONS

var move = Observable.FromEvent(LayoutRoot, "MouseMove");var down = Observable.FromEvent(LayoutRoot, "MouseLeftButtonDown");var up = Observable.FromEvent(LayoutRoot, "MouseLeftButtonUp");

IObservable<Point> whereUserIsDragging = move.SkipUntil(down) .TakeUntil(up) .Repeat() .Select(e => e.EventArgs.GetPosition(LayoutRoot));

whereUserIsDragging.Subscribe(p => Paint(p.X, p.Y));

RX DEMO

MVVM

PATTERN FOR BINDABLE UI

Data Model

VIEW

XAML

Code-BehindEvent

Handlers

APP LOGIC IN CODE BEHIND IS HARD TO TEST

AND MAINTAIN

Data Model

VIEW

XAML

Code-Behind

VIEW MODEL

State + Operations

Change notification

Data-binding and commands

SEPARATE USINGMVVM

COMMUNICATION

App Service

View Model

App Service View Model

View Model

View Model

View Model View Model

EVENT AGGREGATOR

App Service

App Service


View Model

View Model


Event Aggregator

Message

VIEW MODEL COMMUNICATION

Data Model

View

XAML

Code-Behin

d

Data Model

View

XAML

Code-Behind

Message

View Model

State + Operations

View Model

State + Operations

View

XAML

Code-Behind

View Model

State + Operations

Publish messages

Subscribe to messages

Event Aggregator

MVVM SHOULD BE LIGHT WEIGHT

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http://mvvmlight.codeplex.com/

MVVM DEMO

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DI

KEEP THINGS SEPARATE

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More in-depth information:The Dependency Inversion Principle Applied

Fredrik Kalseth, Friday 10:20

DI LETS YOU INJECT

EXTERNALDEPENDENCIE

S

IMPORTANT TECHNIQUE ON WP7 TO

SIMULATE SENSORS

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ISOLATED STORAGE

FOR SIMPLE DATA STORAGE

NOSQLFOR WP7?

DI &ISOLATED STORAGE

DEMO

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METRO DESIGN

LANGUAGE

PIVOT CONTROL

HUB CONTROL

BLEND 4DEMO

LOCATION AWARENESSIS KEY WHEN

ON THE GO

SAME API IN .NET 4 &

WP7

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LOCATION AWARENESS

DEMO

PUSH NOTIFICATIONS

KEEP YOU INFORMED

WP7 PUSH NOTIFICATIONS

Microsoft Push

Notification

Services

Your Web Applicatio

n

PUSH CLIENT

Notification Namespaces

Push Library

Your WP Application

1Open Channel

2 Hand off channel

URL

3 Pushmessage

4Push message

PUSH NOTIFICATION

S DEMO

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SUMMARY:- TDD- RX & ASYNC- MVVM & IOC- BLEND 4- LOCATION- NOTIFICATION

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FORK ME ON GITHUB

http://github.com/follesoe/FlightsNorway

THANKS!



Get a flying start with Windows Phone 7 - NDC2010

Technology

Transcript of Get a flying start with Windows Phone 7 - NDC2010