Universal apps on Windows 10 - Deep dive (TechDays Sweden 2015)
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This document provides a deep dive into apps on Windows 10. It discusses the evolution of the Windows platform including Windows Phone, Windows 8, Xbox One, and the convergence into the Universal Windows Platform. It covers topics like universal vs. universal apps, platform extension SDKs, binding vs. x:Bind, live tiles, background triggers, task constraints, extended execution, app interactions, and storage. Links are also provided to additional resources for developing apps for Windows 10.
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Universal apps on Windows 10 - Deep dive (TechDays Sweden 2015)
- 2. Apps on Windows 10 – deep dive Andreas Hammar @andyhammar - andreas.hammar@jayway.com
- 3. Windows Phone 7.5 Windows Phone 8 Windows Phone 8.1 Windows 8 Xbox One Windows on Devices Xbox 360 Windows 8.1 Windows 10 Convergence
- 6. DEMO
- 8. Platform extension SDKs De Phone Device Xbox Device Desktop Device Windows Core Universal Windows Platform Windows App Phone extension Xbox extension Desktop extension
- 11. Basic State Plate App Logo Short Name Plate App Logo Short Name Semi-Live State Plate App Logo Short Name Badge Plate App Logo Short Name Badge Live State Plate App Icon Short Name Badge Content Plate Short Name Badge App Icon Content Live tiles
- 14. Task constraints
- 15. Host tasks in foreground process In-process Simplified communication Shares memory caps Foreground app starts in app.exe Background task starts in app.exe Default process Hosted in separate process Separate memory cap Default process app.exe Core Application Background Task backgroundtaskhost.exe App Container In process app.exe Core Application Background Task backgroundtaskhost.exe App Container
- 17. App interactions Send file token, send data Launch a *specific* app App Services Launch for Results Launch protocol (coolapp://) Launch file (.pdf)
- 18. Storage
- 19. Links A Developer's Guide to Windows 10 https://www.microsoftvirtualacademy.com/en-US/training-courses/a-developer-s-guide-to- windows-10-12618 Building apps for Windows blog https://blogs.windows.com/buildingapps Fody.PropertyChanged https://github.com/Fody/PropertyChanged Windows-XAML/Template10 https://github.com/Windows-XAML/Template10 NotificationsExtensions https://github.com/WindowsNotifications/NotificationsExtensions Windows Dev Center https://dev.windows.com
- 20. Glöm inte att utvärdera sessionen direkt i Microsoft TechDays-appen!
- 21. Questions? Andreas Hammar @andyhammar - andreas.hammar@jayway.com
Editor's Notes
- Me – jayway Mobile solutions Building apps since WPF
- Since then a lot has happened Shared core with 8 Shared app platform with 8.1 Now shared binary and API across ALL devices
- In 8.1, universal meant code sharing via ’shared’ project (=tooling support) In Windows 10, it is one project and one binary
- Devices are arranged in families, code can be adaptive and be enhanced for specific families Feature detection instead of device type checking Can also do family detection NYT – xbox app only shows videos
- Code at: https://github.com/andyhammar/win10apps-deepdive Demo script: DEMO Adaptive (5) Show UI - code, UC and XAML states (wide) Code - Extensions sdk Device family vs feature detect BLEND! Adaptive - visualstates - RelativePanel Win - drag Phone - rotate Separate XAML - same code behind Show folder name XAML (10) x:defer Start narrow - Show crash Can also findName etc in code Show live visual tree - appearing x:Bind Show lists XAML In datatemplate, requires type x:Phase Requires x:Bind Lifecycle/state etc (10) Back handling & button Navigate and show back button Show app.xaml.cs code Show PageBase code Show PageOfNoReturn, tablet mode, phone Caching Wants to keep state - eg list scrolling Edit on child page - show not reloaded Enabled/Required set in ctor, disabled flushes from cache Navi state - suspend/terminated Talk about suspend/terminate Debug - appLaunched - show state load/save Note! On back, page is constructed again Serializable Show Tag code Show tag XAML Run app - show data sent All fine right? Debug location - suspend & terminate Background (10) Background+toast Run app Run app trigger, save note Show bg task - manifest etc Show registration Debug - timer appTrigger - requestasync Show task Toast creation, show xml Toast input handling, show code App trigger - choose "launch" Show debug output - activationkind Custom UI extendedExecution Run - pops toast Show code - suspend App to app Show protocol manifest of mainapp Launch buddy app (protocol) Launch back - ROGUE Show buddyapp code - just URI is not safe New is to launch via PFN - and to launch for results! Show code for LaunchForResults Run - show results Mainapp Debug main app - do not start Activated-show debug output run App service Call - show manifest code etc
- Extensions SDKs allow for features only relevant on a device family – ApiInformation allows for feature detection (eg see of a class is defined)
- But its not just easier to develop, performance is so much better. Remember when VS started using WPF? Text handling had to be totally rewritten! Was so laggy. I was working on a set of OEM apps just when 8.1 came out, and there were talk about 1st party apps being rewritten using the XAML stack (not Silverlight). We had heaps of problems (was early stage), and eventually MSFT never did rewrite those apps – until now! Start menu (core shell) uses XAML, etc etc.
- So – let’s get started building an app! file-new Show files – app, mainpage, nuget Developer unlock Controls Textblock Datepicker Calendarview Manifest General Assets – scaling levels – default Capabilites – internet – eg video lib is for browsing, not ”pick file” Declarations – background tasks Content URIs – to allow javascript communication Packaging – overridden by store association! Create vm Bind