pdc ro 2010 windows phone 7 programming model
TRANSCRIPT
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Welcome!
Windows Phone 7 Programming Model
Catalin GheorghiuI Computer Solutions
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Agenda• What we will not talk about• Application Life Cycle• Navigation• Task Programming Model• Input layout• Performance Tricks• Q&A
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<Application.ApplicationLifetimeObjects> <shell:PhoneApplicationService Launching="Application_Launching" Closing="Application_Closing" Activated="Application_Activated" Deactivated="Application_Deactivated"/> </Application.ApplicationLifetimeObjects>
Application Lifecycle
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Navigation <HyperlinkButton Content="Page 1" NavigateUri="/Page1.xaml" /> <HyperlinkButton Content="P1" NavigateUri="/P1" />
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Task Programming Model• Task– new Task().Show()– Task.Show()
• Choosers– Chooser :
ChooserBase<TaskEventArgs>– event Completed
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Tasks• EmailComposeTask
Use this to allow users to send email from your application• MarketplaceLauncher
Allows an application to launch the Marketplace application• MediaPlayerLauncher
Allows an application to launch the media player• PhoneCallTask
Allows an application to launch the Phone application; use this to allow users to make a phone call from your application
• SearchTask Allows an application to launch the Web Search application
• SmsComposeTask Allows and application to launch the SMS application
• WebBrowserTask Allows an application to launch the Web Browser application
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Choosers
• SaveEmailAddressTask • SavePhoneNumberTask • EmailAddressChooserTask• CaptureCameraTask• PhotoChooserTask
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InputScope<TextBox Height="31" HorizontalAlignment="Left" Margin="16,173,0,0" Name="textBox1" Text="TextBox" VerticalAlignment="Top" Width="449">
<TextBox.InputScope> <InputScope>
<InputScope.Names> <InputScopeName NameValue =
"EmailNameOrAddress“/> </InputScope.Names>
</InputScope> </TextBox.InputScope>
</TextBox>
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Performance Tricks• JPEG vs. PNG• Content vs. Resource• Assembly Loading• LayoutUpdated vs. ctor• Use SplashSxcreenImage.jpg• Animations in CompositorThread
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Frame Rate Counters•Compositor Thread Rate (30<x<=60)•UI Thread Rate (> 20)•Memory Usage for Textures•Number of Surfaces•Number of Implicit Surfaces•Fill Rate Counter (1=480x500)
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• Application Life CycleLaunching, Closing, Activated, Deactivated
• Navigation1.Uri="/JUMP1/{num}" MappedUri="/Page1.xaml?id={num}" 2. <HyperlinkButton NavigateUri="/JUMP1/1/>3. NavigationService.Navigate(new Uri("/Page1.xaml?id=1", UriKind.Relative)5. NavigationContext.QueryString["id"]
• Task Programming ModelChoosers, Launchers
• InputScopeHow and when
• Performance TricksUse JPEG, use Content build action, change Splash, control memory by using of External Content,…
Recap & Q&A
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Resources:• Windows Phone Training Kit
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=ca23285f-bab8-47fa-b364-11553e076a9a
• Damir’s bloghttp://developers.de/blogs/damir_dobric/default.aspx
Contact:• My Blog
http://ronua.ro/CS/blogs/catalin/default.aspx• My Mail