Microsoft Corporation

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Duane Walton
6 years ago
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1 Microsoft Corporation

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4 Display 480x800 QVGA Other resolutions in the future Capacitive touch 4+ contact points Sensors A-GPS, Accelerometer, Compass, Light Camera 5+ megapixels Hardware buttons Start, Search, Back Multimedia Codec acceleration Memory 256MB RAM or more 8GB Flash or more GPU DirectX 9 acceleration CPU ARMv7 4

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9 <Grid> <TextBox Text= Hello World" TextChanged= MyMessageChangedHandler"/> </Grid> 10

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11 <Style TargetType="TextBlock" x:key="subheadingtext"> <Setter Property="FontSize Value="42" /> <Setter Property="Foreground Value="Blue" /> </Style> <TextBlock Text= What s up? Style= {StaticResource SubHeadingText} /> 13

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13 <TextBlock Text= {Binding Name} Foreground= {Binding Name, Converter={StaticResource MyPersonForegroundBrushSelector}} /> 15

14 link // Bad for performance NotifyPropertyChanged(()=> FullName); // Good NotifyPropertyChanged( FullName ); // Great NotifyPropertyChanged(PropertyFullName); 16

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24 27 <ListBox.ItemTemplate> <DataTemplate> <StackPanel> <StackPanel Orientation="Horizontal"> <Image Source="{Binding PicSource}" Width="{Binding ApproxWidth}"/> <controls:mypresencecontrol User="{Binding}" OnlineText="{Binding ElementName=Resources, Path=UserOnline, Conve rter={staticresource CurrentCultureConverter}}"/> <TextBlock Text="{Binding Name}" Foreground="{Binding Name, Converter={StaticResource MyNameForegro undconverter}, ConverterParameter='Red,Blue'}"/> </StackPanel> </StackPanel> </DataTemplate> </ListBox.ItemTemplate>

25 <ListBox.ItemTemplate> <DataTemplate> <Grid Height="180"> <Grid.ColumnDefinitions> <ColumnDefinition Width="120"/> <ColumnDefinition Width="80"/> <ColumnDefinition/> </Grid.ColumnDefinitions> <Image Source="{Binding PicSource}" Width="110" Height="110"/> <Image Source="{Binding PresencePic}" Width="70" Height="30" Grid.Column="1" Visibility="{Binding PresenceVisible}"/>  28

26 <ListBox> <ListBox.ItemsPanel> <ItemsPanelTemplate> <StackPanel/> </ItemsPanelTemplate> </ListBox.ItemsPanel> </ListBox> 29

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33 private void Dispatch(Action action) { // No need for a dispatcher invoke, this will be quicker. if (Dispatcher.CheckAccess()) { action(); } else { Dispatcher.BeginInvoke(action); } } 36

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35 BackgroundWorker bw = new BackgroundWorker(); bw.dowork += BackgroundWork; bw.runworkercompleted += (x, xe) => { // This is called on the UI thread }; bw.runworkerasync(); private void BackgroundWork(object sender, DoWorkEventArgs e) { // This is where your background magic happens. } 38

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37 <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition Height="180"/> </Grid.RowDefinitions> <MediaElement Grid.RowSpan="2" Source="/Intro.wmv" AutoPlay="True" Stretch="UniformToFill"/> <Grid Grid.Row="1" Background="Black" Opacity=".6">  </Grid> </Grid> 40

38 MediaPlayerLauncher mediaplayerlauncher = new MediaPlayerLauncher(); mediaplayerlauncher.media = new Uri( Intro.wmv, UriKind.Relative); mediaplayerlauncher.location = MediaLocationType.Data; mediaplayerlauncher.controls = MediaPlaybackControls.Pause MediaPlaybackControls.Stop; mediaplayerlauncher.show(); 41

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42 private void hyperlinkbutton1_click( object sender, RoutedEventArgs e) { NavigationService.Navigate( new Uri("/SecondPage.xaml", UriKind.RelativeOrAbsolute) ); } 45

$private void button1_click( { } object sender,$

43 private void button1_click( { } object sender, RoutedEventArgs e) NavigationService.GoBack(); 46

44 private void passparam_click(object sender, RoutedEventArgs e) { NavigationService.Navigate(new Uri("/SecondPage.xaml?msg=" + textbox1.text, UriKind.Relative)); } protected override void OnNavigatedTo( System.Windows.Navigation.NavigationEventArgs e) { base.onnavigatedto(e); string msg = string.empty; if (NavigationContext.QueryString.TryGetValue("msg", out msg)) textblock1.text = msg; } 48

45 NavigationService.Navigate( new Uri("/SecondPage.xaml+?Param=value", UriKind.RelativeOrAbsolute 49

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47 PortraitOrLandscape Portrait link 52

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50 System Tray and Application Bar SystemTray.IsVisible = false; 55

52 new Uri " "<b>hello JAOO Conference!</b>" 60

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58 Pivot Panorama 66

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67 var devicemem=(long)deviceextendedproperties.getvalue("devicetotalmemory"); var app=(long)deviceextendedproperties.getvalue("applicationcurrentmemoryusage"); var apppeak=(long)deviceextendedproperties.getvalue("applicationpeakmemoryusage"); var managedmemory = GC.GetTotalMemory(false); 75

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76 User exits the application (press back from the first page) Closing event Not running User Starts the application Launching Event Closing Launching Running 84

77 Load state to continue where she left off Press Start Open toast Lock screen Running User is back where she left off Activated Deactivated The application s process is killed (in most cases)* 85 Tombstoned (in most cases) Save state for later use

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82 Launchers PhoneCallTask SearchTask SMSComposeTask WebBrowserTask ComposeTask MarketplaceDetailTask MarketplaceHubTask MarketplaceReviewTask MarketplaceSearchTask MediaPlayerLauncher Choosers CameraCaptureTask AddressChooserTask PhoneNumberChooserTask PhotoChooserTask Save AddressTask SavePhoneNumberTask 95

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84 98 // Declare the PhotoChooserTask object with page scope.

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9.3 Launchers and Choosers. Fast Application Switching and Design. Forcing a Program to be removed from memory

9.3 Launchers and Choosers. Fast Application Switching and Design. Forcing a Program to be removed from memory debugging. If you then press the Back button you will find that the program will resume execution after being reactivated. Forcing a Program to be removed from memory When we are testing your program we