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Como usar Cimbalino Windows Phone Toolkit UserInfo - UserExtendedPropertiesService

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Este artigo tem como objetivo mostrar como usar Cimbalino Windows Phone Toolkit UserInfo – UserExtendedPropertiesService.

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Article Metadata

Exemplo de código
Testado com
SDK: Windows Phone 8.0 SDK, Windows Phone 7.1.1. SDK
Aparelho(s): Lumia 800, Lumia 920

Compatibilidade
Platform Security
Capabilities: ID_CAP_IDENTITY_USER

Artigo
Tradução:
Por saramgsilva
Última alteração feita por hamishwillee em 06 Dec 2013

Contents

Introdução

Cimbalino Windows Phone Toolkit é um conjunto de itens uteis e poderosos para ajudar na implementação de aplicações Windows Phone. Projeto base do toolkit contendo serviços para implementação do padrão de MVVM, conversores, classes auxiliares, métodos de extensões;

Cimbalino.Phone.Toolkit.UserInfo - Projeto do toolkit contendo serviços para implementação do padrão de MVVM com acesso à informação do utilizador.

Note.pngNote: é preciso definir a capacidade ID_CAP_IDENTITY_USER no ficheiro manifest.

Contruindo o exemplo

O código fonte pode ser obtido em Exemplo UserExtendedPropertiesService(github).

Os pacotes estão disponíveis em Nuget Package Manager (para ambos os "targets") e podem ser instalados, para mais detalhes consultar: Como instalar os pacotes Cimbalino Windows Phone Toolkit. O exemplo deste artigo usa MVVM Light para ajudar na implementação do padrão MVVM, para mais detalhes consultar:

Registando os serviços

Devemos começar por registar cada serviço no ViewModelLocator, como podemos ver de seguida:

  1.     /// This class contains static references to all the view models in the
  2.     /// application and provides an entry point for the bindings.
  3.     public class ViewModelLocator
  4.     {
  5.         /// Initializes a new instance of the ViewModelLocator class.
  6.         public ViewModelLocator()
  7.         {
  8.             ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
  9.              if (!SimpleIoc.Default.IsRegistered<IUserExtendedPropertiesService>())
  10.             {
  11.                SimpleIoc.Default.Register<IUserExtendedPropertiesService, UserExtendedPropertiesService>();
  12.              }  
  13.             SimpleIoc.Default.Register<MainViewModel>();
  14.         }
  15.  
  16.         public MainViewModel MainViewModel
  17.         {
  18.             get
  19.             {
  20.                 return ServiceLocator.Current.GetInstance<MainViewModel>();
  21.             }
  22.         }
  23.  
  24.         public static void Cleanup()
  25.         {
  26.             // TODO Clear the ViewModels
  27.         }
  28.     }

Implementando a ViewModel

Em seguinda devemos implementar o MainViewModel, como podemos ver de seguida:

  1. using Cimbalino.Phone.Toolkit.Services;
  2.  
  3.     /// This class contains properties that the main View can data bind to.
  4.     public class MainViewModel : ViewModelBase
  5.     {
  6.         /// The user extended properties service
  7.         private readonly IUserExtendedPropertiesService _userExtendedPropertiesService;
  8.  
  9.         /// Initializes a new instance of the MainViewModel class.
  10.         public MainViewModel(IUserExtendedPropertiesService userExtendedPropertiesService)
  11.         {
  12.             _userExtendedPropertiesService = userExtendedPropertiesService;
  13.         }
  14.  
  15.         /// Gets the anonymous user identifier.
  16.         public string AnonymousUserID
  17.         {
  18.             get
  19.             {
  20.                 return _userExtendedPropertiesService.AnonymousUserID;
  21.             }
  22.         }
  23.     }

Implementando a View

A MainPage.xaml será algo do género:

  1. <phone:PhoneApplicationPage x:Class="CimbalinoSample.MainPage"
  2.                             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  3.                             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  4.                             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
  5.                             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
  6.                             xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
  7.                             xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
  8.                             DataContext="{Binding MainViewModel,
  9.                                                   Source={StaticResource Locator}}"
  10.                             FontFamily="{StaticResource PhoneFontFamilyNormal}"
  11.                             FontSize="{StaticResource PhoneFontSizeNormal}"
  12.                             Foreground="{StaticResource PhoneForegroundBrush}"
  13.                             Orientation="Portrait"
  14.                             SupportedOrientations="Portrait"
  15.                             shell:SystemTray.IsVisible="True"
  16.                             mc:Ignorable="d">
  17.  
  18.     <!--  LayoutRoot is the root grid where all page content is placed  -->
  19.     <Grid x:Name="LayoutRoot" Background="Transparent">
  20.         <Grid.RowDefinitions>
  21.             <RowDefinition Height="Auto" />
  22.             <RowDefinition Height="*" />
  23.         </Grid.RowDefinitions>
  24.  
  25.         <!--  TitlePanel contains the name of the application and page title  -->
  26.         <StackPanel x:Name="TitlePanel"
  27.                     Grid.Row="0"
  28.                     Margin="12,17,0,28">
  29.             <TextBlock Margin="12,0"
  30.                        Style="{StaticResource PhoneTextTitle2Style}"
  31.                        Text="Cimbalino Sample" />
  32.             <TextBlock Margin="9,-7,0,0"
  33.                        Style="{StaticResource PhoneTextTitle2Style}"
  34.                        Text="UserExtendedPropertiesService" />
  35.         </StackPanel>
  36.  
  37.         <!--  ContentPanel - place additional content here  -->
  38.         <Grid x:Name="ContentPanel"
  39.               Grid.Row="1"
  40.               Margin="12,0,12,0" >
  41.             <TextBlock TextWrapping="Wrap">Anonymous User ID : <Run Text="{Binding AnonymousUserID}"/></TextBlock>    
  42.         </Grid>
  43.  
  44.     </Grid>
  45.  
  46. </phone:PhoneApplicationPage>
This page was last modified on 6 December 2013, at 03:26.
271 page views in the last 30 days.

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