【Windows Phone 8】使用MVVMLight框架

<Application x:Class="MVVMLight学习.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
             xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone" 
             xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:vm="clr-namespace:MVVMLight学习.ViewModel"
             d1p1:Ignorable="d" >
    <!--应用程序资源-->
    <Application.Resources>
        <local:LocalizedStrings xmlns:local="clr-namespace:MVVMLight学习" x:Key="LocalizedStrings" />
        <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" />
    </Application.Resources>
    <Application.ApplicationLifetimeObjects>
        <!--处理应用程序的生存期事件所需的对象-->
        <shell:PhoneApplicationService 
            Launching="Application_Launching" 
            Closing="Application_Closing" 
            Activated="Application_Activated" 
            Deactivated="Application_Deactivated" />
    </Application.ApplicationLifetimeObjects>
</Application>

/*
  In App.xaml:
  <Application.Resources>
      <vm:ViewModelLocator xmlns:vm="clr-namespace:MVVMLight学习"
                           x:Key="Locator" />
  </Application.Resources>
  
  In the View:
  DataContext="{Binding Source={StaticResource Locator}, Path=ViewModelName}"

  You can also use Blend to do all this with the tool‘s support.
  See http://www.galasoft.ch/mvvm
*/

using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Ioc;
using Microsoft.Practices.ServiceLocation;

namespace MVVMLight学习.ViewModel
{
    /// <summary>
    /// This class contains static references to all the view models in the
    /// application and provides an entry point for the bindings.
    /// </summary>
    public class ViewModelLocator
    {
        /// <summary>
        /// Initializes a new instance of the ViewModelLocator class.
        /// </summary>
        public ViewModelLocator()
        {
            ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);

            ////if (ViewModelBase.IsInDesignModeStatic)
            ////{
            ////    // Create design time view services and models
            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
            ////}
            ////else
            ////{
            ////    // Create run time view services and models
            ////    SimpleIoc.Default.Register<IDataService, DataService>();
            ////}

            SimpleIoc.Default.Register<MainViewModel>();
        }

        public MainViewModel Main
        {
            get
            {
                return ServiceLocator.Current.GetInstance<MainViewModel>();
            }
        }

        public static void Cleanup()
        {
            // TODO Clear the ViewModels
        }
    }
}