重新想象 Windows 8 Store Apps (30)

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重新想象 Windows 8 Store Apps (30) - 信息: 获取包信息, 系统信息, 硬件信息, PnP信息, 常用设备信息　　
作者：webabcd

介绍
重新想象 Windows 8 Store Apps 之 信息

• 获取包信息
  
• 获取系统信息
  
• 获取硬件信息
  
• 获取即插即用（PnP: Plug and Play）的设备的信息
  
• 获取常用设备信息
  

　　
示例
1、演示如何获取 app 的 package 信息
Information/PackageInfo.xaml.cs



/*
* 演示如何获取 app 的 package 信息
*/
using System;
using Windows.ApplicationModel;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;
namespace XamlDemo.Information
{
public sealed partial class PackageInfo : Page
{
public PackageInfo()
{
this.InitializeComponent();
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
Package package = Package.Current;
PackageId packageId = package.Id;
lblMsg.Text = "Name: " + packageId.Name; // 包名
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "Version: " + packageId.Version; // 版本信息
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "Architecture: " + packageId.Architecture; // 支持的 cpu 类型（X86, Arm, X64, Neutral(均支持), Unknown）
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "Publisher: " + packageId.Publisher; // 发布者
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "PublisherId: " + packageId.PublisherId; // 发布者 id
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "FullName: " + packageId.FullName; // 包全名（Name + Version + Architecture + PublisherId）
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "FamilyName: " + packageId.FamilyName; // 包系列名（Name + PublisherId）
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "Installed Location Path: " + package.InstalledLocation.Path; // 包的安装路径
        }
}
}
　　
2、演示如何获取系统的相关信息
Information/SystemInfo.xaml.cs



/*
* 演示如何获取系统的相关信息
*/
using System;
using System.Globalization;
using System.Threading.Tasks;
using Windows.Devices.Enumeration.Pnp;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;
using System.Linq;
namespace XamlDemo.Information
{
public sealed partial class SystemInfo : Page
{
public SystemInfo()
{
this.InitializeComponent();
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
lblMsg.Text += "CPU 核心数量：" + Environment.ProcessorCount.ToString();
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "系统自上次启动以来所经过的毫秒数：" + Environment.TickCount;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "当前语言：" + CultureInfo.CurrentCulture.DisplayName;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "当前时间：" + DateTime.Now.ToString("yyyy年MM月dd日 HH:mm:ss") + " 星期" + "日一二三四五六七".Substring((int)DateTime.Now.DayOfWeek, 1);
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "当前时区：" + "UTC" + DateTimeOffset.Now.ToString("%K");
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "当前系统版本号：" + (await GetWindowsVersionAsync()).ToString();
}
#region 获取当前系统版本号，摘自：http://attackpattern.com/2013/03/device-information-in-windows-8-store-apps/
public static async Task GetWindowsVersionAsync()
{
var hal = await GetHalDevice(DeviceDriverVersionKey);
if (hal == null || !hal.Properties.ContainsKey(DeviceDriverVersionKey))
return null;
var versionParts = hal.Properties[DeviceDriverVersionKey].ToString().Split('.');
return string.Join(".", versionParts.Take(2).ToArray());
}
private static async Task GetHalDevice(params string[] properties)
{
var actualProperties = properties.Concat(new[] { DeviceClassKey });
var rootDevices = await PnpObject.FindAllAsync(PnpObjectType.Device,
actualProperties, RootQuery);
foreach (var rootDevice in rootDevices.Where(d => d.Properties != null && d.Properties.Any()))
{
var lastProperty = rootDevice.Properties.Last();
if (lastProperty.Value != null)
if (lastProperty.Value.ToString().Equals(HalDeviceClass))
return rootDevice;
}
return null;
}
const string DeviceClassKey = "{A45C254E-DF1C-4EFD-8020-67D146A850E0},10";
const string DeviceDriverVersionKey = "{A8B865DD-2E3D-4094-AD97-E593A70C75D6},3";
const string RootContainer = "{00000000-0000-0000-FFFF-FFFFFFFFFFFF}";
const string RootQuery = "System.Devices.ContainerId:=\"" + RootContainer + "\"";
const string HalDeviceClass = "4d36e966-e325-11ce-bfc1-08002be10318";
#endregion
}
}
　　
3、演示如何获取硬件相关的信息
Information/HardwareInfo.xaml.cs



/*
* 演示如何获取硬件相关的信息
*/
using System;
using Windows.Security.ExchangeActiveSyncProvisioning;
using Windows.Storage.Streams;
using Windows.System.Profile;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;
namespace XamlDemo.Information
{
public sealed partial class HardwareInfo : Page
{
public HardwareInfo()
{
this.InitializeComponent();
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
HardwareToken hardwareToken = HardwareIdentification.GetPackageSpecificToken(null);
lblMsg.Text = "Id: " + Buffer2Base64(hardwareToken.Id); // 硬件 ID
lblMsg.Text += Environment.NewLine;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "Signature: " + Buffer2Base64(hardwareToken.Signature); // 硬件签名
lblMsg.Text += Environment.NewLine;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "Certificate: " + Buffer2Base64(hardwareToken.Certificate); // 硬件证书
lblMsg.Text += Environment.NewLine;
lblMsg.Text += Environment.NewLine;

EasClientDeviceInformation easClientDeviceInformation = new EasClientDeviceInformation();
lblMsg.Text += "Id: " + easClientDeviceInformation.Id; // 设备 ID
lblMsg.Text += Environment.NewLine;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "FriendlyName: " + easClientDeviceInformation.FriendlyName; // 计算机名
lblMsg.Text += Environment.NewLine;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "OperatingSystem: " + easClientDeviceInformation.OperatingSystem; // 操作系统
lblMsg.Text += Environment.NewLine;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "SystemManufacturer: " + easClientDeviceInformation.SystemManufacturer; // 设备的制造商
lblMsg.Text += Environment.NewLine;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "SystemProductName: " + easClientDeviceInformation.SystemProductName; // 设备的产品名
        }
private string Buffer2Base64(IBuffer buffer)
{
using (var dataReader = DataReader.FromBuffer(buffer))
{
try
{
var bytes = new byte[buffer.Length];
dataReader.ReadBytes(bytes);
return Convert.ToBase64String(bytes);
}
catch (Exception ex)
{
return ex.ToString();
}
}
}
}
}
　　
4、演示如何获取即插即用（PnP: Plug and Play）的设备的相关信息
Information/PnpObjectInfo.xaml




















　　Information/PnpObjectInfo.xaml.cs



/*
* 演示如何获取即插即用（PnP: Plug and Play）的设备的相关信息
*/
using System;
using Windows.Devices.Enumeration.Pnp;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;
namespace XamlDemo.Information
{
public sealed partial class PnpObjectInfo : Page
{
public PnpObjectInfo()
{
this.InitializeComponent();
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
listBox.Items.Clear();
string[] properties = { "System.ItemNameDisplay", "System.Devices.Manufacturer", "System.Devices.ModelName", "System.Devices.Connected" };
// 通过 PnpObject.FindAllAsync() 获取所有 PnP 设备的指定的信息（更多的属性名称请参见：http://technet.microsoft.com/zh-cn/library/hh464997.aspx）
var containers = await PnpObject.FindAllAsync(PnpObjectType.DeviceContainer, properties);
// 显示获取到的 PnP 设备的相关信息
foreach (PnpObject container in containers)
{
listBox.Items.Add(new DisplayItem(container));
}
}
///
/// 用于保存 PnP 设备的相关信息
///
class DisplayItem
{
public string Id { get; private set; }
public string Name { get; private set; }
public string Properties { get; private set; }
public DisplayItem(PnpObject container)
{
// 该 PnpObject 的名称
Name = (string)container.Properties["System.ItemNameDisplay"];
if (string.IsNullOrWhiteSpace(Name))
Name = "未知";
// 该 PnpObject 的标识
Id = "Id: " + container.Id;
// 该 PnpObject 的信息
foreach (var property in container.Properties)
{
Properties += property.Key + " = " + property.Value + "\n";
}
}
}
}
}
　　
5、演示如何获取常用设备的相关信息
Information/DeviceInfo.xaml






























　　Information/DeviceInfo.xaml.cs



/*
* 演示如何获取常用设备的相关信息
*/
using System;
using Windows.Devices.Enumeration;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media.Imaging;
using Windows.UI.Xaml.Navigation;
namespace XamlDemo.Information
{
public sealed partial class DeviceInfo : Page
{
public DeviceInfo()
{
this.InitializeComponent();
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
listBox.Items.Clear();
// {0ECEF634-6EF0-472A-8085-5AD023ECBCCD} - 打印设备
// {E5323777-F976-4F5B-9B55-B94699C46E44} - 摄像设备
// {6AC27878-A6FA-4155-BA85-F98F491D4F33} - 便携设备
// 通过 DeviceInformation.FindAllAsync() - 获取指定类型的设备信息
var interfaces = await DeviceInformation.FindAllAsync("System.Devices.InterfaceClassGuid:=\"{6AC27878-A6FA-4155-BA85-F98F491D4F33}\"", null); // 获取全部便携设备的设备信息
// var interfaces = await DeviceInformation.FindAllAsync(DeviceClass.AudioRender); // 通过 DeviceClass 枚举获取指定类型的设备信息
// 显示获取到的常用设备的相关信息
foreach (DeviceInformation deviceInterface in interfaces)
{
DeviceThumbnail thumbnail = await deviceInterface.GetThumbnailAsync();
DeviceThumbnail glyph = await deviceInterface.GetGlyphThumbnailAsync();
listBox.Items.Add(new DisplayItem(deviceInterface, thumbnail, glyph));
}
// 创建一个 DeviceWatcher 对象以便在设备发生变化时收到通知
DeviceWatcher deviceWatcher = DeviceInformation.CreateWatcher();
// DeviceWatcher 的相关事件有：Added, EnumerationCompleted, Removed, Stopped, Updated
// DeviceWatcher 的相关方法有：Start(), Stop()
// DeviceWatcher 的相属性件有：Status（一个 DeviceWatcherStatus 类型的枚举）
        }

///
/// 用于保存常用设备的相关信息
///
class DisplayItem
{
public string Name { get; private set; }
public string Id { get; private set; }
public string IsEnabled { get; private set; }
public BitmapImage Thumbnail { get; private set; }
public BitmapImage GlyphThumbnail { get; private set; }
public DisplayItem(DeviceInformation deviceInterface, DeviceThumbnail thumbnail, DeviceThumbnail glyph)
{
// 设备名称
Name = (string)deviceInterface.Properties["System.ItemNameDisplay"];
// 设备标识
Id = "ID: " + deviceInterface.Id;
// 设备是否已启用
IsEnabled = "IsEnabled: " + deviceInterface.IsEnabled;
// 设备缩略图
Thumbnail = new BitmapImage();
Thumbnail.SetSource(thumbnail);
// 设备图标
GlyphThumbnail = new BitmapImage();
GlyphThumbnail.SetSource(glyph);
}
}
}
}
　　
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