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作者：Daniel Vaughan
介绍
现在我们用Windows Phone 7创造一个益智游戏，使用Silverlight和XNA框架音频API的功能。
入门
安装WP7的工具
安装vs 2010
安装程序将自动下载并安装所需的组件。
如果你想使用的Expression Blend 4 WP7的拓展，下载并安装Expression Blend 。
一旦安装过程完成后，重新启动Visual Studio 2010中。
游戏界面
这是主要的用户界面 PhoneApplicationPage。当你创建一个新的 Windows Phone 应用程序这是默认的代码。
PageOrientation
Windows Phone应用程式中一个重要的问题是与之匹配的布局方向，特别是检测到方向变化时，如何使我们的UI与之匹配。 PhoneApplicationPage有一个可设置的属性命名SupportedOrientations。该枚举值可以是横排(PORTRAIT)或竖排(LANDSCAPE)，或者是PortraitOrLandscape的。分配给它一个值，无论是在XAML或代码中，我们可以控制应用程序如何能变换。我们采用PortraitOrLandscape,因为我希望用户根据自己的意愿自由选择。
一个值得注意的是，从用户代码设置方向是不可能的，因为它被标记为SecurityCritical。
SecurityCritical是大多数Silverlight开发人员熟悉的属性。
请注意，这是Silverlight的安全，并没有具体到 Windows Phone。
从反射，我们可以观察到Page.Orientation不是一个依赖项属性，（也不会引发Page.Orientation PropertyChanged事件），绑定到PhoneApplicationPage属性不会带到其它地方。
方向转换
我们可以简单地在OrientationChanged事件中处理，但我没有简单地这样做，而是在MainPage里创建依赖属性，当OrientationChanged事件发生时被调用。我创建了一个IValueConverter,当Page.Orientation属性改变，改变TextBlock的Visibility。
<TextBlock Visibility="{Binding ElementName=Page, Path=PageOrientation,
Converter={StaticResource OrientationToVisibilityConverter},
ConverterParameter= Landscape}" .../>
public object Convert(object value, Type targetType,
object parameter, CultureInfo culture)
{
var orientation = (PageOrientation)value;
string showWhenOrientation = parameter.ToString().ToLower();
bool show = false;
switch (orientation)
{
case PageOrientation.Portrait:
case PageOrientation.PortraitDown:
case PageOrientation.PortraitUp:
show = showWhenOrientation == "vertical";
break;
case PageOrientation.Landscape:
case PageOrientation.LandscapeLeft:
case PageOrientation.LandscapeRight:
show = showWhenOrientation == "landscape";
break;
}
return show ? Visibility.Visible : Visibility.Collapsed;
}
readonly SoundEffect footStepSoundEffect =
SoundEffect.FromStream(TitleContainer.OpenStream("Audio/Footstep.wav"));
footStepSoundEffect.Play();
<phoneNavigation:PhoneApplicationPage
x:Class="DanielVaughan.Sokoban.UI.MainPage"
x:Name="Page"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:phoneNavigation="clr-namespace:Microsoft.Phone.Controls;
assembly=Microsoft.Phone.Controls.Navigation"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:controls="clr-namespace:DanielVaughan.Sokoban.UI"
mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="800"
SupportedOrientations="PortraitOrLandscape"
FontFamily="{StaticResource PhoneFontFamilyNormal}"
FontSize="{StaticResource PhoneFontSizeNormal}"
Foreground="{StaticResource PhoneForegroundBrush}" Orientation="Landscape">
<phoneNavigation:PhoneApplicationPage.Resources>
<controls:OrientationToVisibilityConverter
x:Key="OrientationToVisibilityConverter" />
<Style x:Key="CenterLabels" TargetType="TextBlock">
<Setter Property="Foreground" Value="White"/>
<Setter Property="FontSize" Value="18"/>
<Setter Property="VerticalAlignment" Value="Center"/>
</Style>
<Style x:Key="ToolBarWebdings" TargetType="Button">
<Setter Property="Background">
<Setter.Value>
<LinearGradientBrush EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#FF9AFF95" Offset="0.21"/>
<GradientStop Color="#FF5DD757" Offset="0.589"/>
<GradientStop Color="#FF99FF93" Offset="1"/>
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter Property="FontFamily" Value="Webdings"/>
<Setter Property="Foreground" Value="White"/>
<Setter Property="Padding" Value="5 "/>
</Style>
<Style x:Key="OrdinaryButton" TargetType="Button">
<Setter Property="Background">
<Setter.Value>
<LinearGradientBrush EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#FF9AFF95" Offset="0.21"/>
<GradientStop Color="#FF5DD757" Offset="0.589"/>
<GradientStop Color="#FF99FF93" Offset="1"/>
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter Property="Foreground" Value="White"/>
<Setter Property="Padding" Value="5 "/>
</Style>
</phoneNavigation:PhoneApplicationPage.Resources>
<Grid x:Name="LayoutRoot" Background="White">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<controls:BackgroundControl Opacity=".3" />
<Border VerticalAlignment="Top" Grid.Row="0" Height="60"
BorderBrush="#FFFFE63E" CornerRadius="10,10,10,10"
BorderThickness="2,2,2,2" Margin="0,0,0,0">
<Border.Background>
<LinearGradientBrush EndPoint="0.5,-1.389"
StartPoint="0.5,2.389" SpreadMethod="Pad">
<GradientStop Color="#FFFF9900" Offset="1"/>
<GradientStop Color="#FFFF9900" Offset="0.58"/>
<GradientStop Color="#FFFFFFFF" Offset="0"/>
</LinearGradientBrush>
</Border.Background>
<Grid>
<Rectangle Stroke="{x:Null}" Margin="5,3,5,18"
RadiusX="10" RadiusY="10" Opacity="0.41">
<Rectangle.Fill>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFECECEC" Offset="0"/>
<GradientStop Color="#FFFFFFFF" Offset="1"/>
</LinearGradientBrush>
</Rectangle.Fill>
</Rectangle>
<StackPanel Height="50" x:Name="stackPanel1" Margin="15,0,5,0"
VerticalAlignment="Center" HorizontalAlignment="Stretch"
Width="Auto" Orientation="Horizontal">
<TextBlock VerticalAlignment="Center"
Foreground="White" Text="Code:" TextWrapping="Wrap"/>
<TextBox Text="{Binding Path=LevelCode, Mode=OneWay}"
x:Name="textBox_LevelCode" MaxLength="5"
Opacity="0.4" Width="110" TextAlignment="Center"
VerticalAlignment="Center"
HorizontalContentAlignment="Center"
GotFocus="TextBox_LevelCode_GotFocus"
LostFocus="TextBox_LevelCode_LostFocus"
KeyUp="TextBox_LevelCode_KeyUp"
Background="White" />
<Button Style="{StaticResource ToolBarWebdings}"
Margin="0,-10,0,0" Height="10" Content=""
Click="Button_Undo_Click"/>
<Button Style="{StaticResource ToolBarWebdings}"
Margin="0,-10,0,0" Height="10" Content=""
Click="Button_Redo_Click"/>
<TextBlock Visibility="{Binding ElementName=Page,
Path=PageOrientation,
Converter={StaticResource OrientationToVisibilityConverter},
ConverterParameter=Landscape}"
VerticalAlignment="Center" HorizontalAlignment="Center"
TextAlignment="Center" Foreground="White"
Text="Alien Sokoban"
FontFamily="Tahoma" FontSize="36" Margin="45,0,0,0"/>
</StackPanel>
<Grid HorizontalAlignment="Right">
<StackPanel Orientation="Horizontal">
<StackPanel VerticalAlignment="Center">
<StackPanel Orientation="Horizontal">
<TextBlock Style="{StaticResource CenterLabels}"
Text="Level "/>
<TextBlock x:Name="label_LevelNumber"
Style="{StaticResource CenterLabels}"
Text="{Binding Path=Level.LevelNumber}"/>
<TextBlock Style=
"{StaticResource CenterLabels}" Text="/"/>
<TextBlock Style="{StaticResource CenterLabels}"
Text="{Binding Path=LevelCount}"/>
</StackPanel>
<StackPanel Orientation="Horizontal">
<TextBlock Style="{StaticResource CenterLabels}"
Text="Moves "/>
<TextBlock x:Name="label_Moves"
Style="{StaticResource CenterLabels}"
Text="{Binding Path=Level.Actor.MoveCount}"/>
</StackPanel>
</StackPanel>
<Button Style="{StaticResource ToolBarWebdings}"
Margin="0,-8,0,0"
Height="10" x:Name="button_RestartLevel" Width="80"
Click="Button_RestartLevel_Click"
IsTabStop="False" Content=""
HorizontalAlignment="Right" >
<ToolTipService.ToolTip>
<ToolTip Content="Restart"></ToolTip>
</ToolTipService.ToolTip>
</Button>
</StackPanel>
</Grid>
</Grid>
</Border>
<!-- The Game grid. -->
<Border Grid.Row="1" Padding="5" BorderBrush="#919292" CornerRadius="12"
BorderThickness="0" Background="Transparent">
<Grid x:Name="grid_Game" />
</Border>
<Grid x:Name="textBlock_PressAnyKey"
Background="#006DCAC1"
HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Grid.RowSpan="2">
<StackPanel VerticalAlignment="Center" HorizontalAlignment="Stretch"
Background="#556DCAC1">
<TextBlock x:Name="feedbackControl"
VerticalAlignment="Center"
HorizontalAlignment="Center" Text="TextBlock" FontSize="32"/>
<Button Style="{StaticResource OrdinaryButton}" Content="Continue"
VerticalAlignment="Center" HorizontalAlignment="Center"
Click="Button_Continue_Click"/>
</StackPanel>
</Grid>
</Grid>
</phoneNavigation:PhoneApplicationPage>
void InitialiseLevel()
{
cellControls.Clear();
commandManager.Clear();
grid_Game.Children.Clear();
grid_Game.RowDefinitions.Clear();
grid_Game.ColumnDefinitions.Clear();
for (int i = 0; i < Game.Level.RowCount; i++)
{
grid_Game.RowDefinitions.Add(new RowDefinition());
}
for (int i = 0; i < Game.Level.ColumnCount; i++)
{
grid_Game.ColumnDefinitions.Add(new ColumnDefinition());
}
var cellSize = CalculateCellSize();
for (int row = 0; row < Game.Level.RowCount; row++)
{
for (int column = 0; column < Game.Level.ColumnCount; column++)
{
Cell cell = Game.Level[row, column];
cell.PropertyChanged += cell_PropertyChanged;
CellControl cellControl = new CellControl(cell);
cellControl.MaxHeight = cellControl.MaxWidth = cellSize;
cellControl.Click += Cell_Click;
Grid.SetColumn(cellControl, column);
Grid.SetRow(cellControl, row);
grid_Game.Children.Add(cellControl);
cellControls.Add(cellControl);
}
}
/* Play the intro audio clip. */
PlayAudioClip(introSoundEffect);
/* Listen for actor property changes. */
//Game.Level.Actor.PropertyChanged += Actor_PropertyChanged;
RefreshGameGrid();
}
<TextBox>
<TextBox.InputScope>
<InputScope>
<InputScope.Names>
<InputScopeName NameValue="EmailNameOrAddress"/>
</InputScope.Names>
</InputScope>
</TextBox.InputScope>
</TextBox>
| SIP 布局 | XAML 或枚举值 | SIP 描述 |
| Default | Default, and other standard input scope values | 标准 QWERTY 键盘 |
| Text | Text |
带特性的text，如自动更正和单词建议。 |
| Web | Url |
URL |
| E-mail address | EmailSmtpAddress |
e-mail 地址 |
| E-mail name or address | EmailNameOrAddress |
电子邮件名称或地址 |
| Maps | Maps |
搜索在地图上的位置 |
| Phone number | TelephoneNumber |
电话号码 |
| Search | Search |
搜索查询 |
| SMS contact | NameOrPhoneNumber |
短信 |
| Chat | Chat |
文字输入，使用智能功能，如缩写 |
结论
在这篇文章中，我们已经看到了如何使用Silverlight 3创建一个Windows Phone益智游戏。 我们看到了PageOrientation和如何将其应用于控制布局。 我们根据上下文可以选择不同的键盘，我们还简要接触了XNA Framework的音频API，它可以用来播放声音效果。
这个平台的未来，我很兴奋。 花费了一个短暂的时间后，我已经有宾至如归的感觉。 我希望这个项目对你非常有用。 如果是的话，那么我会很感激，如果你能反馈一下，这会帮助我，使我的下一篇文章更好。
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