http://blog.csdn.net/wangrenzhu2011/article/details/8175492 (转)
在metro 风格中 动态磁贴是他的精髓
在wp7 的开发中 我们可以使用hubtile 来制作类似效果
但是在 win8 中并不具备这个功能,
下面我们来通过扩展GridViewItem 来实现 PictureHubTile
- <GridViewItem
- x:Class="App1.HubTile"
- xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
- xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
- xmlns:local="using:App1"
- xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
- xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
- mc:Ignorable="d"
- x:Name="gridViewItem"
- d:DesignHeight="150"
- d:DesignWidth="150">
- <GridViewItem.Resources>
- <Storyboard x:Name="UpperSecStoryboard">
- <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="SecImg">
- <SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="-150" KeySpline="0.29,0.88,0,1"/>
- </DoubleAnimationUsingKeyFrames>
- <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="FirstImg">
- <SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="150" KeySpline="1,0,1,0"/>
- </DoubleAnimationUsingKeyFrames>
- </Storyboard>
- <Storyboard x:Name="UpperFirstStoryboard">
- <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="SecImg">
- <SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="0" KeySpline="1,0,1,0"/>
- </DoubleAnimationUsingKeyFrames>
- <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="FirstImg">
- <SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="0" KeySpline="0.29,0.88,0,1"/>
- </DoubleAnimationUsingKeyFrames>
- </Storyboard>
- </GridViewItem.Resources>
- <Grid Width="{Binding Width, ElementName=gridViewItem}" Height="{Binding Height, ElementName=gridViewItem}">
- <Canvas x:Name="PART_LayoutRoot" >
- <StackPanel x:Name="PART_Panel">
- <Canvas
- Height="{Binding Height, ElementName=gridViewItem}"
- x:Name="FirstImg">
- <Grid x:Name="PART_FirstContent">
- <Image x:Name="Img1"
- Width="{Binding Width, ElementName=gridViewItem}"
- Height="{Binding Height, ElementName=gridViewItem}"
- Stretch="UniformToFill" VerticalAlignment="Center">
- </Image>
- </Grid>
- <Canvas.RenderTransform>
- <CompositeTransform/>
- </Canvas.RenderTransform>
- </Canvas>
- <Canvas
- x:Name="SecImg"
- Height="{Binding Height, ElementName=gridViewItem}">
- <Grid x:Name="SecGrid" Background="Red">
- <Image x:Name="Img2"
- Width="{Binding Width, ElementName=gridViewItem}"
- Height="{Binding Height, ElementName=gridViewItem}"
- Stretch="UniformToFill" VerticalAlignment="Center">
- </Image>
- </Grid>
- <Canvas.RenderTransform>
- <CompositeTransform/>
- </Canvas.RenderTransform>
- </Canvas>
- </StackPanel>
- </Canvas>
- <ContentPresenter Content="1111" VerticalAlignment="Bottom" HorizontalAlignment="Stretch" x:Name="PART_Title" Margin="0,0,10,7" />
- </Grid>
- </GridViewItem>
- using System;
- using System.Collections.Generic;
- using System.Collections.ObjectModel;
- using System.Diagnostics;
- using System.IO;
- using System.Linq;
- using Windows.Foundation;
- using Windows.Foundation.Collections;
- using Windows.UI.Xaml;
- using Windows.UI.Xaml.Controls;
- using Windows.UI.Xaml.Controls.Primitives;
- using Windows.UI.Xaml.Data;
- using Windows.UI.Xaml.Input;
- using Windows.UI.Xaml.Media;
- using Windows.UI.Xaml.Media.Animation;
- using Windows.UI.Xaml.Media.Imaging;
- using Windows.UI.Xaml.Navigation;
- using WinRTXamlToolkit.AwaitableUI;
- using WinRTXamlToolkit.Imaging;
- // “用户控件”项模板在 http://go.microsoft.com/fwlink/?LinkId=234236 上提供
- namespace App1
- {
- public sealed partial class HubTile : GridViewItem
- {
- #region propdp
- #region ImgList
- public List<string> ImgList
- {
- get { return (List<string>)GetValue(ImgListProperty); }
- set { SetValue(ImgListProperty, value); }
- }
- // Using a DependencyProperty as the backing store for ImgList. This enables animation, styling, binding, etc...
- public static readonly DependencyProperty ImgListProperty =
- DependencyProperty.Register(
- "ImgList",
- typeof(List<string>),
- typeof(HubTile),
- new PropertyMetadata(null, OnImgListChanged));
- private static void OnImgListChanged(
- DependencyObject d, DependencyPropertyChangedEventArgs e)
- {
- var target = (HubTile)d;
- }
- #endregion
- #endregion
- public HubTile()
- {
- this.InitializeComponent();
- DispatcherTimer timer = new DispatcherTimer();
- int index = 0;
- bool isFirst = true;
- Storyboard storySec = null;
- Storyboard storyFir = null;
- this.Loaded += ((sender, e) =>
- {
- storySec = Resources["UpperSecStoryboard"] as Storyboard;
- storyFir = Resources["UpperFirstStoryboard"] as Storyboard;
- var animation = storySec.Children[0] as DoubleAnimationUsingKeyFrames;
- var keyframe = animation.KeyFrames[0] as SplineDoubleKeyFrame;
- ((storySec.Children[1] as DoubleAnimationUsingKeyFrames).KeyFrames[0] as SplineDoubleKeyFrame).Value = this.Height;
- keyframe.Value = -this.Height;
- if (null != ImgList && ImgList.Count > 0)
- {
- var url = ImgList[0];
- BitmapImage _source = new BitmapImage(new Uri(url));
- this.Img1.Source = _source;
- timer.Start();
- }
- });
- Random r = new Random(Convert.ToInt32(DateTime.Now.Millisecond));
- var second = r.Next(2000, 6000);
- Debug.WriteLine(this.Name + "间隔时间:" + second);
- timer.Interval = TimeSpan.FromMilliseconds(second);
- timer.Tick += (async (o, b) =>
- {
- index++;
- var count = ImgList.Count;
- if (null != ImgList)
- {
- var url = ImgList[index % count];
- BitmapImage _source = new BitmapImage(new Uri(url));
- Debug.WriteLine(this.Name + "加载图片..." + url);
- if (isFirst)
- {
- this.Img2.Source = _source;
- isFirst = false;
- await storySec.BeginAsync();
- Canvas.SetZIndex(SecImg, 1);
- Canvas.SetZIndex(FirstImg, 2);
- }
- else
- {
- this.Img1.Source = _source;
- isFirst = true;
- await storyFir.BeginAsync();
- Canvas.SetZIndex(SecImg, 2);
- Canvas.SetZIndex(FirstImg, 1);
- }
- }
- });
- }
- }
- }
该样例代码中 我使用了awaitUI 来实现对动画执行的监控,
程序逻辑并不复杂,通过随机的timer 来切换图片 实现
开始菜单的效果
demo 稍后上传
最终效果图:
资源下载地址:http://download.csdn.net/detail/wangrenzhu2011/4760211
样例项目
首发 手把手教你制作 Windows8 应用程序内部的 hubtile (动态瓷砖控件) MetroStyle(转),布布扣,bubuko.com