从屏幕底部滑动时,任务栏应该可见 - UWP [关闭]
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【中文标题】从屏幕底部滑动时,任务栏应该可见 - UWP [关闭]【英文标题】:when swiping from bottom of screen, taskbar should be visible - UWP [closed] 【发布时间】:2021-12-18 00:43:12 【问题描述】:我正在开发一个应用程序,它有一个类似 stackpanel 的任务栏,其中,当我从屏幕底部滑动时,任务栏 stackpanel 必须来自屏幕下方,就像在苹果 ipad 中一样,请帮助我,在此先感谢。
【问题讨论】:
【参考方案1】:当从屏幕底部滑动时,任务栏应该是可见的 - UWP
根据您的要求,您需要检测任务栏的ManipulationDelta
事件,如果 Cumulative.Translation.Y 超过您的阈值,则调用双动画来向下或向上移动任务栏。 p>
例如
private bool _isSwiped;
private void StackPanel_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
if (e.IsInertial && !_isSwiped)
var swipedDistance = e.Cumulative.Translation.Y;
if (Math.Abs(swipedDistance) <= 2) return;
if (swipedDistance > 0)
Debug.WriteLine("down Swiped");
DownAnimiation.Begin();
else
UpAnimation.Begin();
Debug.WriteLine("up Swiped");
_isSwiped = true;
private void StackPanel_ManipulationCompleted(object sender, ManipulationCompletedRoutedEventArgs e)
_isSwiped = false;
Xaml 代码
<Grid>
<Grid.Resources>
<Storyboard x:Name="DownAnimiation">
<DoubleAnimation
Storyboard.TargetName="BottomPanel"
Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)"
To="93"
Duration="0:0:0.5">
<DoubleAnimation.EasingFunction>
<BackEase />
</DoubleAnimation.EasingFunction>
</DoubleAnimation>
</Storyboard>
<Storyboard x:Name="UpAnimation">
<DoubleAnimation
Storyboard.TargetName="BottomPanel"
Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)"
To="0"
Duration="0:0:0.5">
<DoubleAnimation.EasingFunction>
<BackEase />
</DoubleAnimation.EasingFunction>
</DoubleAnimation>
</Storyboard>
</Grid.Resources>
<StackPanel
x:Name="BottomPanel"
Height="95"
Margin="5"
VerticalAlignment="Bottom"
Background="PaleGreen"
CornerRadius="5"
ManipulationCompleted="StackPanel_ManipulationCompleted"
ManipulationDelta="StackPanel_ManipulationDelta"
ManipulationMode="TranslateY,TranslateInertia,System">
<StackPanel.RenderTransform>
<CompositeTransform />
</StackPanel.RenderTransform>
</StackPanel>
</Grid>
【讨论】:
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