Riy*_*yas 3 c# android custom-renderer xamarin xamarin.forms
具有圆角的自定义searchBar渲染器:iOS
protected override void OnElementChanged(ElementChangedEventArgs<SearchBar> e)
{
base.OnElementChanged(e);
var searchbar = (UISearchBar)Control;
if (e.NewElement != null)
{
searchbar.Layer.CornerRadius = 20;
searchbar.Layer.BorderWidth =14;
searchbar.Layer.BorderColor = UIColor.FromRGB(240,240,240).CGColor;
}
}
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自定义SearchBar渲染器:Android?
我需要做同样的事情,就像我为ios,自定义搜索栏与圆角和其他一些自定义,为Android我没有得到足够的信息来解决这个问题.任何人都会提供一些指示或想法.
提前致谢.
在您的SearchBarRenderer子类中为Android分配SearchView一个自定义形状 drawable:
class CustomSearchBar : SearchBarRenderer
{
protected override void OnElementChanged(ElementChangedEventArgs<SearchBar> e)
{
base.OnElementChanged(e);
if (Control != null)
Control.Background = ContextCompat.GetDrawable(Forms.Context, Resource.Drawable.custom_search_view);
}
}
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在drawable中,根据您的要求进行定制:
<?xml version="1.0" encoding="UTF-8" ?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:padding="10dp"
android:shape="rectangle" >
<corners android:radius="10dp" />
<solid android:color="#baf4ed" />
<stroke
android:width="5.0dp"
android:color="#800000" />
</shape>
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有关drawables的更多信息,请查看Android文档:
回复:https://developer.android.com/guide/topics/resources/drawable-resource.html#Shape
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape=["rectangle" | "oval" | "line" | "ring"] >
<corners
android:radius="integer"
android:topLeftRadius="integer"
android:topRightRadius="integer"
android:bottomLeftRadius="integer"
android:bottomRightRadius="integer" />
<gradient
android:angle="integer"
android:centerX="float"
android:centerY="float"
android:centerColor="integer"
android:endColor="color"
android:gradientRadius="integer"
android:startColor="color"
android:type=["linear" | "radial" | "sweep"]
android:useLevel=["true" | "false"] />
<padding
android:left="integer"
android:top="integer"
android:right="integer"
android:bottom="integer" />
<size
android:width="integer"
android:height="integer" />
<solid
android:color="color" />
<stroke
android:width="integer"
android:color="color"
android:dashWidth="integer"
android:dashGap="integer" />
</shape>
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小智 5
不太确定您的具体要求,但是简单地用框架包围搜索栏怎么样?
<Frame Padding="0" Margin="0" BackgroundColor="White" HasShadow="False" BorderColor="Black" CornerRadius="15" HeightRequest="30">
<SearchBar BackgroundColor="Transparent"/>
</Frame>
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