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You can show the CenterButton of SfTabView, please follow the below steps to show the center button of SfTabView.
Step 1: Add the necessary assemblies in the PCL, Android, iOS and UWP projects. Refer to this UG documentation to know more about the assemblies required for SfTabView.
Step 2: Add the image for center button on the respective platform folder. Inside the CenterButton view add this image.
Please use the below code snippet.
XAML:<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:TabView"
xmlns:tabView="clr-namespace:Syncfusion.XForms.TabView;assembly=Syncfusion.SfTabView.XForms"
x:Class="TabView.MainPage">
<ContentPage.Content>
<Grid>
<tabView:SfTabView BackgroundColor="#f6f6f6"
VisibleHeaderCount="5"
EnableSwiping="false"
TabHeaderPosition="Bottom"
OverflowMode="CenterButton"
>
<tabView:SfTabView.CenterButtonSettings>
<tabView:CenterButtonSettings Height="60" Width="60"/>
</tabView:SfTabView.CenterButtonSettings>
<tabView:SfTabView.SelectionIndicatorSettings>
<tabView:SelectionIndicatorSettings Color="#1E90FF"
StrokeThickness="3"
Position="Bottom"/>
</tabView:SfTabView.SelectionIndicatorSettings>
<tabView:SfTabView.CenterButtonView>
<Image Source="Compose.png"
Aspect="AspectFill"
VerticalOptions="CenterAndExpand"
HorizontalOptions="CenterAndExpand">
<Image.GestureRecognizers>
<TapGestureRecognizer
Tapped="CenterButton_Tapped" />
</Image.GestureRecognizers>
</Image>
</tabView:SfTabView.CenterButtonView>
<tabView:SfTabItem Title="Call">
<tabView:SfTabItem.Content>
<Grid BackgroundColor="White" x:Name="AllContactsGrid" >
<ListView x:Name="ContactListView"
ItemsSource="{Binding ContactList}"
RowHeight="75">
<ListView.BindingContext>
<local:ContactsViewModel />
</ListView.BindingContext>
<ListView.ItemTemplate>
<DataTemplate>
<ViewCell>
<StackLayout Orientation="Vertical" Margin="30,0,0,0">
<Label
Text="{Binding Name}"
FontSize="24"
/>
<Label
Text="{Binding Number}"
FontSize="20"
TextColor="LightSlateGray" />
</StackLayout>
</ViewCell>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</Grid>
</tabView:SfTabItem.Content>
</tabView:SfTabItem>
<tabView:SfTabItem Title="Favorites">
<tabView:SfTabItem.Content>
<Grid BackgroundColor="Green" x:Name="FavoritesGrid" />
</tabView:SfTabItem.Content>
</tabView:SfTabItem>
<tabView:SfTabItem Title="Contacts">
<tabView:SfTabItem.Content>
<Grid BackgroundColor="Blue" x:Name="ContactsGrid" />
</tabView:SfTabItem.Content>
</tabView:SfTabItem>
<tabView:SfTabItem Title="Missed Call">
<tabView:SfTabItem.Content>
<Grid BackgroundColor="Yellow" x:Name="MissedCallGrid" />
</tabView:SfTabItem.Content>
</tabView:SfTabItem>
</tabView:SfTabView>
</Grid>
</ContentPage.Content>
</ContentPage>
C#:
using System.Collections.ObjectModel;
using Xamarin.Forms;
namespace TabView
{
public partial class MainPage : ContentPage
{
public MainPage()
{
InitializeComponent();
}
void CenterButton_Tapped(object sender, System.EventArgs e)
{
DisplayAlert("Message", "CenterButtonView Clicked", "Ok");
}
}
}
Please download the sample for the same from this link : Samlple |
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