prs/prs.mobile.new/PRS.Mobile/Components/DigitalForms/Editor/CustomUserControls/PopupEditor.xaml

<?xml version="1.0" encoding="utf-8" ?>
<mobile:MobilePage xmlns:local="clr-namespace:PRS.Mobile" xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:mobile="clr-namespace:InABox.Mobile;assembly=InABox.Mobile.Shared"
             x:Class="PRS.Mobile.PopupEditor"
             >
    
    <NavigationPage.TitleView>
        <Grid Margin="0" Padding="0">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Button Grid.Column="0" HorizontalOptions="Start" VerticalOptions="Center" TextColor="White" BackgroundColor="Transparent" Margin="0" Padding="0"
                Text="Cancel" Clicked="CancelBtn_Clicked"/>
            <Label Grid.Column="1"  Text="Enter text" VerticalOptions="Center" x:Name="titleLbl"
                   HorizontalOptions="Center" HorizontalTextAlignment="Center" TextColor="White" FontSize="Medium" FontAttributes="Bold"/>
            <Button Grid.Column="2" HorizontalOptions="End" VerticalOptions="Center" TextColor="White" BackgroundColor="Transparent" Margin="0" Padding="0"
                Text="Save" Clicked="SaveBtn_Clicked"/>
        </Grid>
    </NavigationPage.TitleView> 
    
    <mobile:MobilePage.PageContent>
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"/>
            </Grid.RowDefinitions>
            <Frame Grid.Row="0" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand">
                <Editor  x:Name="textEdt" AutoSize="TextChanges" Placeholder="Enter Text"
                    HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand"/>
            </Frame>
        </Grid>
    </mobile:MobilePage.PageContent>
</mobile:MobilePage>