title: set tabbedpage's actionbar's text size
body: <h2>making first tabbed page code xaml</h2>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt;
  
  &lt;ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
           xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
           x:Class="ElronWebtoon_Test.Page1Tab1"
           Title="All"&gt;
  
  &lt;/ContentPage&gt;
  </code></pre>
  
  <hr>
  
  <h2>add tabbed page code xaml</h2>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt;
  &lt;TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
               xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
               x:Class="ElronWebtoon_Test.Page1"
               xmlns:pages="clr-namespace:ElronWebtoon_Test;assembly=ElronWebtoon_Test"
               Title="TabbedPage"&gt;
    &lt;!--Pages can be added as references or inline--&gt;
    &lt;pages:Page1Tab1/&gt;
      &lt;ContentPage Title="tab1"&gt;
          &lt;Grid&gt;
  
              &lt;StackLayout x:Name="romance"&gt;
                  &lt;Label Text="Green" HorizontalTextAlignment="Center" HorizontalOptions="FillAndExpand" Margin="5"  /&gt;
                  &lt;BoxView Color="Green" VerticalOptions="FillAndExpand" /&gt;
              &lt;/StackLayout&gt;
          &lt;/Grid&gt;
      &lt;/ContentPage&gt;
  
  
      &lt;ContentPage Title="tab2"&gt;
          &lt;Grid&gt;               
              &lt;StackLayout&gt;
                  &lt;Label Text="Blue" HorizontalTextAlignment="Center" HorizontalOptions="FillAndExpand" Margin="5"  /&gt;
                  &lt;BoxView Color="Blue" VerticalOptions="FillAndExpand" /&gt;
              &lt;/StackLayout&gt;
          &lt;/Grid&gt;
      &lt;/ContentPage&gt;
  
  
      &lt;ContentPage Title="tab3"&gt;
          &lt;Grid&gt;              
              &lt;StackLayout&gt;
                  &lt;Label Text="Pink" HorizontalTextAlignment="Center" HorizontalOptions="FillAndExpand" Margin="5"  /&gt;
                  &lt;BoxView Color="Pink" VerticalOptions="FillAndExpand" /&gt;
              &lt;/StackLayout&gt;
          &lt;/Grid&gt;
      &lt;/ContentPage&gt;
  
  &lt;/TabbedPage&gt;
  </code></pre>
  
  <p>I make tabbedPage using Xamarin Sample.</p>
  
  <p>(<a href="https://developer.xamarin.com/samples/xamarin-forms/Navigation/TabbedPageWithNavigationPage/" rel="nofollow noreferrer">https://developer.xamarin.com/samples/xamarin-forms/Navigation/TabbedPageWithNavigationPage/</a>)</p>
  
  <p>but if make many tabbed page,</p>
  
  <p>tabbed page's action bar's title text do 2 line</p>
  
  <p>(ex. programmer</p>
  
  <p>->prog
  rammer)</p>
  
  <p>I want set actionbar's font size, not use custom renderer
  how can I do this?</p>