title: View scroll when keyboard open for typing in Entry Control
body: <p>when user focus Entry Control in Xamarin.Form keyboard open but view scroll so Design looks ugly.so please help me.
  i have put image how screen visible when keyboard open in android device.
  My code given below</p>
  
  <pre><code>&lt;StackLayout Grid.Row="1"&gt;
          &lt;StackLayout Padding="20,10,20,20" &gt;
              &lt;Entry x:Name="Txtusername" Placeholder="Name"/&gt;
              &lt;Entry x:Name="TxtPass"
                     IsPassword="True"
                     Placeholder="Password" /&gt;
              &lt;StackLayout Padding="0,10"&gt;
                  &lt;Button x:Name="BtnSign"
                          BackgroundColor="#FFFFCB04"
                          BorderColor="#FFFFCB04"
                          Clicked="BtnSignInClicked"
                          Text="Sign In"
                          TextColor="Black" /&gt;
              &lt;/StackLayout&gt;
          &lt;/StackLayout&gt;
      &lt;/StackLayout&gt;
  </code></pre>
  
  <p><a href="http://i.stack.imgur.com/jamH7.png" rel="nofollow">Before keyboard open</a></p>
  
  <p><a href="http://i.stack.imgur.com/rasiv.png" rel="nofollow">After keyboard open</a></p>