Add pressed and released events to Button (#446)

* Add pressed and released events to Button

* Update ButtonRenderer.cs

* Apply safely casting to android button renderer

* Use safety casting for Android buttin renderer

* [Windows] Fix modal pages being laid out below soft buttons (#395)

* Add sample HanselForms and TwitterDemo to ControlGallery (#651)

* [Controls] Add Hanselforms sample

* Remove extra twitter sample

* [Controls]Add TwitterDemo sample

* [Controls] Fix build

* Slider should show user-set value on initial load (#378)

* [UWP] Use toolbar foreground color on primary items (#640)

* Avoid duplicating code in OmPlatform (#591)

* [iOS] Entry should not pass a newline to the next responder (#397)

* UITextField should not return so that the next field does not get passed a newline

* Added code sample

* [XamlC] import members on x:Static and factories (#642)

* [Xaml] support short Properties for PropertyCondition (#645)

* Xamlc compile data triggers (#648)

* [Xaml] DataTrigger and PropertyCondition no longer use a ServiceProvider

* [XamlC] avoid generating ServiceProvider for unused ProvideValue

* fix tests

* Fix comment typo

* [UWP] Fix TextBox style for foreground focus color (#618)

* Adding image to use for CellsGalleryImageUrlCellList UI test

* Update ImageCellListPage to use an image we control;
Update CellsGalleryImageUrlCellList test to wait longer than 1s for images
to load if necessary

* fix nre when changing content in datepickerselected (#494)

* Make CellsGalleryImageUrlCellList test finish early if possible

* [iOS] Change keyboard type while keyboard is visible (#443)

* Change keyboard while changing text

* add sample code

* [Android] Fix NavigationPage dispose crash when it parents a MasterDetailPage (#577)

* fix navigation page dispose crash

* changes after review

* [XamlC] detect duplicate x:Name at compile time (#655)

* [XamlC] detect duplicate x:Name at compile time

* invoking methods with the right arguments produces better results

* Make UWP toolbar display rules consistent with other platforms (#638)

* Allow subscriber to be collected if MessagingCenter is the only reference to it (#617)

* Repro

* Make messaging center callbacks weak references

* Preserve attribute

* Fix test method name

* Watch for collection of actual delegate target instead of wrapper delegate

* Preserve the original platform instance when changing main page

* Better tests for lambda situations

* Update tests, make callback target a weakreference if it's the subscriber

* Ensure old Platform MessagingCenter subs are gone before creating new Platform

* [iOS] Prevent multiple ListView cells from being swiped simultaneously (#578)

* disable multiple cell swipe

* add sample code

* refactored

* convert to weakreference

* remove null setting

* change weakreference setting place

* remove if

* revert isopen changes

* add instructions

* [WinRT/UWP] Apply BackgroundColor to Stepper buttons (#581)

* [WinRT/UWP] Apply BackgroundColor to Stepper buttons

* Add explanatory text; use nameof

* Move explanatory text to a label

* Return group instead of internal class (#461)

* [iOS/Android] Move Map camera to correct region on layout change (#548)

* Move to region on layout change

* remove visibility check

* [iOS] Platform specifics for controlling Picker SelectedIndex change behavior (#540)

* picker selected index could change when picker view is dismissed

* use enum

* [iOS] Ignore intermittent failing test on XTC (#666)

* [UITest] Update to UITest 2.0.5 (#665)

* Rebase the current branch onto upstream latest

2 files changed, 100 insertions, 2 deletions

diff --git a/docs/Xamarin.Forms.Core/Xamarin.Forms/Button.xml b/docs/Xamarin.Forms.Core/Xamarin.Forms/Button.xml
index ba243413..3df8f8fc 100644
--- a/docs/Xamarin.Forms.Core/Xamarin.Forms/Button.xml
+++ b/docs/Xamarin.Forms.Core/Xamarin.Forms/Button.xml
@@ -1,6 +1,6 @@
 <Type Name="Button" FullName="Xamarin.Forms.Button">
-  <TypeSignature Language="C#" Value="public class Button : Xamarin.Forms.View, Xamarin.Forms.IButtonController, Xamarin.Forms.IElementConfiguration&lt;Xamarin.Forms.Button&gt;" />
-  <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit Button extends Xamarin.Forms.View implements class Xamarin.Forms.IButtonController, class Xamarin.Forms.IElementConfiguration`1&lt;class Xamarin.Forms.Button&gt;, class Xamarin.Forms.IElementController, class Xamarin.Forms.IViewController, class Xamarin.Forms.IVisualElementController" />
+  <TypeSignature Language="C#" Value="public class Button : Xamarin.Forms.View, Xamarin.Forms.IButtonController, Xamarin.Forms.IElementConfiguration&lt;Xamarin.Forms.Button&gt;, Xamarin.Forms.IFontElement" />
+  <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit Button extends Xamarin.Forms.View implements class Xamarin.Forms.IButtonController, class Xamarin.Forms.IElementConfiguration`1&lt;class Xamarin.Forms.Button&gt;, class Xamarin.Forms.IElementController, class Xamarin.Forms.IFontElement, class Xamarin.Forms.IViewController, class Xamarin.Forms.IVisualElementController" />
   <AssemblyInfo>
     <AssemblyName>Xamarin.Forms.Core</AssemblyName>
     <AssemblyVersion>1.0.0.0</AssemblyVersion>
@@ -21,6 +21,9 @@
     <Interface>
       <InterfaceName>Xamarin.Forms.IElementConfiguration&lt;Xamarin.Forms.Button&gt;</InterfaceName>
     </Interface>
+    <Interface>
+      <InterfaceName>Xamarin.Forms.IFontElement</InterfaceName>
+    </Interface>
   </Interfaces>
   <Attributes>
     <Attribute>
@@ -669,6 +672,37 @@ namespace FormsGallery
         <remarks>A Button triggers this by itself. An inheritor only need to call this for properties without BindableProperty as backend store.</remarks>
       </Docs>
     </Member>
+    <Member MemberName="Pressed">
+      <MemberSignature Language="C#" Value="public event EventHandler Pressed;" />
+      <MemberSignature Language="ILAsm" Value=".event class System.EventHandler Pressed" />
+      <MemberType>Event</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.EventHandler</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>Occurs when the Button is pressed.</summary>
+        <remarks>
+        </remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="Released">
+      <MemberSignature Language="C#" Value="public event EventHandler Released;" />
+      <MemberSignature Language="ILAsm" Value=".event class System.EventHandler Released" />
+      <MemberType>Event</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.EventHandler</ReturnType>
+      </ReturnValue>
+      <Docs>
+        <summary>Occurs when the Button is released.</summary>
+        <remarks>The released event always occur before the clicked event.</remarks>
+      </Docs>
+    </Member>
     <Member MemberName="Text">
       <MemberSignature Language="C#" Value="public string Text { get; set; }" />
       <MemberSignature Language="ILAsm" Value=".property instance string Text" />
@@ -777,5 +811,37 @@ namespace FormsGallery
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
+    <Member MemberName="Xamarin.Forms.IButtonController.SendPressed">
+      <MemberSignature Language="C#" Value="void IButtonController.SendPressed ();" />
+      <MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void Xamarin.Forms.IButtonController.SendPressed() cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.Void</ReturnType>
+      </ReturnValue>
+      <Parameters />
+      <Docs>
+        <summary>Sends a press event.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="Xamarin.Forms.IButtonController.SendReleased">
+      <MemberSignature Language="C#" Value="void IButtonController.SendReleased ();" />
+      <MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void Xamarin.Forms.IButtonController.SendReleased() cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.Void</ReturnType>
+      </ReturnValue>
+      <Parameters />
+      <Docs>
+        <summary>Sends a release event.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
   </Members>
 </Type>
diff --git a/docs/Xamarin.Forms.Core/Xamarin.Forms/IButtonController.xml b/docs/Xamarin.Forms.Core/Xamarin.Forms/IButtonController.xml
index 2b66481b..6e4e1c20 100644
--- a/docs/Xamarin.Forms.Core/Xamarin.Forms/IButtonController.xml
+++ b/docs/Xamarin.Forms.Core/Xamarin.Forms/IButtonController.xml
@@ -31,5 +31,37 @@
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
+    <Member MemberName="SendPressed">
+      <MemberSignature Language="C#" Value="public void SendPressed ();" />
+      <MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void SendPressed() cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.Void</ReturnType>
+      </ReturnValue>
+      <Parameters />
+      <Docs>
+        <summary>To be added.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
+    <Member MemberName="SendReleased">
+      <MemberSignature Language="C#" Value="public void SendReleased ();" />
+      <MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void SendReleased() cil managed" />
+      <MemberType>Method</MemberType>
+      <AssemblyInfo>
+        <AssemblyVersion>2.0.0.0</AssemblyVersion>
+      </AssemblyInfo>
+      <ReturnValue>
+        <ReturnType>System.Void</ReturnType>
+      </ReturnValue>
+      <Parameters />
+      <Docs>
+        <summary>To be added.</summary>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
   </Members>
 </Type>