From b1aec9c411f2587518ccb6bf69f2dfb6c18370ba Mon Sep 17 00:00:00 2001
From: Jon <jwood803@users.noreply.github.com>
Date: Fri, 4 Sep 2015 17:46:13 -0400
Subject: [PATCH] Add Android sharing

---
 ShareExample/Droid/MainActivity.cs            | 41 +++++++++++++++----
 .../Droid/Resources/Resource.designer.cs      | 21 ++++++++++
 ShareExample/iOS/AppDelegate.cs               |  9 ++--
 3 files changed, 57 insertions(+), 14 deletions(-)

diff --git a/ShareExample/Droid/MainActivity.cs b/ShareExample/Droid/MainActivity.cs
index 0bcbe34..4e5d92a 100644
--- a/ShareExample/Droid/MainActivity.cs
+++ b/ShareExample/Droid/MainActivity.cs
@@ -1,26 +1,49 @@
-using System;
-
-using Android.App;
-using Android.Content;
+using Android.App;
 using Android.Content.PM;
-using Android.Runtime;
-using Android.Views;
-using Android.Widget;
 using Android.OS;
+using Xamarin.Forms;
+using Android.Content;
+using Android.Graphics;
+using Xamarin.Forms.Platform.Android;
 
 namespace ShareExample.Droid
 {
     [Activity(Label = "ShareExample.Droid", Icon = "@drawable/icon", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
     public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsApplicationActivity
     {
+        const int ShareImageId = 1000;
+
         protected override void OnCreate(Bundle bundle)
         {
             base.OnCreate(bundle);
 
-            global::Xamarin.Forms.Forms.Init(this, bundle);
+            Forms.Init(this, bundle);
 
             LoadApplication(new App());
+
+            MessagingCenter.Subscribe<ImageSource> (this, "Share", Share, null);
+        }
+
+        async void Share (ImageSource imageSource)
+        {
+            var intent = new Intent (Intent.ActionSend);
+            intent.SetType ("image/png");
+
+            var handler = new ImageLoaderSourceHandler();
+            var bitmap = await handler.LoadImageAsync(imageSource, this);
+
+            var path = Environment.GetExternalStoragePublicDirectory (Environment.DirectoryDownloads
+                + Java.IO.File.Separator + "logo.png");
+
+            using (var os = new System.IO.FileStream (path.AbsolutePath, System.IO.FileMode.Create)) {
+                bitmap.Compress (Bitmap.CompressFormat.Png, 100, os);
+            }
+
+            intent.PutExtra (Intent.ExtraStream, Android.Net.Uri.FromFile (path));
+
+            var intentChooser = Intent.CreateChooser (intent, "Share via");
+
+            StartActivityForResult (intentChooser, ShareImageId);
         }
     }
 }
-
diff --git a/ShareExample/Droid/Resources/Resource.designer.cs b/ShareExample/Droid/Resources/Resource.designer.cs
index b911c7f..a3e8b3b 100644
--- a/ShareExample/Droid/Resources/Resource.designer.cs
+++ b/ShareExample/Droid/Resources/Resource.designer.cs
@@ -26,6 +26,8 @@ static Resource()
 		
 		public static void UpdateIdValues()
 		{
+			global::Xamarin.Forms.Platform.Resource.String.ApplicationName = global::ShareExample.Droid.Resource.String.ApplicationName;
+			global::Xamarin.Forms.Platform.Resource.String.Hello = global::ShareExample.Droid.Resource.String.Hello;
 		}
 		
 		public partial class Attribute
@@ -56,6 +58,25 @@ private Drawable()
 			{
 			}
 		}
+		
+		public partial class String
+		{
+			
+			// aapt resource value: 0x7f030001
+			public const int ApplicationName = 2130903041;
+			
+			// aapt resource value: 0x7f030000
+			public const int Hello = 2130903040;
+			
+			static String()
+			{
+				global::Android.Runtime.ResourceIdManager.UpdateIdValues();
+			}
+			
+			private String()
+			{
+			}
+		}
 	}
 }
 #pragma warning restore 1591
diff --git a/ShareExample/iOS/AppDelegate.cs b/ShareExample/iOS/AppDelegate.cs
index 909397b..ed0df28 100644
--- a/ShareExample/iOS/AppDelegate.cs
+++ b/ShareExample/iOS/AppDelegate.cs
@@ -11,7 +11,7 @@ public partial class AppDelegate : global::Xamarin.Forms.Platform.iOS.FormsAppli
     {
         public override bool FinishedLaunching(UIApplication app, NSDictionary options)
         {
-            global::Xamarin.Forms.Forms.Init();
+            Forms.Init();
 
             // Code for starting up the Xamarin Test Cloud Agent
             #if ENABLE_TEST_CLOUD
@@ -28,9 +28,9 @@ public override bool FinishedLaunching(UIApplication app, NSDictionary options)
         async void Share (ImageSource imageSource)
         {
             var handler = new ImageLoaderSourceHandler();
-            var bytes = await handler.LoadImageAsync(imageSource);
+            var uiImage = await handler.LoadImageAsync(imageSource);
 
-            var item = NSObject.FromObject (bytes);
+            var item = NSObject.FromObject (uiImage);
             var activityItems = new[] { item }; 
             var activityController = new UIActivityViewController (activityItems, null);
 
@@ -38,8 +38,7 @@ async void Share (ImageSource imageSource)
             while (topController.PresentedViewController != null) {
                 topController = topController.PresentedViewController;
             }
-            topController.PresentViewController (activityController, true, () => {
-            });
+            topController.PresentViewController (activityController, true, () => {});
         }
     }
 }