codemillmatt · AmorimRob · Jan 2, 2020
diff --git a/src/Functions/SantaTalk.Functions/SantaTalk.Functions.sln b/src/Functions/SantaTalk.Functions/SantaTalk.Functions.sln
@@ -0,0 +1,17 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SantaTalk.Functions", "SantaTalk.Functions.csproj", "{F98A568D-8F95-48FE-B1DC-7F8EF9F3431F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F98A568D-8F95-48FE-B1DC-7F8EF9F3431F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F98A568D-8F95-48FE-B1DC-7F8EF9F3431F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F98A568D-8F95-48FE-B1DC-7F8EF9F3431F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F98A568D-8F95-48FE-B1DC-7F8EF9F3431F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal
diff --git a/src/SantaTalk.Android/MainActivity.cs b/src/SantaTalk.Android/MainActivity.cs
@@ -6,6 +6,7 @@
 using Android.Views;
 using Android.Widget;
 using Android.OS;
+using Plugin.CurrentActivity;
 
 namespace SantaTalk.Droid
 {
@@ -19,6 +20,8 @@ protected override void OnCreate(Bundle savedInstanceState)
 
             base.OnCreate(savedInstanceState);
 
+            CrossCurrentActivity.Current.Init(this, savedInstanceState);
+
             Xamarin.Essentials.Platform.Init(this, savedInstanceState);
             global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
             FFImageLoading.Forms.Platform.CachedImageRenderer.Init(true);
@@ -27,8 +30,10 @@ protected override void OnCreate(Bundle savedInstanceState)
         public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Android.Content.PM.Permission[] grantResults)
         {
             Xamarin.Essentials.Platform.OnRequestPermissionsResult(requestCode, permissions, grantResults);
+            Plugin.Permissions.PermissionsImplementation.Current.OnRequestPermissionsResult(requestCode, permissions, grantResults);
 
             base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
         }
+
     }
 }
diff --git a/src/SantaTalk.Android/MainApplication.cs b/src/SantaTalk.Android/MainApplication.cs
@@ -0,0 +1,23 @@
+using System;
+using Android.App;
+using Android.Runtime;
+using Plugin.CurrentActivity;
+
+#if DEBUG
+[Application(Debuggable = true)]
+#else
+    [Application(Debuggable = false)]
+#endif
+public class MainApplication : Application
+{
+    public MainApplication(IntPtr handle, JniHandleOwnership transer)
+      : base(handle, transer)
+    {
+    }
+
+    public override void OnCreate()
+    {
+        base.OnCreate();
+        CrossCurrentActivity.Current.Init(this);
+    }
+}
diff --git a/src/SantaTalk.Android/Properties/AndroidManifest.xml b/src/SantaTalk.Android/Properties/AndroidManifest.xml
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="com.codemilltech.santatalk">
 	<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="28" />
-	<application android:label="SantaTalk.Android" android:networkSecurityConfig="@xml/network_security_config"></application>
+	<application android:label="SantaTalk.Android" android:networkSecurityConfig="@xml/network_security_config">
+		<provider android:name="android.support.v4.content.FileProvider" android:authorities="${applicationId}.fileprovider" android:exported="false" android:grantUriPermissions="true">
+			<meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/file_paths"></meta-data>
+		</provider>
+	</application>
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 </manifest>
diff --git a/src/SantaTalk.Android/Properties/AssemblyInfo.cs b/src/SantaTalk.Android/Properties/AssemblyInfo.cs
@@ -32,3 +32,6 @@
 // Add some common permissions, these can be removed if not needed
 [assembly: UsesPermission(Android.Manifest.Permission.Internet)]
 [assembly: UsesPermission(Android.Manifest.Permission.WriteExternalStorage)]
+
+[assembly: UsesFeature("android.hardware.camera", Required = true)]
+[assembly: UsesFeature("android.hardware.camera.autofocus", Required = true)]
diff --git a/src/SantaTalk.Android/Resources/Resource.designer.cs b/src/SantaTalk.Android/Resources/Resource.designer.cs
diff --git a/src/SantaTalk.Android/Resources/xml/file_paths.xml b/src/SantaTalk.Android/Resources/xml/file_paths.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <external-files-path name="my_images" path="Pictures" />
+    <external-files-path name="my_movies" path="Movies" />
+</paths>
diff --git a/src/SantaTalk.Android/SantaTalk.Android.csproj b/src/SantaTalk.Android/SantaTalk.Android.csproj
@@ -69,11 +69,18 @@
     <PackageReference Include="Newtonsoft.Json">
       <Version>12.0.3</Version>
     </PackageReference>
+    <PackageReference Include="Xam.Plugin.Media">
+      <Version>4.0.1.5</Version>
+    </PackageReference>
+    <PackageReference Include="Plugin.CurrentActivity">
+      <Version>2.1.0.4</Version>
+    </PackageReference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="MainActivity.cs" />
     <Compile Include="Resources\Resource.designer.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="MainApplication.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Resources\AboutResources.txt" />
@@ -125,6 +132,10 @@
       <SubType></SubType>
       <Generator></Generator>
     </AndroidResource>
+    <AndroidResource Include="Resources\xml\file_paths.xml">
+      <SubType></SubType>
+      <Generator></Generator>
+    </AndroidResource>
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Resources\drawable\" />

diff --git a/src/SantaTalk.iOS/Info.plist b/src/SantaTalk.iOS/Info.plist
@@ -39,6 +39,14 @@
 		<key>NSAllowLocalNetworking</key>
 		<true/>
 	</dict>
+	<key>NSCameraUsageDescription</key>
+<string>This app needs access to the camera to take photos.</string>
+<key>NSPhotoLibraryUsageDescription</key>
+<string>This app needs access to photos.</string>
+<key>NSMicrophoneUsageDescription</key>
+<string>This app needs access to microphone.</string>
+<key>NSPhotoLibraryAddUsageDescription</key>
+<string>This app needs access to the photo gallery.</string>
 	<key>UIAppFonts</key>
 	<array>
 		<string>futura_book.ttf</string>

diff --git a/src/SantaTalk.iOS/SantaTalk.iOS.csproj b/src/SantaTalk.iOS/SantaTalk.iOS.csproj
@@ -139,6 +139,9 @@
     <PackageReference Include="Newtonsoft.Json">
       <Version>12.0.3</Version>
     </PackageReference>
+    <PackageReference Include="Xam.Plugin.Media">
+      <Version>4.0.1.5</Version>
+    </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
   <ItemGroup>

diff --git a/src/SantaTalk/MainPage.xaml b/src/SantaTalk/MainPage.xaml
@@ -1,49 +1,59 @@
-<?xml version="1.0" encoding="utf-8"?>
-<ContentPage
-    xmlns="http://xamarin.com/schemas/2014/forms"
-    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-    xmlns:d="http://xamarin.com/schemas/2014/forms/design"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:ios="clr-namespace:Xamarin.Forms.PlatformConfiguration.iOSSpecific;assembly=Xamarin.Forms.Core"
-    xmlns:controls="clr-namespace:Xamarin.Forms.PancakeView;assembly=Xamarin.Forms.PancakeView"
-    xmlns:viewmodels="clr-namespace:SantaTalk"
-    mc:Ignorable="d"
-    NavigationPage.HasNavigationBar="False"
-    NavigationPage.BackButtonTitle=""
-    ios:Page.UseSafeArea="True"
-    BackgroundColor="{StaticResource dark_gradient}"
-    x:Class="SantaTalk.MainPage">
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage x:Class="SantaTalk.MainPage"
+             xmlns="http://xamarin.com/schemas/2014/forms"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:controls="clr-namespace:Xamarin.Forms.PancakeView;assembly=Xamarin.Forms.PancakeView"
+             xmlns:d="http://xamarin.com/schemas/2014/forms/design"
+             xmlns:ios="clr-namespace:Xamarin.Forms.PlatformConfiguration.iOSSpecific;assembly=Xamarin.Forms.Core"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:viewmodels="clr-namespace:SantaTalk"
+             ios:Page.UseSafeArea="True"
+             BackgroundColor="{StaticResource dark_gradient}"
+             NavigationPage.BackButtonTitle=""
+             NavigationPage.HasNavigationBar="False"
+             mc:Ignorable="d">
 
     <ContentPage.BindingContext>
         <viewmodels:MainPageViewModel />
     </ContentPage.BindingContext>
 
-    <controls:PancakeView BackgroundGradientStartColor="{StaticResource dark_gradient}" 
-                          BackgroundGradientEndColor="{StaticResource light_gradient}">
+    <controls:PancakeView BackgroundGradientEndColor="{StaticResource light_gradient}" BackgroundGradientStartColor="{StaticResource dark_gradient}">
 
         <Grid x:Name="MainGrid">
             <ScrollView VerticalOptions="FillAndExpand">
-                <StackLayout VerticalOptions="FillAndExpand" Padding="24" Spacing="0">
+                <StackLayout Padding="24"
+                             Spacing="0"
+                             VerticalOptions="FillAndExpand">
                     <StackLayout VerticalOptions="CenterAndExpand">
-                        <Label Text="WELCOME TO" FontSize="16" TextColor="{StaticResource highlight_text}"/>
-                        <Label Text="Santa Talk" FontSize="48"/>
-                        <Label Margin="0,24,0,16" FontSize="15" Text="Write Santa a letter, and he'll instantly let you know if you've been naughty or nice!" />
+                        <Label FontSize="16"
+                               Text="WELCOME TO"
+                               TextColor="{StaticResource highlight_text}" />
+                        <Label FontSize="48" Text="Santa Talk" />
+                        <Label Margin="0,24,0,16"
+                               FontSize="15"
+                               Text="Write Santa a letter, and he'll instantly let you know if you've been naughty or nice!" />
                     </StackLayout>
                     <StackLayout Spacing="16" VerticalOptions="CenterAndExpand">
                         <StackLayout Spacing="8">
-                            <Label Text="WHAT'S YOUR NAME?" FontSize="12"/>
+                            <Label FontSize="12" Text="WHAT'S YOUR NAME?" />
                             <Entry Text="{Binding KidsName}" />
                         </StackLayout>
                         <StackLayout Spacing="8">
-                            <Label Text="WRITE YOUR LETTER TO SANTA" FontSize="12"/>
-                            <Editor Text="{Binding LetterText}" TextColor="White"/>
+                            <Label FontSize="12" Text="WRITE YOUR LETTER TO SANTA" />
+                            <Editor Text="{Binding LetterText}" TextColor="White" />
                         </StackLayout>
+                        <Image Source="{Binding Photo}" />
+                        <Button Margin="16"
+                                Command="{Binding TakePictureCommand}"
+                                Text="TAKE PHOTO TO SANTA"
+                                VerticalOptions="EndAndExpand" />
                     </StackLayout>
-                    <Button VerticalOptions="EndAndExpand" Text="SEND TO SANTA" Margin="16" Command="{Binding SendLetterCommand}" />
+                    <Button Margin="16"
+                            Command="{Binding SendLetterCommand}"
+                            Text="SEND TO SANTA"
+                            VerticalOptions="EndAndExpand" />
                 </StackLayout>
             </ScrollView>
         </Grid>
-
     </controls:PancakeView>
-
 </ContentPage>
diff --git a/src/SantaTalk/Models/Face.cs b/src/SantaTalk/Models/Face.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+
+namespace SantaTalk.Models
+{
+    public class Face
+    {
+        [JsonProperty("smile")]
+        public double Smile { get; set; }
+
+        [JsonProperty("gender")]
+        public string Gender { get; set; }
+
+        [JsonProperty("age")]
+        public double Age { get; set; }
+
+        [JsonProperty("emotion")]
+        public Dictionary<string, double> Emotions;
+
+        public string CurrentEmotion()
+        {
+            var emotions = Emotions.OrderByDescending(x => x.Value);
+            return emotions.FirstOrDefault().Key;
+        }
+    }
+}
diff --git a/src/SantaTalk/ResultsPage.xaml b/src/SantaTalk/ResultsPage.xaml
@@ -60,6 +60,10 @@
 
                             <controls:PancakeView Margin="0,24,0,0" BackgroundColor="{StaticResource white}" CornerRadius="8">
                                 <StackLayout Padding="24" Spacing="8">
+                                    <StackLayout IsVisible="{Binding TheresFoto}">
+                                        <Label Text="Here is Santa! And I really like your photo .. and it shows me that you are: " Style="{StaticResource SantaText}"/>
+                                        <Label Text="{Binding EmotionPhoto}" FontSize="Large" FontAttributes="Bold"  Style="{StaticResource SantaText}"/>
+                                    </StackLayout>
                                     <Label Text="I think it's very nice that you took the time to write me." Style="{StaticResource SantaText}" />
                                     <Label Style="{StaticResource SantaText}">
                                         <Label.FormattedText>

diff --git a/src/SantaTalk/ResultsPage.xaml.cs b/src/SantaTalk/ResultsPage.xaml.cs
@@ -19,7 +19,7 @@ public partial class ResultsPage : ContentPage
         private List<VisualElement> _stars = new List<VisualElement>();
         private ResultsPageViewModel vm = new ResultsPageViewModel();
 
-        public ResultsPage(string kidsName, string letterText)
+        public ResultsPage(string kidsName, string letterText, string filePath)
         {
             InitializeComponent();
 
@@ -28,6 +28,7 @@ public ResultsPage(string kidsName, string letterText)
             vm.KidsName = kidsName;
             vm.LetterText = letterText;
             vm.CurrentState = State.Loading;
+            vm.FilePath = filePath;
 
             _formsWidth = Convert.ToInt32(DeviceDisplay.MainDisplayInfo.Width / DeviceDisplay.MainDisplayInfo.Density);
             _formsHeight = Convert.ToInt32(DeviceDisplay.MainDisplayInfo.Height / DeviceDisplay.MainDisplayInfo.Density);

diff --git a/src/SantaTalk/SantaTalk.csproj b/src/SantaTalk/SantaTalk.csproj
@@ -18,12 +18,14 @@
     <PackageReference Include="Xamarin.Forms.PancakeView" Version="1.3.6" />
     <PackageReference Include="Xamarin.Forms.StateSquid" Version="1.1.3" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Xam.Plugin.Media" Version="4.0.1.5" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Functions\SantaTalk.Models\SantaTalk.Models.csproj" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Services\" />
     <Folder Include="ViewModels\" />
+    <Folder Include="Models\" />
   </ItemGroup>
 </Project>
diff --git a/src/SantaTalk/Services/FaceResponse.cs b/src/SantaTalk/Services/FaceResponse.cs
@@ -0,0 +1,9 @@
+using SantaTalk.Models;
+
+namespace SantaTalk.Services
+{
+    public class FaceResponse
+    {
+        public Face FaceAttributes { get; set; }
+    }
+}
diff --git a/src/SantaTalk/Services/PhotoDeliveryService.cs b/src/SantaTalk/Services/PhotoDeliveryService.cs
@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+
+namespace SantaTalk.Services
+{
+    public class PhotoDeliveryService
+    {
+        const string subscriptionKey = "4c8b5bdac07d45e58a64734a1a10eff6";
+        const string uriBase = "https://brazilsouth.api.cognitive.microsoft.com/face/v1.0/detect";
+
+        public async Task<List<FaceResponse>> MakeAnalysisRequest(string imageFilePath)
+        {
+            var httpClient = new HttpClient();
+
+            httpClient.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", subscriptionKey);
+
+            string requestParameters = "returnFaceId=true&returnFaceLandmarks=false" +
+                "&returnFaceAttributes=age,gender,headPose,smile,facialHair,glasses," +
+                "emotion,hair,makeup,occlusion,accessories,blur,exposure,noise";
+
+            string uri = uriBase + "?" + requestParameters;
+
+            byte[] byteData = GetImageAsByteArray(imageFilePath);
+
+            List<FaceResponse> result;
+
+            using (ByteArrayContent content = new ByteArrayContent(byteData))
+            {
+                content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
+
+                var response = await httpClient.PostAsync(uri, content);
+
+                string contentString = await response.Content.ReadAsStringAsync();
+
+                result = JsonConvert.DeserializeObject<List<FaceResponse>>(contentString);
+            }
+
+            return result;
+        }
+
+        private byte[] GetImageAsByteArray(string imageFilePath)
+        {
+            using (FileStream fileStream = new FileStream(imageFilePath, FileMode.Open, FileAccess.Read))
+            {
+                BinaryReader binaryReader = new BinaryReader(fileStream);
+                return binaryReader.ReadBytes((int)fileStream.Length);
+            }
+        }
+    }
+}
+