[WeatherApp] from VS 2017 with .NET Std lib

.gitattributes

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+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

WeatherApp/WeatherApp.Android/Assets/AboutAssets.txt

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+Any raw assets you want to be deployed with your application can be placed in
+this directory (and child directories) and given a Build Action of "AndroidAsset".
+
+These files will be deployed with you package and will be accessible using Android's
+AssetManager, like this:
+
+public class ReadAsset : Activity
+{
+	protected override void OnCreate (Bundle bundle)
+	{
+		base.OnCreate (bundle);
+
+		InputStream input = Assets.Open ("my_asset.txt");
+	}
+}
+
+Additionally, some Android functions will automatically load asset files:
+
+Typeface tf = Typeface.CreateFromAsset (Context.Assets, "fonts/samplefont.ttf");

WeatherApp/WeatherApp.Android/GettingStarted.Xamarin

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+<GettingStarted>
+	<LocalContent>GS\Android\CS\AndroidApp\GettingStarted.html</LocalContent>
+	<EmbeddedNavigation>false</EmbeddedNavigation>
+</GettingStarted>

WeatherApp/WeatherApp.Android/MainActivity.cs

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+using System;
+using Android.App;
+using Android.Widget;
+using Android.OS;
+
+namespace WeatherApp.Android
+{
+    [Activity(Label = "WeatherApp.Android", MainLauncher = true)]
+    public class MainActivity : Activity
+    {
+        protected override void OnCreate(Bundle savedInstanceState)
+        {
+            base.OnCreate(savedInstanceState);
+
+            // Set our view from the "main" layout resource
+            SetContentView(Resource.Layout.Main);
+
+            Button button = FindViewById<Button>(Resource.Id.weatherBtn);
+
+            button.Click += Button_Click;
+        }
+
+        private async void Button_Click(object sender, EventArgs e)
+        {
+            EditText zipCodeEntry = FindViewById<EditText>(Resource.Id.zipCodeEntry);
+
+            if (!String.IsNullOrEmpty(zipCodeEntry.Text))
+            {
+                Weather weather = await Core.GetWeather(zipCodeEntry.Text);
+                if (weather != null)
+                {
+                    FindViewById<TextView>(Resource.Id.locationText).Text = weather.Title;
+                    FindViewById<TextView>(Resource.Id.tempText).Text = weather.Temperature;
+                    FindViewById<TextView>(Resource.Id.windText).Text = weather.Wind;
+                    FindViewById<TextView>(Resource.Id.visibilityText).Text = weather.Visibility;
+                    FindViewById<TextView>(Resource.Id.humidityText).Text = weather.Humidity;
+                    FindViewById<TextView>(Resource.Id.sunriseText).Text = weather.Sunrise;
+                    FindViewById<TextView>(Resource.Id.sunsetText).Text = weather.Sunset;
+                }
+            }
+        }
+    }
+}

WeatherApp/WeatherApp.Android/Properties/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
+          package="WeatherApp.Android.WeatherApp.Android" 
+          android:versionCode="1" 
+          android:versionName="1.0">
+  <uses-sdk android:minSdkVersion="21" />
+  <application android:allowBackup="true" android:label="@string/app_name">
+  </application>
+</manifest>

WeatherApp/WeatherApp.Android/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using Android.App;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("WeatherApp.Android")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("WeatherApp.Android")]
+[assembly: AssemblyCopyright("Copyright ©  2018")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: ComVisible(false)]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]