Add Downloader, LeScanner and Network NUI based application

Mobile/Downloader/Downloader.sln

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+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31005.135
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Downloader", "Downloader/Downloader.csproj", "{d42f4c90-c837-4704-8563-194d9392b9c7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{d42f4c90-c837-4704-8563-194d9392b9c7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{d42f4c90-c837-4704-8563-194d9392b9c7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{d42f4c90-c837-4704-8563-194d9392b9c7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{d42f4c90-c837-4704-8563-194d9392b9c7}.Release|Any CPU.Build.0 = Release|Any CPU
+
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Mobile/Downloader/Downloader/Directory.Build.targets

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+<!--
+***********************************************************************************************
+<Build.Directory.targets>
+WARNING:  DO NOT MODIFY this file. Incorrect changes to this file will make it
+          impossible to load or build your projects from the IDE.
+
+***********************************************************************************************
+-->
+
+<Project>    
+	<Target Name="BuildDotnet" AfterTargets="TizenPackage" >
+        <Message Text="Tizen Build starts here ------------" Importance="high"/>
+        <Message Text="$(MSBuildProjectDirectory)" Importance="high"/>
+        <PropertyGroup>
+            <WorkspaceFolder>$([System.IO.Path]::GetDirectoryName($(MSBuildProjectDirectory)))</WorkspaceFolder>
+        </PropertyGroup>
+        <Message Text="Workspace: '$(WorkspaceFolder)'"  Importance="high" />
+
+		<Exec Command="C:\tizen-studio\tools\tizen-core\tz.exe pack-chain -w $(ProjectDir) -S $(ProjectDir)"> </Exec>
+    </Target>
+</Project>

Mobile/Downloader/Downloader/DownloadInfo.cs

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+/*
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System.ComponentModel;
+
+namespace Downloader
+{
+    /// <summary>
+    /// An internal class to show download information list
+    /// </summary>
+    internal class DownloadInfo : INotifyPropertyChanged
+    {
+        private string name;
+        private string value;
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name="name">field name</param>
+        /// <param name="value">field value</param>
+        public DownloadInfo(string name, string value)
+        {
+            this.Name = name;
+            this.Value = value;
+        }
+
+        /// <summary>
+        /// The field name of download information list
+        /// </summary>
+        public string Name 
+        { 
+            get => name;
+            set
+            {
+                if (name != value)
+                {
+                    name = value;
+                    OnPropertyChanged(nameof(Name));
+                }
+            }
+        }
+
+        /// <summary>
+        /// The field value of download information list
+        /// </summary>
+        public string Value 
+        { 
+            get => this.value;
+            set
+            {
+                if (this.value != value)
+                {
+                    this.value = value;
+                    OnPropertyChanged(nameof(Value));
+                }
+            }
+        }
+
+        // INotifyPropertyChanged implementation
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+    }
+}