From: Kyuho Jo <kyuho.jo@samsung.com>
Date: Tue, 28 Feb 2017 10:42:42 +0000 (+0900)
Subject: Storing/Restoring AppShortcutInfo
X-Git-Tag: submit/tizen/20170808.015446~232
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0c8ad1f510b23b111b0dbc8761dfdf020e1d8935;p=profile%2Ftv%2Fapps%2Fdotnet%2Fhome.git

Storing/Restoring AppShortcutInfo

Change-Id: I
Signed-off-by: Kyuho Jo <kyuho.jo@samsung.com>
---

diff --git a/TVHome/TVHome.TizenTV/Ports/ApplicationManagerPort.cs b/TVHome/TVHome.TizenTV/Ports/ApplicationManagerPort.cs
index e2fb264..ca109c1 100644
--- a/TVHome/TVHome.TizenTV/Ports/ApplicationManagerPort.cs
+++ b/TVHome/TVHome.TizenTV/Ports/ApplicationManagerPort.cs
@@ -34,7 +34,6 @@ namespace TVHome.TizenTV.Ports
         void OnApplicationLaunched(object sender, EventArgs args)
         {
             ApplicationLaunchedEventArgs launchedEventArgs = args as ApplicationLaunchedEventArgs;
-
             DebuggingUtils.Dbg(launchedEventArgs.ApplicationInfo.Label.ToString() + " launched");
         }
 
@@ -53,11 +52,35 @@ namespace TVHome.TizenTV.Ports
                 result[0] = appInfo.Label != null ? appInfo.Label : null;
                 result[1] = appInfo.ApplicationId != null ? appInfo.ApplicationId : null;
                 result[2] = appInfo.IconPath != null ? appInfo.IconPath : "AppIcon.png";
-
                 resultList.Add(appInfo.ApplicationId, result);
             }
 
             return resultList;
         }
+
+        public Dictionary<string, string> GetInstalledApplication(string applicationId)
+        {
+            Dictionary<string, string> result = null;
+            ApplicationInfo appInfo = null;
+            try
+            {
+                appInfo = ApplicationManager.GetInstalledApplication(applicationId);
+                if (appInfo == null)
+                {
+                    DebuggingPort.D("GetInstalledApplication failed");
+                    return null;
+                }
+                result = new Dictionary<string, string>();
+                result.Add("Label", appInfo.Label);
+                result.Add("ApplicationId", appInfo.ApplicationId);
+                result.Add("IconPath", appInfo.IconPath);
+            }
+            catch(Exception exception)
+            {
+                DebuggingPort.E("Exception " + applicationId + " :" + exception.Message);
+                return null;
+            }
+            return result;
+        }
     }
 }
\ No newline at end of file
diff --git a/TVHome/TVHome.TizenTV/Ports/FileSystemPort.cs b/TVHome/TVHome.TizenTV/Ports/FileSystemPort.cs
new file mode 100644
index 0000000..585e211
--- /dev/null
+++ b/TVHome/TVHome.TizenTV/Ports/FileSystemPort.cs
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd
+ *
+ * Licensed under the Flora License, Version 1.1 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://floralicense.org/license/
+ *
+ * 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;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+
+using Tizen;
+using Tizen.Applications;
+using TVHome.Utils;
+
+namespace TVHome.TizenTV.Ports 
+{
+    class FileSystemPort : IFileSystemAPIs
+    {
+        public Stream OpenFile(string filePath, UtilFileMode mode)
+        {
+            Stream fileStream = null;
+            DebuggingPort.D("Opening the file... " + filePath);
+            try
+            {
+                fileStream = new FileStream(filePath, (FileMode)mode);
+                DebuggingPort.D("Opened.");
+            }
+            catch (Exception exception)
+            {
+                DebuggingPort.E("Exception!! " + exception.Message);
+            }
+            return fileStream;
+        }
+
+        public void Flush(Stream stream)
+        {
+            var fileStream = stream as FileStream;
+            fileStream.Flush();
+        }
+
+        public void CloseFile(Stream stream)
+        {
+            var fileStream = stream as FileStream;
+            fileStream.Dispose();
+        }
+}
+}
diff --git a/TVHome/TVHome.TizenTV/TVHome.TizenTV.cs b/TVHome/TVHome.TizenTV/TVHome.TizenTV.cs
index 0b516f1..0ba37bd 100644
--- a/TVHome/TVHome.TizenTV/TVHome.TizenTV.cs
+++ b/TVHome/TVHome.TizenTV/TVHome.TizenTV.cs
@@ -24,7 +24,7 @@ namespace TVHome.TizenTV
 
             AppResourcePath = DirectoryInfo.Resource;
             AppDataPath = DirectoryInfo.Data;
-            DebuggingPort.D("I'm here");
+            DebuggingPort.D("Home application is being loaded...");
             LoadApplication(new App());
         }
 
@@ -39,6 +39,7 @@ namespace TVHome.TizenTV
             global::Xamarin.Forms.DependencyService.Register<BTModulePort>();
             global::Xamarin.Forms.DependencyService.Register<FileSystemWatcherPort>();
             global::Xamarin.Forms.DependencyService.Register<ApplicationManagerPort>();
+            global::Xamarin.Forms.DependencyService.Register<FileSystemPort>();
             global::Xamarin.Forms.Platform.Tizen.Forms.Init(app);
             app.Run(args);
         }
diff --git a/TVHome/TVHome.TizenTV/TVHome.TizenTV.csproj b/TVHome/TVHome.TizenTV/TVHome.TizenTV.csproj
index 69739e4..bd75a01 100644
--- a/TVHome/TVHome.TizenTV/TVHome.TizenTV.csproj
+++ b/TVHome/TVHome.TizenTV/TVHome.TizenTV.csproj
@@ -51,6 +51,7 @@
     <Compile Include="Ports\AppControlPort.cs" />
     <Compile Include="Ports\ApplicationManagerPort.cs" />
     <Compile Include="Ports\BTModulePort.cs" />
+    <Compile Include="Ports\FileSystemPort.cs" />
     <Compile Include="Ports\FileSystemWatcherPort.cs" />
     <Compile Include="Ports\PackageManagerPort.cs" />
     <Compile Include="Ports\WifiModulePort.cs" />
@@ -60,7 +61,6 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="lib\" />
-    <Folder Include="res\" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\TVHome\TVHome.csproj">
@@ -68,6 +68,9 @@
       <Name>TVHome</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="res\pinned_apps_info.xml" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
 		Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TVHome/TVHome/DataModels/AppControlAction.cs b/TVHome/TVHome/DataModels/AppControlAction.cs
index 62ad2ae..3fb1d3c 100644
--- a/TVHome/TVHome/DataModels/AppControlAction.cs
+++ b/TVHome/TVHome/DataModels/AppControlAction.cs
@@ -21,11 +21,11 @@ namespace TVHome.DataModels
 {
     class AppControlAction : IAction
     {
-        public string PkgID { get; set; }
+        public string AppID { get; set; }
         public string Execute()
         {
             string result = "default";
-            AppControlUtils.SendLaunchRequest(PkgID);
+            AppControlUtils.SendLaunchRequest(AppID);
 
             return result;
         }
diff --git a/TVHome/TVHome/DataModels/AppShortcutInfo.cs b/TVHome/TVHome/DataModels/AppShortcutInfo.cs
index 0d8314e..1e5cf0e 100644
--- a/TVHome/TVHome/DataModels/AppShortcutInfo.cs
+++ b/TVHome/TVHome/DataModels/AppShortcutInfo.cs
@@ -16,90 +16,18 @@
 
 using System;
 using System.Collections.Generic;
+using System.Xml.Serialization;
+
 
 namespace TVHome.DataModels
 {
-    public class AppShortcutInfo : ShortcutInfo, IDBItem
+    public class AppShortcutInfo : ShortcutInfo
     {
-        public string ID
-        {
-            get;
-            set;
-        }
-
-        public string PackageID
-        {
-            get;
-            set;
-        }
-
-        public string AppID
-        {
-            get;
-            set;
-        }
-
-        public string AppName
-        {
-            get;
-            set;
-        }
-
+        public string AppID { get; set; }
+       
         public override void UpdateState()
         {
             SetCurrentState("default");
         }
-
-        public void SetDBItem(IDBItem item)
-        {
-            int idx = 0;
-            foreach (var column in item.GetColumnValues())
-            {
-                SetColumnValue(idx++, column);
-            }
-        }
-
-        public string GetColumnValue(int idx)
-        {
-            switch (idx)
-            {
-                case 0: return ID;
-                case 1: return PackageID;
-                case 2: return AppID;
-                case 3: return AppName;
-            }
-
-            return "";
-        }
-
-        public void SetColumnValue(int idx, string value)
-        {
-            switch (idx)
-            {
-                case 0:
-                    ID = value;
-                    break;
-                case 1:
-                    PackageID = value;
-                    break;
-                case 2:
-                    AppID = value;
-                    break;
-                case 3:
-                    AppName = value;
-                    break;
-            }
-        }
-
-        public IEnumerable<string> GetColumnValues()
-        {
-            return new List<string>()
-            {
-                ID,
-                PackageID,
-                AppID,
-                AppName,
-            };
-        }
     }
 }
diff --git a/TVHome/TVHome/DataModels/ShortcutInfo.cs b/TVHome/TVHome/DataModels/ShortcutInfo.cs
index 37604c5..4873373 100644
--- a/TVHome/TVHome/DataModels/ShortcutInfo.cs
+++ b/TVHome/TVHome/DataModels/ShortcutInfo.cs
@@ -17,12 +17,14 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.Xml.Serialization;
 using TVHome.Utils;
 
 namespace TVHome.DataModels
 {
     public abstract class ShortcutInfo : INotifyPropertyChanged
     {
+        [XmlIgnore]
         private Dictionary<String, StateDescription> stateDescriptions = new Dictionary<String, StateDescription>();
 
         public event PropertyChangedEventHandler PropertyChanged;
@@ -36,6 +38,7 @@ namespace TVHome.DataModels
             }
         }
 
+        [XmlIgnore]
         public Dictionary<String, StateDescription> StateDescriptions
         {
             get
@@ -44,6 +47,7 @@ namespace TVHome.DataModels
             }
         }
 
+        [XmlIgnore]
         public StateDescription CurrentStateDescription
         {
             get;
diff --git a/TVHome/TVHome/Models/AppShortcutController.cs b/TVHome/TVHome/Models/AppShortcutController.cs
index 56b62a2..ce9d0f4 100644
--- a/TVHome/TVHome/Models/AppShortcutController.cs
+++ b/TVHome/TVHome/Models/AppShortcutController.cs
@@ -16,9 +16,12 @@
 
 using System;
 using System.Collections.Generic;
+using Xamarin.Forms;
+
 using TVHome.DataModels;
 using TVHome.Utils;
 
+
 namespace TVHome.Models
 {
     public class AppShortcutController
@@ -29,33 +32,59 @@ namespace TVHome.Models
 
         }
 
-        public bool Remove(AppShortcutInfo shortcut)
+        public IEnumerable<AppShortcutInfo> ReadFromFile()
         {
-            if (AppShortcutStorage.Instance.Delete(shortcut))
-            {
-                return true;
-            }
-            else
+            IApplicationManagerAPIs applicationManagerPort = DependencyService.Get<IApplicationManagerAPIs>();
+            // Accessing below directory is not permitted.
+            // IEnumerable<AppShortcutInfo> pinned_apps_info = AppShortcutStorage.ReadFromFile("/home/owner/apps_rw/TVHome.TizenTV/res/pinned_apps_info.xml");
+            IEnumerable<AppShortcutInfo> pinned_apps_info = AppShortcutStorage.ReadFromFile("/opt/usr/home/owner/share/pinned_apps_info.xml");
+            string[] icons = { "ic_black.png", "ic_blue.png", "ic_green.png", "ic_red.png", "ic_yellow.png", "AppIcon.png" };
+
+            foreach (AppShortcutInfo appShortcutInfo in pinned_apps_info)
             {
-                return false;
-            }
-        }
+                Dictionary<string, string> appInfo = applicationManagerPort.GetInstalledApplication(appShortcutInfo.AppID);
 
-        public bool ChangeOrder(AppShortcutInfo shortcut)
-        {
-            return false;
-        }
+                if (appInfo != null)
+                {
+                    string appLabel;
+                    string appIconPath;
 
-        public IEnumerable<AppShortcutInfo> GetPackageList()
-        {
-            IEnumerable<AppShortcutInfo> appList = AppShortcutStorage.Instance.Read();
-            return appList;
+                    appInfo.TryGetValue("Label",out appLabel);
+                    appInfo.TryGetValue("IconPath", out appIconPath);
+
+                    DebuggingUtils.Dbg("AppID: " + appShortcutInfo.AppID + ", Label : " + appLabel + " IconPath : " + appIconPath);
+                    var defaultStateDescription = new StateDescription()
+                    {
+                        Label = appLabel,
+                        IconPath = appIconPath,
+                        Action = new AppControlAction
+                        {
+                            AppID = appShortcutInfo.AppID,
+                        }
+                    };
+                    
+                    if (defaultStateDescription.IconPath == null || defaultStateDescription.IconPath.Length == 0)
+                    {
+                        Random random = new Random();
+                        defaultStateDescription.IconPath = icons[random.Next(0, 6)]; //IconPath = (resul5t[2] == null) ? "AppIcon.png" : result[2],
+                    }
+
+                    appShortcutInfo.StateDescriptions.Add("default", defaultStateDescription);
+                    appShortcutInfo.CurrentStateDescription = defaultStateDescription;
+                }
+                else
+                {
+                    // TODO : Remove the broken appInfo from pinned_apps_info
+                }
+            }
+            return pinned_apps_info;
         }
 
-        public AppShortcutInfo GetItem(string name)
+        public void WriteToFile(IEnumerable<AppShortcutInfo> pinnedAppsInfo)
         {
-            AppShortcutInfo shortcutInfo = AppShortcutStorage.Instance.Read(name);
-            return shortcutInfo;
+            // Accessing below directory is not permitted.
+            // AppShortcutStorage.WriteToFile(pinnedAppsInfo, "/home/owner/apps_rw/TVHome.TizenTV/res/pinned_apps_info.xml");
+            AppShortcutStorage.WriteToFile(pinnedAppsInfo, "/opt/usr/home/owner/share/pinned_apps_info.xml");
         }
 
         private bool AddAppShortcutChangedListener()
diff --git a/TVHome/TVHome/Models/RecentShortcutController.cs b/TVHome/TVHome/Models/RecentShortcutController.cs
index a0d305f..b81c4e9 100644
--- a/TVHome/TVHome/Models/RecentShortcutController.cs
+++ b/TVHome/TVHome/Models/RecentShortcutController.cs
@@ -62,7 +62,7 @@ namespace TVHome.Models
                     IconPath = item.Value[2],
                     Action = new AppControlAction()
                     {
-                        PkgID = item.Key
+                        AppID = item.Key
                     }
                 };
                 var recentShortcutInfo = new RecentShortcutInfo();
diff --git a/TVHome/TVHome/TVHome.csproj b/TVHome/TVHome/TVHome.csproj
index 39da450..d7d5f2a 100644
--- a/TVHome/TVHome/TVHome.csproj
+++ b/TVHome/TVHome/TVHome.csproj
@@ -73,6 +73,7 @@
     <Compile Include="Utils\IApplicationManagerAPIs.cs" />
     <Compile Include="Utils\IBTAPIs.cs" />
     <Compile Include="Utils\IDBAPIs.cs" />
+    <Compile Include="Utils\IFileSystemAPIs.cs" />
     <Compile Include="Utils\IFileSystemWatcherAPIs.cs" />
     <Compile Include="Utils\IPackageManager.cs" />
     <Compile Include="Utils\IWifiAPIs.cs" />
diff --git a/TVHome/TVHome/Utils/AppShortcutStorage.cs b/TVHome/TVHome/Utils/AppShortcutStorage.cs
index 6c349fb..8ebe083 100644
--- a/TVHome/TVHome/Utils/AppShortcutStorage.cs
+++ b/TVHome/TVHome/Utils/AppShortcutStorage.cs
@@ -18,8 +18,12 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml;
+using System.Xml.Serialization;
+using System.IO;
 
 using TVHome.DataModels;
+using TVHome.Utils;
 
 using Xamarin.Forms;
 
@@ -27,17 +31,9 @@ namespace TVHome.Utils
 {
     public class AppShortcutStorage
     {
-        private static List<HomeMenuAppShortcutInfo> HomeMenuList = new List<HomeMenuAppShortcutInfo>();
-        private static List<AppShortcutInfo> list = new List<AppShortcutInfo>();
         private static IFileSystemWatcherAPIs fileSystemWatcher = DependencyService.Get<IFileSystemWatcherAPIs>();
-
         private static AppShortcutStorage instance = new AppShortcutStorage();
 
-        private string DBName = "tvhome.apps";
-        //private string CreateTableStatement = "CREATE TABLE IF NOT EXISTS app_shortcut(" +
-        //private string CreateTableStatement = "CREATE TABLE app_shortcut(" +
-        //    "id TEXT PRIMARY KEY, package_id TEXT, app_id TEXT, app_name TEXT);";
-
         public static AppShortcutStorage Instance
         {
             get { return instance; }
@@ -47,131 +43,87 @@ namespace TVHome.Utils
         {
             fileSystemWatcher.Run();
         }
-
-        public bool Create(AppShortcutInfo app)
+        
+        private static List<AppShortcutInfo> GetSampleList()
         {
-            string query = "INSERT INTO app_shortcut VALUES(";
+            var pinnedAppsInfo = new List<AppShortcutInfo>();
 
-            foreach (var value in app.GetColumnValues())
+            pinnedAppsInfo.Add(new AppShortcutInfo()
             {
-                query += "'";
-                query += value;
-                query += "', ";
-            }
+                AppID = "org.tizen.settings",
+            });
 
-            query = query.Remove(query.Length - 2);
-            query += ");";
-
-            DebuggingUtils.Dbg(DBName + ", " + query);
-
-            if (DependencyService.Get<IDBAPIs>().ExecSQL(DBName, query) == false)
+            pinnedAppsInfo.Add(new AppShortcutInfo()
             {
-                DebuggingUtils.Err("DB inserting Failed!!! " + query);
-            }
+                AppID = "org.tizen.chromium-efl.ubrowser",
+            });
 
-            return false;
-        }
-
-        public AppShortcutInfo Read(string key)
-        {
-            AppShortcutInfo appShortcutInfo = null;
+            pinnedAppsInfo.Add(new AppShortcutInfo()
+            {
+                AppID = "org.tizen.dpm-toolkit",
+            });
 
-            foreach (var item in list)
+            pinnedAppsInfo.Add(new AppShortcutInfo()
             {
-                if (item.StateDescriptions["default"].Label.Equals(key))
-                {
-                    appShortcutInfo = item;
-                    return appShortcutInfo;
-                }
-            }
+                AppID = "org.tizen.infosquare",
+            });
 
-            return null;
-        }
+            pinnedAppsInfo.Add(new AppShortcutInfo()
+            {
+                AppID = "org.tizen.mediahub",
+            });
 
-        public IEnumerable<AppShortcutInfo> Read()
-        {
-            // DB Test code
-            /*
+            pinnedAppsInfo.Add(new AppShortcutInfo()
             {
-                DebuggingUtils.Dbg("Read test");
-                string query = "SELECT * FROM app_shortcut;";
-                IEnumerable<DBItem> items;
-
-                if (DependencyService.Get<IDBAPIs>().ExecSQL(DBName, query, out items) == false)
-                {
-                    DebuggingUtils.Err("DB Read Failed!!! " + query);
-                }
-
-                List<AppShortcutInfo> shortcuts = new List<AppShortcutInfo>();
-                foreach(var item in items)
-                {
-                    AppShortcutInfo s = new AppShortcutInfo();
-                    s.SetDBItem(item);
-                    shortcuts.Add(s);
-                }
-
-                // Testing code, instead of this shortcuts should be returned.
-                DebuggingUtils.Dbg("-----------------------");
-                foreach (var s in shortcuts)
-                {
-                    DebuggingUtils.Dbg(String.Format("AppShortcut, {0}, {1}, {2}", s.AppName, s.PackageID, s.AppID));
-                }
-                DebuggingUtils.Dbg("-----------------------");
-            }
-			*/
+                AppID = "org.tizen.heremaps-uc",
+            });
 
-            // Actual Test code
-            List<AppShortcutInfo> list = new List<AppShortcutInfo>();
-            Dictionary<string, string[]> pkgList = PackageManagerUtils.Instance.GetPackageList();
-            string[] icons = { "ic_black.png", "ic_blue.png", "ic_green.png", "ic_red.png", "ic_yellow.png", "AppIcon.png" };
-            Random random = new Random();
+            pinnedAppsInfo.Add(new AppShortcutInfo()
+            {
+                AppID = "org.tizen.ode",
+            });
 
-            string[] result;
-            AppShortcutInfo shortcutInfo;
+            pinnedAppsInfo.Add(new AppShortcutInfo()
+            {
+                AppID = "org.tizen.apps",
+            });
 
-            foreach (KeyValuePair<string, string[]> item in pkgList)
+            pinnedAppsInfo.Add(new AppShortcutInfo()
             {
-                result = pkgList[item.Key];
-                shortcutInfo = new AppShortcutInfo()
-                {
-                    StateDescriptions =
-                    {
-                        {
-                            "default",
-                            new StateDescription
-                            {
-                                Label = result[0],
-                                IconPath = icons[random.Next(0, 6)],//IconPath = (resul5t[2] == null) ? "AppIcon.png" : result[2],
-                                Action = new AppControlAction()
-                                {
-                                    PkgID = "org.tizen.settings"    // result[1]
-                                }
-                            }
-                        },
-                    }
-                };
-                shortcutInfo.UpdateState();
-                list.Add(shortcutInfo);
-            }
+                AppID = "org.tizen.home",
+            });
 
-            return list;
+            return pinnedAppsInfo;
         }
-
-        public bool Update(AppShortcutInfo shortcut)
+        public static List<AppShortcutInfo> ReadFromFile(string filePath)
         {
-            return false;
+            IFileSystemAPIs fileSystem = DependencyService.Get<IFileSystemAPIs>();
+            XmlSerializer serializer = new XmlSerializer(typeof(List<AppShortcutInfo>));
+            Stream fileStream = fileSystem.OpenFile(filePath, UtilFileMode.Open);
+            if (fileStream == null)
+            {
+                DebuggingUtils.Dbg("OpenFile failed : " + filePath);
+                // Below lines are just for sample 
+                List<AppShortcutInfo> result = GetSampleList();
+                WriteToFile(result, filePath);
+                return result;
+            }
+            StreamReader streamReader = new StreamReader(fileStream);
+            return (List<AppShortcutInfo>)serializer.Deserialize(streamReader);
         }
 
-        public bool Delete(AppShortcutInfo shortcut)
+        public static bool WriteToFile(IEnumerable<AppShortcutInfo> pinnedAppInfo, string filePath)
         {
-            if (list.Remove(shortcut))
-            {
-                return true;
-            }
-            else
-            {
+            IFileSystemAPIs fileSystem = DependencyService.Get<IFileSystemAPIs>();
+            XmlSerializer serializer = new XmlSerializer(typeof(List<AppShortcutInfo>));
+            Stream fileStream = fileSystem.OpenFile(filePath, UtilFileMode.OpenOrCreate);
+            if (fileStream == null)
                 return false;
-            }
+            StreamWriter streamWriter = new StreamWriter(fileStream);
+            serializer.Serialize(streamWriter, pinnedAppInfo);
+            streamWriter.Flush();
+            fileSystem.CloseFile(fileStream);
+            return true;
         }
 
         public void AddFileSystemChangedListener(EventHandler<EventArgs> eventListener)
diff --git a/TVHome/TVHome/Utils/IApplicationManagerAPIs.cs b/TVHome/TVHome/Utils/IApplicationManagerAPIs.cs
index afd41d4..4a01b73 100644
--- a/TVHome/TVHome/Utils/IApplicationManagerAPIs.cs
+++ b/TVHome/TVHome/Utils/IApplicationManagerAPIs.cs
@@ -25,5 +25,6 @@ namespace TVHome.Utils
     public interface IApplicationManagerAPIs
     {
         Task<Dictionary<string, string[]>> GetRecentApplications();
+        Dictionary<string, string> GetInstalledApplication(string applicationId);
     }
 }
diff --git a/TVHome/TVHome/Utils/IFileSystemAPIs.cs b/TVHome/TVHome/Utils/IFileSystemAPIs.cs
new file mode 100644
index 0000000..4deef2c
--- /dev/null
+++ b/TVHome/TVHome/Utils/IFileSystemAPIs.cs
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+
+namespace TVHome.Utils
+{
+    //
+    // 요약:
+    //     운영 체제에서 파일을 여는 방법을 지정합니다.
+    public enum UtilFileMode
+    {
+        CreateNew = 1,
+        Create = 2,
+        Open = 3,
+        OpenOrCreate = 4,
+        Truncate = 5,
+        Append = 6
+    }
+    public interface IFileSystemAPIs
+    {
+        Stream OpenFile(string filePath, UtilFileMode mode);
+        void Flush(Stream stream);
+        void CloseFile(Stream stream);
+
+    }
+}
diff --git a/TVHome/TVHome/ViewModels/MainPageViewModel.cs b/TVHome/TVHome/ViewModels/MainPageViewModel.cs
index 2d4482d..cd203bc 100644
--- a/TVHome/TVHome/ViewModels/MainPageViewModel.cs
+++ b/TVHome/TVHome/ViewModels/MainPageViewModel.cs
@@ -64,7 +64,7 @@ namespace TVHome.ViewModels
                                 IconPath = AppIconPath[i],
                                 Action = new AppControlAction()
                                 {
-                                    PkgID = AppControlID[i]
+                                    AppID = AppControlID[i]
                                 }
                             }
                         },
@@ -79,10 +79,11 @@ namespace TVHome.ViewModels
 
             MakeRecentButtons();
 
-            AppList = TVHomeImpl.GetInstance.AppShortcutControllerInstance.GetPackageList();
+            DebuggingUtils.Dbg("Reading Apps list");
+            AppList = TVHomeImpl.GetInstance.AppShortcutControllerInstance.ReadFromFile();
             OnPropertyChanged("AppList");
 
-            //SettingsList = TVHomeImpl.GetInstance.AppShortcutControllerInstnace.GetPackageList();
+            //SettingsList = TVHomeImpl.GetInstance.AppShortcutControllerInstnace.ReadFromFile();
             SettingsList = TVHomeImpl.GetInstance.SettingShortcutControllerInstance.GetList();
             OnPropertyChanged("SettingsList");
 
@@ -92,7 +93,7 @@ namespace TVHome.ViewModels
 
         private void TestFunction(object sender, EventArgs e)
         {
-            AppList = TVHomeImpl.GetInstance.AppShortcutControllerInstance.GetPackageList();
+            AppList = TVHomeImpl.GetInstance.AppShortcutControllerInstance.ReadFromFile();
             OnPropertyChanged("AppList");
         }