Merge branch 'profile-support'

lib/api.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:InvenTree/user_profile.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:cached_network_image/cached_network_image.dart';
@@ -67,15 +68,6 @@ class InvenTreeAPI {
   static const _URL_GET_TOKEN = "user/token/";
   static const _URL_GET_VERSION = "";
 
-  Future<void> showServerError(BuildContext context, String description) async {
-    showErrorDialog(
-      context,
-      I18N.of(context).serverError,
-      description,
-      icon: FontAwesomeIcons.server
-    );
-  }
-
   // Base URL for InvenTree API e.g. http://192.168.120.10:8000
   String _BASE_URL = "";
 
@@ -108,14 +100,11 @@ class InvenTreeAPI {
 
   String makeUrl(String endpoint) => _makeUrl(endpoint);
 
-  String _username = "";
+  UserProfile profile;
-  String _password = "";
 
   // Authentication token (initially empty, must be requested)
   String _token = "";
 
-  bool isConnected() => _token.isNotEmpty;
-
   /*
    * Check server connection and display messages if not connected.
    * Useful as a precursor check before performing operations.
@@ -126,10 +115,10 @@ class InvenTreeAPI {
       showDialog(
           context: context,
           child: new SimpleDialog(
-              title: new Text("Not Connected"),
+              title: new Text(I18N.of(context).notConnected),
               children: <Widget>[
                 ListTile(
-                  title: Text("Server not connected"),
+                  title: Text(I18N.of(context).serverNotConnected),
                 )
               ]
           )
@@ -154,8 +143,14 @@ class InvenTreeAPI {
   // Connection status flag - set once connection has been validated
   bool _connected = false;
 
-  bool get connected {
+  bool _connecting = true;
-    return _connected && baseUrl.isNotEmpty && _token.isNotEmpty;
+
+  bool isConnected() {
+    return profile != null && _connected && baseUrl.isNotEmpty && _token.isNotEmpty;
+  }
+
+  bool isConnecting() {
+    return !isConnected() && _connecting;
   }
 
   // Ensure we only ever create a single instance of the API class
@@ -167,26 +162,17 @@ class InvenTreeAPI {
 
   InvenTreeAPI._internal();
 
-  Future<bool> connect(BuildContext context) async {
+  Future<bool> _connect(BuildContext context) async {
-    var prefs = await SharedPreferences.getInstance();
-
-    String server = prefs.getString("server");
-    String username = prefs.getString("username");
-    String password = prefs.getString("password");
-
-    return connectToServer(context, server, username, password);
-  }
-
-  Future<bool> connectToServer(BuildContext context, String address, String username, String password) async {
 
     /* Address is the base address for the InvenTree server,
      * e.g. http://127.0.0.1:8000
      */
 
-    String errorMessage = "";
+    if (profile == null) return false;
 
-    address = address.trim();
+    String address = profile.server.trim();
-    username = username.trim();
+    String username = profile.username.trim();
+    String password = profile.password.trim();
 
     if (address.isEmpty || username.isEmpty || password.isEmpty) {
       await showErrorDialog(
@@ -211,41 +197,39 @@ class InvenTreeAPI {
      */
 
     _BASE_URL = address;
-    _username = username;
-    _password = password;
 
-    _connected = false;
+    print("Connecting to ${apiUrl} -> ${username}:${password}");
-
-    print("Connecting to " + apiUrl + " -> " + username + ":" + password);
 
     var response = await get("").timeout(Duration(seconds: 10)).catchError((error) {
 
+      print("Error connecting to server: ${error.toString()}");
+
       if (error is SocketException) {
-        errorMessage = "Could not connect to server";
+        showServerError(
+            context,
+            I18N.of(context).connectionRefused,
+            error.toString());
         return null;
       } else if (error is TimeoutException) {
-        errorMessage = "Server timeout";
+        showTimeoutError(context);
         return null;
       } else {
-        // Unknown error type
+        // Unknown error type - re-throw the error and Sentry will catch it
-        errorMessage = error.toString();
+        throw error;
-        // Unknown error type, re-throw error
-        return null;
       }
     });
 
     if (response == null) {
       // Null (or error) response: Show dialog and exit
-
-      await showServerError(context, errorMessage);
       return false;
     }
 
     if (response.statusCode != 200) {
       // Any status code other than 200!
 
+      showStatusCodeError(context, response.statusCode);
+
       // TODO: Interpret the error codes and show custom message?
-      await showServerError(context, "Invalid response code: ${response.statusCode.toString()}");
       return false;
     }
 
@@ -254,29 +238,30 @@ class InvenTreeAPI {
     print("Response from server: $data");
 
     // We expect certain response from the server
-    if (!data.containsKey("server") || !data.containsKey("version")) {
+    if (!data.containsKey("server") || !data.containsKey("version") || !data.containsKey("instance")) {
+
+      showServerError(
+        context,
+        "Missing Data",
+        "Server response missing required fields"
+      );
 
-      await showServerError(context, "Server response missing required fields");
       return false;
     }
 
-    print("Server: " + data["server"]);
+    // Record server information
-    print("Version: " + data["version"]);
-
     _version = data["version"];
-
-    if (!_checkServerVersion(_version)) {
-      await showServerError(context, "Server version is too old.\n\nServer Version: ${_version}\n\nRequired version: ${_requiredVersionString}");
-      return false;
-    }
-
-    // Record the instance name of the server
     instance = data['instance'] ?? '';
 
-    // Request token from the server if we do not already have one
+    // Check that the remote server version is *new* enough
-    if (false && _token.isNotEmpty) {
+    if (!_checkServerVersion(_version)) {
-      print("Already have token - $_token");
+      showServerError(
-      return true;
+          context,
+          "Old Server Version",
+          "\n\nServer Version: ${_version}\n\nRequired version: ${_requiredVersionString}"
+      );
+
+      return false;
     }
 
     // Clear the existing token value
@@ -285,24 +270,33 @@ class InvenTreeAPI {
     print("Requesting token from server");
 
     response = await get(_URL_GET_TOKEN).timeout(Duration(seconds: 10)).catchError((error) {
+
       print("Error requesting token:");
       print(error);
-      return null;
+
     });
 
     if (response == null) {
-      await showServerError(context, "Error requesting access token");
+      showServerError(
+          context, "Token Error", "Error requesting access token from server"
+      );
+
       return false;
     }
 
     if (response.statusCode != 200) {
-      await showServerError(context, "Invalid status code: ${response.statusCode.toString()}");
+      showStatusCodeError(context, response.statusCode);
       return false;
     } else {
       var data = json.decode(response.body);
 
       if (!data.containsKey("token")) {
-        await showServerError(context, "No token provided in response");
+        showServerError(
+          context,
+          "Missing Token",
+          "Access token missing from response"
+        );
+
         return false;
       }
 
@@ -312,10 +306,50 @@ class InvenTreeAPI {
 
       _connected = true;
 
+      // Ok, probably pretty good...
       return true;
     };
   }
 
+  bool disconnectFromServer() {
+    print("InvenTreeAPI().disconnectFromServer()");
+
+    _connected = false;
+    _connecting = false;
+    _token = '';
+    profile = null;
+  }
+
+  Future<bool> connectToServer(BuildContext context) async {
+
+    // Ensure server is first disconnected
+    disconnectFromServer();
+
+    // Load selected profile
+    profile = await UserProfileDBManager().getSelectedProfile();
+
+    print("API Profile: ${profile.toString()}");
+
+    if (profile == null) {
+      await showErrorDialog(
+          context,
+          "Select Profile",
+          "User profile not selected"
+      );
+      return false;
+    }
+
+    _connecting = true;
+
+    bool result = await _connect(context);
+
+    print("_connect() returned result: ${result}");
+
+    _connecting = false;
+
+    return result;
+  }
+
   // Perform a PATCH request
   Future<http.Response> patch(String url, {Map<String, String> body}) async {
     var _url = makeApiUrl(url);
@@ -399,7 +433,9 @@ class InvenTreeAPI {
   Map<String, String> defaultHeaders() {
     var headers = Map<String, String>();
 
-    headers[HttpHeaders.authorizationHeader] = _authorizationHeader();
+    if (profile != null) {
+      headers[HttpHeaders.authorizationHeader] = _authorizationHeader(profile.username, profile.password);
+    }
 
     return headers;
   }
@@ -410,11 +446,11 @@ class InvenTreeAPI {
     return headers;
   }
 
-  String _authorizationHeader() {
+  String _authorizationHeader(String username, String password) {
     if (_token.isNotEmpty) {
       return "Token $_token";
     } else {
-      return "Basic " + base64Encode(utf8.encode('$_username:$_password'));
+      return "Basic " + base64Encode(utf8.encode('${username}:${password}'));
     }
   }
 

lib/barcode.dart

@@ -7,6 +7,7 @@ import 'package:qr_code_scanner/qr_code_scanner.dart';
 
 import 'package:InvenTree/inventree/stock.dart';
 import 'package:InvenTree/inventree/part.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 import 'package:InvenTree/api.dart';
 
@@ -65,14 +66,11 @@ class BarcodeHandler {
       );
     }
 
-    Future<void> processBarcode(BuildContext context, QRViewController _controller, String barcode, {String url = "barcode/", bool show_dialog = false}) {
+    Future<void> processBarcode(BuildContext context, QRViewController _controller, String barcode, {String url = "barcode/"}) {
       this._context = context;
       this._controller = _controller;
 
       print("Scanned barcode data: ${barcode}");
-      if (show_dialog) {
-        showProgressDialog(context, "Scanning", "Sending barcode data to server");
-      }
 
       // Send barcode request to server
       InvenTreeAPI().post(
@@ -82,10 +80,6 @@ class BarcodeHandler {
           }
       ).then((var response) {
 
-        if (show_dialog) {
-          hideProgressDialog(context);
-        }
-
         if (response.statusCode != 200) {
           showErrorDialog(
             context,
@@ -118,10 +112,6 @@ class BarcodeHandler {
           Duration(seconds: 5)
       ).catchError((error) {
 
-        if (show_dialog) {
-          hideProgressDialog(context);
-        }
-
         showErrorDialog(
             context,
             "Error",
@@ -207,7 +197,7 @@ class BarcodeScanHandler extends BarcodeHandler {
       showDialog(
           context: _context,
           child: SimpleDialog(
-            title: Text("Unknown response"),
+            title: Text(I18N.of(_context).unknownResponse),
             children: <Widget>[
               ListTile(
                 title: Text("Response data"),

lib/inventree/model.dart

@@ -1,10 +1,13 @@
 import 'dart:async';
+import 'dart:io';
 
 import 'package:InvenTree/api.dart';
 import 'package:InvenTree/widget/dialogs.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:url_launcher/url_launcher.dart';
 
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
 import 'dart:convert';
 
 import 'package:path/path.dart' as path;
@@ -105,24 +108,24 @@ class InvenTreeModel {
   /*
    * Reload this object, by requesting data from the server
    */
-  Future<bool> reload(BuildContext context, {bool dialog = false}) async {
+  Future<bool> reload(BuildContext context) async {
-
-    if (dialog) {
-      showProgressDialog(context, "Refreshing data", "Refreshing data for ${NAME}");
-    }
 
     var response = await api.get(url, params: defaultGetFilters())
       .timeout(Duration(seconds: 10))
       .catchError((e) {
 
-          if (dialog) {
+          if (e is SocketException) {
-            hideProgressDialog(context);
+            showServerError(
+              context,
+              I18N.of(context).connectionRefused,
+              e.toString()
+            );
           }
-
+          else if (e is TimeoutException) {
-          if (e is TimeoutException) {
+            showTimeoutError(context);
-            showErrorDialog(context, "Timeout", "No response from server");
           } else {
-            showErrorDialog(context, "Error", e.toString());
+            // Re-throw the error (Sentry will catch)
+            throw e;
           }
 
           return null;
@@ -132,11 +135,8 @@ class InvenTreeModel {
       return false;
     }
 
-    if (dialog) {
-      hideProgressDialog(context);
-    }
-
     if (response.statusCode != 200) {
+      showStatusCodeError(context, response.statusCode);
       print("Error retrieving data");
       return false;
     }
@@ -149,7 +149,7 @@ class InvenTreeModel {
   }
 
   // POST data to update the model
-  Future<bool> update(BuildContext context, {Map<String, String> values, bool show_dialog = false}) async {
+  Future<bool> update(BuildContext context, {Map<String, String> values}) async {
 
     var addr = path.join(URL, pk.toString());
 
@@ -157,22 +157,21 @@ class InvenTreeModel {
       addr += "/";
     }
 
-    if (show_dialog) {
-      showProgressDialog(context, "Updating ${NAME}", "Sending data to server");
-    }
-
     var response = await api.patch(addr, body: values)
         .timeout(Duration(seconds: 10))
         .catchError((e) {
 
-          if (show_dialog) {
+          if (e is SocketException) {
-            hideProgressDialog(context);
+            showServerError(
-          }
+              context,
-
+              I18N.of(context).connectionRefused,
-          if (e is TimeoutException) {
+              e.toString()
-            showErrorDialog(context, "Timeout", "No response from server");
+            );
+          } else if (e is TimeoutException) {
+            showTimeoutError(context);
           } else {
-            showErrorDialog(context, "Error", e.toString());
+            // Re-throw the error, let Sentry report it
+            throw e;
           }
 
           return null;
@@ -180,12 +179,8 @@ class InvenTreeModel {
 
     if (response == null) return false;
 
-    if (show_dialog) {
-      hideProgressDialog(context);
-    }
-
     if (response.statusCode != 200) {
-      print("Error updating ${NAME}: Status code ${response.statusCode}");
+      showStatusCodeError(context, response.statusCode);
       return false;
     }
 
@@ -194,7 +189,7 @@ class InvenTreeModel {
   }
 
   // Return the detail view for the associated pk
-  Future<InvenTreeModel> get(BuildContext context, int pk, {Map<String, String> filters, bool dialog = false}) async {
+  Future<InvenTreeModel> get(BuildContext context, int pk, {Map<String, String> filters}) async {
 
     // TODO - Add "timeout"
     // TODO - Add error catching
@@ -216,22 +211,18 @@ class InvenTreeModel {
 
     print("GET: $addr ${params.toString()}");
 
-    if (dialog) {
-      showProgressDialog(context, "Requesting Data", "Requesting ${NAME} data from server");
-    }
-
     var response = await api.get(addr, params: params)
         .timeout(Duration(seconds: 10))
         .catchError((e) {
 
-          if (dialog) {
+          if (e is SocketException) {
-            hideProgressDialog(context);
+            showServerError(context, I18N.of(context).connectionRefused, e.toString());
           }
-
+          else if (e is TimeoutException) {
-          if (e is TimeoutException) {
+            showTimeoutError(context);
-            showErrorDialog(context, "Timeout", "No response from server");
           } else {
-            showErrorDialog(context, "Error", e.toString());
+            // Re-throw the error (handled by Sentry)
+            throw e;
           }
           return null;
       });
@@ -240,10 +231,8 @@ class InvenTreeModel {
       return null;
     }
 
-    hideProgressDialog(context);
-
     if (response.statusCode != 200) {
-      print("Error retrieving data");
+      showStatusCodeError(context, response.statusCode);
       return null;
     }
 
@@ -266,11 +255,24 @@ class InvenTreeModel {
 
     InvenTreeModel _model;
 
-    await api.post(URL, body: data)
+    await api.post(URL, body: data).timeout(Duration(seconds: 10)).catchError((e) {
-    .timeout(Duration(seconds: 5))
+      print("Error during CREATE");
-    .catchError((e) {
-      print("Error creating new ${NAME}:");
       print(e.toString());
+
+      if (e is SocketException) {
+        showServerError(
+            context,
+            I18N.of(context).connectionRefused,
+            e.toString()
+        );
+      }
+      else if (e is TimeoutException) {
+        showTimeoutError(context);
+      } else {
+        // Re-throw the error (Sentry will catch)
+        throw e;
+      }
+
       return null;
     })
     .then((http.Response response) {
@@ -279,8 +281,7 @@ class InvenTreeModel {
         var decoded = json.decode(response.body);
         _model = createFromJson(decoded);
       } else {
-        print("Error creating object: Status Code ${response.statusCode}");
+        showStatusCodeError(context, response.statusCode);
-        print(response.body);
       }
     });
 
@@ -288,7 +289,7 @@ class InvenTreeModel {
   }
 
   // Return list of objects from the database, with optional filters
-  Future<List<InvenTreeModel>> list(BuildContext context, {Map<String, String> filters, bool dialog=false}) async {
+  Future<List<InvenTreeModel>> list(BuildContext context, {Map<String, String> filters}) async {
 
     if (filters == null) {
       filters = {};
@@ -307,20 +308,19 @@ class InvenTreeModel {
     // TODO - Add "timeout"
     // TODO - Add error catching
 
-    if (dialog) {
-      showProgressDialog(context, "Requesting Data", "Requesting ${NAME} data from server");
-    }
-
     var response = await api.get(URL, params:params)
       .timeout(Duration(seconds: 10))
       .catchError((e) {
 
-        if (dialog) {
+        if (e is SocketException) {
-          hideProgressDialog(context);
+          showServerError(
+              context,
+              I18N.of(context).connectionRefused,
+              e.toString()
+          );
         }
-
+        else if (e is TimeoutException) {
-        if (e is TimeoutException) {
+          showTimeoutError(context);
-          showErrorDialog(context, "Timeout", "No response from server");
         } else {
           // Re-throw the error
           throw e;
@@ -333,15 +333,13 @@ class InvenTreeModel {
       return null;
     }
 
-    if (dialog) {
-      hideProgressDialog(context);
-    }
-
     // A list of "InvenTreeModel" items
     List<InvenTreeModel> results = new List<InvenTreeModel>();
 
     if (response.statusCode != 200) {
-      print("Error retreiving data");
+      showStatusCodeError(context, response.statusCode);
+
+      // Return empty list
       return results;
     }
 
@@ -399,8 +397,6 @@ class InvenTreeModel {
 
     return true;
   }
-
-
 }
 
 

lib/inventree/part.dart

@@ -155,13 +155,12 @@ class InvenTreePart extends InvenTreeModel {
   // Request stock items for this part
   Future<void> getStockItems(BuildContext context, {bool showDialog=false}) async {
 
-    InvenTreeStockItem().list(
+    await InvenTreeStockItem().list(
       context,
       filters: {
         "part": "${pk}",
         "in_stock": "true",
       },
-      dialog: showDialog,
     ).then((var items) {
       stockItems.clear();
 
@@ -186,7 +185,6 @@ class InvenTreePart extends InvenTreeModel {
       filters: {
         "part": "${pk}",
       },
-      dialog: showDialog,
     ).then((var templates) {
 
       testingTemplates.clear();
@@ -205,6 +203,15 @@ class InvenTreePart extends InvenTreeModel {
     // Get the stock count for this Part
     double get inStock => double.tryParse(jsondata['in_stock'].toString() ?? '0');
 
+    String get inStockString {
+
+      if (inStock == inStock.toInt()) {
+        return inStock.toInt().toString();
+      } else {
+        return inStock.toString();
+      }
+    }
+
     // Get the number of units being build for this Part
     double get building => double.tryParse(jsondata['building'].toString() ?? '0');
 

lib/inventree/stock.dart

@@ -97,7 +97,6 @@ class InvenTreeStockItem extends InvenTreeModel {
       filters: {
         "part": "${partId}",
       },
-      dialog: showDialog,
     ).then((var templates) {
       testTemplates.clear();
 
@@ -113,7 +112,7 @@ class InvenTreeStockItem extends InvenTreeModel {
 
   int get testResultCount => testResults.length;
 
-  Future<void> getTestResults(BuildContext context, {bool showDialog=false}) async {
+  Future<void> getTestResults(BuildContext context) async {
 
     await InvenTreeStockItemTestResult().list(
       context,
@@ -121,7 +120,6 @@ class InvenTreeStockItem extends InvenTreeModel {
         "stock_item": "${pk}",
         "user_detail": "true",
       },
-      dialog: showDialog,
     ).then((var results) {
       testResults.clear();
 
@@ -287,6 +285,11 @@ class InvenTreeStockItem extends InvenTreeModel {
       return 'SN ${serialNumber}';
     }
 
+    // Is an integer?
+    if (quantity.toInt() == quantity) {
+      return '${quantity.toInt()}';
+    }
+
     return '${quantity}';
   }
 

lib/l10n

@@ -1 +1 @@
-Subproject commit 58e2c5027b481a3a620c27b90ae20b888a02bd96
+Subproject commit 90f3bbf1fae86efd0bb0686bef12452a09507669

lib/main.dart

@@ -8,12 +8,14 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 import 'dsn.dart';
-import 'preferences.dart';
 
 import 'package:sentry/sentry.dart';
 
 // Use the secret app key
-final SentryClient _sentry = SentryClient(dsn: SENTRY_DSN_KEY);
+final SentryClient _sentry = SentryClient(
+    SentryOptions(
+        dsn: SENTRY_DSN_KEY,
+    ));
 
 bool isInDebugMode() {
   bool inDebugMode = false;
@@ -31,13 +33,15 @@ Future<void> _reportError(dynamic error, dynamic stackTrace) async {
     print(stackTrace);
     return;
   } else {
-    // Send the Exception and Stacktrace to Sentry in Production mode.
+    try {
-    _sentry.captureException(
+      await _sentry.captureException(
-      exception: error,
+        error,
-      stackTrace: stackTrace,
+        stackTrace: stackTrace
       );
-
+    } catch (e) {
-    print("Sending error to sentry.io");
+      print("Sending error report to sentry.io failed: ${e}");
+      print("Original error: ${error}");
+    }
   }
 }
 
@@ -47,12 +51,8 @@ void main() async {
 
   runZoned<Future<void>>(() async {
     runApp(InvenTreeApp());
-  }, onError: (error, stackTrace) {
+    }, onError: _reportError
-    // Whenever an error occurs, call the `_reportError` function. This sends
+  );
-    // Dart errors to the dev console or Sentry depending on the environment.
-    _reportError(error, stackTrace);
-  });
-
 }
 
 class InvenTreeApp extends StatelessWidget {

lib/preferences.dart

@@ -1,8 +1,57 @@
 import 'package:flutter/cupertino.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'api.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:sembast/sembast.dart';
+import 'package:sembast/sembast_io.dart';
+import 'package:path/path.dart';
+import 'dart:async';
 
 
+/*
+ * Class for storing InvenTree preferences in a NoSql DB
+ */
+class InvenTreePreferencesDB {
+
+  static final InvenTreePreferencesDB _singleton = InvenTreePreferencesDB._();
+
+  static InvenTreePreferencesDB get instance => _singleton;
+
+  InvenTreePreferencesDB._();
+
+  Completer<Database> _dbOpenCompleter;
+
+  Future<Database> get database async {
+    // If completer is null, AppDatabaseClass is newly instantiated, so database is not yet opened
+    if (_dbOpenCompleter == null) {
+      _dbOpenCompleter = Completer();
+      // Calling _openDatabase will also complete the completer with database instance
+      _openDatabase();
+    }
+    // If the database is already opened, awaiting the future will happen instantly.
+    // Otherwise, awaiting the returned future will take some time - until complete() is called
+    // on the Completer in _openDatabase() below.
+    return _dbOpenCompleter.future;
+  }
+
+  Future _openDatabase() async {
+    // Get a platform-specific directory where persistent app data can be stored
+    final appDocumentDir = await getApplicationDocumentsDirectory();
+
+    print("Documents Dir: ${appDocumentDir.toString()}");
+
+    print("Path: ${appDocumentDir.path}");
+
+    // Path with the form: /platform-specific-directory/demo.db
+    final dbPath = join(appDocumentDir.path, 'InvenTreeSettings.db');
+
+    final database = await databaseFactoryIo.openDatabase(dbPath);
+
+    // Any code awaiting the Completer's future will now start executing
+    _dbOpenCompleter.complete(database);
+  }
+}
+
 class InvenTreePreferences {
 
   static const String _SERVER = 'server';
@@ -34,30 +83,4 @@ class InvenTreePreferences {
   }
 
   InvenTreePreferences._internal();
-
-  // Load saved login details, and attempt connection
-  void loadLoginDetails(BuildContext context) async {
-
-    print("Loading login details");
-
-    SharedPreferences prefs = await SharedPreferences.getInstance();
-
-    var server = prefs.getString(_SERVER) ?? '';
-    var username = prefs.getString(_USERNAME) ?? '';
-    var password = prefs.getString(_PASSWORD) ?? '';
-
-    await InvenTreeAPI().connectToServer(context, server, username, password);
-  }
-
-  void saveLoginDetails(BuildContext context, String server, String username, String password) async {
-
-    SharedPreferences prefs = await SharedPreferences.getInstance();
-
-    await prefs.setString(_SERVER, server);
-    await prefs.setString(_USERNAME, username);
-    await prefs.setString(_PASSWORD, password);
-
-    // Reconnect the API
-    await InvenTreeAPI().connectToServer(context, server, username, password);
-  }
 }

lib/settings/about.dart

@@ -15,48 +15,96 @@ class InvenTreeAboutWidget extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
 
-    return Scaffold(
+    List<Widget> tiles = [];
-      appBar: AppBar(
+
-        title: Text("About InvenTree"),
+    tiles.add(
-      ),
-      body: ListView(
-        children: <Widget>[
       ListTile(
-            title: Text(I18N.of(context).serverDetails),
+        title: Text(
+          I18N.of(context).serverDetails,
+          style: TextStyle(fontWeight: FontWeight.bold),
         ),
+      )
+    );
+
+    if (InvenTreeAPI().isConnected()) {
+      tiles.add(
           ListTile(
             title: Text(I18N.of(context).address),
             subtitle: Text(InvenTreeAPI().baseUrl.isNotEmpty ? InvenTreeAPI().baseUrl : "Not connected"),
-          ),
+          )
+      );
+
+      tiles.add(
         ListTile(
           title: Text(I18N.of(context).version),
           subtitle: Text(InvenTreeAPI().version.isNotEmpty ? InvenTreeAPI().version : "Not connected"),
-          ),
+        )
+      );
+
+      tiles.add(
         ListTile(
-            title: Text("Server Instance"),
+          title: Text(I18N.of(context).serverInstance),
           subtitle: Text(InvenTreeAPI().instance.isNotEmpty ? InvenTreeAPI().instance : "Not connected"),
-          ),
+        )
-          Divider(),
+      );
+    } else {
+      tiles.add(
         ListTile(
-            title: Text(I18N.of(context).appDetails),
+          title: Text(I18N.of(context).notConnected),
+          subtitle: Text(
+            I18N.of(context).serverNotConnected,
+            style: TextStyle(fontStyle: FontStyle.italic),
+          )
+        )
+      );
+    }
+
+    tiles.add(
+      ListTile(
+        title: Text(
+          I18N.of(context).appDetails,
+          style: TextStyle(fontWeight: FontWeight.bold),
         ),
+      )
+    );
+
+    tiles.add(
       ListTile(
       title: Text(I18N.of(context).name),
       subtitle: Text("${info.appName}"),
-          ),
+      )
+    );
+
+    tiles.add(
       ListTile(
-            title: Text("Package Name"),
+        title: Text(I18N.of(context).packageName),
         subtitle: Text("${info.packageName}"),
-          ),
+      )
+    );
+
+    tiles.add(
       ListTile(
         title: Text(I18N.of(context).version),
         subtitle: Text("${info.version}"),
-          ),
+      )
+    );
+
+    tiles.add(
       ListTile(
         title: Text(I18N.of(context).build),
         subtitle: Text("${info.buildNumber}"),
       )
-        ],
+    );
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(I18N.of(context).appAbout),
+      ),
+      body: ListView(
+        children: ListTile.divideTiles(
+          context: context,
+          tiles: tiles,
+        ).toList(),
       )
     );
   }

lib/settings/login.dart

@@ -1,37 +1,141 @@
+import 'package:InvenTree/widget/dialogs.dart';
+import 'package:InvenTree/widget/fields.dart';
+import 'package:InvenTree/widget/spinner.dart';
+
 import 'package:flutter/material.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 
 import '../api.dart';
 import '../preferences.dart';
+import '../user_profile.dart';
 
 class InvenTreeLoginSettingsWidget extends StatefulWidget {
 
-  final SharedPreferences _preferences;
-
-  InvenTreeLoginSettingsWidget(this._preferences) : super();
-
   @override
-  _InvenTreeLoginSettingsState createState() => _InvenTreeLoginSettingsState(_preferences);
+  _InvenTreeLoginSettingsState createState() => _InvenTreeLoginSettingsState();
 }
 
 
 class _InvenTreeLoginSettingsState extends State<InvenTreeLoginSettingsWidget> {
 
+  final GlobalKey<_InvenTreeLoginSettingsState> _loginKey = GlobalKey<_InvenTreeLoginSettingsState>();
+
   final GlobalKey<FormState> _formKey = new GlobalKey<FormState>();
 
-  final SharedPreferences _preferences;
+  final GlobalKey<FormState> _addProfileKey = new GlobalKey<FormState>();
 
-  String _server = '';
+  List<UserProfile> profiles;
-  String _username = '';
-  String _password = '';
 
-  _InvenTreeLoginSettingsState(this._preferences) : super() {
+  _InvenTreeLoginSettingsState() {
-    _server = _preferences.getString('server') ?? '';
+    _reload();
-    _username = _preferences.getString('username') ?? '';
-    _password = _preferences.getString('password') ?? '';
   }
 
+  void _reload() async {
+
+    profiles = await UserProfileDBManager().getAllProfiles();
+
+    setState(() {
+    });
+  }
+
+  void _editProfile(BuildContext context, {UserProfile userProfile, bool createNew = false}) {
+
+    var _name;
+    var _server;
+    var _username;
+    var _password;
+
+    UserProfile profile;
+
+    if (userProfile != null) {
+      profile = userProfile;
+    }
+
+    showFormDialog(
+      context,
+      I18N.of(context).profileAdd,
+      key: _addProfileKey,
+      actions: <Widget> [
+        FlatButton(
+          child: Text(I18N.of(context).cancel),
+          onPressed: () {
+            Navigator.of(context).pop();
+          }
+        ),
+        FlatButton(
+          child: Text(I18N.of(context).save),
+          onPressed: () {
+            if (_addProfileKey.currentState.validate()) {
+              _addProfileKey.currentState.save();
+
+              if (createNew) {
+                // TODO - create the new profile...
+                UserProfile profile = UserProfile(
+                  name: _name,
+                  server: _server,
+                  username: _username,
+                  password: _password
+                );
+
+                _addProfile(profile);
+              } else {
+
+                profile.name = _name;
+                profile.server = _server;
+                profile.username = _username;
+                profile.password = _password;
+
+                _updateProfile(profile);
+
+              }
+            }
+          }
+        )
+      ],
+      fields: <Widget> [
+        StringField(
+          label: I18N.of(context).name,
+          hint: "Enter profile name",
+          initial: createNew ? '' : profile.name,
+          onSaved: (value) => _name = value,
+          validator: _validateProfileName,
+        ),
+        StringField(
+          label: I18N.of(context).server,
+          hint: "http[s]://<server>:<port>",
+          initial: createNew ? '' : profile.server,
+          validator: _validateServer,
+          onSaved: (value) => _server = value,
+        ),
+        StringField(
+          label: I18N.of(context).username,
+          hint: "Enter username",
+          initial: createNew ? '' : profile.username,
+          onSaved: (value) => _username = value,
+          validator: _validateUsername,
+        ),
+        StringField(
+          label: I18N.of(context).password,
+          hint: "Enter password",
+          initial: createNew ? '' : profile.password,
+          onSaved: (value) => _password = value,
+          validator: _validatePassword,
+        )
+      ]
+    );
+  }
+
+  String _validateProfileName(String value) {
+
+    if (value.isEmpty) {
+      return 'Profile name cannot be empty';
+    }
+
+    // TODO: Check if a profile already exists with ths name
+
+    return null;
+  }
 
   String _validateServer(String value) {
 
@@ -43,6 +147,8 @@ class _InvenTreeLoginSettingsState extends State<InvenTreeLoginSettingsWidget> {
       return 'Server must start with http[s]';
     }
 
+    // TODO: URL validator
+
     return null;
   }
 
@@ -62,12 +168,94 @@ class _InvenTreeLoginSettingsState extends State<InvenTreeLoginSettingsWidget> {
     return null;
   }
 
-  void _save(BuildContext context) async {
+  void _selectProfile(BuildContext context, UserProfile profile) async {
-    if (_formKey.currentState.validate()) {
-      _formKey.currentState.save();
 
-      await InvenTreePreferences().saveLoginDetails(context, _server, _username, _password);
+    // Disconnect InvenTree
+    InvenTreeAPI().disconnectFromServer();
 
+    await UserProfileDBManager().selectProfile(profile.key);
+
+    _reload();
+
+    // Attempt server login (this will load the newly selected profile
+    InvenTreeAPI().connectToServer(_loginKey.currentContext).then((result) {
+      _reload();
+    });
+
+    _reload();
+  }
+
+  void _deleteProfile(UserProfile profile) async {
+
+    await UserProfileDBManager().deleteProfile(profile);
+
+    // Close the dialog
+    Navigator.of(context).pop();
+
+    _reload();
+
+    if (InvenTreeAPI().isConnected() && profile.key == InvenTreeAPI().profile.key) {
+      InvenTreeAPI().disconnectFromServer();
+    }
+  }
+
+  void _updateProfile(UserProfile profile) async {
+
+    await UserProfileDBManager().updateProfile(profile);
+
+    // Dismiss the dialog
+    Navigator.of(context).pop();
+
+    _reload();
+
+    if (InvenTreeAPI().isConnected() && profile.key == InvenTreeAPI().profile.key) {
+      // Attempt server login (this will load the newly selected profile
+
+      InvenTreeAPI().connectToServer(_loginKey.currentContext).then((result) {
+        _reload();
+      });
+    }
+  }
+
+  void _addProfile(UserProfile profile) async {
+
+    await UserProfileDBManager().addProfile(profile);
+
+    // Dismiss the create dialog
+    Navigator.of(context).pop();
+
+    _reload();
+  }
+
+  Widget _getProfileIcon(UserProfile profile) {
+
+    // Not selected? No icon for you!
+    if (profile == null || !profile.selected) return null;
+
+    // Selected, but (for some reason) not the same as the API...
+    if (InvenTreeAPI().profile == null || InvenTreeAPI().profile.key != profile.key) {
+      return FaIcon(
+        FontAwesomeIcons.questionCircle,
+        color: Color.fromRGBO(250, 150, 50, 1)
+      );
+    }
+
+    // Reflect the connection status of the server
+    if (InvenTreeAPI().isConnected()) {
+      return FaIcon(
+        FontAwesomeIcons.checkCircle,
+        color: Color.fromRGBO(50, 250, 50, 1)
+      );
+    } else if (InvenTreeAPI().isConnecting()) {
+      return Spinner(
+        icon: FontAwesomeIcons.spinner,
+        color: Color.fromRGBO(50, 50, 250, 1),
+      );
+    } else {
+      return FaIcon(
+        FontAwesomeIcons.timesCircle,
+        color: Color.fromRGBO(250, 50, 50, 1),
+      );
     }
   }
 
@@ -76,64 +264,92 @@ class _InvenTreeLoginSettingsState extends State<InvenTreeLoginSettingsWidget> {
 
     final Size screenSize = MediaQuery.of(context).size;
 
-    return Scaffold(
+    List<Widget> children = [];
-      appBar: AppBar(
+
-        title: Text("Login Settings"),
+    if (profiles != null && profiles.length > 0) {
+      for (int idx = 0; idx < profiles.length; idx++) {
+        UserProfile profile = profiles[idx];
+
+        children.add(ListTile(
+          title: Text(
+            profile.name,
           ),
-      body: new Container(
+          tileColor: profile.selected ? Color.fromRGBO(0, 0, 0, 0.05) : null,
-        padding: new EdgeInsets.all(20.0),
+          subtitle: Text("${profile.server}"),
-        child: new Form(
+          trailing: _getProfileIcon(profile),
-          key: _formKey,
+          onTap: () {
-          child: new ListView(
+            _selectProfile(context, profile);
+          },
+          onLongPress: () {
+            showDialog(
+                context: context,
+                builder: (BuildContext context) {
+                  return SimpleDialog(
+                    title: Text(profile.name),
                     children: <Widget>[
-              Text(I18N.of(context).serverAddress),
-              new TextFormField(
-                initialValue: _server,
-                decoration: InputDecoration(
-                  hintText: "127.0.0.1:8000",
-                ),
-                validator: _validateServer,
-                onSaved: (String value) {
-                  _server = value;
-                },
-              ),
                       Divider(),
-              Text(I18N.of(context).accountDetails),
+                      SimpleDialogOption(
-              TextFormField(
-                initialValue: _username,
-                decoration: InputDecoration(
-                  hintText: I18N.of(context).username,
-                  labelText: I18N.of(context).username,
-                ),
-                validator: _validateUsername,
-                onSaved: (String value) {
-                  _username = value;
-                }
-              ),
-              TextFormField(
-                initialValue: _password,
-                obscureText: true,
-                decoration: InputDecoration(
-                  hintText: I18N.of(context).password,
-                  labelText: I18N.of(context).password,
-                ),
-                validator: _validatePassword,
-                onSaved: (String value) {
-                  _password = value;
-                },
-              ),
-              Container(
-                width: screenSize.width,
-                child: RaisedButton(
-                  child: Text(I18N.of(context).save),
                         onPressed: () {
-                    _save(context);
+                          Navigator.of(context).pop();
+                          _selectProfile(context, profile);
+                        },
+                        child: Text(I18N.of(context).profileSelect),
+                      ),
+                      SimpleDialogOption(
+                        onPressed: () {
+                          Navigator.of(context).pop();
+                          _editProfile(context, userProfile: profile);
+                        },
+                        child: Text(I18N.of(context).profileEdit),
+                      ),
+                      SimpleDialogOption(
+                        onPressed: () {
+                          // Navigator.of(context, rootNavigator: true).pop();
+                          confirmationDialog(
+                              context,
+                              I18N.of(context).delete,
+                              "Delete this profile?",
+                              onAccept: () {
+                                _deleteProfile(profile);
                               }
-                )
+                          );
+                        },
+                        child: Text(I18N.of(context).profileDelete),
                       )
                     ],
+                  );
+                }
+            );
+          },
+        ));
+      }
+    } else {
+      // No profile available!
+      children.add(
+        ListTile(
+          title: Text("No profiles available"),
         )
+      );
+    }
+
+    return Scaffold(
+      key: _loginKey,
+      appBar: AppBar(
+        title: Text(I18N.of(context).profileSelect),
+      ),
+      body: Container(
+        child: ListView(
+          children: ListTile.divideTiles(
+            context: context,
+            tiles: children
+          ).toList(),
         )
+      ),
+      floatingActionButton: FloatingActionButton(
+        child: Icon(FontAwesomeIcons.plus),
+        onPressed: () {
+          _editProfile(context, createNew: true);
+        },
       )
     );
   }

lib/settings/settings.dart

@@ -1,6 +1,8 @@
 import 'package:InvenTree/settings/about.dart';
 import 'package:InvenTree/settings/login.dart';
 import 'package:InvenTree/settings/release.dart';
+import 'package:InvenTree/user_profile.dart';
+import 'package:InvenTree/preferences.dart';
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -28,18 +30,19 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text("InvenTree Settings"),
+        title: Text(I18N.of(context).settings),
       ),
       body: Center(
         child: ListView(
-          children: <Widget>[
+          children: ListTile.divideTiles(
+            context: context,
+            tiles: <Widget>[
               ListTile(
-                title: Text(I18N.of(context).serverSettings),
+                  title: Text(I18N.of(context).profile),
-                subtitle: Text("Configure server and login settings"),
+                  subtitle: Text("Configure user profile settings"),
-                leading: FaIcon(FontAwesomeIcons.server),
+                  leading: FaIcon(FontAwesomeIcons.user),
                   onTap: _editServerSettings,
               ),
-            Divider(),
               ListTile(
                 title: Text(I18N.of(context).about),
                 subtitle: Text(I18N.of(context).appDetails),
@@ -58,7 +61,8 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
                 leading: FaIcon(FontAwesomeIcons.bug),
                 onTap: null,
               ),
-          ],
+            ]
+          ).toList()
         )
       )
     );
@@ -68,7 +72,9 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
 
     var prefs = await SharedPreferences.getInstance();
 
-    Navigator.push(context, MaterialPageRoute(builder: (context) => InvenTreeLoginSettingsWidget(prefs)));
+    List<UserProfile> profiles = await UserProfileDBManager().getAllProfiles();
+
+    Navigator.push(context, MaterialPageRoute(builder: (context) => InvenTreeLoginSettingsWidget()));
   }
 
   void _about() async {

lib/user_profile.dart

@@ -0,0 +1,177 @@
+
+/*
+ * Class for InvenTree user / login details
+ */
+import 'package:sembast/sembast.dart';
+import 'preferences.dart';
+
+class UserProfile {
+
+  UserProfile({
+    this.key,
+    this.name,
+    this.server,
+    this.username,
+    this.password,
+    this.selected,
+  });
+
+  // ID of the profile
+  int key;
+
+  // Name of the user profile
+  String name;
+
+  // Base address of the InvenTree server
+  String server;
+
+  // Username
+  String username;
+
+  // Password
+  String password;
+
+  bool selected = false;
+
+  // User ID (will be provided by the server on log-in)
+  int user_id;
+
+  factory UserProfile.fromJson(int key, Map<String, dynamic> json, bool isSelected) => UserProfile(
+    key: key,
+    name: json['name'],
+    server: json['server'],
+    username: json['username'],
+    password: json['password'],
+    selected: isSelected,
+  );
+
+  Map<String, dynamic> toJson() => {
+    "name": name,
+    "server": server,
+    "username": username,
+    "password": password,
+  };
+
+  @override
+  String toString() {
+    return "<${key}> ${name} : ${server} - ${username}:${password}";
+  }
+}
+
+class UserProfileDBManager {
+
+  final store = StoreRef("profiles");
+
+  Future<Database> get _db async => await InvenTreePreferencesDB.instance.database;
+
+  Future<bool> profileNameExists(String name) async {
+
+    final finder = Finder(filter: Filter.equals("name", name));
+
+    final profiles = await store.find(await _db, finder: finder);
+
+    return profiles.length > 0;
+  }
+
+  Future addProfile(UserProfile profile) async {
+
+    // Check if a profile already exists with the name
+    final bool exists = await profileNameExists(profile.name);
+
+    if (exists) {
+      print("UserProfile '${profile.name}' already exists");
+      return;
+    }
+
+    int key = await store.add(await _db, profile.toJson());
+
+    print("Added user profile <${key}> - '${profile.name}'");
+
+    // Record the key
+    profile.key = key;
+  }
+
+  Future selectProfile(int key) async {
+    /*
+     * Mark the particular profile as selected
+     */
+
+    final result = await store.record("selected").put(await _db, key);
+
+    return result;
+  }
+  
+  Future updateProfile(UserProfile profile) async {
+    
+    if (profile.key == null) {
+      await addProfile(profile);
+      return;
+    }
+
+    final result = await store.record(profile.key).update(await _db, profile.toJson());
+
+    print("Updated user profile <${profile.key}> - '${profile.name}'");
+
+    return result;
+  }
+
+  Future deleteProfile(UserProfile profile) async {
+    final finder = Finder(filter: Filter.equals("name", profile.name));
+
+    await store.record(profile.key).delete(await _db);
+    print("Deleted user profile <${profile.key}> - '${profile.name}'");
+  }
+
+  Future<UserProfile> getSelectedProfile() async {
+    /*
+     * Return the currently selected profile.
+     *
+     * key should match the "selected" property
+     */
+
+    final selected = await store.record("selected").get(await _db);
+
+    final profiles = await store.find(await _db);
+
+    List<UserProfile> profileList = new List<UserProfile>();
+
+    for (int idx = 0; idx < profiles.length; idx++) {
+
+      if (profiles[idx].key is int && profiles[idx].key == selected) {
+        return UserProfile.fromJson(
+          profiles[idx].key,
+          profiles[idx].value,
+          profiles[idx].key == selected,
+        );
+      }
+    }
+
+    return null;
+  }
+
+  /*
+   * Return all user profile objects
+   */
+  Future<List<UserProfile>> getAllProfiles() async {
+
+    final selected = await store.record("selected").get(await _db);
+
+    final profiles = await store.find(await _db);
+
+    List<UserProfile> profileList = new List<UserProfile>();
+
+    for (int idx = 0; idx < profiles.length; idx++) {
+
+      if (profiles[idx].key is int) {
+        profileList.add(
+            UserProfile.fromJson(
+              profiles[idx].key,
+              profiles[idx].value,
+              profiles[idx].key == selected,
+            ));
+      }
+    }
+
+    return profileList;
+  }
+}

lib/widget/category_display.dart

@@ -231,9 +231,10 @@ class SubcategoryList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ListView.builder(
+    return ListView.separated(
         shrinkWrap: true,
         physics: ClampingScrollPhysics(),
+        separatorBuilder: (_, __) => const Divider(height: 3),
         itemBuilder: _build, itemCount: _categories.length);
   }
 }
@@ -267,7 +268,7 @@ class PartList extends StatelessWidget {
     return ListTile(
       title: Text("${part.name}"),
       subtitle: Text("${part.description}"),
-      trailing: Text("${part.inStock}"),
+      trailing: Text("${part.inStockString}"),
       leading: InvenTreeAPI().getImage(
         part.thumbnail,
         width: 40,
@@ -282,9 +283,10 @@ class PartList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ListView.builder(
+    return ListView.separated(
         shrinkWrap: true,
         physics: ClampingScrollPhysics(),
+        separatorBuilder: (_, __) => const Divider(height: 3),
         itemBuilder: _build, itemCount: _parts.length);
   }
 }

lib/widget/dialogs.dart

@@ -3,6 +3,54 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+
+Future<void> confirmationDialog(BuildContext context, String title, String text, {String acceptText, String rejectText, Function onAccept, Function onReject}) async {
+
+  if (acceptText == null || acceptText.isEmpty) {
+    acceptText = I18N.of(context).ok;
+  }
+
+  if (rejectText == null || rejectText.isEmpty) {
+    rejectText = I18N.of(context).cancel;
+  }
+
+  AlertDialog dialog = AlertDialog(
+    title: ListTile(
+      title: Text(title),
+      leading: FaIcon(FontAwesomeIcons.questionCircle),
+    ),
+    content: Text(text),
+    actions: [
+      FlatButton(
+        child: Text(rejectText),
+        onPressed: () {
+          Navigator.of(context, rootNavigator: true).pop();
+          if (onReject != null) {
+            onReject();
+          }
+        }
+      ),
+      FlatButton(
+        child: Text(acceptText),
+        onPressed: () {
+          Navigator.of(context, rootNavigator: true).pop();
+          if (onAccept != null) {
+            onAccept();
+          }
+        }
+      )
+    ],
+  );
+
+  showDialog(
+    context: context,
+    builder: (BuildContext context) {
+      return dialog;
+    }
+  );
+}
 
 void showMessage(BuildContext context, String message) {
   Scaffold.of(context).showSnackBar(SnackBar(
@@ -45,7 +93,8 @@ Future<void> showErrorDialog(BuildContext context, String title, String descript
 
   showDialog(
     context: context,
-    child: SimpleDialog(
+    builder: (dialogContext) {
+      return SimpleDialog(
           title: ListTile(
             title: Text(error),
             leading: FaIcon(icon),
@@ -56,14 +105,43 @@ Future<void> showErrorDialog(BuildContext context, String title, String descript
                 subtitle: Text(description)
             )
           ]
-    )
+      );
-  ).then((value) {
+    }).then((value) {
       if (onDismissed != null) {
         onDismissed();
       }
     });
 }
 
+Future<void> showServerError(BuildContext context, String title, String description) async {
+
+  if (title == null || title.isEmpty) {
+    title = I18N.of(context).serverError;
+  }
+
+  await showErrorDialog(
+      context,
+      title,
+      description,
+      error: I18N.of(context).serverError,
+      icon: FontAwesomeIcons.server
+  );
+}
+
+Future<void> showStatusCodeError(BuildContext context, int status, {int expected = 200}) async {
+
+  await showServerError(
+    context,
+    "Invalid Response Code",
+    "Server responded with status code ${status}"
+  );
+}
+
+Future<void> showTimeoutError(BuildContext context) async {
+
+  await showServerError(context, I18N.of(context).timeout, I18N.of(context).noResponse);
+}
+
 void showProgressDialog(BuildContext context, String title, String description) {
 
   showDialog(

lib/widget/drawer.dart

@@ -3,6 +3,7 @@ import 'package:InvenTree/barcode.dart';
 import 'package:InvenTree/widget/company_list.dart';
 import 'package:InvenTree/widget/search.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 import 'package:InvenTree/api.dart';
 
@@ -101,17 +102,18 @@ class InvenTreeDrawer extends StatelessWidget {
   Widget build(BuildContext context) {
     return  Drawer(
         child: new ListView(
-            children: <Widget>[
+            children: ListTile.divideTiles(
+              context: context,
+              tiles: <Widget>[
                 new ListTile(
                   leading: new Image.asset(
                     "assets/image/icon.png",
                     fit: BoxFit.scaleDown,
                     width: 40,
                   ),
-                title: new Text("InvenTree"),
+                  title: new Text(I18N.of(context).appTitle),
                   onTap: _home,
                 ),
-              new Divider(),
                 /*
                 // TODO - Add search functionality!
                 new ListTile(
@@ -121,18 +123,17 @@ class InvenTreeDrawer extends StatelessWidget {
                 ),
                 */
                 new ListTile(
-                title: new Text("Scan Barcode"),
+                  title: new Text(I18N.of(context).scanBarcode),
                   onTap: _scan,
                   leading: new FaIcon(FontAwesomeIcons.barcode),
                 ),
-              new Divider(),
                 new ListTile(
-                title: new Text("Parts"),
+                  title: new Text(I18N.of(context).parts),
                   leading: new Icon(Icons.category),
                   onTap: _showParts,
                 ),
                 new ListTile(
-                title: new Text("Stock"),
+                  title: new Text(I18N.of(context).stock),
                   leading: new FaIcon(FontAwesomeIcons.boxes),
                   onTap: _showStock,
                 ),
@@ -153,13 +154,13 @@ class InvenTreeDrawer extends StatelessWidget {
                   onTap: _showCustomers,
                 ),
                 */
-              new Divider(),
                 new ListTile(
-                title: new Text("Settings"),
+                  title: new Text(I18N.of(context).settings),
                   leading: new Icon(Icons.settings),
                   onTap: _settings,
                 ),
               ]
+            ).toList(),
         )
     );
   }

lib/widget/home.dart

@@ -1,18 +1,21 @@
+import 'package:InvenTree/user_profile.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 import 'package:InvenTree/barcode.dart';
 import 'package:InvenTree/api.dart';
 
+import 'package:InvenTree/settings/login.dart';
+
 import 'package:InvenTree/widget/category_display.dart';
 import 'package:InvenTree/widget/company_list.dart';
 import 'package:InvenTree/widget/location_display.dart';
 import 'package:InvenTree/widget/search.dart';
+import 'package:InvenTree/widget/spinner.dart';
 import 'package:InvenTree/widget/drawer.dart';
 
 class InvenTreeHomePage extends StatefulWidget {
@@ -24,70 +27,18 @@ class InvenTreeHomePage extends StatefulWidget {
 
 class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
 
+  final GlobalKey<_InvenTreeHomePageState> _homeKey = GlobalKey<_InvenTreeHomePageState>();
+
   _InvenTreeHomePageState() : super() {
+
+    // Initially load the profile and attempt server connection
+    _loadProfile();
   }
 
-  String _serverAddress = "";
+  // Selected user profile
+  UserProfile _profile;
 
-  String _serverStatus = "Connecting to server";
+  BuildContext _context;
-
-  String _serverMessage = "";
-
-  bool _serverConnection = false;
-
-  FaIcon _serverIcon = new FaIcon(FontAwesomeIcons.spinner);
-
-  Color _serverStatusColor = Color.fromARGB(255, 50, 50, 250);
-
-  void onConnectSuccess(String msg) {
-    _serverConnection = true;
-    _serverMessage = msg;
-    _serverStatus = "Connected to $_serverAddress";
-    _serverStatusColor = Color.fromARGB(255, 50, 250, 50);
-    _serverIcon = new FaIcon(FontAwesomeIcons.checkCircle, color: _serverStatusColor);
-
-    setState(() {});
-  }
-
-  void onConnectFailure(String msg) {
-    _serverConnection = false;
-    _serverMessage = msg;
-    _serverStatus = "Could not connect to $_serverAddress";
-    _serverStatusColor = Color.fromARGB(255, 250, 50, 50);
-    _serverIcon = new FaIcon(FontAwesomeIcons.timesCircle, color: _serverStatusColor);
-
-    setState(() {});
-  }
-
-  /*
-   * Test the server connection
-   */
-  void _checkServerConnection(BuildContext context) async {
-
-    var prefs = await SharedPreferences.getInstance();
-
-    _serverAddress = prefs.getString("server");
-
-    // Reset the connection status variables
-    _serverStatus = "Connecting to server";
-    _serverMessage = "";
-    _serverConnection = false;
-    _serverIcon = new FaIcon(FontAwesomeIcons.spinner);
-    _serverStatusColor = Color.fromARGB(255, 50, 50, 250);
-
-    InvenTreeAPI().connect(context).then((bool result) {
-
-      if (result) {
-        onConnectSuccess("");
-      } else {
-        onConnectFailure("Could not connect to server");
-      }
-
-    });
-
-    // Update widget state
-    setState(() {});
-  }
 
   void _search() {
     if (!InvenTreeAPI().checkConnection(context)) return;
@@ -96,19 +47,19 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
 
   }
 
-  void _scan() {
+  void _scan(BuildContext context) {
     if (!InvenTreeAPI().checkConnection(context)) return;
 
     scanQrCode(context);
   }
 
-  void _parts() {
+  void _parts(BuildContext context) {
     if (!InvenTreeAPI().checkConnection(context)) return;
 
     Navigator.push(context, MaterialPageRoute(builder: (context) => CategoryDisplayWidget(null)));
   }
 
-  void _stock() {
+  void _stock(BuildContext context) {
     if (!InvenTreeAPI().checkConnection(context)) return;
 
     Navigator.push(context, MaterialPageRoute(builder: (context) => LocationDisplayWidget(null)));
@@ -132,6 +83,15 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
     Navigator.push(context, MaterialPageRoute(builder: (context) => CustomerListWidget()));
   }
 
+  void _selectProfile() {
+    Navigator.push(
+        context, MaterialPageRoute(builder: (context) => InvenTreeLoginSettingsWidget())
+    ).then((context) {
+      // Once we return
+      _loadProfile();
+    });
+  }
+
   void _unsupported() {
     showDialog(
         context:  context,
@@ -147,8 +107,92 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
     );
   }
 
+
+  void _loadProfile() async {
+
+    _profile = await UserProfileDBManager().getSelectedProfile();
+
+    // A valid profile was loaded!
+    if (_profile != null) {
+      if (!InvenTreeAPI().isConnected() && !InvenTreeAPI().isConnecting()) {
+
+        // Attempt server connection
+        InvenTreeAPI().connectToServer(_homeKey.currentContext).then((result) {
+          setState(() {});
+        });
+      }
+    }
+
+    setState(() {});
+  }
+
+  ListTile _serverTile() {
+
+    // No profile selected
+    // Tap to select / create a profile
+    if (_profile == null) {
+      return ListTile(
+        title: Text("No Profile Selected"),
+        subtitle: Text("Tap to create or select a profile"),
+        leading: FaIcon(FontAwesomeIcons.server),
+        trailing: FaIcon(
+          FontAwesomeIcons.user,
+          color: Color.fromRGBO(250, 50, 50, 1),
+        ),
+        onTap: () {
+          _selectProfile();
+        },
+      );
+    }
+
+    // Profile is selected ...
+    if (InvenTreeAPI().isConnecting()) {
+      return ListTile(
+        title: Text("Connecting to server..."),
+        subtitle: Text("${InvenTreeAPI().baseUrl}"),
+        leading: FaIcon(FontAwesomeIcons.server),
+        trailing: Spinner(
+          icon: FontAwesomeIcons.spinner,
+          color: Color.fromRGBO(50, 50, 250, 1),
+        ),
+        onTap: () {
+          _selectProfile();
+        }
+      );
+    } else if (InvenTreeAPI().isConnected()) {
+      return ListTile(
+        title: Text("Connected to server"),
+        subtitle: Text("${InvenTreeAPI().baseUrl}"),
+        leading: FaIcon(FontAwesomeIcons.server),
+        trailing: FaIcon(
+          FontAwesomeIcons.checkCircle,
+          color: Color.fromRGBO(50, 250, 50, 1)
+        ),
+        onTap: () {
+          _selectProfile();
+        },
+      );
+    } else {
+      return ListTile(
+        title: Text("Could not connect to server"),
+        subtitle: Text("${_profile.server}"),
+        leading: FaIcon(FontAwesomeIcons.server),
+        trailing: FaIcon(
+          FontAwesomeIcons.timesCircle,
+          color: Color.fromRGBO(250, 50, 50, 1),
+        ),
+        onTap: () {
+          _selectProfile();
+        },
+      );
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
+
+    _context = context;
+
     // This method is rerun every time setState is called, for instance as done
     // by the _incrementCounter method above.
     //
@@ -156,6 +200,7 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
     // fast, so that you can just rebuild anything that needs updating rather
     // than having to individually change instances of widgets.
     return Scaffold(
+      key: _homeKey,
       appBar: AppBar(
         title: Text(I18N.of(context).appTitle),
         actions: <Widget>[
@@ -197,7 +242,7 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
                     IconButton(
                       icon: new FaIcon(FontAwesomeIcons.barcode),
                       tooltip: I18N.of(context).scanBarcode,
-                      onPressed: _scan,
+                      onPressed: () { _scan(context); },
                     ),
                     Text(I18N.of(context).scanBarcode),
                   ],
@@ -213,7 +258,7 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
                     IconButton(
                       icon: new FaIcon(FontAwesomeIcons.shapes),
                       tooltip: I18N.of(context).parts,
-                      onPressed: _parts,
+                      onPressed: () { _parts(context); },
                     ),
                     Text(I18N.of(context).parts),
                   ],
@@ -223,7 +268,7 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
                     IconButton(
                       icon: new FaIcon(FontAwesomeIcons.boxes),
                       tooltip: I18N.of(context).stock,
-                      onPressed: _stock,
+                      onPressed: () { _stock(context); },
                     ),
                     Text(I18N.of(context).stock),
                   ],
@@ -306,25 +351,13 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
             ),
             Spacer(),
             */
+            Spacer(),
             Row(
               mainAxisAlignment: MainAxisAlignment.center,
               crossAxisAlignment: CrossAxisAlignment.center,
               children: <Widget>[
                 Expanded(
-                  child: ListTile(
+                  child: _serverTile(),
-                    title: Text("$_serverStatus",
-                      style: TextStyle(color: _serverStatusColor),
-                    ),
-                    subtitle: Text("$_serverMessage",
-                      style: TextStyle(color: _serverStatusColor),
-                    ),
-                    leading: _serverIcon,
-                    onTap: () {
-                      if (!_serverConnection) {
-                        _checkServerConnection(context);
-                      }
-                    },
-                  ),
                 ),
               ],
             ),

lib/widget/location_display.dart

@@ -6,7 +6,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/foundation.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
-
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:InvenTree/widget/refreshable_state.dart';
 
 class LocationDisplayWidget extends StatefulWidget {
@@ -97,8 +97,8 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
     if (location == null) {
       return Card(
         child: ListTile(
-          title: Text("Stock Locations"),
+          title: Text(I18N.of(context).stockLocations),
-          subtitle: Text("Top level stock location")
+          subtitle: Text(I18N.of(context).stockTopLevel),
         )
       );
     } else {
@@ -135,14 +135,14 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
     return BottomNavigationBar(
         currentIndex: tabIndex,
         onTap: onTabSelectionChanged,
-        items: const <BottomNavigationBarItem> [
+        items: <BottomNavigationBarItem> [
           BottomNavigationBarItem(
             icon: FaIcon(FontAwesomeIcons.boxes),
-            title: Text("Stock"),
+            title: Text(I18N.of(context).stock),
           ),
           BottomNavigationBarItem(
             icon: FaIcon(FontAwesomeIcons.wrench),
-            title: Text("Actions"),
+            title: Text(I18N.of(context).actions),
           )
         ]
     );
@@ -156,7 +156,10 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
         );
       case 1:
         return ListView(
-          children: actionTiles(),
+          children: ListTile.divideTiles(
+            context: context,
+            tiles: actionTiles()
+          ).toList()
         );
       default:
         return null;
@@ -298,10 +301,11 @@ class SublocationList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ListView.builder(
+    return ListView.separated(
         shrinkWrap: true,
         physics: ClampingScrollPhysics(),
         itemBuilder: _build,
+        separatorBuilder: (_, __) => const Divider(height: 3),
         itemCount: _locations.length
     );
   }
@@ -342,9 +346,10 @@ class StockList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ListView.builder(
+    return ListView.separated(
         shrinkWrap: true,
         physics: ClampingScrollPhysics(),
+        separatorBuilder: (_, __) => const Divider(height: 3),
         itemBuilder: _build, itemCount: _items.length);
   }
 }

lib/widget/part_detail.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 import 'package:InvenTree/inventree/part.dart';
 import 'package:InvenTree/widget/full_screen_image.dart';
@@ -82,6 +83,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
 
   void _showStock(BuildContext context) async {
     await part.getStockItems(context);
+
     Navigator.push(
         context,
         MaterialPageRoute(builder: (context) => PartStockDetailWidget(part))
@@ -213,9 +215,9 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
     // Stock information
     tiles.add(
       ListTile(
-        title: Text("Stock"),
+        title: Text(I18N.of(context).stock),
         leading: FaIcon(FontAwesomeIcons.boxes),
-        trailing: Text("${part.inStock}"),
+        trailing: Text("${part.inStockString}"),
         onTap: () {
           _showStock(context);
         },
@@ -229,7 +231,9 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
             title: Text("On Order"),
             leading: FaIcon(FontAwesomeIcons.shoppingCart),
             trailing: Text("${part.onOrder}"),
-            onTap: null,
+            onTap: () {
+              // TODO: Click through to show items on order
+            },
           )
       );
     }
@@ -325,7 +329,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
 
     tiles.add(
       ListTile(
-        title: Text("Create Stock Item"),
+        title: Text(I18N.of(context).stockItemCreate),
         leading: FaIcon(FontAwesomeIcons.box),
         onTap: null,
       )
@@ -349,13 +353,19 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       case 0:
         return Center(
           child: ListView(
-          children: partTiles(),
+            children: ListTile.divideTiles(
+              context: context,
+              tiles: partTiles()
+            ).toList()
         ),
       );
       case 1:
         return Center(
           child: ListView(
-            children: actionTiles(),
+            children: ListTile.divideTiles(
+              context: context,
+              tiles: actionTiles()
+            ).toList()
           )
         );
       default:
@@ -368,14 +378,14 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
     return BottomNavigationBar(
       currentIndex: tabIndex,
       onTap: onTabSelectionChanged,
-      items: const <BottomNavigationBarItem> [
+      items: <BottomNavigationBarItem> [
         BottomNavigationBarItem(
           icon: FaIcon(FontAwesomeIcons.infoCircle),
-          title: Text("Details"),
+          title: Text(I18N.of(context).details),
         ),
         BottomNavigationBarItem(
           icon: FaIcon(FontAwesomeIcons.wrench),
-          title: Text("Actions"),
+          title: Text(I18N.of(context).actions),
         ),
       ]
     );

lib/widget/part_stock_detail.dart

@@ -38,7 +38,6 @@ class _PartStockDisplayState extends RefreshableState<PartStockDetailWidget> {
   @override
   Future<void> onBuild(BuildContext context) async {
     refresh();
-    print("onBuild");
   }
 
   @override
@@ -100,10 +99,11 @@ class PartStockList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ListView.builder(
+    return ListView.separated(
       shrinkWrap: true,
       physics: ClampingScrollPhysics(),
       itemBuilder: _build,
+      separatorBuilder: (_, __) => const Divider(height: 3),
       itemCount: _items.length
     );
   }

lib/widget/spinner.dart

@@ -0,0 +1,54 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/cupertino.dart';
+
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+
+class Spinner extends StatefulWidget {
+  final IconData icon;
+  final Duration duration;
+  final Color color;
+
+  const Spinner({
+    this.color = const Color.fromRGBO(150, 150, 150, 1),
+    Key key,
+    @required this.icon,
+    this.duration = const Duration(milliseconds: 1800),
+  }) : super(key: key);
+
+  @override
+  _SpinnerState createState() => _SpinnerState();
+}
+
+class _SpinnerState extends State<Spinner> with SingleTickerProviderStateMixin {
+  AnimationController _controller;
+  Widget _child;
+
+  @override
+  void initState() {
+    _controller = AnimationController(
+      vsync: this,
+      duration: Duration(milliseconds: 2000),
+    )
+      ..repeat();
+    _child = FaIcon(
+      widget.icon,
+      color: widget.color
+    );
+
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RotationTransition(
+      turns: _controller,
+      child: _child,
+    );
+  }
+}

lib/widget/stock_detail.dart

@@ -303,6 +303,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
         title: Text("${item.partName}"),
         subtitle: Text("${item.partDescription}"),
         leading: InvenTreeAPI().getImage(item.partImage),
+        trailing: Text(item.serialOrQuantityDisplay()),
       )
     );
   }
@@ -365,7 +366,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
     if (item.isSerialized()) {
       tiles.add(
           ListTile(
-            title: Text("Serial Number"),
+            title: Text(I18N.of(context).serialNumber),
             leading: FaIcon(FontAwesomeIcons.hashtag),
             trailing: Text("${item.serialNumber}"),
           )
@@ -381,7 +382,8 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
     }
 
     // Supplier part?
-    if (item.supplierPartId > 0) {
+    // TODO: Display supplier part info page?
+    if (false && item.supplierPartId > 0) {
       tiles.add(
         ListTile(
           title: Text("${item.supplierName}"),
@@ -410,7 +412,12 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           leading: FaIcon(FontAwesomeIcons.tasks),
           trailing: Text("${item.testResultCount}"),
           onTap: () {
-            Navigator.push(context, MaterialPageRoute(builder: (context) => StockItemTestResultsWidget(item)));
+            Navigator.push(
+                context,
+                MaterialPageRoute(builder: (context) => StockItemTestResultsWidget(item))
+            ).then((context) {
+              refresh();
+            });
           }
         )
     );
@@ -421,7 +428,12 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           title: Text(I18N.of(context).history),
           leading: FaIcon(FontAwesomeIcons.history),
           trailing: Text("${item.trackingItemCount}"),
-          onTap: null,
+          onTap: () {
+            // TODO: Load tracking history
+
+            // TODO: Push tracking history page to the route
+
+          },
         )
       );
     }
@@ -432,7 +444,10 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           title: Text(I18N.of(context).notes),
           leading: FaIcon(FontAwesomeIcons.stickyNote),
           trailing: Text(""),
-          onTap: null,
+          onTap: () {
+            // TODO: Load notes in markdown viewer widget
+            // TODO: Make this widget editable?
+          }
         )
       );
     }
@@ -579,11 +594,17 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
     switch (index) {
       case 0:
         return ListView(
-          children: detailTiles(),
+          children: ListTile.divideTiles(
+            context: context,
+            tiles: detailTiles()
+          ).toList(),
         );
       case 1:
         return ListView(
-          children: actionTiles(),
+          children: ListTile.divideTiles(
+            context: context,
+            tiles: actionTiles()
+          ).toList()
         );
       default:
         return null;

lib/widget/stock_item_test_results.dart

@@ -250,7 +250,10 @@ class _StockItemTestResultDisplayState extends RefreshableState<StockItemTestRes
   @override
   Widget getBody(BuildContext context) {
     return ListView(
-      children: resultsList(),
+      children: ListTile.divideTiles(
+        context: context,
+        tiles: resultsList()
+      ).toList()
     );
   }
 

pubspec.lock

@@ -42,7 +42,7 @@ packages:
       name: camera
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.4+5"
+    version: "0.7.0+2"
   camera_platform_interface:
     dependency: transitive
     description:
@@ -106,6 +106,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.3"
+  device_info:
+    dependency: "direct main"
+    description:
+      name: device_info
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  device_info_platform_interface:
+    dependency: transitive
+    description:
+      name: device_info_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   fake_async:
     dependency: transitive
     description:
@@ -152,7 +166,7 @@ packages:
       name: flutter_keyboard_visibility
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.2"
+    version: "4.0.3"
   flutter_keyboard_visibility_platform_interface:
     dependency: transitive
     description:
@@ -251,14 +265,14 @@ packages:
       name: image_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.7+21"
+    version: "0.6.7+22"
   image_picker_platform_interface:
     dependency: transitive
     description:
       name: image_picker_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.6"
   intl:
     dependency: "direct main"
     description:
@@ -300,7 +314,7 @@ packages:
       name: package_info
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.3+2"
+    version: "0.4.3+4"
   path:
     dependency: "direct main"
     description:
@@ -371,13 +385,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
-  preferences:
-    dependency: "direct main"
-    description:
-      name: preferences
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "5.2.1"
   process:
     dependency: transitive
     description:
@@ -392,6 +399,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.14"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.5"
   rxdart:
     dependency: transitive
     description:
@@ -399,13 +413,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.25.0"
+  sembast:
+    dependency: "direct main"
+    description:
+      name: sembast
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.9"
   sentry:
     dependency: "direct main"
     description:
       name: sentry
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "4.0.4"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -447,7 +468,7 @@ packages:
       name: shared_preferences_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+3"
+    version: "0.0.2+3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -466,14 +487,14 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.2+2"
+    version: "1.3.2+3"
   sqflite_common:
     dependency: transitive
     description:
       name: sqflite_common
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
+    version: "1.0.3+1"
   stack_trace:
     dependency: transitive
     description:
@@ -564,7 +585,7 @@ packages:
       name: url_launcher_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.5+1"
+    version: "0.1.5+3"
   url_launcher_windows:
     dependency: transitive
     description:
@@ -572,13 +593,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.1+3"
-  usage:
-    dependency: transitive
-    description:
-      name: usage
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.4.2"
   uuid:
     dependency: transitive
     description:
@@ -599,7 +613,7 @@ packages:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.4"
+    version: "1.7.4+1"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -11,7 +11,7 @@ description: InvenTree stock management
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 0.1.0+1
+version: 0.1.0+2
 
 environment:
   sdk: ">=2.1.0 <3.0.0"
@@ -30,18 +30,19 @@ dependencies:
   shared_preferences: ^0.5.7
 
   cached_network_image: ^2.5.0
-  preferences: ^5.2.0                     # Persistent settings storage
   qr_code_scanner: ^0.0.13
   package_info: ^0.4.0                    # App information introspection
+  device_info: ^1.0.0                     # Information about the device
   font_awesome_flutter: ^8.8.1            # FontAwesome icon set
   flutter_speed_dial: ^1.2.5              # FAB menu elements
-  sentry: ^3.0.1                          # Error reporting
+  sentry: ^4.0.4                          # Error reporting
   flutter_typeahead: ^1.8.1               # Auto-complete input field
   image_picker: ^0.6.6                    # Select or take photos
   url_launcher: ^5.7.10                   # Open link in system browser
   flutter_markdown: ^0.5.2                # Rendering markdown
   camera:
-  path_provider:
+  path_provider: ^1.6.27                  # Local file storage
+  sembast: ^2.4.9                         # NoSQL data storage
   path:
 
 dev_dependencies: