Fixes issue with loading old android wallets. Changed seed text field type to visual password.

lib/entities/pathForWallet.dart

@@ -19,3 +19,10 @@ Future<String> pathForWalletDir({@required String name, @required  WalletType ty
 Future<String> pathForWallet({@required String name, @required WalletType type}) async =>
     await pathForWalletDir(name: name, type: type)
         .then((path) => path + '/$name');
+
+Future<String> outdatedAndroidPathForWalletDir({String name}) async {
+  final directory = await getApplicationDocumentsDirectory();
+  final pathDir = directory.path + '/$name';
+
+  return pathDir;
+}

lib/monero/monero_account_list.dart

@@ -20,7 +20,7 @@ abstract class MoneroAccountListBase with Store {
   bool _isRefreshing;
   bool _isUpdating;
 
-  Future update() async {
+  void update() async {
     if (_isUpdating) {
       return;
     }

lib/monero/monero_wallet.dart

@@ -121,8 +121,8 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance> with Store {
     _onAccountChangeReaction?.reaction?.dispose();
   }
 
-  Future<bool> validate() async {
-    await accountList.update();
+  bool validate() {
+    accountList.update();
     final accountListLength = accountList.accounts?.length ?? 0;
 
     if (accountListLength <= 0) {

lib/monero/monero_wallet_service.dart

@@ -27,7 +27,7 @@ class MoneroRestoreWalletFromSeedCredentials extends WalletCredentials {
 
 class MoneroWalletLoadingException implements Exception {
   @override
-  String toString() => 'The wallet is damaged.';
+  String toString() => 'Failure to load the wallet.';
 }
 
 class MoneroRestoreWalletFromKeysCredentials extends WalletCredentials {
@@ -93,6 +93,11 @@ class MoneroWalletService extends WalletService<
   Future<MoneroWallet> openWallet(String name, String password) async {
     try {
       final path = await pathForWallet(name: name, type: WalletType.monero);
+
+      if (!File(path).existsSync()) {
+        await repairOldAndroidWallet(name);
+      }
+
       await monero_wallet_manager
           .openWalletAsync({'path': path, 'password': password});
       final walletInfo = walletInfoSource.values.firstWhere(
@@ -100,7 +105,7 @@ class MoneroWalletService extends WalletService<
           orElse: () => null);
       final wallet = MoneroWallet(
           filename: monero_wallet.getFilename(), walletInfo: walletInfo);
-      final isValid = await wallet.validate();
+      final isValid = wallet.validate();
 
       if (!isValid) {
         // if (wallet.seed?.isNotEmpty ?? false) {
@@ -187,4 +192,38 @@ class MoneroWalletService extends WalletService<
       rethrow;
     }
   }
+
+  Future<void> repairOldAndroidWallet(String name) async {
+    try {
+      if (!Platform.isAndroid) {
+        return;
+      }
+
+      final oldAndroidWalletDirPath =
+          await outdatedAndroidPathForWalletDir(name: name);
+      final dir = Directory(oldAndroidWalletDirPath);
+
+      if (!dir.existsSync()) {
+        throw MoneroWalletLoadingException();
+      }
+
+      final newWalletDirPath =
+          await pathForWalletDir(name: name, type: WalletType.monero);
+
+      dir.listSync().forEach((f) {
+        final file = File(f.path);
+        final name = f.path.split('/').last;
+        final newPath = newWalletDirPath + '/$name';
+        final newFile = File(newPath);
+        print(file.path);
+        if (!newFile.existsSync()) {
+          newFile.createSync();
+        }
+        newFile.writeAsBytesSync(file.readAsBytesSync());
+      });
+    } catch (e) {
+      print(e.toString());
+      throw MoneroWalletLoadingException();
+    }
+  }
 }

lib/src/widgets/seed_widget.dart

@@ -77,7 +77,7 @@ class SeedWidgetState extends State<SeedWidget> {
                           fontSize: 16.0, color: Theme.of(context).hintColor))),
             Padding(
                 padding: EdgeInsets.only(right: 40, top: 10),
-                child: ValidableAnnotatedEditableText(
+                child: ValidatableAnnotatedEditableText(
                   cursorColor: Colors.blue,
                   backgroundCursorColor: Colors.blue,
                   validStyle: TextStyle(

lib/src/widgets/validable_annotated_editable_text.dart

@@ -22,8 +22,8 @@ class TextAnnotation extends Comparable<TextAnnotation> {
   int compareTo(TextAnnotation other) => text.compareTo(other.text);
 }
 
-class ValidableAnnotatedEditableText extends EditableText {
-  ValidableAnnotatedEditableText({
+class ValidatableAnnotatedEditableText extends EditableText {
+  ValidatableAnnotatedEditableText({
     Key key,
     FocusNode focusNode,
     TextEditingController controller,
@@ -49,7 +49,7 @@ class ValidableAnnotatedEditableText extends EditableText {
             controller: controller,
             cursorColor: cursorColor,
             style: validStyle,
-            keyboardType: TextInputType.text,
+            keyboardType: TextInputType.visiblePassword,
             autocorrect: false,
             autofocus: false,
             selectionColor: selectionColor,
@@ -73,14 +73,14 @@ class ValidableAnnotatedEditableText extends EditableText {
   final TextStyle invalidStyle;
 
   @override
-  ValidableAnnotatedEditableTextState createState() =>
-      ValidableAnnotatedEditableTextState();
+  ValidatableAnnotatedEditableTextState createState() =>
+      ValidatableAnnotatedEditableTextState();
 }
 
-class ValidableAnnotatedEditableTextState extends EditableTextState {
+class ValidatableAnnotatedEditableTextState extends EditableTextState {
   @override
-  ValidableAnnotatedEditableText get widget =>
-      super.widget as ValidableAnnotatedEditableText;
+  ValidatableAnnotatedEditableText get widget =>
+      super.widget as ValidatableAnnotatedEditableText;
 
   List<Annotation> getRanges() {
     final result = List<Annotation>();