- Add Linter rules for return types and final fields

- Enhance exception_handler code
- Add ShareUtil to unify modification point

analysis_options.yaml

@@ -18,6 +18,8 @@ analyzer:
 linter:
   rules:
     - cancel_subscriptions
+    - always_declare_return_types
+    - prefer_final_fields
 
 
 # analyzer:

lib/src/screens/dashboard/widgets/address_page.dart

@@ -1,10 +1,8 @@
 import 'package:cake_wallet/src/screens/base_page.dart';
-import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/src/widgets/keyboard_done_button.dart';
-import 'package:cake_wallet/src/widgets/primary_button.dart';
-import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/themes/theme_base.dart';
+import 'package:cake_wallet/utils/share_util.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:cake_wallet/view_model/dashboard/dashboard_view_model.dart';
 import 'package:flutter/material.dart';
@@ -15,7 +13,6 @@ import 'package:cake_wallet/generated/i18n.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:keyboard_actions/keyboard_actions.dart';
 import 'package:mobx/mobx.dart';
-import 'package:share_plus/share_plus.dart';
 
 class AddressPage extends BasePage {
   AddressPage({
@@ -101,11 +98,9 @@ class AddressPage extends BasePage {
         splashColor: Colors.transparent,
         iconSize: 25,
         onPressed: () {
-          final box = context.findRenderObject() as RenderBox?;
+          ShareUtil.share(
-
+            text: addressListViewModel.address.address,
-          Share.share(
+            context: context,
-            addressListViewModel.address.address,
-            sharePositionOrigin: box!.localToGlobal(Offset.zero) & box.size,
           );
         },
         icon: shareImage,

lib/src/screens/exchange_trade/exchange_trade_page.dart

@@ -305,7 +305,7 @@ class ExchangeTradeState extends State<ExchangeTradeForm> {
     _effectsInstalled = true;
   }
 
-  transactionStatePopup() {
+  void transactionStatePopup() {
     showPopUp<void>(
         context: context,
         builder: (BuildContext popupContext) {

lib/src/screens/receive/receive_page.dart

@@ -1,13 +1,11 @@
 import 'package:cake_wallet/src/widgets/keyboard_done_button.dart';
 import 'package:cake_wallet/src/widgets/section_divider.dart';
 import 'package:cake_wallet/themes/theme_base.dart';
+import 'package:cake_wallet/utils/share_util.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
-import 'package:cake_wallet/view_model/dashboard/dashboard_view_model.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
-import 'package:share_plus/share_plus.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/di.dart';
@@ -102,11 +100,9 @@ class ReceivePage extends BasePage {
             splashColor: Colors.transparent,
             iconSize: 25,
             onPressed: () {
-              final box = context.findRenderObject() as RenderBox?;
+              ShareUtil.share(
-
+                text: addressListViewModel.address.address,
-              Share.share(
+                context: context,
-                addressListViewModel.address.address,
-                sharePositionOrigin: box!.localToGlobal(Offset.zero) & box.size,
               );
             },
             icon: shareImage

lib/src/screens/seed/wallet_seed_page.dart

@@ -1,12 +1,11 @@
 import 'package:cake_wallet/palette.dart';
 import 'package:cake_wallet/themes/theme_base.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
+import 'package:cake_wallet/utils/share_util.dart';
 import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:share_plus/share_plus.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
@@ -160,11 +159,9 @@ class WalletSeedPage extends BasePage {
                               padding: EdgeInsets.only(right: 8.0),
                               child: PrimaryButton(
                                   onPressed: () {
-                                    final box = context.findRenderObject() as RenderBox?;
+                                    ShareUtil.share(
-
+                                      text: walletSeedViewModel.seed,
-                                    Share.share(
+                                      context: context,
-                                      walletSeedViewModel.seed,
-                                      sharePositionOrigin: box!.localToGlobal(Offset.zero) & box.size,
                                     );
                                   },
                                   text: S.of(context).save,

lib/utils/exception_handler.dart

@@ -14,6 +14,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 class ExceptionHandler {
   static bool _hasError = false;
+  static const coolDownDurationInDays = 7;
 
   static void _saveException(String? error, StackTrace? stackTrace) async {
     final appDocDir = await getApplicationDocumentsDirectory();
@@ -77,12 +78,11 @@ class ExceptionHandler {
 
     final lastPopupDate =
         DateTime.tryParse(sharedPrefs.getString(PreferencesKey.lastPopupDate) ?? '') ??
-            DateTime.parse("2001-01-01");
+            DateTime.now().subtract(Duration(days: coolDownDurationInDays + 1));
 
     final durationSinceLastReport = DateTime.now().difference(lastPopupDate).inDays;
 
-    // cool-down duration to be 7 days between reports
+    if (_hasError || durationSinceLastReport < coolDownDurationInDays) {
-    if (_hasError || durationSinceLastReport < 7) {
       return;
     }
     _hasError = true;
@@ -117,14 +117,17 @@ class ExceptionHandler {
   }
 
   /// Ignore User related errors or system errors
-  static bool _ignoreError(String error) {
+  static bool _ignoreError(String error) =>
-    return error.contains("errno = 103") || // SocketException: Software caused connection abort
+      _ignoredErrors.any((element) => error.contains(element));
-        error.contains("errno = 9") || // SocketException: Bad file descriptor
+
-        error.contains("errno = 32") || // SocketException: Write failed (OS Error: Broken pipe)
+  static const List<String> _ignoredErrors = const [
-        error.contains("errno = 60") || // SocketException: Operation timed out
+    "errno = 103", // SocketException: Software caused connection abort
-        error.contains("errno = 54") || // SocketException: Connection reset by peer
+    "errno = 9", // SocketException: Bad file descriptor
-        error.contains("errno = 49") || // SocketException: Can't assign requested address
+    "errno = 32", // SocketException: Write failed (OS Error: Broken pipe)
-        error.contains("PERMISSION_NOT_GRANTED") ||
+    "errno = 60", // SocketException: Operation timed out
-        error.contains("errno = 28"); // OS Error: No space left on device
+    "errno = 54", // SocketException: Connection reset by peer
-  }
+    "errno = 49", // SocketException: Can't assign requested address
+    "errno = 28", // OS Error: No space left on device
+    "PERMISSION_NOT_GRANTED",
+  ];
 }

lib/utils/share_util.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+import 'package:share_plus/share_plus.dart';
+
+class ShareUtil {
+  static void share({required String text, required BuildContext context}) {
+    final box = context.findRenderObject() as RenderBox?;
+
+    Share.share(
+      text,
+      sharePositionOrigin: box!.localToGlobal(Offset.zero) & box.size,
+    );
+  }
+}