add error messages

lib/l10n/intl_en.arb

@@ -83,5 +83,9 @@
     "getApiKey": "Get API ID & Key",
     "getApiKeyHint": "In \"Preferences\" > \"Developer\"",
     "prev": "Previous",
-    "next": "Next"
+    "next": "Next",
+    "wentWrong": "Something went wrong.",
+    "retry": "Retry",
+    "copy": "Copy",
+    "errorLog": "Error log"
   }

lib/l10n/intl_zh.arb

@@ -83,5 +83,9 @@
     "getApiKey": "获取 API ID & KEY",
     "getApiKeyHint": "在 “偏好设置” > “开发者” 下",
     "prev": "前一项",
-    "next": "后一项"
+    "next": "后一项",
+    "wentWrong": "发生错误",
+    "retry": "重试",
+    "copy": "复制",
+    "errorLog": "错误日志"
   }

lib/main.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:fluent_reader_lite/models/service.dart';
 import 'package:fluent_reader_lite/pages/article_page.dart';
+import 'package:fluent_reader_lite/pages/error_log_page.dart';
 import 'package:fluent_reader_lite/pages/settings/about_page.dart';
 import 'package:fluent_reader_lite/pages/home_page.dart';
 import 'package:fluent_reader_lite/pages/settings/feed_page.dart';
@@ -53,6 +54,7 @@ void main() async {
 class MyApp extends StatelessWidget {
   static final Map<String, Widget Function(BuildContext)> baseRoutes = {
     "/article": (context) => ArticlePage(),
+    "/error-log": (context) => ErrorLogPage(),
     "/settings": (context) => SettingsPage(),
     "/settings/sources": (context) => SourcesPage(),
     "/settings/sources/edit": (context) => SourceEditPage(),

lib/models/sync_model.dart

@@ -56,6 +56,7 @@ class SyncModel with ChangeNotifier {
       lastSyncSuccess = true;
     } catch(exp) {
       lastSyncSuccess = false;
+      Store.setErrorLog(exp.toString());
       print(exp);
     }
     lastSynced = DateTime.now();

lib/pages/article_page.dart

@@ -11,6 +11,7 @@ import 'package:fluent_reader_lite/utils/global.dart';
 import 'package:fluent_reader_lite/utils/store.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:intl/intl.dart';
 import 'package:http/http.dart' as http;
 import 'package:provider/provider.dart';
@@ -29,10 +30,14 @@ class ArticlePage extends StatefulWidget {
   ArticlePageState createState() => ArticlePageState();
 }
 
+enum _ArticleLoadState {
+  Loading, Success, Failure
+}
+
 class ArticlePageState extends State<ArticlePage> {
   WebViewController _controller;
   int requestId = 0;
-  bool loaded = false;
+  _ArticleLoadState loaded = _ArticleLoadState.Loading;
   bool navigated = false;
   SourceOpenTarget _target;
   String iid;
@@ -44,7 +49,7 @@ class ArticlePageState extends State<ArticlePage> {
     }
     setState(() {
       iid = id;
-      loaded = false;
+      loaded = _ArticleLoadState.Loading;
       navigated = false;
       _target = null;
       if (isSource != null) isSourceFeed = isSource;
@@ -70,12 +75,15 @@ class ArticlePageState extends State<ArticlePage> {
         var html = (await http.get(item.link)).body;
         a = Uri.encodeComponent(html);
       } catch(exp) {
-        setState(() { loaded = true; });
+        if (mounted && currId == requestId) {
+          setState(() { loaded = _ArticleLoadState.Failure; });
+        }
         return;
       }
     } else {
       a = Uri.encodeComponent(item.content);
     }
+    if (!mounted || currId != requestId) return;
     var h = '<p id="source">${source.name}${(item.creator!=null&&item.creator.length>0)?' / '+item.creator:''}</p>';
     h += '<p id="title">${item.title}</p>';
     h += '<p id="date">${DateFormat.yMd(Localizations.localeOf(context).toString()).add_Hm().format(item.date)}</p>';
@@ -87,20 +95,20 @@ class ArticlePageState extends State<ArticlePage> {
       var brightness = Global.currentBrightness(context);
       localUrl += "&t=${brightness.index}";
     }
-    if (currId == requestId) _controller.loadUrl(localUrl);
+    _controller.loadUrl(localUrl);
   }
 
   void _onPageReady(_) async {
     if (Platform.isAndroid || Global.globalModel.getBrightness() != null) {
       await Future.delayed(Duration(milliseconds: 300));
     }
-    setState(() { loaded = true; });
+    setState(() { loaded = _ArticleLoadState.Success; });
     if (_target == SourceOpenTarget.Local || _target == SourceOpenTarget.FullContent) {
       navigated = true;
     }
   }
   void _onWebpageReady(_) {
-    if (loaded) navigated = true;
+    if (loaded == _ArticleLoadState.Success) navigated = true;
   }
 
   void _setOpenTarget(RSSSource source, {SourceOpenTarget target}) {
@@ -112,7 +120,7 @@ class ArticlePageState extends State<ArticlePage> {
   void _loadOpenTarget(RSSItem item, RSSSource source) {
     setState(() {
       requestId += 1;
-      loaded = false;
+      loaded = _ArticleLoadState.Loading;
       navigated = false;
     });
     switch (_target) {
@@ -166,7 +174,7 @@ class ArticlePageState extends State<ArticlePage> {
         var source = tuple.item2;
         if (_target == null) _target = source.openTarget;
         final body = SafeArea(child: IndexedStack(
-          index: !loaded ? 0 : 1,
+          index: loaded.index,
           children: [
             Center(
               child: CupertinoActivityIndicator()
@@ -182,6 +190,21 @@ class ArticlePageState extends State<ArticlePage> {
               onPageFinished: _onWebpageReady,
               navigationDelegate: _onNavigate,
             ),
+            Center(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Text(
+                    S.of(context).wentWrong,
+                    style: TextStyle(color: CupertinoColors.label.resolveFrom(context)),
+                  ),
+                  CupertinoButton(
+                    child: Text(S.of(context).retry),
+                    onPressed: () { _loadOpenTarget(item, source); },
+                  ),
+                ],
+              ),
+            )
           ],
         ), bottom: false,);
         return CupertinoPageScaffold(
@@ -208,6 +231,7 @@ class ArticlePageState extends State<ArticlePage> {
                       ? S.of(context).markUnread
                       : S.of(context).markRead,
                     onPressed: () {
+                      HapticFeedback.mediumImpact();
                       Global.itemsModel.updateItem(item.id, read: !item.hasRead);
                     },
                   ),
@@ -219,13 +243,25 @@ class ArticlePageState extends State<ArticlePage> {
                       ? S.of(context).star
                       : S.of(context).unstar,
                     onPressed: () {
+                      HapticFeedback.mediumImpact();
                       Global.itemsModel.updateItem(item.id, starred: !item.starred);
                     },
                   ),
                   CupertinoToolbarItem(
                     icon: CupertinoIcons.share,
                     semanticLabel: S.of(context).share,
-                    onPressed: () { Share.share(item.link); },
+                    onPressed: () {
+                      final media = MediaQuery.of(context);
+                      Share.share(
+                        item.link,
+                        sharePositionOrigin: Rect.fromLTWH(
+                          media.size.width - ArticlePage.state.currentContext.size.width / 2,
+                          media.size.height - media.padding.bottom - 54,
+                          0,
+                          0
+                        )
+                      );
+                    },
                   ),
                   CupertinoToolbarItem(
                     icon: CupertinoIcons.chevron_up,

lib/pages/error_log_page.dart

@@ -0,0 +1,35 @@
+import 'package:fluent_reader_lite/components/list_tile_group.dart';
+import 'package:fluent_reader_lite/generated/l10n.dart';
+import 'package:fluent_reader_lite/utils/colors.dart';
+import 'package:fluent_reader_lite/utils/store.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class ErrorLogPage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final errorLog = Store.getErrorLog();
+    return CupertinoPageScaffold(
+      backgroundColor: MyColors.background,
+      navigationBar: CupertinoNavigationBar(
+        middle: Text(S.of(context).errorLog),
+        trailing: CupertinoButton(
+          padding: EdgeInsets.zero,
+          child: Text(S.of(context).copy),
+          onPressed: () {
+            Clipboard.setData(ClipboardData(text: errorLog));
+          },
+        ),
+      ),
+      child: ListView(children: [
+        ListTileGroup([
+          SelectableText(
+            errorLog,
+            style: TextStyle(color: CupertinoColors.label.resolveFrom(context)),
+          ),
+        ]),
+      ]),
+    );
+  }
+}

lib/pages/item_list_page.dart

@@ -241,7 +241,13 @@ class _ItemListPageState extends State<ItemListPage> {
               ], mainAxisAlignment: MainAxisAlignment.spaceBetween),
               onPressed: () { 
                 Navigator.of(context, rootNavigator: true).pop();
-                Share.share(item.link);
+                final media = MediaQuery.of(context);
+                Share.share(
+                  item.link,
+                  sharePositionOrigin: Rect.fromLTWH(
+                    160, media.size.height - media.padding.bottom, 0, 0
+                  ),
+                );
               },
             ),
           ],

lib/pages/settings/source_edit_page.dart

@@ -58,7 +58,10 @@ class SourceEditPage extends StatelessWidget {
         final urlTile = ListTileGroup([
           MyListTile(
             title: Flexible(child: Text(source.url, style: urlStyle, overflow: TextOverflow.ellipsis)),
-            trailing: Icon(CupertinoIcons.doc_on_clipboard),
+            trailing: Icon(
+              CupertinoIcons.doc_on_clipboard,
+              semanticLabel: S.of(context).copy,
+            ),
             onTap: () { Clipboard.setData(ClipboardData(text: source.url)); },
             trailingChevron: false,
             withDivider: false,

lib/pages/subscription_list_page.dart

@@ -13,6 +13,7 @@ import 'package:fluent_reader_lite/utils/colors.dart';
 import 'package:fluent_reader_lite/utils/global.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:intl/intl.dart';
 import 'package:modal_bottom_sheet/modal_bottom_sheet.dart';
 import 'package:provider/provider.dart';
@@ -98,6 +99,13 @@ class _SubscriptionListPageState extends State<SubscriptionListPage> {
     Navigator.of(context, rootNavigator: true).pushNamed("/settings");
   }
 
+  void _openErrorLog() {
+    if (!Global.syncModel.lastSyncSuccess) {
+      HapticFeedback.mediumImpact();
+      Navigator.of(context, rootNavigator: true).pushNamed("/error-log");
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final navigationBar = CupertinoSliverNavigationBar(
@@ -166,23 +174,26 @@ class _SubscriptionListPageState extends State<SubscriptionListPage> {
     final syncInfo = Consumer<SyncModel>(
       builder: (context, syncModel, child) {
         return SliverToBoxAdapter(
-          child: Container(
-            padding: EdgeInsets.all(12),
-            child: Column(
-              children: [
-                Text(
-                  syncModel.lastSyncSuccess
-                    ? S.of(context).lastSyncSuccess
-                    : S.of(context).lastSyncFailure,
-                  style: syncStyle,
-                ),
-                Text(
-                  DateFormat
-                    .Md(Localizations.localeOf(context).toString())
-                    .add_Hm().format(syncModel.lastSynced),
-                  style: syncStyle,
-                ),
-              ],
+          child: GestureDetector(
+            onLongPress: _openErrorLog,
+            child: Container(
+              padding: EdgeInsets.all(12),
+              child: Column(
+                children: [
+                  Text(
+                    syncModel.lastSyncSuccess
+                      ? S.of(context).lastSyncSuccess
+                      : S.of(context).lastSyncFailure,
+                    style: syncStyle,
+                  ),
+                  Text(
+                    DateFormat
+                      .Md(Localizations.localeOf(context).toString())
+                      .add_Hm().format(syncModel.lastSynced),
+                    style: syncStyle,
+                  ),
+                ],
+              ),
             ),
           ),
         );

lib/utils/store.dart

@@ -6,6 +6,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 abstract class StoreKeys {
   static const GROUPS = "groups";
+  static const ERROR_LOG = "errorLog";
 
   // General
   static const THEME = "theme";
@@ -97,4 +98,12 @@ class Store {
   static void setArticleFontSize(int value) {
     sp.setInt(StoreKeys.ARTICLE_FONT_SIZE, value);
   }
+
+  static String getErrorLog() {
+    return sp.getString(StoreKeys.ERROR_LOG) ?? "";
+  }
+
+  static void setErrorLog(String value) {
+    sp.setString(StoreKeys.ERROR_LOG, value);
+  }
 }

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # 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: 1.0.0+3
+version: 1.0.0+4
 
 environment:
   sdk: ">=2.7.0 <3.0.0"