diff --git a/android/build.gradle b/android/build.gradle
index 711e687d..f646430c 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -10,7 +10,7 @@ buildscript {
         classpath 'io.fabric.tools:gradle:1.+'
         classpath 'com.android.tools.build:gradle:3.2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.google.gms:google-services:3.1.2'
+        classpath 'com.google.gms:google-services:4.2.0'
     }
 }
 
@@ -18,6 +18,9 @@ allprojects {
     repositories {
         google()
         jcenter()
+        maven {
+            url 'https://maven.google.com/'
+        }
     }
 }
 
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 4a865813..5627f9fb 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -241,6 +241,7 @@
 				"${BUILT_PRODUCTS_DIR}/Protobuf/Protobuf.framework",
 				"${BUILT_PRODUCTS_DIR}/fluttertoast/fluttertoast.framework",
 				"${BUILT_PRODUCTS_DIR}/nanopb/nanopb.framework",
+				"${BUILT_PRODUCTS_DIR}/package_info/package_info.framework",
 				"${BUILT_PRODUCTS_DIR}/shared_preferences/shared_preferences.framework",
 				"${BUILT_PRODUCTS_DIR}/url_launcher/url_launcher.framework",
 			);
@@ -251,6 +252,7 @@
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Protobuf.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/fluttertoast.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/nanopb.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/package_info.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/shared_preferences.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/url_launcher.framework",
 			);
diff --git a/lib/config/constants.dart b/lib/config/constants.dart
index 756d1097..16f9714a 100644
--- a/lib/config/constants.dart
+++ b/lib/config/constants.dart
@@ -1,4 +1,10 @@
 class Constants {
+  static bool get isInDebugMode {
+    bool inDebugMode = false;
+    assert(inDebugMode = true);
+    return inDebugMode;
+  }
+
   static const PREF_FIRST_ENTER_APP = "pref_first_enter_app";
   static const PREF_REMEMBER_PASSWORD = "pref_remember_password";
   static const PREF_USERNAME = "pref_username";
@@ -9,6 +15,4 @@ class Constants {
   static const PREF_VIBRATE_COURSE = "pref_vibrate_course";
 
   static const SCHEDULE_DATA = "schedule_data";
-
-  static const APP_VERSION = "v0.3.1";
 }
diff --git a/lib/main.dart b/lib/main.dart
index 5f5f8bc1..326ba6c9 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'package:flutter/material.dart';
+import 'package:nkust_ap/config/constants.dart';
 import 'package:nkust_ap/pages/page.dart';
 import 'package:firebase_analytics/firebase_analytics.dart';
 import 'package:firebase_analytics/observer.dart';
@@ -10,7 +11,7 @@ import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter_crashlytics/flutter_crashlytics.dart';
 
 void main() async {
-  bool isInDebugMode = false;
+  bool isInDebugMode = Constants.isInDebugMode;
   FlutterError.onError = (FlutterErrorDetails details) {
     if (isInDebugMode) {
       // In development mode simply print to console.
diff --git a/lib/models/course_data.dart b/lib/models/course_data.dart
index b1926ac0..027e7e38 100644
--- a/lib/models/course_data.dart
+++ b/lib/models/course_data.dart
@@ -17,8 +17,7 @@ class CourseData {
     );
   }
 
-  Map<String, dynamic> toJson() =>
-      {
+  Map<String, dynamic> toJson() => {
         'status': status,
         'messages': messages,
         'coursetables': courseTables,
@@ -73,8 +72,7 @@ class CourseTables {
     int maxTimeCodes = 10;
     for (int i = 0; i < weeks.length; i++) {
       if (getCourseList(weeks[i]) != null)
-        for (var data
-        in getCourseList(weeks[i])) {
+        for (var data in getCourseList(weeks[i])) {
           for (int j = 0; j < timeCode.length; j++) {
             if (timeCode[j] == data.section) {
               if ((j + 1) > maxTimeCodes) maxTimeCodes = (j + 1);
@@ -87,22 +85,18 @@ class CourseTables {
 
   static CourseTables fromJson(Map<String, dynamic> json) {
     return CourseTables(
-        sunday: Course.toList(json['Sunday']),
-        tuesday: Course.toList(json['Tuesday']),
-        friday: Course.toList(json['Friday']),
-        saturday: Course.toList(json['Saturday']),
-        thursday: Course.toList(json['Thursday']),
-        wednesday: Course.toList(json['Wednesday']),
-        monday: Course.toList(json['Monday']),
-        timeCode: List < String
-        >
-            .from(json['timecode'] ??
-        [
-        ]),);
+      sunday: Course.toList(json['Sunday']),
+      tuesday: Course.toList(json['Tuesday']),
+      friday: Course.toList(json['Friday']),
+      saturday: Course.toList(json['Saturday']),
+      thursday: Course.toList(json['Thursday']),
+      wednesday: Course.toList(json['Wednesday']),
+      monday: Course.toList(json['Monday']),
+      timeCode: List<String>.from(json['timecode'] ?? []),
+    );
   }
 
-  Map<String, dynamic> toJson() =>
-      {
+  Map<String, dynamic> toJson() => {
         'Sunday': sunday,
         'Tuesday': tuesday,
         'Friday': friday,
@@ -137,26 +131,36 @@ class Course {
 
   static List<Course> toList(List<dynamic> jsonArray) {
     List<Course> list = [];
-    for (var item in (jsonArray ?? []))
-      list.add(Course.fromJson(item));
+    for (var item in (jsonArray ?? [])) list.add(Course.fromJson(item));
     return list;
   }
 
   static Course fromJson(Map<String, dynamic> json) {
+    print(json['instructors']);
     return Course(
-        title: json['title'],
-        startTime: json['date']["start_time"],
-        endTime: json['date']["end_time"],
-        weekday: json['date']["weekday"],
-        section: json['date']["section"],
-        building: json['location']["building"],
-        room: json['location']["room"],
-        instructors: List<String>.from(json['instructors']),);
+      title: json['title'],
+      startTime: json['date']["start_time"],
+      endTime: json['date']["end_time"],
+      weekday: json['date']["weekday"],
+      section: json['date']["section"],
+      building: json['location']["building"],
+      room: json['location']["room"],
+        instructors: List<String>.from(json['instructors'])
+    );
+  }
+
+  String getInstructors() {
+    String text = "";
+    if(instructors.length>0){
+      text += instructors[0];
+      for(var i = 1 ; i < instructors.length ; i++)
+        text += ",${instructors[i]}";
+    }
+    return text;
   }
 
-  Map<String, dynamic> toJson() =>
-      {
+  Map<String, dynamic> toJson() => {
         'title': title,
         'instructors': instructors,
       };
-}
\ No newline at end of file
+}
diff --git a/lib/pages/home/about/about_us_page.dart b/lib/pages/home/about/about_us_page.dart
index 31c6c4cb..db586046 100644
--- a/lib/pages/home/about/about_us_page.dart
+++ b/lib/pages/home/about/about_us_page.dart
@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:nkust_ap/res/resource.dart' as Resource;
 import 'package:nkust_ap/api/helper.dart';
@@ -55,7 +57,8 @@ class AboutUsPageState extends State<AboutUsPage>
                 IconButton(
                     icon: Icon(Icons.code),
                     onPressed: () {
-                      Navigator.of(context).pushNamed(OpenSourcePage.routerName);
+                      Navigator.of(context)
+                          .pushNamed(OpenSourcePage.routerName);
                     })
               ],
               backgroundColor: Resource.Colors.blue,
@@ -116,14 +119,26 @@ class AboutUsPageState extends State<AboutUsPage>
                           IconButton(
                             icon: Image.asset("assets/images/ic_fb.png"),
                             onPressed: () {
-                              Utils.launchUrl('https://www.facebook.com/NKUST.ITC/');
+                              if (Platform.isAndroid)
+                                Utils.launchUrl('fb://page/735951703168873')
+                                    .catchError((onError) => Utils.launchUrl(
+                                        'https://www.facebook.com/NKUST.ITC/'));
+                              else
+                                Utils.launchUrl(
+                                    'https://www.facebook.com/NKUST.ITC/');
                             },
                             iconSize: 48.0,
                           ),
                           IconButton(
                             icon: Image.asset("assets/images/ic_github.png"),
                             onPressed: () {
-                              Utils.launchUrl('https://github.com/NKUST-ITC');
+                              if (Platform.isAndroid)
+                                Utils.launchUrl(
+                                        'github://organization/NKUST-ITC')
+                                    .catchError((onError) => Utils.launchUrl(
+                                        'https://github.com/NKUST-ITC'));
+                              else
+                                Utils.launchUrl('https://github.com/NKUST-ITC');
                             },
                             iconSize: 48.0,
                           ),
diff --git a/lib/pages/home/bus/bus_reservations_page.dart b/lib/pages/home/bus/bus_reservations_page.dart
index 775d69f3..3a93940b 100644
--- a/lib/pages/home/bus/bus_reservations_page.dart
+++ b/lib/pages/home/bus/bus_reservations_page.dart
@@ -32,7 +32,10 @@ class BusReservationsPage extends StatefulWidget {
 }
 
 class BusReservationsPageState extends State<BusReservationsPage>
-    with SingleTickerProviderStateMixin {
+    with AutomaticKeepAliveClientMixin {
+  @override
+  bool get wantKeepAlive => true;
+
   BusReservationsState state = BusReservationsState.loading;
   BusReservationsData busReservationsData;
   List<Widget> busReservationWeights = [];
diff --git a/lib/pages/home/bus/bus_reserve_page.dart b/lib/pages/home/bus/bus_reserve_page.dart
index 125e344d..0e2b4895 100644
--- a/lib/pages/home/bus/bus_reserve_page.dart
+++ b/lib/pages/home/bus/bus_reserve_page.dart
@@ -32,7 +32,10 @@ class BusReservePage extends StatefulWidget {
 }
 
 class BusReservePageState extends State<BusReservePage>
-    with SingleTickerProviderStateMixin {
+    with AutomaticKeepAliveClientMixin {
+  @override
+  bool get wantKeepAlive => true;
+
   BusReserveState state = BusReserveState.loading;
   BusData busData;
   List<Widget> busTimeWeights = [];
diff --git a/lib/pages/home/bus_page.dart b/lib/pages/home/bus_page.dart
index 60b013f6..7ab508fa 100644
--- a/lib/pages/home/bus_page.dart
+++ b/lib/pages/home/bus_page.dart
@@ -19,29 +19,37 @@ class BusPageRoute extends MaterialPageRoute {
 
 class BusPage extends StatefulWidget {
   static const String routerName = "/bus";
+  final List<Widget> _children = [
+    new BusReservePage(),
+    new BusReservationsPage()
+  ];
 
   @override
-  BusPageState createState() => new BusPageState();
+  BusPageState createState() => new BusPageState(_children);
 }
 
-class BusPageState extends State<BusPage> with SingleTickerProviderStateMixin {
+class BusPageState extends State<BusPage>
+    with SingleTickerProviderStateMixin {
+  final List<Widget> _children;
   int _currentIndex = 0;
-  final List<Widget> _children = [
-    new BusReservePage(),
-    new BusReservationsPage()
-  ];
   List<String> _title;
 
   AppLocalizations local;
 
+  TabController controller;
+
+  BusPageState(this._children);
+
   @override
   void initState() {
     super.initState();
+    controller = TabController(length: 2, vsync: this);
   }
 
   @override
   void dispose() {
     super.dispose();
+    controller.dispose();
   }
 
   @override
@@ -55,7 +63,7 @@ class BusPageState extends State<BusPage> with SingleTickerProviderStateMixin {
         title: new Text(_title[_currentIndex]),
         backgroundColor: Resource.Colors.blue,
       ),
-      body: _children[_currentIndex],
+      body: TabBarView(children: _children,controller: controller,physics: new NeverScrollableScrollPhysics()),
       bottomNavigationBar: new BottomNavigationBar(
         currentIndex: _currentIndex,
         onTap: onTabTapped,
@@ -77,6 +85,7 @@ class BusPageState extends State<BusPage> with SingleTickerProviderStateMixin {
   void onTabTapped(int index) {
     setState(() {
       _currentIndex = index;
+      controller.animateTo(_currentIndex);
     });
   }
 }
diff --git a/lib/pages/home/course_page.dart b/lib/pages/home/course_page.dart
index 622a6ee6..463c1600 100644
--- a/lib/pages/home/course_page.dart
+++ b/lib/pages/home/course_page.dart
@@ -100,7 +100,7 @@ class CoursePageState extends State<CoursePage>
 
   Widget _courseBorder(Course course) {
     String content = "${local.courseDialogName}：${course.title}\n"
-        "${local.courseDialogProfessor}：${course.instructors[0] ?? ""}\n"
+        "${local.courseDialogProfessor}：${course.getInstructors()}\n"
         "${local.courseDialogLocation}：${course.building}${course.room}\n"
         "${local.courseDialogTime}：${course.startTime}-${course.endTime}";
     return new Container(
@@ -112,7 +112,10 @@ class CoursePageState extends State<CoursePage>
             showDialog(
                 context: context,
                 builder: (BuildContext context) => AlertDialog(
-                      title: Text(local.courseDialogTitle),
+                      title: Text(
+                        local.courseDialogTitle,
+                        style: TextStyle(color: Resource.Colors.blue),
+                      ),
                       content: Text(content),
                       actions: <Widget>[
                         FlatButton(
diff --git a/lib/pages/home/score_page.dart b/lib/pages/home/score_page.dart
index eab0bd99..e9417722 100644
--- a/lib/pages/home/score_page.dart
+++ b/lib/pages/home/score_page.dart
@@ -27,7 +27,7 @@ class ScorePage extends StatefulWidget {
 
 class ScorePageState extends State<ScorePage>
     with SingleTickerProviderStateMixin {
-  List<Widget> scoreWeightList = [];
+  List<TableRow> scoreWeightList = [];
 
   var selectSemesterIndex;
   Semester selectSemester;
@@ -58,15 +58,12 @@ class ScorePageState extends State<ScorePage>
     return TextStyle(color: Colors.black, fontSize: 14.0);
   }
 
-  _scoreTitle() => Container(
-        width: double.infinity,
-        child: Row(
-          children: <Widget>[
-            Expanded(child: _scoreTextBorder(local.subject, false, true)),
-            Expanded(child: _scoreTextBorder(local.midtermScore, false, true)),
-            Expanded(child: _scoreTextBorder(local.finalScore, true, true)),
-          ],
-        ),
+  _scoreTitle() => TableRow(
+        children: <Widget>[
+          _scoreTextBorder(local.subject, true),
+          _scoreTextBorder(local.midtermScore, true),
+          _scoreTextBorder(local.finalScore, true),
+        ],
       );
 
   Widget _textBorder(String text, bool isTop) {
@@ -88,17 +85,10 @@ class ScorePageState extends State<ScorePage>
     );
   }
 
-  Widget _scoreTextBorder(String text, bool isEnd, bool isTitle) {
+  Widget _scoreTextBorder(String text, bool isTitle) {
     return Container(
       width: double.maxFinite,
-      padding: EdgeInsets.symmetric(vertical: 2.0),
-      decoration: new BoxDecoration(
-        border: new Border(
-          right: isEnd
-              ? BorderSide.none
-              : BorderSide(color: Colors.grey, width: 0.5),
-        ),
-      ),
+      padding: EdgeInsets.symmetric(vertical:2.0,horizontal: 4.0),
       alignment: Alignment.center,
       child: Text(
         text ?? "",
@@ -108,22 +98,12 @@ class ScorePageState extends State<ScorePage>
     );
   }
 
-  Widget _scoreBorder(Score score) {
-    return Container(
-      width: double.infinity,
-      decoration: new BoxDecoration(
-        border: new Border(
-          top: BorderSide(color: Colors.grey, width: 0.5),
-        ),
-      ),
-      child: Row(
-        children: <Widget>[
-          Expanded(child: _scoreTextBorder(score.title, false, false)),
-          Expanded(child: _scoreTextBorder(score.middleScore, false, false)),
-          Expanded(child: _scoreTextBorder(score.finalScore, true, false)),
-        ],
-      ),
-    );
+  _scoreBorder(Score score) {
+    return TableRow(children: <Widget>[
+      _scoreTextBorder(score.title, false),
+      _scoreTextBorder(score.middleScore, false),
+      _scoreTextBorder(score.finalScore, false)
+    ]);
   }
 
   @override
@@ -219,10 +199,12 @@ class ScorePageState extends State<ScorePage>
                       10.0,
                     ),
                   ),
-                  border: new Border.all(color: Colors.grey, width: 1.0),
+                  border: new Border.all(color: Colors.grey, width: 1.5),
                 ),
-                child: Flex(
-                  direction: Axis.vertical,
+                child: Table(
+                  defaultVerticalAlignment: TableCellVerticalAlignment.middle,
+                  border: TableBorder.symmetric(
+                      inside: BorderSide(color: Colors.grey)),
                   children: scoreWeightList,
                 ),
               ),
@@ -236,7 +218,7 @@ class ScorePageState extends State<ScorePage>
                       10.0,
                     ),
                   ),
-                  border: new Border.all(color: Colors.grey, width: 1.0),
+                  border: new Border.all(color: Colors.grey, width: 1.5),
                 ),
                 child: Column(
                   children: <Widget>[
diff --git a/lib/pages/home/setting_page.dart b/lib/pages/home/setting_page.dart
index 6af80555..1ab76b2c 100644
--- a/lib/pages/home/setting_page.dart
+++ b/lib/pages/home/setting_page.dart
@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:nkust_ap/res/resource.dart' as Resource;
 import 'package:nkust_ap/api/helper.dart';
@@ -8,6 +10,7 @@ import 'package:nkust_ap/utils/app_localizations.dart';
 import 'package:nkust_ap/utils/utils.dart';
 import 'package:nkust_ap/config/constants.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:package_info/package_info.dart';
 
 class SettingPageRoute extends MaterialPageRoute {
   SettingPageRoute()
@@ -38,6 +41,8 @@ class SettingPageState extends State<SettingPage>
 
   AppLocalizations local;
 
+  String appVersion = "1.0.0";
+
   @override
   void initState() {
     super.initState();
@@ -96,13 +101,18 @@ class SettingPageState extends State<SettingPage>
               ),
               _titleItem(local.otherInfo),
               _item(local.feedback, local.feedbackViaFacebook, () {
-                Utils.launchUrl('https://www.facebook.com/954175941266264/');
+                if (Platform.isAndroid)
+                  Utils.launchUrl('fb://messaging/954175941266264').catchError(
+                      (onError) => Utils.launchUrl(
+                          'https://www.facebook.com/954175941266264/'));
+                else
+                  Utils.launchUrl('https://www.facebook.com/954175941266264/');
               }),
               _item(local.donateTitle, local.donateContent, () {
                 Utils.launchUrl(
                     "https://payment.ecpay.com.tw/QuickCollect/PayData?mLM7iy8RpUGk%2fyBotSDMdvI0qGI5ToToqBW%2bOQbOE80%3d");
               }),
-              _item(local.appVersion, Constants.APP_VERSION, () {}),
+              _item(local.appVersion, "v$appVersion", () {}),
             ]),
       ),
     );
@@ -141,6 +151,8 @@ class SettingPageState extends State<SettingPage>
 
   _getPreference() async {
     prefs = await SharedPreferences.getInstance();
+    PackageInfo packageInfo = await PackageInfo.fromPlatform();
+    appVersion = packageInfo.version;
     displayPicture = prefs.getBool(Constants.PREF_DISPLAY_PICTURE) ?? true;
     setState(() {});
   }
diff --git a/lib/pages/login_page.dart b/lib/pages/login_page.dart
index ff795d2e..4cfbbbf0 100644
--- a/lib/pages/login_page.dart
+++ b/lib/pages/login_page.dart
@@ -10,6 +10,7 @@ import 'package:nkust_ap/config/constants.dart';
 import 'package:nkust_ap/api/helper.dart';
 import 'package:nkust_ap/utils/app_localizations.dart';
 import 'package:nkust_ap/widgets/checkbox_title.dart';
+import 'package:package_info/package_info.dart';
 
 class LoginPage extends StatefulWidget {
   static const String routerName = "/login";
@@ -114,12 +115,13 @@ class LoginPageState extends State<LoginPage>
 
   _showDialog() async {
     prefs = await SharedPreferences.getInstance();
+    PackageInfo packageInfo = await PackageInfo.fromPlatform();
     await Future.delayed(Duration(milliseconds: 50));
     if (prefs.getBool(Constants.PREF_FIRST_ENTER_APP) ?? true)
       Utils.showDefaultDialog(
           context,
           AppLocalizations.of(context).updateNoteTitle,
-          "${Constants.APP_VERSION}\n"
+          "v${packageInfo.version}\n"
           "${AppLocalizations.of(context).updateNoteContent}",
           AppLocalizations.of(context).ok, () {
         prefs.setBool(Constants.PREF_FIRST_ENTER_APP, false);
diff --git a/lib/utils/utils.dart b/lib/utils/utils.dart
index 7c95e3e5..1bcf6537 100644
--- a/lib/utils/utils.dart
+++ b/lib/utils/utils.dart
@@ -55,7 +55,7 @@ class Utils {
             ));
   }
 
-  static launchUrl(var url) async {
+  static Future<void> launchUrl(var url) async {
     if (await canLaunch(url)) {
       await launch(url);
     } else {
diff --git a/lib/widgets/drawer_body.dart b/lib/widgets/drawer_body.dart
index 447b4fe5..580a4adb 100644
--- a/lib/widgets/drawer_body.dart
+++ b/lib/widgets/drawer_body.dart
@@ -136,9 +136,11 @@ class DrawerBodyState extends State<DrawerBody> {
 
   _getUserPicture() {
     Helper.instance.getUsersPicture().then((url) {
-      setState(() {
-        pictureUrl = url;
-      });
+      if (this.mounted) {
+        setState(() {
+          pictureUrl = url;
+        });
+      }
     }).catchError((e) {
       assert(e is DioError);
       DioError dioError = e as DioError;
@@ -156,9 +158,11 @@ class DrawerBodyState extends State<DrawerBody> {
 
   _getUserInfo() {
     Helper.instance.getUsersInfo().then((response) {
-      setState(() {
-        userInfo = response;
-      });
+      if (this.mounted) {
+        setState(() {
+          userInfo = response;
+        });
+      }
     }).catchError((e) {
       assert(e is DioError);
       DioError dioError = e as DioError;
diff --git a/pubspec.yaml b/pubspec.yaml
index c204842d..4b84a646 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: nkust_ap
 description: A new Flutter application.
 
-version: 0.3.3+303
+version: 0.3.4+304
 
 environment:
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
@@ -13,8 +13,8 @@ dependencies:
     sdk: flutter
   shared_preferences: ^0.4.2
   cupertino_icons: ^0.1.2
-  dio: 1.0.4
-  fluttertoast: ^2.0.9
+  dio: 1.0.9
+  fluttertoast: ^2.1.2
   firebase_core: ^0.2.5+1
   firebase_analytics: 1.0.4
   firebase_remote_config: ^0.0.6+1
@@ -23,6 +23,7 @@ dependencies:
   url_launcher: ^4.0.1
   carousel_slider: ^0.0.7
   flutter_crashlytics: 0.1.1
+  package_info: ^0.3.2
 dev_dependencies:
   flutter_test:
     sdk: flutter