[frontend] 알람 설정 완료

 import 'package:flutter/material.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/services.dart';
 import '../../shared/colors.dart';
 import '../../shared/colors.dart';
+import 'package:rxdart/subjects.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:flutter_application_1/src/screens/SettingPage.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_datetime_picker/flutter_datetime_picker.dart';
+
+final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+    FlutterLocalNotificationsPlugin();
+// Streams are created so that app can respond to notification-related events since the plugin is initialised in the `main` function
+final BehaviorSubject<ReceivedNotification> didReceiveLocalNotificationSubject =
+    BehaviorSubject<ReceivedNotification>();
+
+final BehaviorSubject<String> selectNotificationSubject =
+    BehaviorSubject<String>();
+
+NotificationAppLaunchDetails notificationAppLaunchDetails;
+
+class ReceivedNotification {
+  final int id;
+  final String title;
+  final String body;
+  final String payload;
+
+  ReceivedNotification({
+    @required this.id,
+    @required this.title,
+    @required this.body,
+    @required this.payload,
+  });
+}
 
 
 class Alarm extends StatefulWidget {
 class Alarm extends StatefulWidget {
   @override
   @override
@@ -9,16 +39,325 @@ class Alarm extends StatefulWidget {
 }
 }
 
 
 class _AlarmnState extends State<Alarm> {
 class _AlarmnState extends State<Alarm> {
+  FlutterLocalNotificationsPlugin fltrNotification;
+
+  void initState() {
+    super.initState();
+
+    main();
+  }
+
+  Future<void> main() async {
+    // needed if you intend to initialize in the `main` function
+    WidgetsFlutterBinding.ensureInitialized();
+    // NOTE: if you want to find out if the app was launched via notification then you could use the following call and then do something like
+    // change the default route of the app
+    // var notificationAppLaunchDetails =
+    //     await flutterLocalNotificationsPlugin.getNotificationAppLaunchDetails();
+
+    var initializationSettingsAndroid =
+        new AndroidInitializationSettings('app_icon');
+    var initializationSettingsIOS = IOSInitializationSettings(
+        requestAlertPermission: true,
+        requestBadgePermission: true,
+        requestSoundPermission: true,
+        onDidReceiveLocalNotification:
+            (int id, String title, String body, String payload) async {});
+    var initializationSettings = InitializationSettings(
+        initializationSettingsAndroid, initializationSettingsIOS);
+    await flutterLocalNotificationsPlugin.initialize(initializationSettings,
+        onSelectNotification: (String payload) async {
+      if (payload != null) {
+        debugPrint('notification payload: ' + payload);
+      }
+    });
+  }
+
+  void _requestIOSPermissions() {
+    flutterLocalNotificationsPlugin
+        .resolvePlatformSpecificImplementation<
+            IOSFlutterLocalNotificationsPlugin>()
+        ?.requestPermissions(
+          alert: true,
+          badge: true,
+          sound: true,
+        );
+  }
+
+  void _configureDidReceiveLocalNotificationSubject() {
+    didReceiveLocalNotificationSubject.stream
+        .listen((ReceivedNotification receivedNotification) async {
+      await showDialog(
+        context: context,
+        builder: (BuildContext context) => CupertinoAlertDialog(
+          title: receivedNotification.title != null
+              ? Text(receivedNotification.title)
+              : null,
+          content: receivedNotification.body != null
+              ? Text(receivedNotification.body)
+              : null,
+          actions: [
+            CupertinoDialogAction(
+              isDefaultAction: true,
+              child: Text('Ok'),
+              onPressed: () async {
+                Navigator.of(context, rootNavigator: true).pop();
+                await Navigator.push(
+                  context,
+                  MaterialPageRoute(
+                    builder: (context) =>
+                        SecondScreen(receivedNotification.payload),
+                  ),
+                );
+              },
+            )
+          ],
+        ),
+      );
+    });
+  }
+
+  void _configureSelectNotificationSubject() {
+    selectNotificationSubject.stream.listen((String payload) async {
+      await Navigator.push(
+        context,
+        MaterialPageRoute(builder: (context) => SecondScreen(payload)),
+      );
+    });
+  }
+
+  @override
+  void dispose() {
+    didReceiveLocalNotificationSubject.close();
+    selectNotificationSubject.close();
+    super.dispose();
+  }
+
   Widget build(BuildContext context) {
   Widget build(BuildContext context) {
     final Size size = MediaQuery.of(context).size;
     final Size size = MediaQuery.of(context).size;
     return MaterialApp(
     return MaterialApp(
       title: 'Welcome to Flutter',
       title: 'Welcome to Flutter',
       home: Scaffold(
       home: Scaffold(
         appBar: AppBar(
         appBar: AppBar(
-          title: Text('Welcome to Flutter'),
+          iconTheme: IconThemeData(color: Colors.black),
+          backgroundColor: Colors.white,
+          title: Text(
+            'Smart Medicine Box',
+            style: TextStyle(
+                color: Colors.black,
+                fontSize: 20,
+                fontFamily: 'Noto',
+                fontWeight: FontWeight.bold),
+          ),
+          actions: [
+            IconButton(
+              icon: Icon(
+                Icons.settings,
+                color: Colors.black,
+              ),
+              onPressed: () {
+                Navigator.push(
+                    context,
+                    MaterialPageRoute(
+                      builder: (BuildContext context) => SettingPage(),
+                    ));
+              },
+            )
+          ],
+        ),
+        drawer: Drawer(
+          child: ListView(
+            children: [
+              DrawerHeader(
+                child: Text('Drawer Header'),
+                decoration: BoxDecoration(
+                  color: Colors.blue,
+                ),
+              ),
+              ListTile(
+                title: Text('Test 1'),
+                onTap: () {},
+              ),
+              ListTile(
+                title: Text('Test 2'),
+                onTap: () {},
+              ),
+              ListTile(
+                title: Text('Test 3'),
+                onTap: () {},
+              ),
+            ],
+          ),
         ),
         ),
-        body: Center(
-          child: Text('약병 내부 페이지 작업 영역'),
+        body: FlatButton(
+          height: size.height * 0.07,
+          onPressed: () {
+            _showDailyAtTime(1, 2);
+          },
+          child: Text(
+            '알람 설정',
+            textScaleFactor: 1.0,
+            style: TextStyle(
+                color: Colors.white,
+                fontSize: 24,
+                fontFamily: 'Noto',
+                fontWeight: FontWeight.bold),
+          ),
+          color: Color(0xff8E97FD),
+          shape:
+              RoundedRectangleBorder(borderRadius: BorderRadius.circular(50)),
+        ),
+      ),
+    );
+  }
+
+  Future<void> _cancelNotification() async {
+    await flutterLocalNotificationsPlugin.cancel(0);
+  }
+
+  Future<void> _showTimeoutNotification() async {
+    var androidPlatformChannelSpecifics = AndroidNotificationDetails(
+        'silent channel id',
+        'silent channel name',
+        'silent channel description',
+        timeoutAfter: 3000,
+        styleInformation: DefaultStyleInformation(true, true));
+    var iOSPlatformChannelSpecifics =
+        IOSNotificationDetails(presentSound: false);
+    var platformChannelSpecifics = NotificationDetails(
+        androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
+    await flutterLocalNotificationsPlugin.show(0, 'timeout notification',
+        'Times out after 3 seconds', platformChannelSpecifics);
+  }
+
+  Future<void> _cancelAllNotifications() async {
+    await flutterLocalNotificationsPlugin.cancelAll();
+  }
+
+  /// 매일 지정된 시간에 Alarm 을 트는 Function
+  Future<void> _showDailyAtTime(int a, int b) async {
+    var time = Time(11, 24, 0);
+    var androidPlatformChannelSpecifics = AndroidNotificationDetails(
+        'repeatDailyAtTime channel id',
+        'repeatDailyAtTime channel name',
+        'repeatDailyAtTime description');
+    var iOSPlatformChannelSpecifics = IOSNotificationDetails();
+    var platformChannelSpecifics = NotificationDetails(
+        androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
+    await flutterLocalNotificationsPlugin.showDailyAtTime(
+        1,
+        '알람 시간 알림 ',
+        '설정하신 시간인  ${_toTwoDigitString(time.hour)}시 ${_toTwoDigitString(time.minute)}분입니다.',
+        time,
+        platformChannelSpecifics);
+
+    var pendingNotificationRequests =
+        await flutterLocalNotificationsPlugin.pendingNotificationRequests();
+
+    print(pendingNotificationRequests.toList());
+  }
+
+  /// weekday 가 1부터 7순으로 일 월 화 수 목 금 토 일 순서로 구성이 되어 있음 이에 따라 설정한 Weekday time 에 학습 알람을 뛰어주는 역할을 해주는 함수
+  Future<void> _showWeeklyAtDayAndTime(
+      int a, int b, int weekday, int index, int idindex) async {
+    print(index + idindex);
+
+    Day setDay;
+
+    if (weekday == 1) {
+      setDay = Day.Monday;
+    } else if (weekday == 2) {
+      setDay = Day.Tuesday;
+    } else if (weekday == 3) {
+      setDay = Day.Wednesday;
+    } else if (weekday == 4) {
+      setDay = Day.Thursday;
+    } else if (weekday == 5) {
+      setDay = Day.Friday;
+    } else if (weekday == 6) {
+      setDay = Day.Saturday;
+    } else if (weekday == 7) {
+      setDay = Day.Sunday;
+    }
+
+    var time = Time(a, b, 0);
+    var androidPlatformChannelSpecifics = AndroidNotificationDetails(
+        'show weekly channel id',
+        'show weekly channel name',
+        'show weekly description');
+    var iOSPlatformChannelSpecifics = IOSNotificationDetails();
+    var platformChannelSpecifics = NotificationDetails(
+        androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
+    await flutterLocalNotificationsPlugin.showWeeklyAtDayAndTime(
+        index + idindex,
+        '약통 알람 ',
+        '알약 섭취 시간인  ${_toTwoDigitString(time.hour)}:${_toTwoDigitString(time.minute)}이 되었습니다.',
+        setDay,
+        time,
+        platformChannelSpecifics);
+  }
+
+  String _toTwoDigitString(int value) {
+    return value.toString().padLeft(2, '0');
+  }
+
+  Future<void> onDidReceiveLocalNotification(
+      int id, String title, String body, String payload) async {
+    // display a dialog with the notification details, tap ok to go to another page
+    await showDialog(
+      context: context,
+      builder: (BuildContext context) => CupertinoAlertDialog(
+        title: title != null ? Text(title) : null,
+        content: body != null ? Text(body) : null,
+        actions: [
+          CupertinoDialogAction(
+            isDefaultAction: true,
+            child: Text('Ok'),
+            onPressed: () async {
+              Navigator.of(context, rootNavigator: true).pop();
+              await Navigator.push(
+                context,
+                MaterialPageRoute(
+                  builder: (context) => SecondScreen(payload),
+                ),
+              );
+            },
+          )
+        ],
+      ),
+    );
+  }
+}
+
+class SecondScreen extends StatefulWidget {
+  SecondScreen(this.payload);
+
+  final String payload;
+
+  @override
+  State<StatefulWidget> createState() => SecondScreenState();
+}
+
+class SecondScreenState extends State<SecondScreen> {
+  String _payload;
+  @override
+  void initState() {
+    super.initState();
+    _payload = widget.payload;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Second Screen with payload: ${(_payload ?? '')}'),
+      ),
+      body: Center(
+        child: RaisedButton(
+          onPressed: () {
+            Navigator.pop(context);
+          },
+          child: Text('Go back!'),
         ),
         ),
       ),
       ),
     );
     );