some more notification stuff

lib/pages/NotificationsPage.dart

@@ -3,6 +3,12 @@ import 'package:flutter/material.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:ohthatsa/AppDrawer.dart';
 import 'package:ohthatsa/main.dart';
+import 'package:ohthatsa/pages/practice/thing/PracticeThing.dart';
+import 'package:ohthatsa/pages/practice/thing/PracticeThingAll.dart';
+import 'package:ohthatsa/pages/practice/thing/PracticeThingYear.dart';
+
+import 'package:timezone/data/latest.dart' as tz;
+import 'package:timezone/timezone.dart' as tz;
 
 class NotificationsPage extends StatefulWidget {
   @override
@@ -25,7 +31,25 @@ class _NotificationPageState extends State<NotificationsPage> {
             color: Colors.blue,
             textColor: Colors.white,
             onPressed: _notify
-          )
+          ),
+          FlatButton(
+              child: Text("Schedule notification!"),
+              color: Colors.blue,
+              textColor: Colors.white,
+              onPressed: _scheduleNotify
+          ),
+          FlatButton(
+              child: Text("Waiting?"),
+              color: Colors.blue,
+              textColor: Colors.white,
+              onPressed: _checkPendingNotificationRequests
+          ),
+          FlatButton(
+              child: Text("Cancel"),
+              color: Colors.blue,
+              textColor: Colors.white,
+              onPressed: _cancelAllNotifications
+          ),
         ],
       )
     );
@@ -39,10 +63,51 @@ class _NotificationPageState extends State<NotificationsPage> {
     await flutterLocalNotificationsPlugin.show(
       0,
       'Title!',
-      'and the body...',
+      'and the body...\nnewline;alskdjf;leowijhfraojnfoeiurhowieurhlaskbjdfowiuehrpwqiuehrwiejhraowlijehbrwaoliuh?',
       platformChannelSpecifics,
       payload: "test item?"
     );
+  }
 
+  Future<void> _scheduleNotify() async {
+    PracticeThingAll pt = PracticeThingAll();
+
+    await flutterLocalNotificationsPlugin.zonedSchedule(
+      0,
+      pt.dateFormatter.format(pt.current),
+      pt.weekdayFormatter.format(pt.current),
+        tz.TZDateTime.now(tz.local).add(const Duration(seconds: 5)),
+      const NotificationDetails(
+        android: AndroidNotificationDetails("id", "name", "desc")
+      ),
+      androidAllowWhileIdle: true,
+      uiLocalNotificationDateInterpretation: UILocalNotificationDateInterpretation.absoluteTime,
+      matchDateTimeComponents: DateTimeComponents.time
+    );
+  }
+
+  Future<void> _checkPendingNotificationRequests() async {
+    final List<PendingNotificationRequest> pendingNotificationRequests =
+    await flutterLocalNotificationsPlugin.pendingNotificationRequests();
+    return showDialog<void>(
+      context: context,
+      builder: (BuildContext context) => AlertDialog(
+        content:
+        Text('${pendingNotificationRequests.length} pending notification '
+            'requests'),
+        actions: <Widget>[
+          FlatButton(
+            onPressed: () {
+              Navigator.of(context).pop();
+            },
+            child: const Text('OK'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Future<void> _cancelAllNotifications() async {
+    await flutterLocalNotificationsPlugin.cancelAll();
   }
 }