app for expo

flutter_app/lib/main.dart

@@ -1,5 +1,6 @@
 import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:flutter/material.dart';
+import 'dart:async';
 
 void main() => runApp(MyApp());
 
@@ -7,7 +8,8 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Names',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData.dark(),
       home: MyHomePage(),
     );
   }
@@ -22,50 +24,64 @@ class MyHomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<MyHomePage> {
   final db = Firestore.instance.collection('lots');
-  static int lot = 25;
+  static int lot = 5;
+  static int col = 4;
+
+//  Future<List<LotRecord>> getLots(Future<>) async{
+//  List<lotRecord> lotList =
+//
+//    return lotList;
+//}
+  void getLot(){
+    print("pressed");
+  }
+
 
   @override
   Widget build(BuildContext context) {
+    void _swichLayout(){
+      setState(() {
+        if (col == 2){
+          print("col = 2");
+          col=4;
+        }
+        else {
+          print("col =" + col.toString());
+          col =2;
+        }
+      });
+    }
+    void _onItemTapped(int index) {
+      getLot();
+      setState(() {
+        index == 0 ? lot-- : lot++;
+      });
+    }
     return Scaffold(
-      appBar: AppBar(title: Text(lot.toString())),
+      appBar: AppBar(title: Text("Lot Number: " + lot.toString()), centerTitle: true,),
       body:
 //      _buildLot(context, db),
       _buildBody(
-          context, db.document("Lot" + lot.toString()).collection('stalls'), 4),
-      floatingActionButton: FloatingActionButton(
-        child: Text("Next Lot"),
-        onPressed: () {
-          setState(() {
-            lot++;
-          });
-        },
+          context, db.document("Lot" + lot.toString()).collection('stalls'), col),
+      bottomNavigationBar: BottomNavigationBar(
+//        type: BottomNavigationBarType.shifting ,
+        items: <BottomNavigationBarItem>[
+          BottomNavigationBarItem(icon: Icon(Icons.arrow_back, color: Colors.white70), title: Text('Last Lot', style: TextStyle(color: Colors.white))),
+          BottomNavigationBarItem(icon: Icon(Icons.arrow_forward, color: Colors.white70), title: Text('Next Lot', style: TextStyle(color: Colors.white))),
+        ],
+        currentIndex: 0,
+        fixedColor: Colors.deepPurple,
+        onTap: _onItemTapped,
       ),
-
+      floatingActionButton: FloatingActionButton(onPressed: _swichLayout),
     );
+
   }
 }
 
-Widget _buildLot(BuildContext context, CollectionReference lotDB) {
-  return StreamBuilder<QuerySnapshot>(
-    stream: lotDB.snapshots(),
-    builder: (context, snapshot) {
-      if (!snapshot.hasData) return LinearProgressIndicator();
-      return _buildLotList(context, snapshot.data.documents);
-    },
-  );
-}
 
-Widget _buildLotList(BuildContext context, List<DocumentSnapshot> snapshot) {
-  return ListView(
-    children:
-    snapshot.map((data) => _buildListLotItem(context, data)).toList(),
-  );
-}
 
-Widget _buildListLotItem(BuildContext context, DocumentSnapshot data) {
-  final record = LotRecord.fromSnapshot(data);
-  return Text(record.stall.toString());
-}
+
 
 Widget _(BuildContext context, CollectionReference stallDB, int col) {
   return StreamBuilder<QuerySnapshot>(
@@ -78,22 +94,22 @@ Widget _(BuildContext context, CollectionReference stallDB, int col) {
   );
 }
 
-Widget _buildBody(BuildContext context, CollectionReference stallDB, int col) {
+Widget _buildBody(BuildContext context, CollectionReference stallDB,int col) {
   return StreamBuilder<QuerySnapshot>(
     stream: stallDB.snapshots(),
     builder: (context, snapshot) {
       if (!snapshot.hasData) return LinearProgressIndicator();
 
-      return _buildList(context, snapshot.data.documents, col);
+      return _buildList(context, snapshot.data.documents,col);
     },
   );
 }
 
-Widget _buildList(BuildContext context, List<DocumentSnapshot> snapshot,
-    int col) {
+Widget _buildList(BuildContext context, List<DocumentSnapshot> snapshot,int col) {
   return GridView.count(
     primary: false,
-    padding: const EdgeInsets.all(60),
+    padding:  EdgeInsets.all(120/col),
+    childAspectRatio: 2/col,
     crossAxisSpacing: 5.0,
     crossAxisCount: col,
     children: snapshot.map((data) => _buildListItem(context, data)).toList(),
@@ -102,8 +118,9 @@ Widget _buildList(BuildContext context, List<DocumentSnapshot> snapshot,
 
 Widget _buildListItem(BuildContext context, DocumentSnapshot data) {
   final record = Record.fromSnapshot(data);
-  return
-    Card(
+  return GestureDetector(
+  onTap: (){ _showInfo(record,context);},
+    child: Card(
     key: ValueKey(record.stall),
     color: (record.open ? Colors.green[200] : Colors.red[100]),
     child: Center(
@@ -112,62 +129,48 @@ Widget _buildListItem(BuildContext context, DocumentSnapshot data) {
           ListTile(
             title: Text("Stall " + record.stall.toString(),
                 style: TextStyle(fontWeight: FontWeight.w500)),
-            subtitle: Text(record.open.toString()),
           ),
         ],
       ),
     ),
+    ),
   );
 }
+//SimpleDialogOption
+void _showInfo(Record record, context){
+  print("Record # " + record.stall.toString() + " pressed");
+  String message = '';
+  record.handicap ? message =" is designated for handicap" : message=" is not reserved for handicap";
+  AlertDialog alert = new AlertDialog(
+      content: Text(
+        "Stall # " + record.stall.toString() + message
+      ),
+    );
+  showDialog(context: context, child: alert);
+}
+
 
 
 class LotRecord {
-  final int stall;
-  final int passID;
-  final bool open;
-  final bool handicap;
+  final int lot;
+  final int col;
+  final String name;
   final DocumentReference reference;
 
   LotRecord.fromMap(Map<String, dynamic> map, {this.reference})
-      : assert(map['handicap'] != null),
-        assert(map['stall'] != null),
-        assert(map['passID'] != null),
-        assert(map['open'] != null),
-        stall = map['stall'],
-        passID = map['passID'],
-        open = map['open'],
-        handicap = map['handicap'];
+      : assert(map['lot'] != null),
+        assert(map['col'] != null),
+        assert(map['name'] != null),
+        lot = map['lot'],
+        col = map['col'],
+        name = map['name'];
+
 
   LotRecord.fromSnapshot(DocumentSnapshot snapshot)
       : this.fromMap(snapshot.data, reference: snapshot.reference);
 
   @override
-  String toString() => "Record<$stall>";
-}
-
-
-class lotRecord {
-  final int stall;
-  final int passID;
-  final bool open;
-  final bool handicap;
-  final DocumentReference reference;
-
-  lotRecord.fromMap(Map<String, dynamic> map, {this.reference})
-      : assert(map['handicap'] != null),
-        assert(map['stall'] != null),
-        assert(map['passID'] != null),
-        assert(map['open'] != null),
-        stall = map['stall'],
-        passID = map['passID'],
-        open = map['open'],
-        handicap = map['handicap'];
-
-  lotRecord.fromSnapshot(DocumentSnapshot snapshot)
-      : this.fromMap(snapshot.data, reference: snapshot.reference);
-
-  @override
-  String toString() => "Record<$stall>";
+  String toString() => "Record<$lot>";
 }
 
 

flutter_app/pubspec.yaml

@@ -1,4 +1,4 @@
-name: flutter_app
+name: waitNoMore
 description: A new Flutter application.
 
 # The following defines the version and build number for your application.

flutter_app/test/widget_test.dart

@@ -1,30 +0,0 @@
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility that Flutter provides. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:flutter_app/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}