added the libary

loc_chain_app/lib/pages/bluetooth.dart

@@ -0,0 +1,28 @@
+import 'dart:io';
+import 'dart:math';
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:nearby_connections/nearby_connections.dart';
+
+class BluetoothPage extends StatefulWidget {
+  BluetoothPage({Key key, this.title}) : super(key: key);
+  final String title;
+
+  @override
+  _BluetoothPageState createState() => _BluetoothPageState();
+}
+
+class _BluetoothPageState extends State<BluetoothPage> {
+  final String userName = Random().nextInt(10000).toString();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: Center(),
+    );
+  }
+}

loc_chain_app/lib/pages/settings.dart

@@ -0,0 +1,106 @@
+import 'package:flutter/material.dart';
+import 'package:nearby_connections/nearby_connections.dart';
+
+class SettingsPage extends StatefulWidget {
+  SettingsPage({Key key, this.title}) : super(key: key);
+  final String title;
+
+  @override
+  _SettingsPageState createState() => _SettingsPageState();
+}
+
+class _SettingsPageState extends State<SettingsPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: Center(
+        child: ListView(children: <Widget>[
+          Text(
+            "Permissions",
+          ),
+          Wrap(
+            children: <Widget>[
+              ElevatedButton(
+                child: Text("checkLocationPermission"),
+                onPressed: () async {
+                  if (await Nearby().checkLocationPermission()) {
+                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                        content: Text("Location permissions granted :)")));
+                  } else {
+                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                        content: Text("Location permissions not granted :(")));
+                  }
+                },
+              ),
+              ElevatedButton(
+                child: Text("askLocationPermission"),
+                onPressed: () async {
+                  if (await Nearby().askLocationPermission()) {
+                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                        content: Text("Location Permission granted :)")));
+                  } else {
+                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                        content: Text("Location permissions not granted :(")));
+                  }
+                },
+              ),
+              ElevatedButton(
+                child: Text("checkExternalStoragePermission"),
+                onPressed: () async {
+                  if (await Nearby().checkExternalStoragePermission()) {
+                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                        content:
+                            Text("External Storage permissions granted :)")));
+                  } else {
+                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                        content: Text(
+                            "External Storage permissions not granted :(")));
+                  }
+                },
+              ),
+              ElevatedButton(
+                child: Text("askExternalStoragePermission"),
+                onPressed: () {
+                  Nearby().askExternalStoragePermission();
+                },
+              ),
+            ],
+          ),
+          Divider(),
+          Text("Location Enabled"),
+          Wrap(
+            children: <Widget>[
+              ElevatedButton(
+                child: Text("checkLocationEnabled"),
+                onPressed: () async {
+                  if (await Nearby().checkLocationEnabled()) {
+                    ScaffoldMessenger.of(context).showSnackBar(
+                        SnackBar(content: Text("Location is ON :)")));
+                  } else {
+                    ScaffoldMessenger.of(context).showSnackBar(
+                        SnackBar(content: Text("Location is OFF :(")));
+                  }
+                },
+              ),
+              ElevatedButton(
+                child: Text("enableLocationServices"),
+                onPressed: () async {
+                  if (await Nearby().enableLocationServices()) {
+                    ScaffoldMessenger.of(context).showSnackBar(
+                        SnackBar(content: Text("Location Service Enabled :)")));
+                  } else {
+                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+                        content: Text("Enabling Location Service Failed :(")));
+                  }
+                },
+              ),
+            ],
+          ),
+        ]),
+      ),
+    );
+  }
+}