diff --git a/example/lib/main.dart b/example/lib/main.dart
index e4a55a1a..46ced081 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -54,7 +54,7 @@ class BluetoothOffScreen extends StatelessWidget {
               'Bluetooth Adapter is ${state != null ? state.toString().substring(15) : 'not available'}.',
               style: Theme.of(context)
                   .primaryTextTheme
-                  .subhead
+                  .subtitle1
                   ?.copyWith(color: Colors.white),
             ),
           ],
@@ -92,7 +92,7 @@ class FindDevicesScreen extends StatelessWidget {
                               builder: (c, snapshot) {
                                 if (snapshot.data ==
                                     BluetoothDeviceState.connected) {
-                                  return RaisedButton(
+                                  return ElevatedButton(
                                     child: Text('OPEN'),
                                     onPressed: () => Navigator.of(context).push(
                                         MaterialPageRoute(
@@ -227,7 +227,7 @@ class DeviceScreen extends StatelessWidget {
                   text = snapshot.data.toString().substring(21).toUpperCase();
                   break;
               }
-              return FlatButton(
+              return TextButton(
                   onPressed: onPressed,
                   child: Text(
                     text,
diff --git a/example/lib/widgets.dart b/example/lib/widgets.dart
index aefdf262..7d9a1063 100644
--- a/example/lib/widgets.dart
+++ b/example/lib/widgets.dart
@@ -91,10 +91,12 @@ class ScanResultTile extends StatelessWidget {
     return ExpansionTile(
       title: _buildTitle(context),
       leading: Text(result.rssi.toString()),
-      trailing: RaisedButton(
+      trailing: ElevatedButton(
         child: Text('CONNECT'),
-        color: Colors.black,
-        textColor: Colors.white,
+        style: ButtonStyle(
+          backgroundColor: MaterialStateProperty.all<Color>(Colors.black),
+          foregroundColor: MaterialStateProperty.all<Color>(Colors.white)
+        ),
         onPressed: (result.advertisementData.connectable) ? onTap : null,
       ),
       children: <Widget>[
@@ -135,7 +137,7 @@ class ServiceTile extends StatelessWidget {
           children: <Widget>[
             Text('Service'),
             Text('0x${service.uuid.toString().toUpperCase().substring(4, 8)}',
-                style: Theme.of(context).textTheme.body1?.copyWith(
+                style: Theme.of(context).textTheme.bodyText1?.copyWith(
                     color: Theme.of(context).textTheme.caption?.color))
           ],
         ),
@@ -183,7 +185,7 @@ class CharacteristicTile extends StatelessWidget {
                 Text('Characteristic'),
                 Text(
                     '0x${characteristic.uuid.toString().toUpperCase().substring(4, 8)}',
-                    style: Theme.of(context).textTheme.body1?.copyWith(
+                    style: Theme.of(context).textTheme.bodyText1?.copyWith(
                         color: Theme.of(context).textTheme.caption?.color))
               ],
             ),
@@ -245,7 +247,7 @@ class DescriptorTile extends StatelessWidget {
           Text('0x${descriptor.uuid.toString().toUpperCase().substring(4, 8)}',
               style: Theme.of(context)
                   .textTheme
-                  .body1
+                  .bodyText1
                   ?.copyWith(color: Theme.of(context).textTheme.caption?.color))
         ],
       ),
@@ -289,11 +291,11 @@ class AdapterStateTile extends StatelessWidget {
       child: ListTile(
         title: Text(
           'Bluetooth adapter is ${state.toString().substring(15)}',
-          style: Theme.of(context).primaryTextTheme.subhead,
+          style: Theme.of(context).primaryTextTheme.subtitle1,
         ),
         trailing: Icon(
           Icons.error,
-          color: Theme.of(context).primaryTextTheme.subhead?.color,
+          color: Theme.of(context).primaryTextTheme.subtitle1?.color,
         ),
       ),
     );