handle listitem selection

1 files changed, 15 insertions, 6 deletions

diff --git a/lib/main.dart b/lib/main.dart
index 86c82eb..fb4eaff 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -62,11 +62,13 @@ class MyHomePage extends StatefulWidget {
 class _MyHomePageState extends State<MyHomePage> {
   final List<ScanResult> scanResults = [];
   bool isScanning = false;
+  int selectedResult = -1;
 
   void _doScan() async {
     setState(() {
       scanResults.clear();
       isScanning = true;
+      selectedResult = -1;
     });
     var subscription = FlutterBluePlus.onScanResults.listen(
       onScanResult,
@@ -171,15 +173,22 @@ class _MyHomePageState extends State<MyHomePage> {
                 //itemCount: scanResults.length,
                 itemBuilder: (context, index) {
                   if (index >= scanResults.length) return null;
-
-                  final result = scanResults[index];
-                  final name = result.device.advName.isEmpty
-                      ? Text("<Unknown>")
-                      : Text(result.device.advName);
+                  final ScanResult result = scanResults[index];
+                  final String name = result.device.advName.isEmpty
+                      ? ("<Unknown>")
+                      : (result.device.advName);
                   return ListTile(
-                    title: name,
+                    title: Text(name),
                     subtitle: Text(result.device.remoteId.str),
                     trailing: Text('RSSI: ${result.rssi}'),
+                    selectedTileColor: Colors.amber,
+                    selectedColor: Colors.black,
+                    onTap: () {
+                      setState(() {
+                        selectedResult = index;
+                      });
+                    },
+                    selected: selectedResult == index,
                   );
                 },
                 separatorBuilder: (BuildContext context, int index) {