ValueNotifier, remove manual back button

1 files changed, 9 insertions, 20 deletions

diff --git a/lib/widgets/device_details.dart b/lib/widgets/device_details.dart
index e481303..0081d3c 100644
--- a/lib/widgets/device_details.dart
+++ b/lib/widgets/device_details.dart
@@ -13,6 +13,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+import 'dart:io';
 import 'dart:ui';
 
 import 'package:uvok_epaper_badge/model/device/device.dart';
@@ -39,7 +40,6 @@ class DeviceDetailsScreen extends StatefulWidget {
 }
 
 class DeviceDetailsState extends State<DeviceDetailsScreen> {
-  String connectStatus = "<Status>";
   late final AppLifecycleListener appLL;
 
   /// Whether the back button should be active.
@@ -63,15 +63,14 @@ class DeviceDetailsState extends State<DeviceDetailsScreen> {
         title: Text("Device details"),
       ),
       body: Center(
-        child: Column(
-          spacing: 20,
-          children: [
-            Text(connectStatus),
-            ElevatedButton(
-              onPressed: backActive ? backClick : null,
-              child: Text("Back"),
-            ),
-          ],
+        child: ValueListenableBuilder(
+          valueListenable: widget.deviceConnection.status,
+          builder: (connCtx, ConnectionStatus value, child) {
+            return Column(
+              spacing: 20,
+              children: [Text("Connection state: ${value.toString()}")],
+            );
+          },
         ),
       ),
     );
@@ -83,10 +82,6 @@ class DeviceDetailsState extends State<DeviceDetailsScreen> {
     _doConnect();
   }
 
-  void backClick() {
-    Navigator.pop(context);
-  }
-
   @override
   void deactivate() {
     logger.i("(widget deactivate)");
@@ -102,20 +97,14 @@ class DeviceDetailsState extends State<DeviceDetailsScreen> {
   }
 
   void _doConnect() async {
-    final dev = widget.device;
-
     try {
       logger.i("Try to connect...");
       await widget.deviceConnection.connect();
     } catch (e) {
       logger.e(e);
       await widget.deviceConnection.disconnect();
-      connectStatus = e.toString();
     } finally {
       backActive = true;
-      if (mounted) {
-        setState(() {});
-      }
     }
   }
 }