Add fullscreen screen activator when screen is turned off

lib/src/proxmox_lister/proxmox_lister_list_view.dart

@@ -5,7 +5,6 @@ import 'package:pi_dashboard/src/proxmox_webservice/model.dart';
 import 'package:pi_dashboard/src/proxmox_webservice/service.dart';
 import 'package:pi_dashboard/src/screen_helper.dart';
 import 'package:pi_dashboard/src/settings/settings_controller.dart';
-import 'package:pi_dashboard/src/settings/settings_service.dart';
 import '../settings/settings_view.dart';
 import 'vm_card.dart';
 
@@ -69,8 +68,20 @@ class _ProxmoxListerState extends State<ProxmoxListerView> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    // infinite touch container to turn screen back on
-        appBar: AppBar(
+    return Stack(
+      children: [
+        Scaffold(
+          appBar: appbar(context),
+          body: bodyBuilder(context),
+        ),
+        screenActivator(),
+      ],
+    );
+  }
+
+  PreferredSizeWidget? appbar(BuildContext context) {
+    return AppBar(
       title: const Text("Proxmox VMs"),
       actions: [
         IconButton(
@@ -92,8 +103,11 @@ class _ProxmoxListerState extends State<ProxmoxListerView> {
           },
         ),
       ],
-        ),
+    );
-        body: FutureBuilder<ProxmoxNodeMap>(
+  }
+
+  Widget bodyBuilder(BuildContext context) {
+    return FutureBuilder<ProxmoxNodeMap>(
       future: nodes,
       builder: (ctx, snapshot) {
         if (snapshot.hasData) {
@@ -122,7 +136,6 @@ class _ProxmoxListerState extends State<ProxmoxListerView> {
           return const Center(child: CircularProgressIndicator());
         }
       },
-        ));
+    );
   }
-  
 }

lib/src/screen_helper.dart

@@ -1,34 +1,50 @@
 import 'dart:io';
+import 'package:flutter/material.dart';
 
 const _off = "1";
 const _on = "0";
 
+bool _screenStatus = true;
+
 Future<void> toggleScreen() async {
-  if (await isScreenOff()) {
+  if (_screenStatus) {
-    turnOncreen();
-  } else {
     turnOffScreen();
+  } else {
+    turnOncreen();
   }
 }
 
 Future<void> turnOffScreen() async {
   await setBlFile(_off);
+  _screenStatus = false;
 }
 
 Future<void> turnOncreen() async {
   await setBlFile(_on);
+  _screenStatus = true;
 }
 
 File blFile() {
   return File("/sys/class/backlight/10-0045/bl_power");
 }
 
-Future<bool> isScreenOff() async {
-  final status = await blFile().readAsString();
-  if (status.startsWith(_on)) return false;
-  return true;
-}
-
 Future<void> setBlFile(String content) async {
   await blFile().writeAsString(content);
 }
+
+Widget screenActivator() {
+  // only show when screen is dark
+  return Visibility(
+    visible: !_screenStatus,
+    child: SizedBox(
+      height: double.infinity,
+      width: double.infinity,
+      child: Material(
+        color: Colors.black,
+        child: InkWell(onTap: () async {
+          await turnOncreen();
+        }),
+      ),
+    ),
+  );
+}