add snackbar notice if new pair is connected or an update is available

lib/Frontend/Widgets/back_button_to_close.dart

@@ -48,8 +48,8 @@ class _BackButtonToCloseState extends ConsumerState<BackButtonToClose> {
           behavior: SnackBarBehavior.floating,
           backgroundColor: Colors.transparent,
           content: AwesomeSnackbarContent(
-            title: doubleBackToCloseTitle(),
-            message: doubleBackToClose(),
+            title: doubleBackToClose(),
+            message: '',
 
             /// change contentType to ContentType.success, ContentType.warning or ContentType.help for variants
             contentType: ContentType.help,

lib/Frontend/Widgets/snack_bar_overlay.dart

@@ -1,8 +1,15 @@
 import 'dart:async';
 
+import 'package:awesome_snackbar_content/awesome_snackbar_content.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import 'package:multi_value_listenable_builder/multi_value_listenable_builder.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:tail_app/Backend/Bluetooth/bluetooth_manager.dart';
+import 'package:tail_app/Backend/Definitions/Device/device_definition.dart';
+
+import '../translation_string_definitions.dart';
 
 part 'snack_bar_overlay.g.dart';
 
@@ -24,6 +31,33 @@ class SnackBarOverlay extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     AsyncValue<SnackBar> value = ref.watch(snackbarStreamProvider);
+    Map<String, BaseStatefulDevice> knownDevices = ref.watch(knownDevicesProvider);
+    ref.listen(
+      knownDevicesProvider,
+      (previous, next) {
+        if (previous != null && previous.length < next.length) {
+          Future(
+            () => ScaffoldMessenger.of(context)
+              ..clearSnackBars()
+              ..showSnackBar(
+                SnackBar(
+                  /// need to set following properties for best effect of awesome_snackbar_content
+                  elevation: 0,
+                  behavior: SnackBarBehavior.floating,
+                  backgroundColor: Colors.transparent,
+                  content: AwesomeSnackbarContent(
+                    title: newGearConnectedSnackbarTitle(),
+                    message: newGearConnectedSnackbarLabel(),
+
+                    /// change contentType to ContentType.success, ContentType.warning or ContentType.help for variants
+                    contentType: ContentType.success,
+                  ),
+                ),
+              ),
+          );
+        }
+      },
+    );
     if (value.hasValue) {
       Future(
         () {
@@ -35,6 +69,53 @@ class SnackBarOverlay extends ConsumerWidget {
         },
       );
     }
-    return child;
+    if (knownDevices.isEmpty) {
+      return child;
+    }
+    return MultiValueListenableBuilder(
+      valueListenables: knownDevices.values
+          .map(
+            (e) => e.hasUpdate,
+          )
+          .toList(),
+      builder: (context, values, child) {
+        if (values.any((element) => element == true)) {
+          BaseStatefulDevice? baseStatefulDevice = knownDevices.values
+              .where(
+                (element) => element.hasUpdate.value,
+              )
+              .firstOrNull;
+          if (baseStatefulDevice == null) {
+            return child!;
+          }
+          Future(
+            () => ScaffoldMessenger.of(context)
+              ..clearSnackBars()
+              ..showSnackBar(
+                SnackBar(
+                  /// need to set following properties for best effect of awesome_snackbar_content
+                  elevation: 0,
+                  behavior: SnackBarBehavior.floating,
+                  backgroundColor: Colors.transparent,
+                  duration: const Duration(seconds: 30),
+                  content: AwesomeSnackbarContent(
+                    title: otaAvailableSnackbarTitle(),
+                    message: otaAvailableSnackbarLabel(),
+                    onPressed: () {
+                      ScaffoldMessenger.of(context).clearSnackBars();
+                      return context.push("/ota", extra: baseStatefulDevice.baseStoredDevice.btMACAddress);
+                    },
+
+                    /// change contentType to ContentType.success, ContentType.warning or ContentType.help for variants
+                    contentType: ContentType.warning,
+                  ),
+                ),
+              ),
+          );
+        }
+        return child!;
+      },
+      child: child,
+    );
   }
 }

lib/Frontend/translation_string_definitions.dart

@@ -305,8 +305,6 @@ String onboardingCompletedTitle() => Intl.message("Happy Wagging!", name: 'onboa
 
 String doubleBackToClose() => Intl.message("Press again to exit", name: 'doubleBackToClose', desc: 'Snackbar message which appears when the back button is pressed at the main screen');
 
-String doubleBackToCloseTitle() => Intl.message("Gear is still connected", name: 'doubleBackToCloseTitle', desc: 'Snackbar message which appears when the back button is pressed at the main screen');
-
 String noLongerSupported() => Intl.message("This gear is no longer supported. Some app features may not work", name: 'noLongerSupported', desc: 'Warning message which appears for unsupported gear on the manage gear page');
 
 String mandatoryOtaRequired() => Intl.message("A firmware update is required for this app to support your gear", name: 'mandatoryOtaRequired', desc: 'Warning message which appears for gear which have old firmware on the manage gear page');
@@ -344,3 +342,11 @@ String triggerActionSelectorTutorialLabel() => Intl.message("Select as many acti
 String featureLimitedOtaRequiredLabel() => Intl.message("Please update your gear to use this feature.", name: 'featureLimitedOtaRequiredLabel', desc: 'Label for the warning card when a feature requires a firmware update');
 
 String joystickWarning() => Intl.message("The Joystick feature is experimental. Use at your own risk.", name: 'joystickWarning', desc: 'Label for the warning tutorial card on the joystick page');
+
+String otaAvailableSnackbarLabel() => Intl.message("Please update your gear", name: 'otaAvailableSnackbarLabel', desc: 'Label for the snackbar that appears when gear has an update');
+
+String otaAvailableSnackbarTitle() => Intl.message("Update Available", name: 'otaAvailableSnackbarTitle', desc: 'Label for the snackbar that appears when gear has an update');
+
+String newGearConnectedSnackbarTitle() => Intl.message("Gear Connected", name: 'newGearConnectedSnackbarTitle', desc: 'Label for the snackbar that appears when new gear is paired and connected');
+
+String newGearConnectedSnackbarLabel() => Intl.message("Happy Wagging", name: 'newGearConnectedSnackbarLabel', desc: 'Label for the snackbar that appears when new gear is paired and connected');

pubspec.lock

@@ -113,10 +113,11 @@ packages:
   awesome_snackbar_content:
     dependency: "direct main"
     description:
-      name: awesome_snackbar_content
-      sha256: a94407ad596ac4b2f925b032c11f390cd3b3e640a9799f4983b86be0bc17f62b
-      url: "https://pub.dev"
-    source: hosted
+      path: "."
+      ref: HEAD
+      resolved-ref: fc96d57f02952d5fbb3b809cdecbf40794df407b
+      url: "https://github.com/tbro2020/awesome_snackbar_content"
+    source: git
     version: "0.1.3"
   back_button_interceptor:
     dependency: "direct main"
@@ -500,10 +501,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: "29c90806ac5f5fb896547720b73b17ee9aed9bba540dc5d91fe29f8c5745b10a"
+      sha256: a7eed9716c82453da5c09d3a82d4644e7070dd2da81bfe5b6c6873ae4f07cf4f
       url: "https://pub.dev"
     source: hosted
-    version: "8.0.3"
+    version: "8.0.4"
   firebase_testlab_detector:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -83,8 +83,10 @@ dependencies:
       url: https://github.com/davigmacode/flutter_choice
   feedback: ^3.1.0
   accessibility_tools: ^2.1.0
-  awesome_snackbar_content: ^0.1.3
-
+  awesome_snackbar_content:
+    git:
+      url: https://github.com/tbro2020/awesome_snackbar_content
+
   # Dio HTTP
   dio: ^5.4.3+1
   native_dio_adapter: ^1.3.0