Unable to interact with widgets behind snack bars when insetPadding is set in SnackBarThemeData.

[hany-achraf]

Steps to reproduce

1. Copy the code sample provided below and paste into your main.dart file, replacing the existing code.
2. Run the application.
3. Click the Show snack bar button to display a SnackBar widget.
4. While the SnackBar is visible, try the following actions:

• Click the + button to increase the counter value.
• If the text field is not focused, click inside it to focus it. If it's already focused, try selecting or deselecting the text (if any).

Expected results

Being able to interact normally with the widgets behind the snack bar.

Actual results

Unable to interact with the widgets behind the snack bar.

Code sample

Code sample

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(
        snackBarTheme: const SnackBarThemeData().copyWith(
          showCloseIcon: true,
          behavior: SnackBarBehavior.floating,
          insetPadding: EdgeInsets.only(
            bottom: MediaQuery.of(context).size.height * 0.7,
            left: 16,
            right: 16,
          ),
        ),
      ),
      home: const Home(),
    );
  }
}

class Home extends StatefulWidget {
  const Home({super.key});

  @override
  State<Home> createState() => _HomeState();
}

class _HomeState extends State<Home> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              const Text(
                'You have pushed the button this many times:',
              ),
              const SizedBox(width: 8),
              Text(
                '$_counter',
                style: const TextStyle(fontWeight: FontWeight.bold),
              ),
            ],
          ),
          const SizedBox(width: 8),
          ElevatedButton(
            onPressed: _incrementCounter,
            child: const Text('+'),
          ),
          const TextField(
            decoration: InputDecoration(
              hintText: 'Enter text',
            ),
          ),
          ElevatedButton(
            onPressed: () => ScaffoldMessenger.of(context).showSnackBar(
              const SnackBar(
                content: Text('Hello'),
              ),
            ),
            style: ElevatedButton.styleFrom(
              backgroundColor: Colors.blue,
            ),
            child: const Text(
              'Show snack bar',
              style: TextStyle(color: Colors.white),
            ),
          ),
        ],
      ),
    );
  }
}

Screenshots or Video

Screenshots / Video demonstration

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Logs

Logs

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Flutter Doctor output

Doctor output

[✓] Flutter (Channel master, 3.22.0-36.0.pre.43, on macOS 14.3.1 23D60 darwin-arm64, locale en-OM)
    • Flutter version 3.22.0-36.0.pre.43 on channel master at /Users/devpixel/Desktop/flutter
    • Upstream repository https://github.com/hany-achraf/flutter.git
    • FLUTTER_GIT_URL = https://github.com/hany-achraf/flutter.git
    • Framework revision 167e65f97e (31 minutes ago), 2024-05-17 10:49:15 -0700
    • Engine revision 17decdf125
    • Dart version 3.5.0 (build 3.5.0-167.0.dev)
    • DevTools version 2.36.0-dev.10

[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
    • Android SDK at /Users/devpixel/Library/Android/sdk
    • Platform android-34, build-tools 34.0.0
    • Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 17.0.9+0-17.0.9b1087.7-11185874)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 15.2)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Build 15C500b
    • CocoaPods version 1.15.2

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2023.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 17.0.9+0-17.0.9b1087.7-11185874)

[✓] VS Code (version 1.89.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.88.0

[✓] Connected device (4 available)            
    • iPhone 15 Pro Max (mobile)      • 02954C8E-E4EB-4627-AD1D-4979AEE453C5 • ios            •
      com.apple.CoreSimulator.SimRuntime.iOS-17-2 (simulator)
    • macOS (desktop)                 • macos                                • darwin-arm64   • macOS 14.3.1 23D60
      darwin-arm64
    • Mac Designed for iPad (desktop) • mac-designed-for-ipad                • darwin         • macOS 14.3.1 23D60
      darwin-arm64
    • Chrome (web)                    • chrome                               • web-javascript • Google Chrome 125.0.6422.60

[✓] Network resources
    • All expected network resources are available.

• No issues found!

[huycozy]

Thanks for your report and investigation. I can reproduce this as well.

flutter doctor -v (stable and master)

[✓] Flutter (Channel stable, 3.22.0, on macOS 14.1 23B74 darwin-x64, locale en-VN)
    • Flutter version 3.22.0 on channel stable at /Users/huynq/Documents/GitHub/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 5dcb86f68f (11 days ago), 2024-05-09 07:39:20 -0500
    • Engine revision f6344b75dc
    • Dart version 3.4.0
    • DevTools version 2.34.3

[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
    • Android SDK at /Users/huynq/Library/Android/sdk
    • Platform android-34, build-tools 34.0.0
    • ANDROID_HOME = /Users/huynq/Library/Android/sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 17.0.9+0-17.0.9b1087.7-11185874)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 15.3)
    • Xcode at /Applications/Xcode15.3.app/Contents/Developer
    • Build 15E204a
    • CocoaPods version 1.15.2

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2023.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • android-studio-dir = /Applications/Android Studio.app/
    • Java version OpenJDK Runtime Environment (build 17.0.9+0-17.0.9b1087.7-11185874)

[✓] VS Code (version 1.89.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.88.0

[✓] Connected device (2 available)
    • macOS (desktop) • macos  • darwin-x64     • macOS 14.1 23B74 darwin-x64
    • Chrome (web)    • chrome • web-javascript • Google Chrome 124.0.6367.208

[✓] Network resources
    • All expected network resources are available.

• No issues found!

[!] Flutter (Channel master, 3.22.0-36.0.pre.54, on macOS 14.1 23B74 darwin-x64, locale en-VN)
    • Flutter version 3.22.0-36.0.pre.54 on channel master at /Users/huynq/Documents/GitHub/flutter_master
    ! Warning: `flutter` on your path resolves to /Users/huynq/Documents/GitHub/flutter/bin/flutter, which is not inside your current Flutter SDK checkout at /Users/huynq/Documents/GitHub/flutter_master. Consider adding /Users/huynq/Documents/GitHub/flutter_master/bin to the front of your path.
    ! Warning: `dart` on your path resolves to /Users/huynq/Documents/GitHub/flutter/bin/dart, which is not inside your current Flutter SDK checkout at /Users/huynq/Documents/GitHub/flutter_master. Consider adding /Users/huynq/Documents/GitHub/flutter_master/bin to the front of your path.
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 414d923872 (71 minutes ago), 2024-05-19 21:58:34 -0400
    • Engine revision c6fecf65fb
    • Dart version 3.5.0 (build 3.5.0-169.0.dev)
    • DevTools version 2.36.0-dev.10
    • If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and upgrades.

[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
    • Android SDK at /Users/huynq/Library/Android/sdk
    • Platform android-34, build-tools 34.0.0
    • ANDROID_HOME = /Users/huynq/Library/Android/sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 17.0.9+0-17.0.9b1087.7-11185874)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 15.3)
    • Xcode at /Applications/Xcode15.3.app/Contents/Developer
    • Build 15E204a
    • CocoaPods version 1.15.2

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2023.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • android-studio-dir = /Applications/Android Studio.app/
    • Java version OpenJDK Runtime Environment (build 17.0.9+0-17.0.9b1087.7-11185874)

[✓] VS Code (version 1.89.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.88.0

[✓] Connected device (2 available)
    • macOS (desktop) • macos  • darwin-x64     • macOS 14.1 23B74 darwin-x64
    • Chrome (web)    • chrome • web-javascript • Google Chrome 124.0.6367.208

[✓] Network resources
    • All expected network resources are available.

! Doctor found issues in 1 category.