[BUG]

[nicop2000]

Describe the bug The app is not starting because something in the library seems to be off

Flutter information [✓] Flutter (Channel stable, 3.0.1, on macOS 12.3.1 21E258 darwin-arm, locale en-DE) • Flutter version 3.0.1 at /Users/nicopetersen/Developer/flutter • Upstream repository https://github.com/flutter/flutter.git • Framework revision fb57da5f94 (11 days ago), 2022-05-19 15:50:29 -0700 • Engine revision caaafc5604 • Dart version 2.17.1 • DevTools version 2.12.2

[✓] Android toolchain - develop for Android devices (Android SDK version 32.1.0-rc1) • Android SDK at /Users/nicopetersen/Library/Android/sdk • Platform android-32, build-tools 32.1.0-rc1 • Java binary at: /Applications/Android Studio.app/Contents/jre/Contents/Home/bin/java • Java version OpenJDK Runtime Environment (build 11.0.11+0-b60-7772763) • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 13.3) • Xcode at /Applications/Xcode.app/Contents/Developer • CocoaPods version 1.11.3

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

[✓] Android Studio (version 2021.1) • 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 11.0.11+0-b60-7772763)

[✓] IntelliJ IDEA Ultimate Edition (version 2021.3.2) • IntelliJ at /Applications/IntelliJ IDEA.app • Flutter plugin version 65.2.4 • Dart plugin version 213.7306

[✓] VS Code (version 1.65.2) • VS Code at /Users/nicopetersen/Downloads/Visual Studio Code.app/Contents • Flutter extension can be installed from: 🔨 https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[✓] Connected device (3 available) • sdk gphone64 arm64 (mobile) • emulator-5554 • android-arm64 • Android 12 (API 32) (emulator) • macOS (desktop) • macos • darwin-arm64 • macOS 12.3.1 21E258 darwin-arm • Chrome (web) • chrome • web-javascript • Google Chrome 101.0.4951.64

[✓] HTTP Host Availability • All required HTTP hosts are available

• No issues found!

Device (please complete the following information): Android Emulator Pixel 3a API 32

Screenshots If applicable, add screenshots to help explain your problem.

Additional context Message when starting the app: `../../../flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/lib/src/qr_code_scanner.dart:68:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.

• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('../../../flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.addObserver(_observer); ^ ../../../flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/lib/src/qr_code_scanner.dart:86:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
• 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('../../../flutter/packages/flutter/lib/src/widgets/binding.dart'). WidgetsBinding.instance!.removeObserver(_observer); ^ e: /Users/nicopetersen/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt: (23, 1): Class 'QRView' is not abstract and does not implement abstract member public abstract fun onRequestPermissionsResult(p0: Int, p1: Array<(out) String!>, p2: IntArray): Boolean defined in io.flutter.plugin.common.PluginRegistry.RequestPermissionsResultListener e: /Users/nicopetersen/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt: (216, 26): Null can not be a value of a non-null type String e: /Users/nicopetersen/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt: (247, 26): Null can not be a value of a non-null type String e: /Users/nicopetersen/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRView.kt: (310, 5): 'onRequestPermissionsResult' overrides nothing e: /Users/nicopetersen/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRViewFactory.kt: (10, 1): Class 'QRViewFactory' is not abstract and does not implement abstract base class member public abstract fun create(p0: Context?, p1: Int, p2: Any?): PlatformView defined in io.flutter.plugin.platform.PlatformViewFactory e: /Users/nicopetersen/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/qr_code_scanner-0.7.0/android/src/main/kotlin/net/touchcapture/qr/flutterqr/QRViewFactory.kt: (13, 5): 'create' overrides nothing

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':qr_code_scanner:compileDebugKotlin'.

  Compilation error. See log for more details

• Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 23s Exception: Gradle task assembleDebug failed with exit code 1`

[juliansteenbakker]

Can you please test with the latest version 1.0.0

[nicop2000]

Yes that works, sorry :) But somehow flutter pub upgrade didn't set to to the new version