[image_picker] warnings of the example code

[asashour]

On using the code of the example, there are some warnings about suggested flutter lints.

A PR is raised.

flutter doctor -v

[√] Flutter (Channel master, 2.13.0-0.0.pre.761, on Microsoft Windows [Version 10.0.19042.1645], locale en-US)
    • Flutter version 2.13.0-0.0.pre.761 at C:\use\flutter
    • Upstream repository https://github.com/asashour/flutter.git
    • Framework revision 0b80f08cf0 (28 hours ago), 2022-04-27 01:39:07 -0400
    • Engine revision fcc1594775
    • Dart version 2.18.0 (build 2.18.0-61.0.dev)
    • DevTools version 2.12.2

[√] Android toolchain - develop for Android devices (Android SDK version 32.0.0)
    • Android SDK at C:\Users\ahmed_ashour\AppData\Local\Android\Sdk
    • Platform android-32, build-tools 32.0.0
    • ANDROID_SDK_ROOT = C:\Users\ahmed_ashour\AppData\Local\Android\Sdk
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 11.0.11+9-b60-7590822)
    • All Android licenses accepted.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[√] Visual Studio - develop for Windows (Visual Studio Community 2022 17.1.5)
    • Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
    • Visual Studio Community 2022 version 17.1.32414.318
    • Windows 10 SDK version 10.0.20348.0

[√] Android Studio (version 2021.1)
    • Android Studio at C:\Program Files\Android\Android Studio
    • 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+9-b60-7590822)

[√] IntelliJ IDEA Community Edition (version 2022.1)
    • IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2021.2.1
    • Flutter plugin version 66.0.4
    • Dart plugin version 221.5588

[√] IntelliJ IDEA Ultimate Edition (version 2022.1)
    • IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA 221.5080.93
    • Flutter plugin can be installed from:
       https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin version 221.5480

[√] VS Code (version 1.66.2)
    • VS Code at C:\Users\ahmed_ashour\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.38.1

[√] Connected device (4 available)
    • Android SDK built for x86 (mobile) • emulator-5556 • android-x86    • Android 11 (API 30) (emulator)
    • Windows (desktop)                  • windows       • windows-x64    • Microsoft Windows [Version 10.0.19042.1645]
    • Chrome (web)                       • chrome        • web-javascript • Google Chrome 100.0.4896.127
    • Edge (web)                         • edge          • web-javascript • Microsoft Edge 100.0.1185.50

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

• No issues found!

[danagbemava-nc]

Reproducible on stable and master.

It looks like master has a few more lints turned on.

logs

master_analyze.txt
stable_analyze.txt

flutter doctor -v

[✓] Flutter (Channel stable, 2.10.5, on macOS 12.3.1 21E258 darwin-arm, locale en-GB)
    • Flutter version 2.10.5 at /Users/nexus/dev/sdks/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 5464c5bac7 (10 days ago), 2022-04-18 09:55:37 -0700
    • Engine revision 57d3bac3dd
    • Dart version 2.16.2
    • DevTools version 2.9.2

[✓] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
    • Android SDK at /Users/nexus/Library/Android/sdk
    • Platform android-32, build-tools 31.0.0
    • 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 13.3.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • CocoaPods version 1.11.2

[✓] 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 Community Edition (the doctor check crashed)
    ✗ Due to an error, the doctor check did not complete. If the error message below is not helpful, please let us know about this issue at https://github.com/flutter/flutter/issues.
    ✗ FormatException: Unexpected extension byte (at offset 5)
    • #0      _Utf8Decoder.convertSingle (dart:convert-patch/convert_patch.dart:1789:7)
      #1      Utf8Decoder.convert (dart:convert/utf.dart:351:42)
      #2      InputStream.readString (package:archive/src/util/input_stream.dart:207:30)
      #3      new ZipDirectory.read (package:archive/src/zip/zip_directory.dart:40:30)
      #4      ZipDecoder.decodeBuffer (package:archive/src/zip_decoder.dart:19:30)
      #5      ZipDecoder.decodeBytes (package:archive/src/zip_decoder.dart:14:12)
      #6      IntelliJPlugins._findPluginXml (package:flutter_tools/src/intellij/intellij.dart:130:44)
      #7      IntelliJPlugins._readPackageVersion (package:flutter_tools/src/intellij/intellij.dart:141:40)
      #8      IntelliJPlugins.validatePackage (package:flutter_tools/src/intellij/intellij.dart:63:35)
      #9      IntelliJValidator.validate (package:flutter_tools/src/intellij/intellij_validator.dart:103:15)
      #10     asyncGuard.<anonymous closure> (package:flutter_tools/src/base/async_guard.dart:111:32)
      #11     asyncGuard.<anonymous closure> (package:flutter_tools/src/base/async_guard.dart:109:18)
      #12     _rootRun (dart:async/zone.dart:1426:13)
      #13     _CustomZone.run (dart:async/zone.dart:1328:19)
      #14     _runZoned (dart:async/zone.dart:1861:10)
      #15     runZonedGuarded (dart:async/zone.dart:1849:12)
      #16     runZoned (dart:async/zone.dart:1780:12)
      #17     asyncGuard (package:flutter_tools/src/base/async_guard.dart:109:3)
      #18     Doctor.startValidatorTasks (package:flutter_tools/src/doctor.dart:205:9)
      #19     Doctor.diagnose (package:flutter_tools/src/doctor.dart:309:47)
      #20     DoctorCommand.runCommand (package:flutter_tools/src/commands/doctor.dart:50:48)
      #21     FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:1320:12)
      <asynchronous suspension>
      #22     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1161:27)
      <asynchronous suspension>
      #23     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
      <asynchronous suspension>
      #24     CommandRunner.runCommand (package:args/command_runner.dart:209:13)
      <asynchronous suspension>
      #25     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:281:9)
      <asynchronous suspension>
      #26     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
      <asynchronous suspension>
      #27     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:229:5)
      <asynchronous suspension>
      #28     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
      <asynchronous suspension>
      #29     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
      <asynchronous suspension>
      #30     main (package:flutter_tools/executable.dart:94:3)
      <asynchronous suspension>


[✓] VS Code (version 1.66.2)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.38.1

[✓] Connected device (3 available)
    • M2007J20CG (mobile) • 5dd3be00 • android-arm64  • Android 11 (API 30)
    • macOS (desktop)     • macos    • darwin-arm64   • macOS 12.3.1 21E258 darwin-arm
    • Chrome (web)        • chrome   • web-javascript • Google Chrome 100.0.4896.127

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

! Doctor found issues in 1 category.

[✓] Flutter (Channel master, 2.13.0-0.0.pre.792, on macOS 12.3.1 21E258 darwin-arm, locale en-GB)
    • Flutter version 2.13.0-0.0.pre.792 at /Users/nexus/dev/sdks/flutters
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision e42b9dd516 (4 hours ago), 2022-04-28 01:39:05 -0400
    • Engine revision ba644fafb2
    • Dart version 2.18.0 (build 2.18.0-65.0.dev)
    • DevTools version 2.12.2

[✓] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
    • Android SDK at /Users/nexus/Library/Android/sdk
    • Platform android-32, build-tools 31.0.0
    • 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 13.3.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • CocoaPods version 1.11.2

[✓] 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 Community Edition (version 2021.3)
    • IntelliJ at /Applications/IntelliJ IDEA CE.app
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin version 213.5744.122

[✓] VS Code (version 1.66.2)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.38.1

[✓] Connected device (3 available)
    • M2007J20CG (mobile) • 5dd3be00 • android-arm64  • Android 11 (API 30)
    • macOS (desktop)     • macos    • darwin-arm64   • macOS 12.3.1 21E258 darwin-arm
    • Chrome (web)        • chrome   • web-javascript • Google Chrome 100.0.4896.127

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

• No issues found!

[github-actions]

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.