[camera_android_camerax] Wrong ImageFormatGroup for nv21 causes ML Kit incompatibility #174923
Description
Steps to reproduce
_controller = CameraController(
camera,
ResolutionPreset.high,
enableAudio: false,
imageFormatGroup: Platform.isAndroid ? ImageFormatGroup.nv21 : ImageFormatGroup.bgra8888,
);
// Prints "ImageFormatGroup: ImageFormatGroup.yuv420"
_controller!.startImageStream(
(image) => print('ImageFormatGroup: ${image.format.group}'),
);Expected results
"ImageFormatGroup: ImageFormatGroup.nv21"
Actual results
"ImageFormatGroup: ImageFormatGroup.yuv420"
Code sample
Code sample
[Paste your code here]Screenshots or Video
Screenshots / Video demonstration
[Upload media here]
Logs
Logs
[Paste your logs here]Flutter Doctor output
Doctor output
[√] Flutter (Channel stable, 3.35.2, on Microsoft Windows [Version 10.0.26100.4946], locale en-CH) [168ms]
• Flutter version 3.35.2 on channel stable at C:\Tools\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 05db968908 (10 days ago), 2025-08-25 10:21:35 -0700
• Engine revision a8bfdfc394
• Dart version 3.9.0
• DevTools version 2.48.0
• Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android,
enable-ios, cli-animations, enable-lldb-debugging
[√] Windows Version (11 Home 64-bit, 24H2, 2009) [471ms]
[√] Android toolchain - develop for Android devices (Android SDK version 36.1.0-rc1) [1,392ms]
• Android SDK at C:\Users\Micha\AppData\Local\Android\sdk
• Emulator version 36.1.9.0 (build_id 13823996) (CL:N/A)
• Platform android-36-ext19, build-tools 36.1.0-rc1
• Java binary at: C:\Program Files\Android\Android Studio\jbr\bin\java
This is the JDK bundled with the latest Android Studio installation on this machine.
To manually set the JDK path, use: `flutter config --jdk-dir="path/to/jdk"`.
• Java version OpenJDK Runtime Environment (build 17.0.10+0--11572160)
• All Android licenses accepted.
[√] Chrome - develop for the web [49ms]
• Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe
[√] Visual Studio - develop Windows apps (Visual Studio Community 2022 17.9.2) [48ms]
• Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
• Visual Studio Community 2022 version 17.9.34622.214
• Windows 10 SDK version 10.0.19041.0
[√] Android Studio (version 2023.3) [6ms]
• 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 17.0.10+0--11572160)
[√] VS Code (version 1.103.2) [5ms]
• VS Code at C:\Users\Micha\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.118.0
[√] Connected device (3 available) [107ms]
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.26100.4946]
• Chrome (web) • chrome • web-javascript • Google Chrome 140.0.7339.80
• Edge (web) • edge • web-javascript • Microsoft Edge 139.0.3405.125
[√] Network resources [345ms]
• All expected network resources are available.
• No issues found!Metadata
Metadata
Assignees
Labels
High-priority issues at the top of the work listFound to occur in 3.35Found to occur in 3.36The issue has been confirmed reproducible and is ready to work onThe camera pluginflutter/packages repository. See also p: labels.Android applications specificallyOwned by Android platform teamTriaged by Android platform team