尝试使用flutter_qr_mobile_vision插件创建简单的QR码扫描仪：
1）pubspec.yaml文件中包含flutter_qr_mobile_vision
2）尝试了其仓库中给出的示例
https://github.com/rmtmckenzie/flutter_qr_mobile_vision/tree/master/example
显示的错误：
~/flutter_projects/qr_scanner$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v1.7.8+hotfix.2, on Linux, locale en_IN)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.0)
[✓] Android Studio (version 3.4)
[✓] VS Code (version 1.35.1)
[✓] Connected device (2 available)
flutter run -d emulator-5554
Using hardware rendering with device Android SDK built for x86. If you get graphics artifacts, consider enabling software rendering with "--enable-software-rendering".
Launching lib/main.dart on Android SDK built for x86 in debug mode...
Initializing gradle... 0.6s
Resolving dependencies... 1.3s
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processDebugResources'.
> Android resource linking failed
Output: error: resource android:style/TextAppearance.Material.Notification not found.
error: resource android:style/TextAppearance.Material.Notification.Info not found.
error: resource android:style/TextAppearance.Material.Notification.Time not found.
error: resource android:style/TextAppearance.Material.Notification.Title not found.
error: failed linking references.
Command: /data/EMBITEL/emb-rajekri/.gradle/caches/transforms-1/files-1.1/aapt2-3.2.1-4818971-linux.jar/3749eb2b0926be7306e5d46cbb5f9afb/aapt2-3.2.1-4818971-linux/aapt2 link -I\
/data/EMBITEL/emb-rajekri/Android/Sdk/platforms/android-16/android.jar\
--manifest\
/data/EMBITEL/emb-rajekri/flutter_projects/qr_scanner/build/app/intermediates/merged_manifests/debug/processDebugManifest/merged/AndroidManifest.xml\
-o\
/data/EMBITEL/emb-rajekri/flutter_projects/qr_scanner/build/app/intermediates/processed_res/debug/processDebugResources/out/resources-debug.ap_\
-R\
@/data/EMBITEL/emb-rajekri/flutter_projects/qr_scanner/build/app/intermediates/incremental/processDebugResources/resources-list-for-resources-debug.ap_.txt\
--auto-add-overlay\
--java\
/data/EMBITEL/emb-rajekri/flutter_projects/qr_scanner/build/app/generated/not_namespaced_r_class_sources/debug/processDebugResources/r\
--custom-package\
com.example.qr_scanner\
-0\
apk\
--output-text-symbols\
/data/EMBITEL/emb-rajekri/flutter_projects/qr_scanner/build/app/intermediates/symbols/debug/R.txt\
--no-version-vectors
Daemon: AAPT2 aapt2-3.2.1-4818971-linux Daemon #0
* 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 7s
Running Gradle task 'assembleDebug'...
Running Gradle task 'assembleDebug'... Done 7.7s
*******************************************************************************************
The Gradle failure may have been because of AndroidX incompatibilities in this Flutter app.
See for more information on the problem and how to fix it.
*******************************************************************************************