近日，在flutter中愉快的学习着。
正吃着火锅唱着歌，莫名其妙给我来了一棒子。
报出下面一串东西。
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:mergeDebugResources'.
> java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.v2.Aapt2Exception: Android resource compilation failed
Output: /Users/wyx/androidWork/FlutterWork/project/flutter_zhixiaoren/build/app/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml:133: error: :ui.item>.
Command: /Users/wyx/.gradle/caches/transforms-1/files-1.1/aapt2-3.2.1-4818971-osx.jar/8fa941b4267230a7b23a1d3a04a9a52c/aapt2-3.2.1-4818971-osx/aapt2 compile --legacy \
-o \
/Users/wyx/androidWork/FlutterWork/project/flutter_zhixiaoren/build/app/intermediates/res/merged/debug \
/Users/wyx/androidWork/FlutterWork/project/flutter_zhixiaoren/build/app/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml
Daemon: AAPT2 aapt2-3.2.1-4818971-osx Daemon #0
Output: /Users/wyx/.gradle/caches/transforms-1/files-1.1/core-1.0.0.aar/100c4b1e1e443892ea51f58be667e3d8/res/values/values.xml: AAPT: error: :ui.item>.
Command: /Users/wyx/.gradle/caches/transforms-1/files-1.1/aapt2-3.2.1-4818971-osx.jar/8fa941b4267230a7b23a1d3a04a9a52c/aapt2-3.2.1-4818971-osx/aapt2 compile --legacy \
-o \
/Users/wyx/androidWork/FlutterWork/project/flutter_zhixiaoren/build/app/intermediates/res/merged/debug \
/Users/wyx/androidWork/FlutterWork/project/flutter_zhixiaoren/build/app/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml
Daemon: AAPT2 aapt2-3.2.1-4818971-osx 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 3s
*******************************************************************************************
The Gradle failure may have been because of AndroidX incompatibilities in this Flutter app.
See https://goo.gl/CP92wY for more information on the problem and how to fix it.
*******************************************************************************************
Finished with error: Gradle task assembleDebug failed with exit code 1
起初星号的括号，我以为还是错误的重要信息在这里，莫名的androidX经过百度，说是要确认targe api 28,还有其它设置要正确。但是，我的工程创建是勾选了兼容androidx的，所以应该已经配置androidx完善的了。因此，在从头看：
那么重点就在第一句Android resource compilation failed，然后指向第二句values.xml:133: error: :ui.item。这就很好解了
直接找到android目录下的values资源包，调整<ui.item>为<item>.也是莫民奇妙多了个ui，可能是因为我包命名？先是创建了ui,然后创建item。暂时未可知
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