从GitHub上下载一个项目，导入Android studio之后报错。报错内容如下：
Error:There were multiple failures while executing work items
Error:Execution failed for task ':app:mergeDebugResources'.
> There were multiple failures while executing work items
> A failure occurred while executing com.android.build.gradle.tasks.MergeResources$FileGenerationWorkAction
> Error while processing D:\androidProject\KuaiChuan-master\app\src\main\res\drawable\ic_storage_24dp.xml : Can't process attribute android:fillColor="@color/color_storage": references to other resources are not supported by build-time PNG generation. See http://developer.android.com/tools/help/vector-asset-studio.html for details.
> A failure occurred while executing com.android.build.gradle.tasks.MergeResources$FileGenerationWorkAction
> Error while processing D:\androidProject\KuaiChuan-master\app\src\main\res\drawable\ic_device_24dp.xml : Can't process attribute android:fillColor="@color/color_device": references to other resources are not supported by build-time PNG generation. See http://developer.android.com/tools/help/vector-asset-studio.html for details.
> A failure occurred while executing com.android.build.gradle.tasks.MergeResources$FileGenerationWorkAction
报错的截图如下：
这个bug解决起来也比较简单，在你的app的build.gradle的defaultConfig中添加如下的代码就可以了：
defaultConfig{
vectorDrawables.useSupportLibrary = true
}
添加完 vectorDrawables.useSupportLibrary = true这行代码之后，gradle一下就可以了。
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