導入第三方代碼，出現如下異常：
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$FileGenerationWorkAction
> Error while processing D:\dmeoProject\Rfideam\app\src\main\res\drawable\ic_vector_check.xml : Can't process attribute android:fillColor="@color/ip_color_accent": references to other resources are not supported by build-time PNG generation. See http://developer.android.com/tools/help/vector-asset-studio.html for details.
> A failure occurred while executing com.android.build.gradle.tasks.MergeResources$FileGenerationWorkAction
> Error while processing D:\dmeoProject\Rfideam\app\src\main\res\drawable\ic_vector_check.xml : Can't process attribute android:fillColor="@color/ip_color_accent": 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$FileGenerationWorkAction
> Error while processing D:\dmeoProject\Rfideam\app\src\main\res\drawable\ic_vector_check.xml : Can't process attribute android:fillColor="@color/ip_color_accent": references to other resources are not supported by build-time PNG generation. See http://developer.android.com/tools/help/vector-asset-studio.html for details.
> A failure occurred while executing com.android.build.gradle.tasks.MergeResources$FileGenerationWorkAction
> Error while processing D:\dmeoProject\Rfideam\app\src\main\res\drawable\ic_vector_check.xml : Can't process attribute android:fillColor="@color/ip_color_accent": 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$FileGenerationWorkAction
> Error while processing D:\dmeoProject\Rfideam\app\src\main\res\drawable\ic_vector_check.xml : Can't process attribute android:fillColor="@color/ip_color_accent": references to other resources are not supported by build-time PNG generation. See http://developer.android.com/tools/help/vector-asset-studio.html for details.
> A failure occurred while executing com.android.build.gradle.tasks.MergeResources$FileGenerationWorkAction
> Error while processing D:\dmeoProject\Rfideam\app\src\main\res\drawable\ic_vector_check.xml : Can't process attribute android:fillColor="@color/ip_color_accent": 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.
查看異常文件ic_vector_check，使用了vector標籤，是矢量圖，屬於vectorDrawables資源。需要在工程-app的build.gradle的defaultConfig中添加vectorDrawables.useSupportLibrary = true就可以了。
關於Android矢量圖，參考Android矢量圖(一)--VectorDrawable基礎