Android 依赖库升级或者采用新的依赖库之后，compile

最近项目升级，使用了appcompat的依赖库，项目compileSdkVersion版本号为26，报一下错误

Information:Gradle tasks [:argame:generateDebugSources, :argame:generateDebugAndroidTestSources, :argame:mockableAndroidJar, :app:generateStestDebugSources, :app:generateStestDebugAndroidTestSources, :app:mockableAndroidJar]
C:\Users\dell\.gradle\caches\transforms-1\files-1.1\appcompat-1.0.2.aar\d611d6f41827cbb4b870c78fae90dd26\res\values-v28\values-v28.xml
Error:(9, 5) error: resource android:attr/dialogCornerRadius not found.
C:\Users\dell\.gradle\caches\transforms-1\files-1.1\appcompat-v7-26.1.0.aar\06e102031c47826c68d97cb9c102b9b8\res\values\values.xml
Error:(246, 5) error: resource android:attr/fontVariationSettings not found.
Error:(246, 5) error: resource android:attr/ttcIndex not found.
D:\workspace\Fund\app\build\intermediates\incremental\mergeStestDebugResources\merged.dir\values-v28\values-v28.xml
Error:(11) error: resource android:attr/dialogCornerRadius not found.
Error:(7) resource android:attr/dialogCornerRadius not found.
Error:(11) resource android:attr/dialogCornerRadius not found.
D:\workspace\Fund\app\build\intermediates\incremental\mergeStestDebugResources\merged.dir\values\values.xml
Error:(621) resource android:attr/fontVariationSettings not found.
Error:(621) resource android:attr/ttcIndex not found.
Error:failed linking references.
Error:java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
Error:java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
Error:com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
Error:Execution failed for task ':app:processStestDebugResources'.
> Failed to execute aapt
Information:BUILD FAILED in 13s
Information:13 errors
Information:0 warnings
Information:See complete output in console

原因是因为最新的库使用了28中的一些属性和功能，而基于26的版本编译，本地没有这些属性，故将compileSdkVersion升级到28或者错误日志至中values-v28对应的版本号，问题即可修复.
本来没打算做记录，后来朋友又遇到一次，特此又做下简单的记录，避免大家再遇到相同的问题，头疼半天！