有人帮助解决这些错误吗？
//noinspection GradleCompatible
compileSdkVersion 27
buildToolsVersion '27.0.2'
defaultConfig {
applicationId "in.techware.lataxi"
minSdkVersion 16
targetSdkVersion 27
versionCode 8
versionName "1.0.7"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
implementation 'com.android.support:appcompat-v7:27.0.2'
implementation 'com.android.support:design:27.0.2'
implementation 'com.android.support:recyclerview-v7:27.0.2'
implementation 'com.android.support:cardview-v7:27.0.2'
错误如下：
Information:Gradle tasks [:app:generateDebugSources, :app:generateDebugAndroidTestSources, :app:mockableAndroidJar]
/Users/djaafar/.gradle/caches/transforms-1/files-1.1/appcompat-v7-28.0.0.aar/c614cbb8a9d09e1466ab2b05de7d77ce/res/values-v28/values-v28.xml
Error:(9, 5) error: resource android:attr/dialogCornerRadius not found.
/Users/djaafar/.gradle/caches/transforms-1/files-1.1/appcompat-v7-28.0.0.aar/c614cbb8a9d09e1466ab2b05de7d77ce/res/values/values.xml
Error:(1304, 5) error: resource android:attr/fontVariationSettings not found.
Error:(1304, 5) error: resource android:attr/ttcIndex not found.
/Users/djaafar/Desktop/Taxi/LaTaxi/app/build/intermediates/incremental/mergeDebugResources/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.
/Users/djaafar/Desktop/Taxi/LaTaxi/app/build/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml
Error:(751) resource android:attr/fontVariationSettings not found.
Error:(751) 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:processDebugResources'.
> Failed to execute aapt