title: style attribute '@android:attr/windowEnterAnimation' not found
body: <p>I opened the android project, i got this error, how do i fix it?</p>
  
  <p>Information:Gradle tasks [clean, :app:generateDebugSources, :app:generateDebugAndroidTestSources, :app:mockableAndroidJar]
  Warning:The <code>android.dexOptions.incremental</code> property is deprecated and it has no effect on the build process.
  /Users/Ren/Desktop/17live/app/src/main/res/values/styles.xml
  Error:(515, 5) style attribute '@android:attr/windowEnterAnimation' not found
  Error:(515, 5) style attribute '@android:attr/windowExitAnimation' not found
  Error:(577, 5) style attribute '@android:attr/windowEnterAnimation' not found
  Error:(577, 5) style attribute '@android:attr/windowExitAnimation' not found
  Error:/Users/Ren/Desktop/17live/app/build/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml:3534 style attribute '@android:attr/windowEnterAnimation' not found
  Error:/Users/Ren/Desktop/17live/app/build/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml:3796 style attribute '@android:attr/windowEnterAnimation' not found
  Error:failed linking references
  Error:java.util.concurrent.ExecutionException: com.android.builder.internal.aapt.AaptException: AAPT2 link failed:
  Error:com.android.builder.internal.aapt.AaptException: AAPT2 link failed:
  Error:Execution failed for task ':app:processDebugResources'.</p>
  
  <blockquote>
    <p>Failed to execute aapt
    Information:BUILD FAILED in 13s
    Information:10 errors
    Information:1 warning
    Information:See complete output in console</p>
  </blockquote>