error: resource android:attr/dia

错误信息：

AGPBI: {"kind":"error","text":"error: resource android:attr/dialogCornerRadius not found.","sources":[{"file":"C:\\Users\\Administrator\\.gradle\\wrapper\\dists\\gradle-4.10.2-all\\caches\\transforms-1\\files-1.1\\appcompat-v7-28.0.0.aar\\de8a0d65a5d241a3520a925bdabafc4e\\res\\values-v28\\values-v28.xml","position":{"startLine":8,"startColumn":4,"startOffset":447,"endLine":11,"endColumn":12,"endOffset":684}}],"original":"","tool":"AAPT"}

AGPBI: {"kind":"error","text":"error: resource android:attr/dialogCornerRadius not found.","sources":[{"file":"E:\\android\\android_project\\jinrongweb\\JinrongWeb\\app\\build\\intermediates\\incremental\\mergeYingyongbaoDebugResources\\merged.dir\\values-v28\\values-v28.xml","position":{"startLine":10}}],"original":"","tool":"AAPT"}

AGPBI: {"kind":"error","text":"error: resource android:attr/fontVariationSettings not found.","sources":[{"file":"E:\\android\\android_project\\jinrongweb\\JinrongWeb\\app\\src\\main\\res\\values\\dimens.xml","position":{"startLine":2,"startColumn":4,"startOffset":38,"endColumn":34,"endOffset":68}}],"original":"","tool":"AAPT"}

AGPBI: {"kind":"error","text":"error: resource android:attr/ttcIndex not found.","sources":[{"file":"E:\\android\\android_project\\jinrongweb\\JinrongWeb\\app\\src\\main\\res\\values\\dimens.xml","position":{"startLine":2,"startColumn":4,"startOffset":38,"endColumn":34,"endOffset":68}}],"original":"","tool":"AAPT"}

:app:processYingyongbaoDebugResources

我的错误原因：

使用supportLibraryVersion 28.0.0出现的错