我想基于文件实现我自己的Tokenizer"MultiAutoCompleteTextView.java",但我在尝试时遇到错误“com.android.internal.R无法解析”将“MultiAutoCompleteTextView.java”导入我的项目。代码:publicclassMultiAutoCompleteTextViewextendsAutoCompleteTextView{privateTokenizermTokenizer;publicMultiAutoCompleteTextView(Contextcontext){this(context,null);}pu