LoaderCursorUtil异步查询数据库的工具类使用方法如下:protectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);LoaderCursorUtilcursorUtil=newLoaderCursorUtil(this);cursorUtil.getCurosr(newDBCursorListener(){/***在子线程中执行查询操作*/@OverridepublicCursordoQueryLister(){Stringuri=