package com.wm.remusic.uitl.Comparator; import android.util.Log; import com.wm.remusic.info.FolderInfo; import java.util.Comparator; public class FolderCountComparator implements Comparator<FolderInfo> { @Override public int compare(FolderInfo a1, FolderInfo a2) { Integer py1 = a1.folder_count; Integer py2 = a2.folder_count; return py2.compareTo(py1); } private boolean isEmpty(String str) { return "".equals(str.trim()); } }