package com.example.testlistview;import java.io.File;import java.util.ArrayList;import java.util.Collections;import android.content.Context;import android.util.AttributeSet;import android.view.View;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.ListView;public class MyListView extends ListView {	private Context mContext = null;	private ArrayList
    
      mList = new ArrayList
     
      ();	private ArrayList
      
        mFolderList = new ArrayList
       
        ();	private ArrayList
        
          mFileList = new ArrayList
         
          (); private ArrayAdapter
          
            mAdapter = null; // Property private String mPath = ""; // Event private OnPathChangedListener mOnPathChangedListener = null; private OnFileSelectedListener mOnFileSelectedListener = null; public MyListView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); init(context); } public MyListView(Context context, AttributeSet attrs) { super(context, attrs); init(context); } public MyListView(Context context) { super(context); init(context); } private void init(Context context) { mContext = context; setOnItemClickListener(mOnItemClick); } private boolean openPath(String path) { mFolderList.clear(); mFileList.clear(); File file = new File(path); File[] files = file.listFiles(); if (files == null) { return false; } for (int i = 0; i < files.length; i++) { if (files[i].isDirectory()) { mFolderList.add("<" + files[i].getName() + ">"); } else { mFileList.add(files[i].getName()); } } Collections.sort(mFolderList); Collections.sort(mFileList); mFolderList.add(0, "<..>"); return true; } private void updateAdapter() { mList.clear(); mList.addAll(mFolderList); mList.addAll(mFileList); mAdapter = new ArrayAdapter
           
            (mContext, android.R.layout.simple_list_item_1, mList); setAdapter(mAdapter); } public void setPath(String value) { if (value.length() == 0) { value = "/"; } else { String lastChar = value.substring(value.length() - 1, value.length()); if (lastChar.matches("/") == false) { value = value + "/"; } } if (openPath(value)) { mPath = value; updateAdapter(); if (mOnPathChangedListener != null) { mOnPathChangedListener.onChanged(value); } } } public String getPath() { return mPath; } public void setOnPathChangedListener(OnPathChangedListener value) { mOnPathChangedListener = value; } public OnPathChangedListener getOnPathChangedListener() { return mOnPathChangedListener; } public void setOnFileSelected(OnFileSelectedListener value) { mOnFileSelectedListener = value; } public OnFileSelectedListener getOnFileSelected() { return mOnFileSelectedListener; } public String DelteRight(String value, String border) { String list[] = value.split(border); String result = ""; for (int i = 0; i < list.length; i++) { result = result + list[i] + border; } return result; } private String delteLastFolder(String value) { String list[] = value.split("/"); String result = ""; for (int i = 0; i < list.length - 1; i++) { result = result + list[i] + "/"; } return result; } private String getRealPathName(String newPath) { String path = newPath.substring(1, newPath.length() - 1); if (path.matches("..")) { return delteLastFolder(mPath); } else { return mPath + path + "/"; } } private AdapterView.OnItemClickListener mOnItemClick = new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView
             arg0, View arg1, int position, long id) { String fileName = getItemAtPosition(position).toString(); if (fileName.matches("<.*>")) { setPath(getRealPathName(fileName)); } else { if (mOnFileSelectedListener != null) { mOnFileSelectedListener.onSelected(mPath, fileName); } } } }; interface OnFileSelectedListener { public void onSelected(String path, String fileName); } interface OnNotifyEventListener { public void onNotify(Object sender); } interface OnPathChangedListener { public void onChanged(String path); }}