Android如何获取asset目录下所有文件的路径

package com.hangcheng.util;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.content.res.AssetManager;

public class GetfilesFromAssets {
private Activity activity;
private String[] files;

public GetfilesFromAssets(Context context) {
this.activity = (Activity) context;

}

// public void deepFile(Context ctxDealFile, String path) {
// try {
// String str[] = ctxDealFile.getAssets().list(path);
// if (str.length > 0) {// 如果是目录
// File file = new File("/data/" + path);
// file.mkdirs();
// for (String string : str) {
// path = path + "/" + string;
// System.out.println("zhoulc:\t" + path);
// // textView.setText(textView.getText()+"\t"+path+"\t");
// deepFile(ctxDealFile, path);
// path = path.substring(0, path.lastIndexOf('/'));
// }
// } else {// 如果是文件
// InputStream is = ctxDealFile.getAssets().open(path);
// FileOutputStream fos = new FileOutputStream(new File("/data/"
// + path));
// byte[] buffer = new byte[1024];
// int count = 0;
// while (true) {
// count++;
// int len = is.read(buffer);
// if (len == -1) {
// break;
// }
// fos.write(buffer, 0, len);
// }
// is.close();
// fos.close();
// }
// } catch (IOException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// }

public String[] getfileFromAssets(String path) {
AssetManager assetManager = activity.getAssets();
// String[] files;
try {
files = assetManager.list(path);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

return files;

}

public List listHtmlOfAssets() {
List list = new ArrayList();
files = getfileFromAssets("html");
for (int i = 0; i < files.length; i++) {
HashMap map = new HashMap();
map.put("htmlname", files[i]);
list.add(map);
}
return list;
}
}