List files/directory in Android

List files/directory in Android

package com.AndroidListFiles;

 

import java.io.File;

import java.util.ArrayList;

import java.util.List;

 

import android.app.ListActivity;

import android.os.Bundle;

import android.os.Environment;

import android.widget.ArrayAdapter;

 

public class AndroidListFilesActivity extends ListActivity {

  

 private List<String> fileList = new ArrayList<String>();

 

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

         

        File root = new File(Environment

          .getExternalStorageDirectory()

          .getAbsolutePath());

        ListDir(root);

 

    }

     

    void ListDir(File f){

     File[] files = f.listFiles();

     fileList.clear();

     for (File file : files){

      fileList.add(file.getPath()); 

     }

      

     ArrayAdapter<String> directoryList

     = new ArrayAdapter<String>(this,

       android.R.layout.simple_list_item_1, fileList);

     setListAdapter(directoryList);

    }

 

}