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License

The source code is released under:

Apache License

Java Source Code

package com.example.android.BluetoothChat;
/*w w w  .jav  a 2  s .c  o  m*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.HashMap;
import com.google.ads.*;
import com.google.*;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class Home extends Activity implements OnClickListener {
  Button bgo;
  Button upl;
  Button filebutton;
  Button subt;
  EditText subm;
  EditText ed1;
  // String blueAddress;
  // String uploadFileName;

  // EditText textBox;
  static final int READ_BLOCK_SIZE = 100;

  Button createList;
  String munni;

  final String MEDIA_PATH = "/storage/sdcard0/Download/"; // Danish mobile
  private ArrayList<HashMap<String, String>> songsList = new ArrayList<HashMap<String, String>>();
  private String mp3Pattern = ".mp3";

  private ArrayList<HashMap<String, String>> pappu;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.home);

    bgo = (Button) findViewById(R.id.button1);
    upl = (Button) findViewById(R.id.button2);
    filebutton = (Button) findViewById(R.id.button3);
    subm = (EditText) findViewById(R.id.editText1);
    ed1 = (EditText) findViewById(R.id.editText1);

    // textBox = (EditText) findViewById(R.id.txtText1);

    createList = (Button) findViewById(R.id.scanmp3);
    // createList.setOnClickListener(this);

    InputStream is = this.getResources().openRawResource(R.raw.littleboy);
    BufferedReader br = new BufferedReader(new InputStreamReader(is));

    // Bluetooth mac address code
    /*
     * BluetoothAdapter blueMac=BluetoothAdapter.getDefaultAdapter();
     * if(blueMac==null) { Toast.makeText(getBaseContext(),
     * "Turn bluetooth on", Toast.LENGTH_SHORT).show(); }
     * 
     * blueAddress = blueMac.getAddress();
     */
    // uploadFileName="littleboy.txt";
    // Toast.makeText(getBaseContext(), , Toast.LENGTH_SHORT).show();

    // String str = null;
    /*
     * try { while ((str = br.readLine()) != null) {
     * Toast.makeText(getBaseContext(), str, Toast.LENGTH_SHORT) .show(); }
     * is.close(); br.close(); } catch (IOException e) {
     * e.printStackTrace(); }
     */
  }

  public void onClick(View v) {
    Intent i = new Intent("com.example.android.BluetoothChat.BluetoothChat");
    startActivity(i);
  }

  public void upld(View v) {
    Intent i = new Intent(
        "com.example.android.BluetoothChat.UploadToServer");
    // i.putExtra("BluetoothAddress", uploadFileName);
    startActivity(i);
  }

  public void flook(View v) {

    Intent i = new Intent("com.example.android.BluetoothChat.File_look");

    i.putExtra("name", ed1.getText().toString());
    Log.i("data", ed1.getText().toString());
    startActivity(i);

  }

  public void createMp3List(View v) {

    Toast.makeText(getBaseContext(), "function called !",
        Toast.LENGTH_SHORT).show();

    munni = getPlayList().toString();
    Log.d(munni, "ankit chaurasia");

    Toast.makeText(getBaseContext(), "string catched!", Toast.LENGTH_SHORT)
        .show();

    // String str = textBox.getText().toString();
    String str = munni;
    try {
      // ---SD Card Storage---
      File sdCard = Environment.getExternalStorageDirectory();
      File directory = new File(sdCard.getAbsolutePath() + "/LittleBoy");
      directory.mkdirs();
      File file = new File(directory, "littleboy.txt");
      FileOutputStream fOut = new FileOutputStream(file);

      /*
       * FileOutputStream fOut = openFileOutput("textfile.txt",
       * MODE_WORLD_READABLE);
       */

      OutputStreamWriter osw = new OutputStreamWriter(fOut);

      // ---write the string to the file---
      osw.write(str);
      osw.flush();
      osw.close();

      // ---display file saved message---
      Toast.makeText(getBaseContext(), "File saved successfully!",
          Toast.LENGTH_SHORT).show();

      // ---clears the EditText---
      // textBox.setText("");
    } catch (IOException ioe) {
      ioe.printStackTrace();
    }
  }

  /**
   * Function to read all mp3 files and store the details in ArrayList
   * */
  public ArrayList<HashMap<String, String>> getPlayList() {
    // System.out.println(MEDIA_PATH);
    if (MEDIA_PATH != null) {
      File home = new File(MEDIA_PATH);
      File[] listFiles = home.listFiles();
      if (listFiles != null && listFiles.length > 0) {
        for (File file : listFiles) {
          // System.out.println(file.getAbsolutePath());
          if (file.isDirectory()) {
            scanDirectory(file);
          } else {
            addSongToList(file);
          }
        }
      }
    }
    // return songs list array
    return songsList;
  }

  private void scanDirectory(File directory) {
    if (directory != null) {
      File[] listFiles = directory.listFiles();
      if (listFiles != null && listFiles.length > 0) {
        for (File file : listFiles) {
          if (file.isDirectory()) {
            scanDirectory(file);
          } else {
            addSongToList(file);
          }

        }
      }
    }
  }

  private void addSongToList(File song) {
    if (song.getName().endsWith(mp3Pattern)) {
      HashMap<String, String> songMap = new HashMap<String, String>();

      songMap.put("\n",
          song.getName().substring(0, (song.getName().length() - 4)));
      // songMap.put("songPath", song.getPath());

      // Adding each song to SongList
      songsList.add(songMap);
    }
  }

}

Java Source Code List

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