import java.io.File;
import java.io.IOException;
import com.kant.MangoPlayer.R;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;

/**
 * @author kantsh
 *         This code can be used for development purposes and is free to use.
 *         Completed on Tuesday,May 01,2012
 *         mailto "kant.shashi@hotmail.com"
 */
public class MangoMediaPlayerActivity extends Activity implements Runnable {
 /* Called when the activity is first created. */

 MangoMediaPlayerActivity mangoplayer;
 Thread currentThread;
 private String songUrl;
 private int MediaFetchResultCode = 11;
 private TextView fileSelected;
 private Button playIt;
 private Button stopIt;

 private MediaPlayer mp;
 private AudioManager audioManager;
 private SeekBar mediabar;
 private int total;

 private boolean Complete;

 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);

  fileSelected = (TextView) findViewById(R.id.autoCompleteTextViewer);
  Button browser = (Button) findViewById(R.id.bSelectFile);
  playIt = (Button) findViewById(R.id.bPlay);
  stopIt = (Button) findViewById(R.id.bstop);
  mediabar = (SeekBar) findViewById(R.id.mediaSeekBar);

  mangoplayer = this;

  mp = new MediaPlayer();
  mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {

   @Override
   public void onCompletion(MediaPlayer mp) {
    Complete = true;
   }
  });

  browser.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
    // intent name ="com.kant.MangoPlayer.FileExplore"
    Intent intent = new Intent("com.kant.MangoPlayer.FileExplore");
    startActivityForResult(intent, MediaFetchResultCode);
   }
  });

  playIt.setOnClickListener(new View.OnClickListener() {

   @Override
   public void onClick(View v) {
    try {
     Complete = true; // if u browse while playing then thread must be stopped
     mp.reset();
     mp.setDataSource(songUrl);
     mp.prepare();

     total = mp.getDuration(); // total duration of the song
     mediabar.setProgress(0);
     mediabar.setMax(total);

     Complete = false;
     currentThread = new Thread(mangoplayer);
     currentThread.start(); // start the thread to start listening
     mp.start(); // now start the media player
    } catch (IllegalArgumentException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    } catch (IllegalStateException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
  });

  stopIt.setOnClickListener(new View.OnClickListener() {

   @Override
   public void onClick(View v) {
    mp.stop();
    Complete = true;
   }
  });

  // for Volume SeekBar--------------------------------
  SeekBar volumeCtrl = (SeekBar) findViewById(R.id.volSeekBar);
  audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
  int maxVolume = audioManager
    .getStreamMaxVolume(AudioManager.STREAM_MUSIC);
  int curVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);

  volumeCtrl.setMax(maxVolume);
  volumeCtrl.setProgress(curVolume);
  volumeCtrl.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {

     public void onStopTrackingTouch(SeekBar seekBar) {
     }

     public void onStartTrackingTouch(SeekBar seekBar) {
     }

     public void onProgressChanged(SeekBar seekBar,
       int progress, boolean fromUser) {
      audioManager.setStreamVolume(AudioManager.STREAM_MUSIC,
        progress, 0);
     }
    });

  mediabar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {

   @Override
   public void onStopTrackingTouch(SeekBar seekBar) {
   }

   @Override
   public void onStartTrackingTouch(SeekBar seekBar) {
   }

   @Override
   public void onProgressChanged(SeekBar seekBar, int progress,
     boolean fromUser) {
    if (fromUser) {
     mp.seekTo(progress);
    }
   }
  });

 }

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  // TODO Auto-generated method stub
  super.onActivityResult(requestCode, resultCode, data);
  if (requestCode == MediaFetchResultCode) {
   if (resultCode == RESULT_OK) {
    songUrl = data.getStringExtra("fileChosen");
    File file = new File(songUrl);
    fileSelected.setText(file.getName());
    Toast.makeText(getApplicationContext(),
      "U have selected:" + file.getName(), Toast.LENGTH_LONG).show();
   }
  }
 }

 @Override
 public void run() {
  // TODO Auto-generated method stub
  try {
   while (Complete == false) {
    int currentPosition = mp.getCurrentPosition();
    mediabar.setProgress(currentPosition);
   }
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }

 @Override
 protected void onDestroy() {
  super.onDestroy();
  mp.stop();
  Complete=true;
 }

 @Override
 protected void onPause() {
  super.onPause();
  mp.stop();
  Complete=true;
 }

 @Override
 protected void onRestart() {
  super.onRestart();
 }

 @Override
 protected void onResume() {
  super.onResume();
 }

 @Override
 protected void onStart() {
  super.onStart();
 }

 @Override
 protected void onStop() {
  super.onStop();
  mp.stop();
  Complete=true;
 }
}