This code can save the audio files in listView but it cant play so what can I do?

[AC Question]

**This is a code for saving audio files and display in listView.**
import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
public class MainActivity extends Activity {
TextView status;
String outputFile;
MediaRecorder myRecorder;
**//MediaPlayer myPlayer;**
ImageButton starts;
ImageButton stopsrec;
SimpleDateFormat dateFormat;
String currentTimeStamp;
**// ImageButton plays;
//ImageButton stops;**
@override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
status = (TextView) findViewById(R.id.tv1);
starts = (ImageButton) findViewById(R.id.startrec);
stopsrec = (ImageButton) findViewById(R.id.stoprec);
listings();
**// plays=(ImageButton)findViewById(R.id.play);
//stops=(ImageButton)findViewById(R.id.stop);**
outputFile = Environment.getExternalStorageDirectory().
getAbsolutePath() + "/rec" + getCurrentTimeStamp() + "records.mp3";
myRecorder = new MediaRecorder();
myRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
myRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
myRecorder.setAudioEncoder(MediaRecorder.OutputFormat.AMR_NB);
myRecorder.setOutputFile(outputFile);
starts.setOnClickListener(new OnClickListener() {
**// boolean mStartRecording = true;**
@override
public void onClick(View v) {
startRecording(v);
}
});
stopsrec.setOnClickListener(new OnClickListener() {
@override
public void onClick(View v) {
stopRecording(v);

}
});
}

protected void stopRecording(View v) {
try {
myRecorder.stop();
myRecorder.reset();
myRecorder.release();

myRecorder = null;

} catch (IllegalStateException e) {
e.printStackTrace();
} catch (RuntimeException e) {
// no valid audio/video data has been received
e.printStackTrace();
}
stopsrec.setEnabled(false);
starts.setEnabled(true);
//plays.setEnabled(true);
status.setText("Recording Stopped");
status.setTextColor(Color.RED);

Toast.makeText(getApplicationContext(), "Recording Stopped", Toast.LENGTH_SHORT).show();
refresh();
}

public void refresh() {
Intent intent = getIntent();
finish();
startActivity(intent);
}

protected void startRecording(View v) {
try {
myRecorder.prepare();
myRecorder.start();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
//plays.setEnabled(false);
stopsrec.setEnabled(true);
starts.setEnabled(false);
status.setText("Recording");
status.setTextColor(Color.GREEN);
Toast.makeText(getApplicationContext(), "Recording...", Toast.LENGTH_SHORT).show();
}

@override
public void onPause() {
super.onPause();
if (myRecorder != null) {
myRecorder.release();
myRecorder = null;
}
/* if (myPlayer != null) {
myPlayer.release();
myPlayer = null;
}*/
}

public String getCurrentTimeStamp() {
try {
dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
currentTimeStamp = dateFormat.format(new Date()); // Find todays date
return currentTimeStamp;

} catch (Exception e) {
e.printStackTrace();


}
return null;
}
public void listings(){
final String[] items;
String path=Environment.getExternalStorageDirectory();
final ListView lv=(ListView)findViewById(R.id.lv);
final ArrayList<File> myrecords = GetFiles(Environment.getExternalStorageDirectory());
items=new String[myrecords.size()];
for(int i=0;i<myrecords.size();i++){
items=myrecords.get(i).getName().toString();
}
// lv = (ListView)findViewById(R.id.filelist);
final ArrayAdapter<String> adapt=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1, items);
lv.setAdapter(adapt);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String filename =(String)lv.getItemAtPosition(position);
String path=Environment.getExternalStorageDirectory().getAbsolutePath() + "/"+(String)lv.getItemAtPosition(position);
Toast.makeText(getApplicationContext(),path,Toast.LENGTH_SHORT).show();
Uri audio = Uri.parse(path);
Intent intent = new Intent();
intent.setAction(android.content.Intent.ACTION_VIEW);
File file = new File(String.valueOf(audio));
intent.setDataAndType(Uri.fromFile(file), "audio/*");
startActivity(intent);
}
});
}
public ArrayList<File> GetFiles(File DirectoryPath) {
ArrayList<File> myfiles = new ArrayList<File>();
File[] files = DirectoryPath.listFiles();
for(File singlefile : files){
if(singlefile.isDirectory() && !singlefile.isHidden()){
myfiles.addAll(GetFiles(singlefile));

}
else {
if (singlefile.getName().endsWith("records.mp3")) {
myfiles.add(singlefile);
}
}
}

return myfiles;
}
}