For DownloadFile from server you can use following code.
private class DownloadFile extends AsyncTask<String, Integer, String>{
@Override
protected String doInBackground(String... url) {
int count;
try {
URL url = new URL("url of your .mp3 file");
URLConnection conexion = url.openConnection();
conexion.connect();
// this will be useful so that you can show a tipical 0-100% progress bar
int lenghtOfFile = conexion.getContentLength();
// downlod the file
InputStream input = new BufferedInputStream(url.openStream());
OutputStream output = new FileOutputStream("/sdcard/somewhere/nameofthefile.mp3");
byte data[] = new byte[1024];
long total = 0;
while ((count = input.read(data)) != -1) {
total += count;
// publishing the progress....
publishProgress((int)(total*100/lenghtOfFile));
output.write(data, 0, count);
}
output.flush();
output.close();
input.close();
} catch (Exception e) {}
return null;
}
For DownloadFile from server you can use following code.
manifest permission:
Also refer following links it may helps you :
how can i download audio file from server by url
Android:How to download the File from the server and save it in specific folder in sdcard