DownloadAudioAndPlay.java

DownloadAudioAndPlay.java

package com.example.alitamoor.downloadersampleapplication;

import android.media.MediaPlayer;
import android.os.AsyncTask;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.ProgressBar;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;

public class MainActivity extends AppCompatActivity {

    ProgressBar progressbar;
    File file;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        progressbar = (ProgressBar)findViewById(R.id.progress_view);
        new DownloadFile().execute("https://s3-us-west-2.amazonaws.com/1hbcf/Maboob.mp3");
    }

    private class DownloadFile extends AsyncTask<String, Integer, String> {

        @Override
        protected String doInBackground(String... url) {
            int count;
            try {
                URL urls = new URL(url[0]);
                URLConnection connection = urls.openConnection();
                connection.connect();
                // this will be useful so that you can show a tipical 0-100% progress bar
                int lenghtOfFile = connection.getContentLength();

                InputStream input = new BufferedInputStream(urls.openStream());
                String filename = "Maboob.mp3";
                file = new File(Environment.getExternalStorageDirectory(), filename);
                OutputStream output = new FileOutputStream(file);
                Log.i("Downloader", "doInBackground: " + file.getAbsolutePath());

                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);
                    Log.i("Downloader", "doInBackground: " + (total * 100 / lenghtOfFile));
                }
                output.flush();
                output.close();
                input.close();
            } catch (Exception e) {
            }
            return null;
        }

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            progressbar.setVisibility(ProgressBar.VISIBLE);
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            progressbar.setVisibility(ProgressBar.GONE);
            MediaPlayer mp = new MediaPlayer();
            if(file != null){
                try {
                    mp.setDataSource(file.getAbsolutePath());
                    mp.prepare();
                    mp.start();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

}