FragmentAudio.class

package com.example.ref_apps.winnerplayer;

import android.app.Fragment;
import android.app.ListFragment;
import android.content.Context;
import android.database.Cursor;
import android.media.MediaMetadataRetriever;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import java.util.ArrayList;
import java.util.Locale;

/**
 * Created by amosr on 09/09/2015.
 */
public class FragmentAudio extends ListFragment  {

    ArrayList<AudioItem> audioList;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        final String[] projection = {MediaStore.Audio.Media.ALBUM, MediaStore.Audio.Media.ARTIST, MediaStore.Audio.Media.TITLE, MediaStore.Audio.Media.DATA};
        final String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0";
        //final String[] projection1 = {MediaStore.Audio.Playlists._ID, MediaStore.Audio.Playlists.NAME};
        //  String[] projection2 = { MediaStore.Audio.Playlists._ID, MediaStore.Audio.Playlists.NAME, MediaStore.Audio.Playlists.DATA };


        Cursor cursor = getActivity().getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, projection, selection, null, null);

        while (cursor.moveToNext()) {
            String artist = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ARTIST));
            String album = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM));
            String title = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.TITLE));
            String fullPath = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.DATA));
            String length = getTrackLength(fullPath);

            audioList.add(new AudioItem(artist, album, title, length, fullPath));
        }



    }

   @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
       setListAdapter(new ListAdapterAudio(getActivity(), audioList));
        return inflater.inflate(R.layout.fragment_audio_list, container, false);
    }

    public String getTrackLength(String filePath){
        // load data file
        MediaMetadataRetriever metaRetriever = new MediaMetadataRetriever();
        metaRetriever.setDataSource(filePath);

        String out;

        // convert duration to minute:seconds
        String duration =
                metaRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
        Log.v("time", duration);
        long dur = Long.parseLong(duration);
        String seconds = String.valueOf((dur % 60000) / 1000);

        Log.v("seconds", seconds);
        String minutes = String.valueOf(dur / 60000);

        if (seconds.length() == 1) {
            out = "0" + minutes + ":0" + seconds;
        }else {
            out = "0" + minutes + ":" + seconds;
        }

        // close object
        metaRetriever.release();
        return out;
    }
}