BackEnd.java

package com.kirodema.icyBeatsBE;

import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.ArrayList;

import android.app.ListActivity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class BackEnd extends ListActivity {
    private static final String MEDIA_PATH = new String("/sdcard/MP3");
    private ArrayList<String> songs = new ArrayList<String>();
    //private MediaPlayer mp = new MediaPlayer();
    //private int curPos;
    private IBEInterface mpInterface;

    private ServiceConnection mConnection = new ServiceConnection() {

        @Override
        public void onServiceDisconnected(ComponentName arg0) {
            mpInterface = null;
        }

        @Override
        public void onServiceConnected(ComponentName arg0, IBinder service) {
            printDebug("Service connectet");
            mpInterface = IBEInterface.Stub.asInterface((IBinder) service);
            printDebug("mpInterface erstellt");
            try {
                mpInterface.clearPlaylist();
            } catch (RemoteException e) {}

            updateSongList(new File(MEDIA_PATH));
        }
    };

    private static final FilenameFilter MP3_FILTER
    =  new  FilenameFilter() {
        public boolean accept(File dir, String name) {
            return (name.endsWith(".mp3"));
        }
    };

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        printDebug("App gestartet");
        setContentView(R.layout.songs);
        printDebug("ContentView gesetzt");
        Intent serv = new Intent(this, IBEService.class);
        printDebug("Intent für Service erstellt: " + serv.toString());
        this.bindService(serv, mConnection, Context.BIND_AUTO_CREATE);
        //startService(serv);
        //updateSongList(new File(MEDIA_PATH));
        setListAdapter(new ArrayAdapter<String>(this, R.layout.song_item, songs));
        //Collections.sort(songs);
    }

    //TODO
    public void updateSongList(File root) {
        if (root.isFile() && MP3_FILTER.accept(root.getParentFile(), root.getName())) {
            try {
                songs.add(root.getCanonicalPath());
                mpInterface.addSongPlaylist(root.getCanonicalPath());
            } catch (IOException e) {}
              catch (RemoteException e) {}
        } else if (root.isDirectory()) {
            for (File x : root.listFiles()) {
                updateSongList(x);
            }
        }
    }

    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
         try {
             mpInterface.playFile(position);
     } catch(RemoteException e) {
             Log.e(getString(R.string.app_name), e.getMessage());
     }
    }

    private void printDebug (String msg) {
        Log.d(getString(R.string.app_name), msg);
    }

//  private void playSong (String songpath) {
//      try {
//          mp.reset();
//          mp.setDataSource(songpath);
//          mp.prepare();
//          mp.start();
//
//          mp.setOnCompletionListener(new OnCompletionListener() {
//              @Override
//              public void onCompletion(MediaPlayer arg0) {
//                  playNextSong();
//              }
//          });
//
//      } catch(IOException e) {}
//  }
//
//  private void playNextSong() {
//      if (++curPos >= songs.size()) {
//          // Last song, just reset currentPosition
//          curPos = 0;
//      } else {
//          // Play next song
//          playSong(MEDIA_PATH + songs.get(curPos));
//      }
//  }
}