android scanning all .mp3 files in SD Card

Question

I\'m trying to scan all .mp3 files in my SD card and save its name. here is a fragment of code which is responsible for that. 1.What i\'m doing wrong? 1. Which is correct

Answer 1

I'm not sure what's wrong in your code. But you can give this approach a try:

public HashMap scanDirectory(File dir) {

HashMap song; 
String mp3Pattern = ".mp3";
File listFile[] = dir.listFiles();

if (listFile != null) {
    for (int i = 0; i < listFile.length; i++) {

        if (listFile[i].isDirectory()) {
            walkdir(listFile[i]);
        } else {
          if (listFile[i].getName().endsWith(mp3Pattern)){
               song = new HashMap();
                song.put("songTitle", file.getName().substring(0, (file.getName().length() - 4)));
                song.put("songPath", file.getPath());

                // Adding each song to SongList
                songsList.add(song);

          }
        }
    }
}  
   return song;
  }

To scan entire whole sdcard for mp3 call scanDirectory(Environment.getExternalStorageDirectory());