you can scan the entire sd card for any file format,here i used for mp3 and mp4.
you can use this for any format that u required.
/** To store the available media files */
private List<String> mediaList = new ArrayList<String>();
externalStoragePath = Environment.getExternalStorageDirectory()
.getAbsolutePath();
targetDir = new File(externalStoragePath);
Log.d(" externalStoragePath ::: ", targetDir.getAbsolutePath());
public File[] mediaFiles = targetDir.listFiles();
/**
* scanFiles
*
* @param scanFiles
*/
public void scanFiles(File[] scanFiles) {
if (scanFiles != null) {
for (File file : scanFiles) {
if(mediaList.size() > 4){
return;
}
if (file.isDirectory()) {
// Log.d(" scaned File ::isDirectory: ",
// file.getAbsolutePath());
scanFiles(file.listFiles());
} else {
addToMediaList(file);
}
}
} else {
Log.d(SCANNER,
" *************** No file is available ***************");
}
}
/**
*
* @param file
*/
private void addToMediaList(File file) {
if (file != null) {
String path = file.getAbsolutePath();
int index = path.lastIndexOf(".");
String extn = path.substring(index + 1, path.length());
if (extn.equalsIgnoreCase("mp4") || extn.equalsIgnoreCase("mp3")) {// ||
Log.d(" scanned File ::: ", file.getAbsolutePath()
+ " file.getPath( ) " + file.getPath());// extn.equalsIgnoreCase("mp3"))
// {
Log.d(SCANNER, " ***** above file is added to list ");
mediaList.add(path);
}
}
}