android mimetype

public static String getMimeTypeFormPath(String url){
String type = null;
String extension = MimeTypeMap.getFileExtensionFromUrl(url);
if (extension != null) {
type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
}
return type;
}

public static String getMimeTypeFormFile(File file){     Uri selectedUri = Uri.fromFile(file);     String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString());     Log.i(TAG, "fileExtension " + fileExtension);     String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);     return mimeType;}