Java tutorial
//package com.java2s; import android.os.Environment; import java.io.File; public class Main { static public void mkdirSDContent() { try { String swiftFolder = "/swift"; String extStorageDirectory = Environment.getExternalStorageDirectory().toString(); File mySwiftFolder = new File(extStorageDirectory + swiftFolder); mySwiftFolder.mkdir(); } catch (Exception e) { e.printStackTrace(); } } }