Java tutorial
//package com.java2s; import java.io.File; import android.content.Context; public class Main { public static File getCacheDir(Context context, String dirName) { File file = null; if (dirName == null) { file = context.getCacheDir(); } else { file = new File(context.getCacheDir(), dirName); } if (!file.exists()) { file.mkdirs(); } return file; } }