Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.ApplicationInfo; public class Main { public static String getDataDir(Context ctx) { ApplicationInfo ai = ctx.getApplicationInfo(); if (ai.dataDir != null) return fixLastSlash(ai.dataDir); else return "/data/data/" + ai.packageName + "/"; } public static String fixLastSlash(String str) { String res = str == null ? "/" : str.trim() + "/"; if (res.length() > 2 && res.charAt(res.length() - 2) == '/') res = res.substring(0, res.length() - 1); return res; } }