Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.os.Environment; import android.os.StatFs; import android.text.format.Formatter; public class Main { public static String getStorageSize(Context context) { StatFs stat = new StatFs(Environment.getDataDirectory().getPath()); return Formatter.formatFileSize(context, ((long) stat.getBlockSize()) * ((long) stat.getBlockCount())); } }