Java tutorial
//package com.java2s; import android.content.Context; import android.os.Environment; public class Main { private static String mCacheRoot; public static void setCacheRoot(Context context) { if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { mCacheRoot = Environment.getExternalStorageDirectory().getPath() + "/"; } else { mCacheRoot = context.getCacheDir().getPath() + "/"; } } }