 <p>You should not use static methods to share non-static data between activities. For this purpose please use Intent you passing as temporary storage of your data. For example you provided you can refer to <a href="http://developer.android.com/reference/android/content/Intent.html#putStringArrayListExtra(java.lang.String,%20java.util.ArrayList%3Cjava.lang.String%3E)" rel="nofollow">putStringArrayListExtra()</a></p>