Android check null or empty string in Android

Question

In my trying AsyncTask I get email address from my server. In onPostExecute() I have to check is email address empty or null

Answer 1

if you check null or empty String so you can try this

if (createReminderRequest.getDate() == null && createReminderRequest.getDate().trim().equals("")){
    DialogUtility.showToast(this, ProjectUtils.getString(R.string.please_select_date_n_time));
}