package com.TechSect.TaskReminderApp; import android.os.Bundle; import android.preference.EditTextPreference; import android.preference.PreferenceActivity; import android.text.method.DigitsKeyListener; public class TaskPreferences extends PreferenceActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.task_preferences); // Set the time default to a numeric number only EditTextPreference timeDefault = (EditTextPreference) findPreference(getString(R.string.pref_default_time_from_now_key)); timeDefault.getEditText().setKeyListener(DigitsKeyListener.getInstance()); } }