Revert "Revert "Set 24 hour pref. with ACTION_TIME_CHANGED.""

import android.content.SharedPreferences;

import android.content.SharedPreferences.OnSharedPreferenceChangeListener;

import android.os.Bundle;

import android.os.SystemClock;

import android.preference.CheckBoxPreference;

import android.preference.ListPreference;

import android.preference.Preference;

import android.view.View;

import android.widget.DatePicker;

import android.widget.TimePicker;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

            removeDialog(DIALOG_TIMEPICKER);

            showDialog(DIALOG_TIMEPICKER);

        } else if (preference == mTime24Pref) {

            set24Hour(((CheckBoxPreference)mTime24Pref).isChecked());

            final boolean is24Hour = ((CheckBoxPreference)mTime24Pref).isChecked();

            set24Hour(is24Hour);

            updateTimeAndDateDisplay(getActivity());

            timeUpdated();

            timeUpdated(is24Hour);

        }

        return super.onPreferenceTreeClick(preferenceScreen, preference);

    }

        updateTimeAndDateDisplay(getActivity());

    }

    private void timeUpdated() {

    private void timeUpdated(boolean is24Hour) {

        Intent timeChanged = new Intent(Intent.ACTION_TIME_CHANGED);

        timeChanged.putExtra(Intent.EXTRA_TIME_PREF_24_HOUR_FORMAT, is24Hour);

        getActivity().sendBroadcast(timeChanged);

    }