how to make two timepicker in android?

package com.example.androiddatepicker;
import java.util.Calendar;

import android.app.TimePickerDialog;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.TimePicker;

public class TimePickerFragment implements android.view.View.OnClickListener
{
private final static int DIALOG_FROM_TIME_PICKER = 0;
private final static int DIALOG_TO_TIME_PICKER = 1;
private static Context context;
private ImageButton bt1;
private ImageButton bt2;

private EditText txtFromTime;
private EditText txtToTime;
private int setFromhour;
private int setFrommin;
private Calendar cal,cal1;
private int setTohour;
private int setTomin;
private int dialog=0;

public static TimePickerFragment newInstance( Context ctx )
{
TimePickerFragment frag = new TimePickerFragment();
Bundle args = new Bundle();
frag.setArguments(args);
context=ctx;
return frag;
}

private void setArguments(Bundle args) {
// TODO Auto-generated method stub

}

public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState)
{
View rootView = inflater.inflate(R.layout.activity_main, container, false);
txtFromTime=(EditText)rootView.findViewById(R.id.editText);
txtToTime=(EditText)rootView.findViewById(R.id.editText1);

bt1=(ImageButton)rootView.findViewById(R.id.imageButton1);
bt1.setOnClickListener(this);

bt2=(ImageButton)rootView.findViewById(R.id.imageButton2);
bt2.setOnClickListener(this);

txtFromTime.setOnClickListener(this);
txtToTime.setOnClickListener(this);


// setContentView(R.layout.activity_main);

cal = Calendar.getInstance();
setFromhour = cal.get(Calendar.HOUR_OF_DAY);
setFrommin = cal.get(Calendar.MINUTE);



cal1 = Calendar.getInstance();
setTohour = cal1.get(Calendar.HOUR_OF_DAY);
setTomin = cal1.get(Calendar.MINUTE);


return rootView;
}

private void showTimePickerDialog ( int id )
{
switch ( id )
{
case DIALOG_FROM_TIME_PICKER:

new TimePickerDialog(context,mTimeSetListener, setFromhour, setFrommin, false).show();
break;
case DIALOG_TO_TIME_PICKER:
new TimePickerDialog(context, mTimeSetListener, setTohour,setTomin, false).show();
}
}

@Override
public void onClick( View v )
{
switch (v.getId())
{

case R.id.imageButton1 :
dialog = DIALOG_FROM_TIME_PICKER;
showTimePickerDialog (DIALOG_FROM_TIME_PICKER);
break;
case R.id.imageButton2 :
dialog = DIALOG_TO_TIME_PICKER;
showTimePickerDialog(DIALOG_TO_TIME_PICKER);
break;
default:
break;
}
}

private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener()
{

@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
if ( dialog == DIALOG_FROM_TIME_PICKER )
{
int hour;
String am_pm;
if (hourOfDay > 12) {
hour = hourOfDay - 12;
am_pm = "PM";
}
else {
hour = hourOfDay;
am_pm = "AM";
txtFromTime.setText(hour + " : " + minute + " " + am_pm);
}


}
else if ( dialog == DIALOG_TO_TIME_PICKER )
{
int hour;
String am_pm;
if (hourOfDay > 12) {
hour = hourOfDay - 12;
am_pm = "PM";
}
else {
hour = h