public class Activity extends AppCompatActivity {

private EditText gEditText;

@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.view);

gEditText = (EditText) findViewById(R.id.GEditText);
}
...
Calendar tcal = Calendar.getInstance();
String timeStr = gEditText.getText().toString().replace(" ", "");
String[]timeParts = timeStr.split(":");
tcal.set(Calendar.HOUR, Integer.parseInt(timeParts[0]));
tcal.set(Calendar.MINUTE, Integer.parseInt(timeParts[1]));
Bundle timebundle = new Bundle();
timebundle.putInt("hour", tcal.get(Calendar.HOUR));
timebundle.putInt("minute", tcal.get(Calendar.MINUTE));
...

public class TimePickerFragment extends DialogFragment implements TimePickerDialog.OnTimeSetListener {
 public Dialog onCreateDialog(Bundle savedInstanceState) {

   if (getArguments() != null) {
        cal = Calendar.getInstance();
        hour = getArguments().getInt("hour");
        minute = getArguments().getInt("minute");
        cal.set(Calendar.HOUR, Calendar.MINUTE);
   }
 TimePickerDialog dialog = new TimePickerDialog(getActivity(), this , hour, minute, false);
            dialog.setTitle("Select a Due Time");
    return dialog;
}

public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
    txtTime = (EditText) getActivity().getWindow().getDecorView().getRootView().findViewById(R.id.GEditText);
    String AM_PM = "";

    Calendar displaytime = Calendar.getInstance();
    displaytime.set(Calendar.HOUR_OF_DAY, hourOfDay);
    displaytime.set(Calendar.MINUTE, minute);

    if (displaytime.get(Calendar.AM_PM) == Calendar.AM)
        AM_PM = "AM";

    else if (displaytime.get(Calendar.AM_PM) == Calendar.PM)
        AM_PM = "PM";

    String minuteString;
    if (minute < 10)
        minuteString = "0" + minute;
    else
        minuteString = "" + minute;

    String hours = (displaytime.get(Calendar.HOUR)== 0) ? "12" : displaytime.get(Calendar.HOUR) + "";
    txtTime.setText(hours + ":" + minuteString + " " + AM_PM + " ");

    txtTime.setSelection(txtTime.getText().length());
}