public class MainActivity extends FragmentActivity {
static EditText metTodate, metFromdate, metInTime, metOutTime;
static long no_of_days1;
static long no_of_days2;
static TextView no_of_days;
static TextView no_of_days3;
public static String str;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
metTodate = (EditText)findViewById(R.id.etTodate);
metFromdate = (EditText)findViewById(R.id.etFromdate);
metInTime = (EditText)findViewById(R.id.etInTime);
metOutTime = (EditText)findViewById(R.id.etOutTime);
no_of_days = (TextView)findViewById(R.id.etnoofdays);
// Here is my method where I want my text view to display dates.
no_of_days.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
calendarDaysBetween(Calendar metFromdate, Calendar metTodate);
}
});
}
// Both date picker dialogs
public void showTruitonDatePickerDialog(View v) {
DialogFragment newFragment = new DatePickerFragment();
newFragment.show(getSupportFragmentManager(), "datePicker");
}
public static class DatePickerFragment extends DialogFragment
implements DatePickerDialog.OnDateSetListener {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// Use the current date as the default date in the picker
final Calendar c = Calendar.getInstance();
int year = c.get(Calendar.YEAR);
int month = c.get(Calendar.MONTH);
int day = c.get(Calendar.DAY_OF_MONTH);
// Create a new instance of DatePickerDialog and return it
return new DatePickerDialog(getActivity(), this, year, month, day);
}
public void onDateSet(DatePicker view, int year, int month, int day) {
// Do something with the date chosen by the user
metTodate.setText(day + "/" + (month + 1) + "/" + year);
}
}
public void showFromDatePickerDialog(View v) {
DialogFragment newFragment = new FromDatePickerFragment();
newFragment.show(getSupportFragmentManager(), "datePicker");
}
public static class FromDatePickerFragment extends DialogFragment
implements DatePickerDialog.OnDateSetListener {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// Use the current date as the default date in the picker
final Calendar c1 = Calendar.getInstance();
int year = c1.get(Calendar.YEAR);
int month = c1.get(Calendar.MONTH);
int day1 = c1.get(Calendar.DAY_OF_MONTH);
// Create a new instance of DatePickerDialog and return it
return new DatePickerDialog(getActivity(), this, year, month, day1);
// calendarDaysBetween(Calendar metFromdate, Calendar metTodate);
}
public void onDateSet(DatePicker view, int year, int month, int day) {
// Do something with the date chosen by the user
metFromdate.setText(day + "/" + (month + 1) + "/" + year);
}
}
public static long calendarDaysBetween(Calendar metFromdate,
Calendar metTodate) {
// Create copies so we don't update the original calendars.
Calendar start = Calendar.getInstance();
start.setTimeZone(metFromdate.getTimeZone());
start.setTimeInMillis(metFromdate.getTimeInMillis());
Calendar end = Calendar.getInstance();
end.setTimeZone(metTodate.getTimeZone());
end.setTimeInMillis(metTodate.getTimeInMillis());
// Set the copies to be at midnight, but keep the day information.
start.set(Calendar.HOUR_OF_DAY, 0);
start.set(Calendar.MINUTE, 0);
start.set(Calendar.SECOND, 0);
start.set(Calendar.MILLISECOND, 0);
end.set(Calendar.HOUR_OF_DAY, 0);
end.set(Calendar.MINUTE, 0);
end.set(Calendar.SECOND, 0);
end.set(Calendar.MILLISECOND, 0);
// At this point, each calendar is set to midnight on
// their respective days. Now use TimeUnit.MILLISECONDS to
// compute the number of full days between the two of them.
no_of_days1 =
TimeUnit.MILLISECONDS.toDays(Math.abs(end.getTimeInMillis() -
start.getTimeInMillis()));
String finalresult = new Double(no_of_days1).toString();
no_of_days.setText(finalresult);
return no_of_days1;
}}
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