Modify the method in which a person can select the date and time (e.g. use a checkbox or radio button).

XML Code:

Java Code:

import android.app.Activity; import android.app.DatePickerDialog; import android.app.TimePickerDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.DatePicker; import android.widget.TextView; import android.widget.TimePicker; import java.text.DateFormat; import java.util.Calendar; public class MainActivity extends Activity { DateFormat fmtDateAndTime = DateFormat.getDateTimeInstance(); TextView dateAndTimeLabel; Calendar dateAndTime = Calendar.getInstance(); DatePickerDialog.OnDateSetListener d = new DatePickerDialog.OnDateSetListener() { public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { dateAndTime.set(Calendar.YEAR, year); dateAndTime.set(Calendar.MONTH, monthOfYear); dateAndTime.set(Calendar.DAY_OF_MONTH, dayOfMonth); updateLabel(); } }; TimePickerDialog.OnTimeSetListener t = new TimePickerDialog.OnTimeSetListener() { public void onTimeSet(TimePicker view, int hourOfDay, int minute) { dateAndTime.set(Calendar.HOUR_OF_DAY, hourOfDay); dateAndTime.set(Calendar.MINUTE, minute); updateLabel(); } }; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.activity_main); Button btn = (Button) findViewById(R.id.dateBtn); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { new DatePickerDialog(MainActivity.this, d, dateAndTime.get(Calendar.YEAR), dateAndTime.get(Calendar.MONTH), dateAndTime.get(Calendar.DAY_OF_MONTH)).show(); } }); btn = (Button) findViewById(R.id.timeBtn); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { new TimePickerDialog(MainActivity.this, t, dateAndTime.get(Calendar.HOUR_OF_DAY), dateAndTime.get(Calendar.MINUTE), true).show(); } }); dateAndTimeLabel = (TextView) findViewById(R.id.dateAndTime); updateLabel(); } private void updateLabel() { dateAndTimeLabel.setText(fmtDateAndTime .format(dateAndTime.getTime())); } }