- Android DatePicker is a widget to select date. It allows you to select date by day, month and year. Like DatePicker, android also provides TimePicker to select time.
- The android.widget.DatePicker is the subclass of FrameLayout class.
- DatePicker object is also passed into this function. You can use the following methods of the DatePicker to perform further operation.
Sr.No Method & description 1 getDayOfMonth()This method gets the selected day of month 2 getMonth()This method gets the selected month 3 getYear()This method gets the selected year 4 setMaxDate(long maxDate)This method sets the maximal date supported by this DatePicker in milliseconds since January 1, 1970 00:00:00 in getDefault() time zone 5 setMinDate(long minDate)This method sets the minimal date supported by this NumberPicker in milliseconds since January 1, 1970 00:00:00 in getDefault() time zone 6 setSpinnersShown(boolean shown)This method sets whether the spinners are shown 7 updateDate(int year, int month, int dayOfMonth)This method updates the current date 8 getCalendarView()This method returns calendar view 9 getFirstDayOfWeek()This Method returns first day of the week
Android DatePicker Example
Now we are going to see the example that will help you for undarstand the android datepicker .
activity_main.xml
File: activity_main.xml
Activity class
File: MainActivity.java
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package com.example.datepicker2; import java.util.Calendar; import android.app.Activity; import android.app.DatePickerDialog; import android.app.Dialog; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.DatePicker; import android.widget.TextView; public class MyAndroidAppActivity extends Activity { private TextView tvDisplayDate; private DatePicker dpResult; private Button btnChangeDate; private int year; private int month; private int day; static final int DATE_DIALOG_ID = 999; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); setCurrentDateOnView(); addListenerOnButton(); } // display current date public void setCurrentDateOnView() { tvDisplayDate = (TextView) findViewById(R.id.tvDate); dpResult = (DatePicker) findViewById(R.id.dpResult); final Calendar c = Calendar.getInstance(); year = c.get(Calendar.YEAR); month = c.get(Calendar.MONTH); day = c.get(Calendar.DAY_OF_MONTH); // set current date into textview tvDisplayDate.setText(new StringBuilder() // Month is 0 based, just add 1 .append(month + 1).append("-").append(day).append("-") .append(year).append(" ")); // set current date into datepicker dpResult.init(year, month, day, null); } public void addListenerOnButton() { btnChangeDate = (Button) findViewById(R.id.btnChangeDate); btnChangeDate.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { showDialog(DATE_DIALOG_ID); } }); } @Override protected Dialog onCreateDialog(int id) { switch (id) { case DATE_DIALOG_ID: // set date picker as current date return new DatePickerDialog(this, datePickerListener, year, month,day); } return null; } private DatePickerDialog.OnDateSetListener datePickerListener = new DatePickerDialog.OnDateSetListener() { // when dialog box is closed, below method will be called. public void onDateSet(DatePicker view, int selectedYear, int selectedMonth, int selectedDay) { year = selectedYear; month = selectedMonth; day = selectedDay; // set selected date into textview tvDisplayDate.setText(new StringBuilder().append(month + 1) .append("-").append(day).append("-").append(year) .append(" ")); // set selected date into datepicker also dpResult.init(year, month, day, null); } }; } |
Output:
