Android------DatePicker, timepick

DatePicker and Timepicker are controls that are used to display time.

Ondatechanged, ontimechanged are trigger events for controls, respectively.

Mainactivity.java:

Import Java.text.simpledateformat;import java.util.calendar;import Java.util.timertask;import android.app.Activity ; Import Android.os.bundle;import android.view.menu;import android.view.menuitem;import android.widget.DatePicker; Import Android.widget.textview;import Android.widget.datepicker.ondatechangedlistener;import Android.widget.timepicker;import Android.widget.timepicker.ontimechangedlistener;import android.widget.Toast;/** * Use of Time controls * * @author Caesar * */public class Mainactivity extends Activity implements Ondatechangedlistener,ontimechang Edlistener {private TextView textview;private DatePicker datepicker;private timepicker timepicker; @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_ Main);d Atepicker = (datePicker) Findviewbyid (r.id.datepicker); TextView = (TextView) Findviewbyid (R.id.textview); Timepicker = (timepicker) Findviewbyid (r.id.timepicker);d Atepicker.init (4, this);//Initialize Date TimepicKer.setis24hourview (TRUE);//Displays whether the time is in accordance with the 24-hour system Timepicker.setontimechangedlistener (this);//Register Event}// Trigger of the time control @overridepublic void ontimechanged (timepicker view, int hourofday, int minute) {//TODO auto-generated method Stubt Oast.maketext (Mainactivity.this, "hourofday" + hourofday + "minute" + minute, 1). Show (); Trigger of the date control @overridepublic void ondatechanged (DatePicker view, int year, int monthofyear,int dayofmonth) {//TODO Auto-gene Rated method Stubcalendar calendar = Calendar.getinstance (); Calendar.set (Datepicker.getyear (), Datepicker.getmonth () , Datepicker.getdayofmonth (), Timepicker.getcurrenthour (), Timepicker.getcurrentminute ()); SimpleDateFormat format = new SimpleDateFormat ("yyyy mm month DD Day hh:mm") Textview.settext (Format.format (calendar.gettime ()));}}

Activity_main.xml:

<linearlayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:tools= "http// Schemas.android.com/tools "android:layout_width=" fill_parent "android:layout_height=" Fill_parent "Android:orienta tion= "vertical" android:paddingbottom= "@dimen/activity_vertical_margin" android:paddingleft= "@dimen/activity_ Horizontal_margin "android:paddingright=" @dimen/activity_horizontal_margin "android:paddingtop=" @dimen/activity_ Vertical_margin "tools:context=" com.example.datepickerdemo.MainActivity "> <datepicker android:id=" @+id         /datepicker "android:layout_width=" fill_parent "android:layout_height=" wrap_content "/> <TimePicker  Android:id= "@+id/timepicker" android:layout_width= "fill_parent" android:layout_height= "Wrap_content" /> <textview android:id= "@+id/textview" android:layout_width= "Fill_parent" Android:layout_h       eight= "Wrap_content" android:textsize= "18DP" /></linearlayout> 

Android------DatePicker, timepick