Developing Android Apps with C # + Xamarin-Datetime picker

1. Axml

<?xml version= "1.0" encoding= "Utf-8"? ><linearlayout xmlns:android= "http://schemas.android.com/apk/res/    Android "android:orientation=" vertical "android:layout_width=" fill_parent "android:layout_height=" Fill_parent "        Android:minwidth= "25px" android:minheight= "25px" > <linearlayout android:orientation= "Horizontal" Android:layout_width= "Match_parent" android:layout_height= "wrap_content" android:id= "@+id/linearLayout4" &G        T <textview android:text= "Service Name" android:layout_width= "400px" Android:layout_heig        ht= "Match_parent" android:id= "@+id/lblbdservicename"/> </LinearLayout> <linearlayout        android:orientation= "Horizontal" android:layout_width= "Match_parent" android:layout_height= "Wrap_content" Android:id= "@+id/linearlayout1" > <button android:text= "select Date" android:id= "@+      Id/btnbdchoosedate "      Android:layout_width= "154.5DP" android:layout_height= "match_parent"/> <textview android:text= "" Android:layout_width= "400px" android:layout_height= "Match_parent" Android : id= "@+id/lblbddate"/> </LinearLayout> <linearlayout android:orientation= "Horizontal" and        Roid:layout_width= "Match_parent" android:layout_height= "wrap_content" android:id= "@+id/linearLayout2" > <button android:text= "Select Time" android:id= "@+id/btnbdchoosetime" Android:layo            Ut_width= "154.5DP" android:layout_height= "match_parent"/> <textview android:text= "" Android:layout_width= "400px" android:layout_height= "match_parent" android:id= "@+id/lblbdtim E "/> </LinearLayout> <linearlayout android:orientation=" Horizontal "android:layout_width= "Match_parent" android:layout_height= "Wrap_content" android:id= "@+id/linearlayout3" > <textview android:layou T_width= "154.5DP" android:layout_height= "match_parent" android:id= "@+id/lblempty"/> <b Utton android:text= "Confirm" android:id= "@+id/btnbdconfirm" android:layout_width= "154.5DP "Android:layout_height=" match_parent "android:layout_marginright=" 320.8DP "/> </linearlayo Ut></linearlayout>

2. Activity.cs

public class Bookingdetails:activity {private TextView timedisplay;        Private Button Picktime;        private int hour;        private int minute;        const int time_dialog_id = 0;        Private TextView Datedisplay;        Private Button pickdate;        Private DateTime date;        const int date_dialog_id = 1;        Private DateTime Serverdatetime;            protected override void OnCreate (bundle bundle) {Setcontentview (Resource.Layout.BookingDetails); Base.            OnCreate (bundle);                try {var lblservicename = findviewbyid<textview> (Resource.Id.lblBdServiceName);                Lblservicename.settext ("Service 1", TextView.BufferType.Normal);                Serverdatetime = DateTime.Parse ("2015-5-22 15:30:26");                Create your application here Timedisplay = findviewbyid<textview> (Resource.Id.lblBDTime); Picktime = findviewbyid<button> (Resource.                Id.btnbdchoosetime);                ADD A click Listener to the button Picktime.click + = (o, e) = ShowDialog (time_dialog_id);                hour = Serverdatetime.hour;                minute = Serverdatetime.minute;                Updatedisplaytime ();                Capture our View elements Datedisplay = findviewbyid<textview> (Resource.Id.lblBDDate);                Pickdate = findviewbyid<button> (Resource.Id.btnBDChooseDate);                Add a Click event handler to the button Pickdate.click + = delegate {ShowDialog (date_dialog_id);};                date = Serverdatetime;                Updatedisplaydate ();                var btncfm = findviewbyid<button> (Resource.Id.btnBDConfirm); Btncfm.click + = (sender, args) + = {try {V Ar serviceName = findviewbyid<textview> (Resource.Id.lblBdServiceName).         Text;               var selectdate = findviewbyid<textview> (Resource.Id.lblBDDate).                        Text; var selecttime = findviewbyid<textview> (Resource.Id.lblBDTime).                        Text; var selecteddatetime = DateTime.Parse (string. Format ("{0} {1}", Selectdate, Selecttime)).                        ToString (); var msg = string.                        Format ("Confirm booking service ' {0} ' at {1}?", ServiceName, Selecteddatetime); This.                                Showdlgyesno (MSG, "Booking confirmation", (s, arg) + = { This.                                Showalert ("Call API book"); This.                            Gotoacticity<mainactivity> ();                             }, (s, arg) = = {//Do nothing                    });      } catch (Exception ex) {                  This. Showalert (ex.                    Message);            }                                    }; } catch (Exception ex) {this. Showalert (ex.            Message); }} private void Updatedisplaytime () {string time = string. Format ("{0}:{1}", hour, minute. ToString ().            PadLeft (2, ' 0 '));        Timedisplay.text = time; private void Updatedisplaydate () {datedisplay.text = date.        ToString ("D"); private void Timepickercallback (object sender, Timepickerdialog.timeseteventargs e) {hour = E.            Hourofday;            minute = E.minute;        Updatedisplaytime ();            } void Ondateset (object sender, Datepickerdialog.dateseteventargs e) {this.date = e.date;        Updatedisplaydate ();         } protected override Dialog Oncreatedialog (int id) {if (id = = time_dialog_id)   {return new Timepickerdialog (this, timepickercallback, hour, minute, false); } if (id = = date_dialog_id) {var dlg = new Datepickerdialog (this, Ondateset, ServerD                Atetime.year, Serverdatetime.month-1, Serverdatetime.day);            return dlg;        } return null; }    }

Developing Android Apps with C # + Xamarin-Datetime picker