How to set a minimum and maximum limit for a date picker in android? -

i'm working on app in i'm using custom date , time picker. i've created dialog box , inside i'm showing date , time picker respectively want set minimum , maximum limit date picker. such 1 should not able select previous date today , not more month ahead. code

  alertdialog.builder builder = new alertdialog.builder(getactivity());             final datepicker picker = new datepicker(getactivity());             try {                 field f[] = picker.getclass().getdeclaredfields();                 (field field : f) {                     if (field.getname().equals("myearpicker") || field.getname().equals("myearspinner")) {                         field.setaccessible(true);                         object yearpicker = new object();                         yearpicker = field.get(picker);                         ((view) yearpicker).setvisibility(view.gone);                     }                 }             } catch (exception ex) {                 ex.printstacktrace();             }             picker.setcalendarviewshown(false);             picker.setmindate(new  date().gettime());              builder.settitle("please select date on leaving :")                     .setview(picker)                     .setpositivebutton("ok",                             new dialoginterface.onclicklistener() {                                 public void onclick(dialoginterface dialog, int whichbutton) {                                     simpledateformat parseformat = new simpledateformat("eee dd mmm");                                     date date1 = new date();                                     date1.setdate(picker.getdayofmonth());                                     date1.setmonth(picker.getmonth());                                     final string s = parseformat.format(date1);                                     log.e("date", s);                                     simpledateformat sdf=new simpledateformat("mm-dd-yyyy");                                     date date2=new date();                                     date2.setdate(picker.getdayofmonth());                                     date2.setmonth(picker.getmonth());                                     final string s2=sdf.format(date2);                                       //time picker                                     alertdialog.builder builder = new alertdialog.builder(getactivity());                                     final timepicker picker = new timepicker(getactivity());                                     picker.setis24hourview(true);                                     builder.settitle("please select time @ leaving :")                                             .setview(picker)                                             .setpositivebutton("ok",                                                     new dialoginterface.onclicklistener() {                                                         public void onclick(dialoginterface dialog, int whichbutton) {                                                             int hour = picker.getcurrenthour();                                                             int minute = picker.getcurrentminute();                                                             leaving.settextsize(14);                                                              leaving.settext(s + " " + hour + ":" + minute);                                                             intime=s2+" "+hour+":"+minute;                                                             log.e("intime ",intime);                                                         }                                                     })                                             .setnegativebutton("cancel", new dialoginterface.onclicklistener() {                                                 public void onclick(dialoginterface dialog, int whichbutton) {                                                     leaving.settext("");                                                     intime="";                                                     dialog.dismiss();                                                 }                                             }).create().show();                                     //time picker                                 }                             }                     )                     .setnegativebutton("cancel",                             new dialoginterface.onclicklistener() {                                 public void onclick(dialoginterface dialog, int whichbutton) {                                     leaving.settext("");                                     intime="";                                     dialog.dismiss();                                 }                             }                     )                     .create().show(); 

please help. thank you

try this, shows today next 5 year date in datepicker dialog.

public class mainactivity extends activity {      textview txtdatepicker;     calendar cal,cal1;     long maxdate;     date date;      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);          cal = calendar.getinstance();         cal1 = calendar.getinstance();          txtdatepicker = (textview) findviewbyid(r.id.txtdatepicker);         txtdatepicker.setonclicklistener(new onclicklistener() {              @override             public void onclick(view arg0) {                 // todo auto-generated method stub                 datepickerdialog dialog = new datepickerdialog(mainactivity.this, new ondatesetlistener() {                      @override                     public void ondateset(datepicker arg0, int arg1, int arg2, int arg3) {                         // todo auto-generated method stub                         toast.maketext(mainactivity.this, ""+arg1+"/"+(arg2+1)+"/"+arg3, toast.length_short).show();                     }             }, cal.get(calendar.year), cal.get(calendar.month), cal.get(calendar.day_of_month));             dialog.getdatepicker().setmindate(system.currenttimemillis());             cal1.add(calendar.year, 5);             dialog.getdatepicker().setmaxdate(cal1.gettimeinmillis());             dialog.show();         }     });   } }