android - time picker dialog is not displaying, give Fathal Exception? -

i want add fields dynamically, when click add button add row exittext,settime button,remove button. when click remove button row removed ok, problem when click set time button give fatal exception, dialog not displayed. please check code. have problem @ settime button in code. when click button unfortunately closed.

                      addmore.setonclicklistener(new onclicklistener() {          @suppresslint("inflateparams")         @override         public void onclick(view v) {             // todo auto-generated method stub             layoutinflater layoutinflater =                        (layoutinflater) getbasecontext().getsystemservice(context.layout_inflater_service);                     final view addview = layoutinflater.inflate(r.layout.row, null);                     final edittext detext=(edittext)addview.findviewbyid(r.id.txt_dynamic);                      // button settime in row                     final button settimebtn=(button)addview.findviewbyid(r.id.settime);                     settimebtn.setonclicklistener(new onclicklistener() {                          @override                         public void onclick(view v) {                             // todo auto-generated method stub                             //**************************                                   // process current time                                 final calendar c = calendar.getinstance();                                 mhours = c.get(calendar.hour_of_day);                                 mminitue = c.get(calendar.minute);                                  // launch time picker dialog                                timepickerdialog tpdynamic=new timepickerdialog(getapplicationcontext(), new timepickerdialog.ontimesetlistener() {                                  @override                                 public void ontimeset(timepicker view, int hourofday, int minute) {                                     // todo auto-generated method stub                                     detext.settext(hourofday + ":" + minute);                                 }                             } , mhours, mminitue, false);                                        tpdynamic.show();                             }                             //**************************                      });                      //button remove                     button remove=(button)addview.findviewbyid(r.id.remove);                     remove.setonclicklistener(new onclicklistener() {                          @override                         public void onclick(view v) {                             // todo auto-generated method stub                              ((linearlayout)addview.getparent()).removeview(addview);                         }                     });                     container.addview(addview, 0);         }     });         

my logcat :

11-19 17:06:06.010: e/androidruntime(15357): fatal exception: main 11-19 17:06:06.010: e/androidruntime(15357): android.view.windowmanager$badtokenexception: unable add window -- token null not application 11-19 17:06:06.010: e/androidruntime(15357): @ android.view.viewrootimpl.setview(viewrootimpl.java:571) 11-19 17:06:06.010: e/androidruntime(15357): @ android.view.windowmanagerglobal.addview(windowmanagerglobal.java:246) 11-19 17:06:06.010: e/androidruntime(15357): @ android.view.windowmanagerimpl.addview(windowmanagerimpl.java:69) 11-19 17:06:06.010: e/androidruntime(15357): @ android.app.dialog.show(dialog.java:281) 11-19 17:06:06.010: e/androidruntime(15357): @ com.example.medicine.medicinehomeactivity$1$1.onclick(medicinehomeactivity.java:89) 11-19 17:06:06.010: e/androidruntime(15357): @ android.view.view.performclick(view.java:4217) 11-19 17:06:06.010: e/androidruntime(15357): @ android.view.view$performclick.run(view.java:17368) 11-19 17:06:06.010: e/androidruntime(15357): @ android.os.handler.handlecallback(handler.java:725) 11-19 17:06:06.010: e/androidruntime(15357): @ android.os.handler.dispatchmessage(handler.java:92) 11-19 17:06:06.010: e/androidruntime(15357): @ android.os.looper.loop(looper.java:137) 11-19 17:06:06.010: e/androidruntime(15357): @ android.app.activitythread.main(activitythread.java:5039) 11-19 17:06:06.010: e/androidruntime(15357): @ java.lang.reflect.method.invokenative(native method) 11-19 17:06:06.010: e/androidruntime(15357): @ java.lang.reflect.method.invoke(method.java:511) 11-19 17:06:06.010: e/androidruntime(15357): @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:793) 11-19 17:06:06.010: e/androidruntime(15357): @ com.android.internal.os.zygoteinit.main(zygoteinit.java:560) 11-19 17:06:06.010: e/androidruntime(15357): @ dalvik.system.nativestart.main(native method)

try using

    layoutinflater layoutinflater = (layoutinflater)youractivityname.this.getsystemservice(context.layout_inflater_service); 

instead of

    layoutinflater layoutinflater = (layoutinflater) getbasecontext().getsystemservice(context.layout_inflater_service);