android - Facebook LoginButton inside Dialog -

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i'm working facebook sdk. i'm adding facebook loginbutton inside dialog, when click it, request doesn't work.

public class startsfragment extends fragment {

classicbutton classicbutton; dialog dialog; @override public view oncreateview(layoutinflater inflater, viewgroup container,         bundle savedinstancestate) {     view view = inflater.inflate(r.layout.starts_fragment, container, false);      final fragment startsfragment;     startsfragment = this;      button joinus = (button) view.findviewbyid(r.id.joinus);     joinus.setonclicklistener(new onclicklistener() {          @override         public void onclick(view v) {              dialog = new dialog(getactivity(), r.style.userloginregisterdialog);             dialog.setcontentview(r.layout.login_dialog_fragment);              loginbutton lb = (loginbutton) dialog.findviewbyid(r.id.authbutton);             lb.setfragment(getparentfragment());             lb.setreadpermissions(arrays.aslist("email","user_birthday"));              dialog.show();                dialog.getwindow().setsoftinputmode(windowmanager.layoutparams.soft_input_state_always_hidden); }); return view; }

and see log,

{session state:opening, token:{accesstoken token:access_token_removed permissions:[]}, appid:******}

why couldn't see permission request ? , why response every time null session?

best regards,


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