java - issue with alert dialog box, due to it not recognizing the initiation of the alert box -

i trying create dialog box show when image clicked there seems few issues code. code shown below. have done import dialog box doesn't seem work there error when initiating new dialog box.

 imagebutton ib = (imagebutton)findviewbyid(r.id.imagebutton1);     ib.setonclicklistener(new view.onclicklistener() {          @override         public void onclick(view v) {              alertdialog ad = new alertdialog.builder(this)             .setmessage("blah blah blah.\n fine pring.\n accept our terms , conditions?")             .seticon(r.drawable.ic_launcher)             .settitle("terms of service")             .setneutralbutton("back", this)             .setcancelable(false)             .create();              ad.show();         }     }); 

the problem reference this on line

alertdialog ad = new alertdialog.builder(this) 

is referring anonymous inner class view.onclicklistener not extend context. so, above your

ib.setonclicklistener(new view.onclicklistener() { 

put effect of

final context context = this; 

and change aforemention builder call read

alertdialog ad = new alertdialog.builder(context) 

i.e.

imagebutton ib = (imagebutton)findviewbyid(r.id.imagebutton1); final context context = this; ib.setonclicklistener(new view.onclicklistener() {      @override     public void onclick(view v) {          alertdialog ad = new alertdialog.builder(context)         .setmessage("blah blah blah.\n fine pring.\n accept our terms , conditions?")         .seticon(r.drawable.ic_launcher)         .settitle("terms of service")         .setneutralbutton("back", this)         .setcancelable(false)         .create();          ad.show();     } }); 

and making (perhaps lofty) assumption that block of code indeed reside within class in fact extend context.