android - My Activity is crashing my app -

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in app activity crashing when trying read text edittext , displaying onto activity.

here code getting text edittext:

intent intent = new intent(this, currenthomework.class);        edittext edittext = (edittext) findviewbyid(r.id.homedue);         string message = edittext.gettext().tostring();         intent.putextra(extra_message, message);

here code getting text string , putting on textview:

@override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     intent intent = getintent();     string message = intent.getstringextra(addnewhomework.extra_message);     textview textview = (textview) findviewbyid(r.id.textview99);     textview.settext(message);

to clarify shadab's answer, ensure prefix layout id r.layout, reads:

@override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_name_here);              intent intent = getintent();     string message = intent.getstringextra(addnewhomework.extra_message);     textview textview = (textview) findviewbyid(r.id.textview99);     textview.settext(message); }

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