Android Snackbar NullPointerException in Fragment -


i want add basic snackbar application have received error couldn't figure out why.

i added code in oncreateview() method in fragment.

snackbar.make(view, "snackbar", snackbar.length_long)             .setaction("action", null).show();

and received error:

06-01 10:26:09.955    1232-1232/? e/activitythread﹕ failed find provider  info me.muraterdogan.watchme.metricacontentprovider 06-01 10:26:10.075    1232-1447/? e/activitythread﹕ failed find provider info me.muraterdogan.watchme.yplcontentprovider 06-01 10:33:55.044    6646-6646/? e/androidruntime﹕ fatal exception: main process: me.muraterdogan.watchme, pid: 6646 java.lang.nullpointerexception: attempt invoke virtual method 'android.content.context android.view.viewgroup.getcontext()' on null object reference         @ android.support.design.widget.snackbar.<init>(snackbar.java:116)         @ android.support.design.widget.snackbar.make(snackbar.java:140)         @ me.muraterdogan.watchme.fragments.trendingfragment.getdata(trendingfragment.java:90)         @ me.muraterdogan.watchme.fragments.trendingfragment.oncreateview(trendingfragment.java:83) ...

if fragment added existing activity(remember can add through xml), should call snackbar's method onactivitycreated() method of fragment.

@override public void onactivitycreated(bundle savedinstancestate) {     super.onactivitycreated(savedinstancestate);     snackbar.make(view, "snackbar", snackbar.length_long)         .setaction("action", null).show(); }

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