android - RuntimeException: Unable to start activity when requesting action bar -


i getting following warning , exception:

illegalstateexception activity has action bar supplied window decor. not request window.feature_action_bar , set windowactionbar false in theme use toolbar instead.

runtimeexception: unable start activity componentinfo{com.mdinfosystem.mymobileapp/com.mdinfosystem.mymobileapp.bill_payment}: java.lang.illegalstateexception: activity has action bar supplied window decor. not request window.feature_action_bar , set windowactionbar false in theme use toolbar instead.

if using toolbar, specify theme.appcompat.noactionbaras parent in activity's styles.xml. , in activity use this:

toolbar toolbar = (toolbar) findviewbyid(r.id.toolbar);     setsupportactionbar(toolbar);

note: activity should extend appcompatactivity


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