You hide action bar by with different ways. 1.action bar hidden through the manifest xml file (non Java Programming), then the easy way is to add the following attribute in Activity tag:

How I can remove Action Bar on specific activity not for all application, for example I have Sign Up activity and for this activity I want to remove Action Bar java android android-activity android-actionbar

Hide Action Bar from entire App using styles.xml: If you want to hide Action Bar from the entire application (from all Activities and fragments), then you can use this method. Just go to res->values->styles.xml and change the base application to “