How to hide the title bar for an Activity in XML with existing custom theme

Question

I want to hide the titlebar for some of my activities. The problem is that I applied a style to all my activities, therefore I can\'t simply set the theme to @android:

Answer 1

In your onCreate method, use the following snippet:

this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);