AppCompact Set Fullscreen Theme No ActionBar No TitleBar

styles.xml

<!-- You can set this on your style.xml --> 
<resources>
<style name="Theme.AppCompat.Light.NoActionBar.FullScreen" parent="@style/Theme.AppCompat.Light">
    <item name="android:windowNoTitle">true</item>
    <item name="windowActionBar">false</item>
    <item name="android:windowFullscreen">true</item>
    <item name="android:windowContentOverlay">@null</item>
</style>
</resources>

<!-- Another way you can put in your java class what you want to set fullscreen--> 
requestWindowFeature(Window.FEATURE_NO_TITLE);
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
		                                WindowManager.LayoutParams.FLAG_FULLSCREEN);