How to disable background screen
<p>I have a LinearLayout A which is set inside onCreate() method by setContentView(), However i am creating a PopUp at runtime in same activity which is also a LinearLayout B, PopUp placed just bottom of the screen/activity, I want to to disable the background screen so that no touch/tap/click work.</p>

<p>How can i do that. </p>

<p>Thanks</p>
