android call without show dialing UI?
<p>I am making an application that make call but I need a help to make the call without showing the Dialing interface, for example if I pressed on button call it will make the call but stay on the same location:</p>

<p>this is my application interface:</p>

<p><a href="https://i.stack.imgur.com/NniR7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NniR7.png" alt="enter image description here"></a></p>

<p>I don't need this dialing interface when pressing any button from my previous image what I need is to make a hidden call process:</p>

<p><a href="https://i.stack.imgur.com/p2g1i.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/p2g1i.png" alt="enter image description here"></a></p>