title: How to launch Telegram app from my own android application?
body: <p>I have an android app that should be able to open a chat in the telegram app by pressing a button.<br>
  I want to open an existing robot chat page DIRECTLY from my app. I have a valid token for my robot. How can this be achieved?</p>
  
  <p>Thanks in advance.</p>
  
  <p>robot name : @InfotechAvl_bot</p>
  
  <p>robot token: 179284***********</p>
  
  <pre><code>   //-------------
      case ContentFragment.lMenuTelegram:
       Intent LaunchIntent=getPackageManager().getLaunchIntentForPackage("org.telegram.messenger");
       startActivity(LaunchIntent);
              break;
  </code></pre>