Navigating to aother app activity (not landing page of other activity) by my app

[AC Question]

I building a android app in which I want to open other app activity (not landing page of other activity) which is not have the intent-filter in manifestfile of other app so please anybody tell me how to do
now I am using below code to goto new app
Intent launchIntent = getPackageManager().getLaunchIntentForPackage("net.one97.paytm");
if (launchIntent != null) {
startActivity(launchIntent);

please give another code to solve my query thank you.

 

[FSP Devs]

Try to add this before startActivity:

launchIntent.addCategory(Intent.CATEGORY_LAUNCHER);