title: Facebook/Gmail/Whatsapp/Twitter deep linking in Android
body: <p>I could not find a specific solution. please give me step by step solution so that i can integrate the deep linking of Facebook, Gmail, Twitter and Whatsapp. i have applied the library of google play services and facebook sdk and also unable deep linking in my account but i did not find the code for make my app link. please give me solution. Thank you    </p>