Here we show how to create a Facebook application and get the App ID And App Secret. In this example, we are creating a Facebook application for use with our app for Android. But the creation of Facebook applications and connect to the Web site is not much different.
2.) Click -> Add a new App
3.) Click -> advanced setup
4.) Enter the name of the application and select a category. Click -> Create App Id
5.) Choose a section Settings. Click -> Add Platform
6.) Select -> Android
7.) Enter: Contact Email, Google Play Package Name, Class Name, Key Hashes. Click -> Save Changes
8.) Choose a section Status & Review. Click on the the switch to allow access to the public
9.) Choose a section Dashboard. Here you can see the App ID And App Secret. The application is ready for use.