To post or interact with Facebook from a mobile app, a Facebook app that corresponds to the mobile app must first be created.
Log in to https://developers.facebook.com/apps using a Facebook account that you want to have ownership of the app.
Select the button + Create New App, as shown in Figure 15.6. Enter values for App Name and App Namespace. Clicking the question mark icon next to any field will provide additional details.
After a new Facebook App has been created (see Figure 15.7), copy down the App ID number. Browse through ...