Facebook will not allow developers pre-fill messages. Developers may customize the story by providing OG meta tags, but it's up to the user to fill the message. This is only possible if you are posting on the user's behalf, which requires the user authorizing your application with the publish_actions permission. AND even then:
Learn how to create a Facebook share link without using JavaScript, including tips and solutions for effective sharing.
I want to add facebook share button on my website, that should just post my website's content on the wall. Can anyone help me?
How to add facebook share button on my website? - Stack Overflow
from my Android app, I would like to open a link to a Facebook profile in the official Facebook app (if the app is installed, of course). For iPhone, there exists the fb:// URL scheme, but trying the
6 For my application I need to embed Facebook page in an iframe, here is the html code: ... But it does not work, any idea why and how to circumvent ?
How to embed a facebook page in an iframe? - Stack Overflow
In the facebook developers console for your app, go to App Review-> Permissions and Features. Set the public_profile and email to have advanced access. This will allow all facebook users to have access and these two settings are auto granted. Ensure the Access Level indicates Advanced Access