can-present-dialog.md

#.canPresentDialog(info)

This method is to determine if the device is capable of presenting the particular dialog, as documented in dialog doc. These dialogs this method can check include:

• The Share Dialog
• The Message Dialog

If it is capable, it returns true, otherwise it returns false.

##Parameters

plugin.FacebookAgent.prototype.canPresentDialog = function(info){}

Name	Type	Required	Description
info	Object	Yes	The dialog info as the one which will be passed in the dialog API.

###Dialog types:

Value	Dialog type
shareLink	Share Dialog for sharing a link
sharePhoto	Share Dialog for sharing a photo
shareOpenGraph	Share Dialog for sharing a structured Open Graph story
messageLink	Message Dialog for messaging a link to friends
messagePhoto	Message Dialog for messaging a photo to friends
messageOpenGraph	Message Dialog for messaging an Open Graph story to friends

##Example

facebook = plugin.FacebookAgent.getInstance();

var map = {
    "dialog": "shareLink",
    "link": "http://www.cocos2d-x.org"
};

if ( facebook.canPresentDialog(map) ) {
    facebook.dialog(map, function(errorCode, msg) {
        cc.log("The 'shareLink' dialog can be presented.");
        // ...
    });
} else {
    cc.log("The 'shareLink' dialog can not be presented, fallback to feed dialog.");
    map["dialog"] = "feedDialog";
    facebook.dialog(map, function(errorCode, msg){
        // ...
    });
}