Default Sharing Dialog

As an alternative, you can show a standard sharing dialogue box, and let the user decide where to post on his own. The sharing dialogue will look similar to the screenshots below:

skitch.pngskitch.png

API calls example are posted bellow:

UM_ShareUtility.ShareMedia("This is my text to share");
UM_ShareUtility.ShareMedia("This is my text to share", ImageToShare);