Standard ShareDialog can only send ShareLinkContent but not ShareMediaContent

Question

While using standard ShareDialog the app can only send ShareLinkContent but not ShareMediaContent.

According to the description the app should send both.

ShareDialog.canShow(ShareLinkContent.class)

result=true

ShareDialog.canShow(ShareMediaContent.class)

result=false

Answer 1

ShareDialog.canShow(ShareLinkContent.class)

always return true regardless theirs facebook app installed

ShareDialog.canShow(ShareMediaContent.class)

only return true if their facebook app installed