小编Bro*_*ckE的帖子

func refreshResults() {

    let theWidth = view.frame.size.width
    let theHeight = view.frame.size.height

    messageX = 37.0
    messageY = 26.0

    messageArray.removeAll(keepCapacity: false)
    senderArray.removeAll(keepCapacity: false)

    let innerP1 = NSPredicate(format: "sender = %@ AND other = %@", userName, otherName)
    var innerQ1: PFQuery = PFQuery(className: "Messages", predicate: innerP1)

    let innerP2 = NSPredicate(format: "sender = %@ AND other = %@", otherName, userName)
    var innerQ2: PFQuery = PFQuery(className: "Messages", predicate: innerP2)

    var query = PFQuery.orQueryWithSubqueries([innerQ1, innerQ2] )
    query.addAscendingOrder("createdAt")
    query.findObjectsInBackgroundWithBlock {
    (objects:[AnyObject]?, error:NSError?) -> Void in // this is …