如何在Xcode中为我的tableview添加上边距？
发布时间：2020-12-14 18:59:24 所属栏目：百科 来源：网络整理
导读：我正在尝试在表格视图的第一个单元格的顶部添加图像.如何让表格视图有一个上边距？现在,图像只是与tableview重叠.我试图让表格视图稍微下降.我不想让它变小或类似的东西.我只想在tableview的顶部添加一个按钮. //// usersVC.swift// CaastRun//// Created by
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我正在尝试在表格视图的第一个单元格的顶部添加图像.如何让表格视图有一个上边距？现在,图像只是与tableview重叠.我试图让表格视图稍微下降.我不想让它变小或类似的东西.我只想在tableview的顶部添加一个按钮.
//
// usersVC.swift
// CaastRun
//
// Created by Computer on 5/23/15.
// Copyright (c) 2015 Caast. All rights reserved.
//
import UIKit
class usersVC: UIViewController,UITableViewDataSource,UITableViewDelegate {
@IBOutlet weak var resultsTable: UITableView!
var resultsNameArray = [String]()
var resultsUserNameArray = [String]()
var resultsImageFiles = [PFFile]()
override func viewDidLoad() {
super.viewDidLoad()
let theWidth = view.frame.size.width
let theHeight = view.frame.size.height
resultsTable.frame = CGRectMake(0,theWidth,theHeight)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
override func viewDidAppear(animated: Bool) {
resultsNameArray.removeAll(keepCapacity: false)
resultsUserNameArray.removeAll(keepCapacity: false)
resultsImageFiles.removeAll(keepCapacity: false)
var query = PFUser.query()
query!.whereKey("username",notEqualTo: PFUser.currentUser()!.username!)
query!.findObjectsInBackgroundWithBlock {
(objects:[AnyObject]?,error:NSError?) -> Void in
if error == nil {
for object in objects! {
self.resultsNameArray.append(object.objectForKey("profileName") as! String)
self.resultsImageFiles.append(object.objectForKey("photo") as! PFFile)
self.resultsUserNameArray.append(object.objectForKey("username") as! String)
self.resultsTable.reloadData()
}
}
}
}
func tableView(tableView: UITableView,numberOfRowsInSection section: Int) -> Int {
return resultsNameArray.count
}
func tableView(tableView: UITableView,heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return 64
}
func tableView(tableView: UITableView,cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
var cell:usersCell = tableView.dequeueReusableCellWithIdentifier("Cell") as! usersCell
cell.profileLbl.text = self.resultsNameArray[indexPath.row]
cell.usernameLbl.text = self.resultsUserNameArray[indexPath.row]
var query = PFQuery(className: "follow")
query.whereKey("user",equalTo: PFUser.currentUser()!.username!)
query.whereKey("userToFollow",equalTo: cell.usernameLbl.text!)
query.countObjectsInBackgroundWithBlock {
(count:Int32,error:NSError?) -> Void in
if error == nil {
if count == 0 {
cell.followBtn.setTitle("Follow",forState: UIControlState.Normal)
} else {
cell.followBtn.setTitle("Following",forState: UIControlState.Normal)
}
}
}
self.resultsImageFiles[indexPath.row].getDataInBackgroundWithBlock {
(imageData:NSData?,error:NSError?) -> Void in
if error == nil {
let image = UIImage(data: imageData!)
cell.imgView.image = image
}
}
return cell
}
@IBOutlet weak var searchText: UITextField!
@IBAction func searchButton(sender: AnyObject) {
resultsNameArray.removeAll(keepCapacity: false)
resultsUserNameArray.removeAll(keepCapacity: false)
resultsImageFiles.removeAll(keepCapacity: false)
var query = PFUser.query()
query!.whereKey("username",notEqualTo: PFUser.currentUser()!.username!)
query!.whereKey("profileName",containsString: self.searchText.text)
query!.findObjectsInBackgroundWithBlock {
(objects:[AnyObject]?,error:NSError?) -> Void in
if error == nil {
for object in objects! {
self.resultsNameArray.append(object.objectForKey("profileName") as! String)
self.resultsImageFiles.append(object.objectForKey("photo") as! PFFile)
self.resultsUserNameArray.append(object.objectForKey("username") as! String)
self.resultsTable.reloadData()
}
}
}
}
}
解决方法
我不确定我是否理解你的问题,如果你试图在你的表和视图之间有一个余地试试这个：
斯威夫特3 self.tableView.contentInset = UIEdgeInsets(top: 20,left: 0,bottom: 0,right: 0) 斯威夫特2 self.tableView.contentInset = UIEdgeInsetsMake(20,0); （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |