我确信这并不困难,但我无法使用textview而不是文本字段查找有关如何使用return/done键解除键盘的信息.这是我到目前为止尝试过的(与文本字段一起使用.)
非常感谢您的任何帮助!
// PostTravelQuestion.swift
class PostTravelQuestion: UIViewController, UITextViewDelegate {
@IBAction func closepostpage(sender: AnyObject) {
dismissViewControllerAnimated(true, completion: nil)
}
@IBOutlet var postquestion: UITextView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
postquestion.delegate = self
}
self addDoneToolBarToKeyboard:self.textView
/*func textViewShouldEndEditing(textView: UITextView) -> Bool {
textView.resignFirstResponder()
return true
}*/
/*override func touchesBegan(touches: NSSet, withEvent event: UIEvent) {
postquestion.resignFirstResponder()
self.view.endEditing(true)
}*/
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func textViewShouldReturn(textView: …Run Code Online (Sandbox Code Playgroud) 我有一个关于在iOS应用程序中在屏幕顶部实现自定义可滚动标签栏的问题.我正在寻找一个非常类似于vevo app的标签栏(如下图所示).我已经检查了这个滚动标签栏(https://github.com/vermontlawyer/JFATabBarController),但是想将它移到顶部,当我编辑源代码时它似乎很麻烦...我假设我不能使用标准tabbarcontroller,但必须使自定义标签栏....正确吗?我如何在屏幕顶部创建自定义滚动标签栏?
非常感谢您的任何反馈!

我试图在用户点击按钮后实施更新Firebase数据库.当用户登录时(在我的情况下使用Facebook),可以使用创建的数据树中的初始值成功创建数据结构.
我想要实现的是,一旦用户进入应用程序并且他们创建了一个新项目,它将其保存到数据库中,从而更新已创建的子值之一下的值.请参阅我的代码和屏幕截图以供参考 - 感谢您的帮助!
// user taps button to send item to be updated in Firebase data tree
func confirmAddPlace() {
// add place to tableview array
let accessToken = FBSDKAccessToken.current()
guard let accessTokenString = accessToken?.tokenString else { return }
let credentials = FIRFacebookAuthProvider.credential(withAccessToken: accessTokenString)
FIRAuth.auth()?.signIn(with: credentials, completion: { (user, error) in
if error != nil {
print("Something went wrong with our FB user: ", error ?? "")
return
}
guard let uid = user?.uid else {
return
}
// …Run Code Online (Sandbox Code Playgroud) 我在一个控制器中有4个不同的collectionViews,在第一个collectionView中,我想显示3个不同的单元格。在下面的代码中,该应用程序不会崩溃,但在第一个indexPath.item为0的情况下,仅加载0:(“ cellId”)。它不会加载其他两种情况。在此先感谢您的帮助!
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
if indexPath.item == 0 {
switch indexPath.item {
case 0:
return collectionView.dequeueReusableCell(withReuseIdentifier: "cellId", for: indexPath)
default:
return collectionView.dequeueReusableCell(withReuseIdentifier: "cellId4", for: indexPath)
}
} else if indexPath.item == 1 {
return collectionView.dequeueReusableCell(withReuseIdentifier: "cellId2", for: indexPath)
} else if indexPath.item == 2 {
return collectionView.dequeueReusableCell(withReuseIdentifier: "cellId3", for: indexPath)
} else {
let myCell = collectionView.dequeueReusableCell(withReuseIdentifier: "cellId", for: indexPath)
return myCell
}
}
Run Code Online (Sandbox Code Playgroud)
// 2个collectionView单元格-每个单元格中只有一个部分
// //单元格1-collectionViewController中带有reuseIdentifier“ cellId”
class TravelGuideHomeCellForStats: BaseHomeCell, …Run Code Online (Sandbox Code Playgroud) switch-statement uicollectionview uicollectionviewcell swift indexpath
我试图以编程方式在导航栏中插入分段控件,并且在导航栏中加载分段控制器时遇到一些问题.我确信这很简单,但请参阅下面的代码.提前致谢!
var segmentedController: UISegmentedControl!
override func viewDidLoad() {
super.viewDidLoad()
navigationItem.titleView = segmentedController
let items = ["Label A", "Label B"]
segmentedController = UISegmentedControl(items: items)
navigationItem.leftBarButtonItem = UIBarButtonItem(title: "Sign Out", style: .plain, target: self, action: #selector(handleSignOut))
navigationItem.leftBarButtonItem?.tintColor = UIColor.black
}
Run Code Online (Sandbox Code Playgroud) 因此,我遇到了阻止发送垃圾邮件的自定义PHP联系表单的问题.我添加了Google ReCaptcha并添加了一个函数来检查是否已填写隐藏字段然后不发送消息.但我的客户仍然收到垃圾邮件.客户端最近也从HubSpot迁移了代码,我想知道是否可能存在我缺少的小部件中构建的内容.我是PHP的新手所以请原谅任何新手的错误:).在此先感谢您的帮助!
HTML表格:
<div class="contact-form">
<form id="contact-form" method="post" action="contact-form-handler.php">
<input name="companyname" type="text" id="companyName" placeholder=" Company Name" required>
<input name="name" type="text" id="contactName" placeholder=" Contact Person" required>
<input name="email" type="email" id="Email" placeholder=" Your Email" required>
<p class="antispam">Leave this empty: <input type="text" name="url" /></p>
<input type="tel" id="Phone" name="Phone" placeholder=" Phone Number" required>
<textarea name="message" class='form-control' placeholder=" Write your message here..." style="white-space:pre-wrap; height:200px;width:500px;" row="4" required></textarea>
<div class="g-recaptcha" data-sitekey="6LcqLWkUA2AAADEMnsD4sZEj4BqmqGhx8CN5Hhqf" data-callback="recaptcha_callback"></div>
<input type="submit" id="submit_btn" name="submit_form" value="SEND MESSAGE" onclick="myFunction()" disabled>
</form>
</div>
Run Code Online (Sandbox Code Playgroud)
PHP处理程序
if (isset($_POST['submit_form'])) {
$name …Run Code Online (Sandbox Code Playgroud) swift ×4
ios ×2
contact-form ×1
firebase ×1
form-submit ×1
indexpath ×1
php ×1
recaptcha ×1
scrollbar ×1
tabbar ×1
uikeyboard ×1
uitextview ×1
xcode ×1
xcode6 ×1