IOS 点击按钮唤醒键盘 swift 版
swift 版
protocol keyBoardViewDelegate {
func uploadMessage(text:String)
}
class FZKeyBoardView: UIView,UITextViewDelegate {
var delegate:keyBoardViewDelegate?
var placeholderText:String?{
didSet{
placeholderLabel.text = placeholderText
}
}
varbackView:UIView= {
letbackView =UIView.init(frame:CGRect(x:0, y:0, width:Screen_Width, height:43))
backView.backgroundColor= .white
returnbackView
}()
vartextView:UITextView= {
lettextView =UITextView.init(frame:CGRect(x:0, y:0, width:Screen_Width-64, height:43))
textView.backgroundColor= .white
textView.font= .systemFont(ofSize:16)
returntextView
}()
varsendButton:UIButton= {
letsend =UIButton.init(frame:CGRect(x:Screen_Width-64, y:0, width:64, height:43))
send.backgroundColor = .gray
send.setTitle("发送", for: .normal)
send.isUserInteractionEnabled = false
send.titleLabel!.font= .systemFont(ofSize:16)
returnsend
}()
var emptyButton:UIButton = {
letsend =UIButton.init(frame:CGRect(x:Screen_Width-64, y:0, width:64, height:43))
send.backgroundColor = .clear
returnsend
}()
var placeholderLabel:UILabel = {
letLabel =UILabel.init(frame:CGRect(x:10, y:0, width:Screen_Width-74, height:40))
Label.textColor= .gray
returnLabel
}()
overrideinit(frame:CGRect) {
super.init(frame: frame)
//背景View
self.addSubview(backView)
emptyButton.addTarget(self, action:#selector(closeIputView), for: .touchUpInside)
self.addSubview(emptyButton)
textView.delegate=self
textView.inputAccessoryView = UIView.init()
backView.addSubview(textView)
backView.addSubview(placeholderLabel)
sendButton.addTarget(self, action:#selector(sendButtonClick), for: .touchUpInside)
backView.addSubview(sendButton)
NotificationCenter.default.addObserver(self, selector: #selector(keyBoardWillShowAction), name: UIResponder.keyboardWillShowNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyBoardWillHidenAction), name: UIResponder.keyboardWillHideNotification, object: nil)
}
@objcfunckeyBoardWillShowAction(notification:Notification){
self.frame=CGRect(x:0, y:0, width:Screen_Width, height:Screen_Height)
letkeyboardSize = (notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey]as?NSValue)?.cgRectValue
letHeight = keyboardSize?.size.height
self.backView.frame=CGRect(x:0, y:Screen_Height-43-Height!, width:Screen_Width, height:43)
self.emptyButton.frame=CGRect(x:0, y:0, width:Screen_Width,height:Screen_Height-43-Height!);
}
@objc func keyBoardWillHidenAction(){
self.frame=CGRect(x:0, y:Screen_Height, width:Screen_Width, height:Screen_Height)
}
@objc func closeIputView(){
self.textView .resignFirstResponder()
}
@objc func sendButtonClick(){
self.delegate?.uploadMessage(text: self.textView.text)
self.textView.text=""
self.textView .resignFirstResponder()
self.sendButton.backgroundColor = .gray
self.sendButton.isUserInteractionEnabled = false
}
functextViewDidChange(_textView:UITextView) {
iftextView.text.count==0{
self.placeholderLabel.text = placeholderText
self.sendButton.backgroundColor = .gray
self.sendButton.isUserInteractionEnabled = false
}else{
self.placeholderLabel.text=""
self.sendButton.isUserInteractionEnabled = true
self.sendButton.backgroundColor= .red
}
}
requiredinit?(coder:NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
