import UIKit
import AddressBookUI //联系人
import ContactsUI //9.0以后推荐使用
class ViewController: UIViewController,UITextViewDelegate, UINavigationControllerDelegate,CNContactPickerDelegate,ABPeoplePickerNavigationControllerDelegate,
UIImagePickerControllerDelegate,UITableViewDelegate,UITableViewDataSource{
@IBOutlet weak var contentText: UITextView!
//底部view的高度约束
@IBOutlet weak var bottomHeightLayout: NSLayoutConstraint!
//UITextView的高度约束
@IBOutlet weak var textHeightLayout: NSLayoutConstraint!
//底部view的底部到self.view的约束
@IBOutlet weak var buttomViewLayout2: NSLayoutConstraint!
@IBOutlet weak var addImageView: UIImageView!
@IBOutlet weak var sendMessageView: UIImageView!
@IBOutlet weak var contacts: UITextField!
@IBOutlet weak var messageTable: UITableView!
// var image: UIImageView = UIImageView(frame: CGRect(x: 100, y: 100, width: 100, height: 100))
var meassageData:Array<MessageModel>?
override func viewDidLoad() {
super.viewDidLoad()
contentText.delegate = self
meassageData = Array()
// self.navigationController?.setToolbarHidden(false, animated: false)
// let rightButtom = UIBarButtonItem(barButtonSystemItem: UIBarButtonItem.SystemItem.edit, target: self, action: #selector(self.Edit))
// self.navigationItem.rightBarButtonItem = rightButtom
// self.title = "消息"
// self.navigationController?.navigationBar.backgroundColor = UIColor.white
//隐藏
self.navigationController?.navigationBar.isHidden = true
//添加手势
let addTapGesture = UITapGestureRecognizer(target: self, action: #selector(self.addImageAction(gest:)))
self.addImageView.isUserInteractionEnabled = true
self.addImageView.addGestureRecognizer(addTapGesture)
let sendMessageGesture = UITapGestureRecognizer(target: self, action: #selector(self.sendMessageAction(gest:)))
self.sendMessageView.isUserInteractionEnabled = true
self.sendMessageView.addGestureRecognizer(sendMessageGesture)
//添加通知
NotificationCenter.default.addObserver(self, selector: #selector(self.keyboardShow(noti:)), name: ViewController.keyboardWillShowNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(self.keyboardHide(noti:)), name: ViewController.keyboardWillHideNotification, object: nil)
self.messageTable.separatorStyle = .none
self.messageTable.delegate = self
self.messageTable.dataSource = self
self.messageTable.reloadData()
}
func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return meassageData!.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = Bundle.main.loadNibNamed("MessageTableViewCell", owner: nil, options: nil)?.first as! MessageTableViewCell
let model = self.meassageData![indexPath.row] as MessageModel
if model.icon == nil {
cell.messageContent.text = model.message
cell.messageImage.isHidden = true
cell.messageContent.isHidden = false
}else {
cell.messageImage.isHidden = false
cell.messageContent.isHidden = true
cell.messageImage.image = model.icon
}
return cell
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
let model = self.meassageData![indexPath.row] as MessageModel
if model.icon == nil {
var size : CGSize
let tmpSize = CGSize(width: UIScreen.main.bounds.width - 30, height: 0)
let messageStr:NSString = model.message! as NSString
size = messageStr.boundingRect(with: tmpSize, options: NSStringDrawingOptions.usesLineFragmentOrigin, attributes: [NSAttributedString.Key.font : UIFont.systemFont(ofSize: 17)], context: nil).size
return size.height + 30
}else{
return 152
}
}
//添加联系人
@IBAction func addContacts(_ sender: UIButton) {
if #available(iOS 9.0, *) {
print("systemVersion=\(UIDevice.current.systemVersion)")
let contactController2 = CNContactPickerViewController()
contactController2.displayedPropertyKeys = [CNContactPhoneNumbersKey]
contactController2.delegate = self
self.present(contactController2, animated: true)
}else{
let contactController = ABPeoplePickerNavigationController()
contactController.peoplePickerDelegate = self
self.present(contactController, animated: true)
}
}
func contactPicker(_ picker: CNContactPickerViewController, didSelect contacts: [CNContact]) {
let phoneNumbers = contacts[contacts.startIndex].phoneNumbers
let numStr = phoneNumbers[phoneNumbers.startIndex].value.stringValue
self.contacts.text = numStr
}
//获取联系人信息
func peoplePickerNavigationController(_ peoplePicker: ABPeoplePickerNavigationController, didSelectPerson person: ABRecord) {
let unmInfo = ABRecordCopyValue(person, kABPersonPhoneProperty)
let numRef:ABMultiValue = Unmanaged.fromOpaque(unmInfo!.toOpaque()).takeUnretainedValue()
let num = ABMultiValueCopyValueAtIndex(numRef, 0)
let numStr:String = Unmanaged<AnyObject>.fromOpaque(num!.toOpaque()).takeUnretainedValue() as! String
self.contacts.text = numStr
}
//添加图片
@objc func addImageAction( gest : UITapGestureRecognizer){
print("addImageAction")
let pic = UIImagePickerController()
pic.delegate = self
self.present(pic, animated: true, completion: nil)
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
let model = MessageModel(_icon: info[UIImagePickerController.InfoKey.originalImage] as! UIImage)
self.meassageData!.append(model)
picker.dismiss(animated: true, completion: nil)
self.messageTable.reloadData()
}
@objc func sendMessageAction( gest : UITapGestureRecognizer){
let message:String = self.contentText.text
let model = MessageModel(_message: message)
self.meassageData?.append(model)
self.contentText.text = ""
self.textHeightLayout.constant = 56
self.bottomHeightLayout.constant = 63
self.buttomViewLayout2.constant = 0
self.contentText.resignFirstResponder()
UIView.animate(withDuration: 0.3) {
self.view.layoutIfNeeded()
self.messageTable.reloadData()
}
}
@objc func Edit(){
print("Edit")
let viewCon = ViewController2()
self.navigationController?.pushViewController(viewCon, animated: true)
}
//监听软键盘弹出消息
@objc func keyboardShow(noti : Notification){
let info = noti.userInfo
let heightValue = info?[ViewController.keyboardFrameEndUserInfoKey] as! NSValue
let height = heightValue.cgRectValue.height
var time: TimeInterval = 0
let timeValue = info?[ViewController.keyboardAnimationDurationUserInfoKey] as! NSNumber
timeValue.getValue(&time)
self.buttomViewLayout2.constant = height
UIView.animate(withDuration: time) {
self.view.layoutIfNeeded()
}
}
//隐藏软键盘
@objc func keyboardHide(noti : Notification){
let info = noti.userInfo
var time: TimeInterval = 0
let timeValue = info?[ViewController.keyboardAnimationDurationUserInfoKey] as! NSNumber
timeValue.getValue(&time)
self.buttomViewLayout2.constant = 0
UIView.animate(withDuration: time) {
self.view.layoutIfNeeded()
}
}
//动态设置view的约束
func textViewDidChange(_ textView: UITextView) {
//其中常量值 56 63 取自storyboard排版里面的值
if textView.contentSize.height <= 56 {
self.textHeightLayout.constant = 56
self.bottomHeightLayout.constant = 63
}else if(textView.contentSize.height < 100){
self.textHeightLayout.constant = textView.contentSize.height
self.bottomHeightLayout.constant = textView.contentSize.height + 7
}else{
self.textHeightLayout.constant = 100
self.bottomHeightLayout.constant = 107
}
UIView.animate(withDuration: 0.3) {//用于更新页面布局，可以用于自动布局的动画
self.view.layoutIfNeeded()
}
}
func textViewShouldBeginEditing(_ textView: UITextView) -> Bool {
return true
}
override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
contentText.resignFirstResponder()
}
}
- model
import Foundation
import UIKit
class MessageModel : NSObject{
var icon : UIImage?
var message : String?
init( _icon : UIImage) {
self.icon = _icon
}
init( _message : String) {
self.message = _message
}
}
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