Chụp màn hình trên máy ảo trong ios

 command+s or File > Save Screen Shot trong may ảo ios.

Làm mới lại khi chọn 1 dòng trong table view in ios

func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

        

        tableView.deselectRow(at: indexPath, animated: true)

        tableView.reloadData()

    }

Show thông báo ra màn hình in ios

private func showMessage() {

        

        let alert = UIAlertController(title: nil, message: viewModel.message, preferredStyle: .alert)

        alert.addAction(UIAlertAction(title: localized("ok"), style: .default, handler: nil))

        present(alert, animated: true)

    }

Cập nhật dữ liệu Realm in IOS

let workouts = realm.objects(WorkoutsCount.self).filter("date = %@", removeTodaysItem)

let realm = try! Realm()
if let workout = workouts.first {
    try! realm.write {
        workout.date = today
        workout.count = plusOne
    }
}

Xoa1 1 item thu n trong NSMutableArray in IOS

arrPin.removeObject(at: 0)

Hàm if cho mảng in IOS

if [1,2,3].contains( model.m_postion! ) {

                                            

}

Build App Tuoi Tre In IOS

Chèn thêm khung delete bên phải cell TableView in IOS

func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {

        

      

            return true

        

        

    }

    func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {

        

        if editingStyle == .delete {

            if((self.arrNews.count) > 0 ){

                let mdPost = arrNews[indexPath.row] as! ModelNews

                DataManager.deleteToBookmarkOnlyData(md: DataManager.getByIdBookmarkOnlyData(id_news: mdPost.m_object_id!))

                self.reloadData()

            }

        }

    }

Hàm đảo mảng ngẫu nhiên in IOS

func newShuffledArray(array:NSArray) -> NSArray {
    var mutableArray = array.mutableCopy() as! NSMutableArray
    var count = mutableArray.count
    if count>1 {
        for var i=count-1;i>0;--i{
            mutableArray.exchangeObjectAtIndex(i, withObjectAtIndex: Int(arc4random_uniform(UInt32(i+1))))
        }
    }
    return mutableArray as NSArray
}

Áp sự kiện click cho 1 cell in IOS

 cell.didSelectNews = { (md:ModelNews) -> () in

                        (self.delegate?.CateViewController_Selected(modelSelected: [md]))!

                    }

// trong class cell 

open var didSelectNews: ((_ md: ModelNews ) -> ())?

func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {

        

        if let mdGet = arrPost?[indexPath.item]  {

            let mdPost = mdGet as! ModelNews

            didSelectNews!(mdPost)

        }

}

Lấy Json từ api in IOS

APIManager.sharedInstance.getApiVedette { (arrCate, error , data) in

                

                

                if error == "" {

                    

                    self.arrCateGet.addObjects(from: arrCate as! [Any])

                    

                }

                else {

                     AlertBar.show(.error, message: Configs.String_GetApiError, duration: 3)

                }

Class APIManager : 

static let sharedInstance = APIManager()

    

    public func getApiVedette(completion: @escaping(NSArray,String,Data) -> Void){

        

        let url = "https://api.minhnhut027.home"

        

       

        Alamofire.request(url).responseJSON { respone  in

            

            if let data = respone.data {

                let (arrGet,error) = ModelNews().parseVedetteWithData(data: data as NSData)

                completion(arrGet,error as String,data)

            }

            else {

                

                completion(NSArray(),"error",Data())

            }

        }

        

    }

// ham parse json 

 func parseVedetteWithData(data:NSData)->(NSArray,NSString){

        

        do {

            

            let parseJSON = try JSONSerialization.jsonObject(with: data as Data, options: .allowFragments)

            let arr_cate_get = NSMutableArray()

                

            if  let itemRelatedDir = parseJSON as? [String: Any] {

                        

                        let cateGet = ModelCate()

                

                        cateGet.m_isHome = true

                        cateGet.m_cate_name = "vedette"

                

                        let arrRelated = NSMutableArray()

                

                        let (model,_) = parseWithDic(dictionary: itemRelatedDir)

                        arrRelated.add(model)

                        cateGet.m_childs = arrRelated

                        

                        arr_cate_get.add(cateGet)

             }

                

             return (arr_cate_get,"")

         

            

        } catch let error as NSError {

            print("Failed to load: \(error.localizedDescription)")

            return (NSArray(),"\(error.localizedDescription)" as NSString)

        }

        

        return (NSArray(),"error")

    }

// ham parse

func parseWithDic (dictionary: [String: Any])->(ModelNews,NSString){

        

        let modelNewsGet = ModelNews()

        //if let dictionary = parseJSON as? [String: Any] {

        

            if let object_id = dictionary["object_id"] as? String {

                modelNewsGet.m_object_id = object_id

            }

            if let title = dictionary["title"] as? String {

                modelNewsGet.m_title = editTitle(title: title)

            }

            if let description = dictionary["description"] as? String {

                modelNewsGet.m_description = description

            }

            if let object_url = dictionary["object_url"] as? String {

                modelNewsGet.m_object_url = object_url

            }

            if let layout = dictionary["layout"] as? String {

                modelNewsGet.m_layout = layout

            }

            if let sport = dictionary["sport"] as? Int {

                modelNewsGet.m_sport = sport

            }

            if let object_content = dictionary["object_content"] as? String {

                modelNewsGet.m_object_content = object_content

            }

            if let thumb_link = dictionary["thumb_link"] as? String {

                modelNewsGet.m_thumb_link = thumb_link

            }

            if let thumb_caption = dictionary["thumb_caption"] as? String {

                modelNewsGet.m_thumb_caption = thumb_caption

            }

            if let time_published = dictionary["time_published"] as? String {

                modelNewsGet.m_time_published = time_published

            }

            if let author = dictionary["author"] as? String {

                modelNewsGet.m_author = author

            }

            if let comment_count = dictionary["comment_count"] as? String {

                modelNewsGet.m_comment_count = comment_count

            }

            if let object_like_number = dictionary["object_like_number"] as? String {

                modelNewsGet.m_object_like_number = object_like_number

            }

            if let video_link = dictionary["video_link"] as? String {

                modelNewsGet.m_video_link = video_link

            }

            if let video_length = dictionary["video_length"] as? String {

                modelNewsGet.m_video_length = video_length

            }

            if let cate_id = dictionary["cate_id"] as? String {

                modelNewsGet.m_cate_id = cate_id

            }

        

    }

Thay đổi màu Tint của image in IOS

theImageView.image = theImageView.image!.withRenderingMode(.alwaysTemplate)
theImageView.tintColor = UIColor.red

Truyen tham so NotificationCenter in IOS

// khoi tao 
NotificationCenter.default.addObserver(self, selector: #selector( self.gotoSelectCate( not: ) ), name: NSNotification.Name(rawValue: "gotoSelectCate"), object: nil)

func gotoSelectCate( not: NSNotification ){

        

        if let userInfo = not.userInfo {

            

            if let userName = userInfo["name"] as? String {

                print(userName)

                scrollToCateSelected(md: arrList[Int(userName)!] as! ModelCate)

            }

        }

        self.slideMenuController()?.closeLeft()

        

 }

// class khac 

NotificationCenter.default.post(name: NSNotification.Name(rawValue: "gotoSelectCate"), object: self , userInfo: ["name": mdGet.m_type ] )

Thay thế chuổi kí tự này thành ký tự khác

self.mdDetailGet.m_object_content?.replacingOccurrences(of: "[box]", with: "")

Lấy đường dẫn local của 1 file IOS

let fileUrl = Bundle.main.url(forResource: "bpreg", withExtension: "xml")

Hàm chuyễn đổi bao nhiêu giờ phút trước in IOS

func timeAgoSinceDate(_ date:Date,currentDate:Date, numericDates:Bool) -> String {
    let calendar = Calendar.current
    let now = currentDate
    let earliest = (now as NSDate).earlierDate(date)
    let latest = (earliest == now) ? date : now
    let components:DateComponents = (calendar as NSCalendar).components([NSCalendar.Unit.minute , NSCalendar.Unit.hour , NSCalendar.Unit.day , NSCalendar.Unit.weekOfYear , NSCalendar.Unit.month , NSCalendar.Unit.year , NSCalendar.Unit.second], from: earliest, to: latest, options: NSCalendar.Options())

    if (components.year! >= 2) {
        return "\(components.year!) years ago"
    } else if (components.year! >= 1){
        if (numericDates){
            return "1 year ago"
        } else {
            return "Last year"
        }
    } else if (components.month! >= 2) {
        return "\(components.month!) months ago"
    } else if (components.month! >= 1){
        if (numericDates){
            return "1 month ago"
        } else {
            return "Last month"
        }
    } else if (components.weekOfYear! >= 2) {
        return "\(components.weekOfYear!) weeks ago"
    } else if (components.weekOfYear! >= 1){
        if (numericDates){
            return "1 week ago"
        } else {
            return "Last week"
        }
    } else if (components.day! >= 2) {
        return "\(components.day!) days ago"
    } else if (components.day! >= 1){
        if (numericDates){
            return "1 day ago"
        } else {
            return "Yesterday"
        }
    } else if (components.hour! >= 2) {
        return "\(components.hour!) hours ago"
    } else if (components.hour! >= 1){
        if (numericDates){
            return "1 hour ago"
        } else {
            return "An hour ago"
        }
    } else if (components.minute! >= 2) {
        return "\(components.minute!) minutes ago"
    } else if (components.minute! >= 1){
        if (numericDates){
            return "1 minute ago"
        } else {
            return "A minute ago"
        }
    } else if (components.second! >= 3) {
        return "\(components.second!) seconds ago"
    } else {
        return "Just now"
    }

}