164 lines
5.5 KiB
Swift
164 lines
5.5 KiB
Swift
//
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// ScannerViewController.swift
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// Runner
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//
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// Created by Ivan Murashov on 13/07/2017.
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// Copyright © 2017 The Chromium Authors. All rights reserved.
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//
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import UIKit
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import Flutter
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extension ZBarSymbolSet: Sequence {
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//public typealias Element = ZBarSymbol
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//public typealias Iterator = NSFastEnumerationIterator
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public func makeIterator() -> NSFastEnumerationIterator {
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return NSFastEnumerationIterator(self)
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}
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}
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@objc class ScannerViewController: UIViewController, ZBarReaderDelegate, UITextFieldDelegate {
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var platformChannel: FlutterMethodChannel?
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let readerViewController = ZBarReaderViewController()
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//Вьюшка для верхнего меню
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let topView = UIView()
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//Окно ввода кода
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let textField = UITextField()
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//Кнопка настроек
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var settingButton: UIButton!
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override func viewDidLoad() {
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super.viewDidLoad()
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readerViewController.readerDelegate = self
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readerViewController.readerView.zoom = 1.0
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readerViewController.showsZBarControls = false
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settingButton = UIButton(type: .system)
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settingButton.addTarget(self, action: #selector(ScannerViewController.buttonTouch), for: .touchUpInside)
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self.addChildViewController(readerViewController)
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self.view.addSubview(readerViewController.view)
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readerViewController.view.addSubview(topView)
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topView.addSubview(textField)
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topView.addSubview(settingButton)
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textField.delegate = self
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textField.keyboardType = .numberPad
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//Looks for single or multiple taps.
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let tap = UITapGestureRecognizer(target: self, action: #selector(ScannerViewController.hideKeyboard))
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readerViewController.view.addGestureRecognizer(tap)
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}
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func hideKeyboard() {
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view.endEditing(false)
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}
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func buttonTouch(){
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sendResult(textField.text!)
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}
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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sendResult(textField.text!)
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return true
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}
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func sendResult(_ str: String) {
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platformChannel?.invokeMethod("findUserAndPurchase", arguments: [str], result: { (result: Any?) in
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if result is FlutterError {
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self.showErrorAlert()
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} else {
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self.presentingViewController?.dismiss(animated: false, completion: { self.dismiss(animated: true) })
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}
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print("result: \(result.debugDescription )")
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})
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}
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func showErrorAlert() {
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let alertController = UIAlertController(title: "Error", message:
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"Wrong code", preferredStyle: UIAlertControllerStyle.alert)
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alertController.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.default,handler: nil))
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self.present(alertController, animated: true, completion: nil)
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}
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override func viewWillAppear(_ animated: Bool) {
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topView.backgroundColor = UIColor.white
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settingButton.setTitle("+", for: .normal)
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textField.placeholder = "Enter code"
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textField.borderStyle = .roundedRect
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//self.present(readerViewController, animated: true)
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super.viewWillAppear(animated)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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}
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override func viewWillLayoutSubviews() {
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readerViewController.view.frame = view.bounds
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topView.frame = CGRect(x: 0, y: 0, width: readerViewController.view.frame.size.width, height: 40)
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textField.frame = CGRect(x: 8, y: 5, width: readerViewController.view.frame.size.width - 50, height: 30)
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settingButton.frame = CGRect(x: textField.frame.maxX + 8, y: 10, width: 20, height: 20)
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}
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func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
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guard let symbols = info[ZBarReaderControllerResults] as? ZBarSymbolSet else { return }
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for symbol in symbols {
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if let symbol = symbol as? ZBarSymbol, let data = symbol.data {
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sendResult(data)
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/*
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if let platformChannel = self.platformChannel {
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// self.dismiss(animated: true, completion: {
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// self.presentingViewController?.dismiss(animated: true, completion: {
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platformChannel.invokeMethod("findUserAndPurchase", arguments: [data], result: { (result: Any?) in
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print("result: \(result ?? "")")
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self.presentingViewController?.dismiss(animated: false, completion: { self.dismiss(animated: true) })
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})
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// })
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// })
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// let result = platformChannel.invokeMethod("getUserByCode", arguments: [data], handleResult(result: FlutterResult))
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// print(result);
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}
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/*
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let toast = UIAlertController()
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toast.message = data
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toast.add
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toast.show()
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*/
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//navigationController?.popViewController(animated: true)
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*/
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}
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}
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//navigationController?.popViewController(animated: true)
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}
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override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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}
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}
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