├── QRCodeGen.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   └── contents.xcworkspacedata
    └── xcuserdata
    │   ├── gabriel.xcuserdatad
    │       └── xcschemes
    │       │   ├── QRCodeGen.xcscheme
    │       │   └── xcschememanagement.plist
    │   └── simon.xcuserdatad
    │       └── xcschemes
    │           ├── QRCodeGen.xcscheme
    │           └── xcschememanagement.plist
├── QRCodeGen
    ├── AppDelegate.swift
    ├── Base.lproj
    │   ├── LaunchScreen.xib
    │   └── Main.storyboard
    ├── Images.xcassets
    │   └── AppIcon.appiconset
    │   │   └── Contents.json
    ├── Info.plist
    └── ViewController.swift
├── QRCodeGenTests
    ├── Info.plist
    └── QRCodeGenTests.swift
└── README.md


/QRCodeGen.xcodeproj/project.pbxproj:
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1 | <?xml version="1.0" encoding="UTF-8"?>
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8 | 


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100 |             BlueprintName = "QRCodeGen"
101 |             ReferencedContainer = "container:QRCodeGen.xcodeproj">
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 6 | 	<dict>
 7 | 		<key>QRCodeGen.xcscheme</key>
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10 | 			<integer>0</integer>
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13 | 	<key>SuppressBuildableAutocreation</key>
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28 | 


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  3 |    LastUpgradeVersion = "0630"
  4 |    version = "1.3">
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100 |             BlueprintName = "QRCodeGen"
101 |             ReferencedContainer = "container:QRCodeGen.xcodeproj">
102 |          </BuildableReference>
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106 |       buildConfiguration = "Debug">
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109 |       buildConfiguration = "Release"
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 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>QRCodeGen.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | 	<key>SuppressBuildableAutocreation</key>
14 | 	<dict>
15 | 		<key>C0BB55701AEE8C850084259C</key>
16 | 		<dict>
17 | 			<key>primary</key>
18 | 			<true/>
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20 | 		<key>C0BB55851AEE8C850084259C</key>
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27 | </plist>
28 | 


--------------------------------------------------------------------------------
/QRCodeGen/AppDelegate.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.swift
 3 | //  QRCodeGen
 4 | //
 5 | //  Created by Gabriel Theodoropoulos on 27/4/15.
 6 | //  Copyright (c) 2015 Appcoda. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | @UIApplicationMain
12 | class AppDelegate: UIResponder, UIApplicationDelegate {
13 | 
14 |     var window: UIWindow?
15 | 
16 | 
17 |     func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
18 |         // Override point for customization after application launch.
19 |         return true
20 |     }
21 | 
22 |     func applicationWillResignActive(application: UIApplication) {
23 |         // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
24 |         // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
25 |     }
26 | 
27 |     func applicationDidEnterBackground(application: UIApplication) {
28 |         // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
29 |         // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
30 |     }
31 | 
32 |     func applicationWillEnterForeground(application: UIApplication) {
33 |         // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
34 |     }
35 | 
36 |     func applicationDidBecomeActive(application: UIApplication) {
37 |         // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
38 |     }
39 | 
40 |     func applicationWillTerminate(application: UIApplication) {
41 |         // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
42 |     }
43 | 
44 | 
45 | }
46 | 
47 | 


--------------------------------------------------------------------------------
/QRCodeGen/Base.lproj/LaunchScreen.xib:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="6214" systemVersion="14A314h" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6207"/>
 5 |         <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
 6 |     </dependencies>
 7 |     <objects>
 8 |         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
 9 |         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
10 |         <view contentMode="scaleToFill" id="iN0-l3-epB">
11 |             <rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
12 |             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
13 |             <subviews>
14 |                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="  Copyright (c) 2015 Appcoda. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
15 |                     <rect key="frame" x="20" y="439" width="441" height="21"/>
16 |                     <fontDescription key="fontDescription" type="system" pointSize="17"/>
17 |                     <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
18 |                     <nil key="highlightedColor"/>
19 |                 </label>
20 |                 <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="QRCodeGen" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
21 |                     <rect key="frame" x="20" y="140" width="441" height="43"/>
22 |                     <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
23 |                     <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
24 |                     <nil key="highlightedColor"/>
25 |                 </label>
26 |             </subviews>
27 |             <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
28 |             <constraints>
29 |                 <constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
30 |                 <constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
31 |                 <constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
32 |                 <constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
33 |                 <constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
34 |                 <constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
35 |             </constraints>
36 |             <nil key="simulatedStatusBarMetrics"/>
37 |             <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
38 |             <point key="canvasLocation" x="548" y="455"/>
39 |         </view>
40 |     </objects>
41 | </document>
42 | 


--------------------------------------------------------------------------------
/QRCodeGen/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="7531" systemVersion="14A389" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="vXZ-lx-hvc">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7520"/>
 5 |         <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="ufC-wZ-h7g">
10 |             <objects>
11 |                 <viewController id="vXZ-lx-hvc" customClass="ViewController" customModule="QRCodeGen" customModuleProvider="target" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="jyV-Pf-zRb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="2fi-mo-0CV"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="kh9-bI-dsS">
17 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
18 |                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
19 |                         <subviews>
20 |                             <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="HEr-o0-tJS">
21 |                                 <rect key="frame" x="16" y="28" width="568" height="30"/>
22 |                                 <fontDescription key="fontDescription" type="system" pointSize="14"/>
23 |                                 <textInputTraits key="textInputTraits"/>
24 |                             </textField>
25 |                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Fp3-ck-8yj">
26 |                                 <rect key="frame" x="464" y="66" width="120" height="30"/>
27 |                                 <color key="backgroundColor" red="0.95294117647058818" green="0.61176470588235299" blue="0.070588235294117646" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
28 |                                 <constraints>
29 |                                     <constraint firstAttribute="width" constant="120" id="Bwr-3q-pMg"/>
30 |                                 </constraints>
31 |                                 <state key="normal" title="Generate">
32 |                                     <color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
33 |                                     <color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
34 |                                 </state>
35 |                                 <connections>
36 |                                     <action selector="performButtonAction:" destination="vXZ-lx-hvc" eventType="touchUpInside" id="bSz-jD-B4I"/>
37 |                                 </connections>
38 |                             </button>
39 |                             <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="oSG-p5-e6D">
40 |                                 <rect key="frame" x="200" y="200" width="200" height="200"/>
41 |                                 <constraints>
42 |                                     <constraint firstAttribute="width" constant="200" id="7HZ-aZ-zrb"/>
43 |                                     <constraint firstAttribute="height" constant="200" id="zXu-r4-i4J"/>
44 |                                 </constraints>
45 |                             </imageView>
46 |                             <slider hidden="YES" opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="1" minValue="0.0" maxValue="2" translatesAutoresizingMaskIntoConstraints="NO" id="mpP-pk-xpt">
47 |                                 <rect key="frame" x="189" y="550" width="223" height="31"/>
48 |                                 <constraints>
49 |                                     <constraint firstAttribute="width" constant="219" id="H7S-AY-5Ff"/>
50 |                                     <constraint firstAttribute="height" constant="30" id="uwr-HF-igm"/>
51 |                                 </constraints>
52 |                                 <color key="minimumTrackTintColor" red="0.75294117647058822" green="0.22352941176470589" blue="0.16862745098039217" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
53 |                                 <color key="thumbTintColor" red="0.82745098039215681" green="0.32941176470588235" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
54 |                                 <connections>
55 |                                     <action selector="changeImageViewScale:" destination="vXZ-lx-hvc" eventType="valueChanged" id="KR7-OY-Q9C"/>
56 |                                 </connections>
57 |                             </slider>
58 |                         </subviews>
59 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
60 |                         <constraints>
61 |                             <constraint firstItem="Fp3-ck-8yj" firstAttribute="top" secondItem="HEr-o0-tJS" secondAttribute="bottom" constant="8" symbolic="YES" id="028-4E-3BX"/>
62 |                             <constraint firstItem="HEr-o0-tJS" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leadingMargin" id="C4c-FZ-665"/>
63 |                             <constraint firstAttribute="bottom" secondItem="mpP-pk-xpt" secondAttribute="bottom" constant="20" symbolic="YES" id="HPr-2F-KZr"/>
64 |                             <constraint firstItem="Fp3-ck-8yj" firstAttribute="trailing" secondItem="HEr-o0-tJS" secondAttribute="trailing" id="Vd1-Du-sS8"/>
65 |                             <constraint firstAttribute="centerX" secondItem="mpP-pk-xpt" secondAttribute="centerX" id="VtP-gF-6O9"/>
66 |                             <constraint firstAttribute="centerY" secondItem="oSG-p5-e6D" secondAttribute="centerY" id="WTg-Df-V0u"/>
67 |                             <constraint firstAttribute="centerX" secondItem="oSG-p5-e6D" secondAttribute="centerX" id="bJS-eb-4Gs"/>
68 |                             <constraint firstItem="HEr-o0-tJS" firstAttribute="centerX" secondItem="oSG-p5-e6D" secondAttribute="centerX" id="cth-yN-qif"/>
69 |                             <constraint firstItem="HEr-o0-tJS" firstAttribute="top" secondItem="jyV-Pf-zRb" secondAttribute="bottom" constant="8" symbolic="YES" id="uUj-5S-cDM"/>
70 |                         </constraints>
71 |                     </view>
72 |                     <connections>
73 |                         <outlet property="btnAction" destination="Fp3-ck-8yj" id="bP6-aC-0Ku"/>
74 |                         <outlet property="imgQRCode" destination="oSG-p5-e6D" id="pJ8-yZ-Fde"/>
75 |                         <outlet property="slider" destination="mpP-pk-xpt" id="mc6-Zh-c02"/>
76 |                         <outlet property="textField" destination="HEr-o0-tJS" id="Jm6-4y-xeX"/>
77 |                     </connections>
78 |                 </viewController>
79 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="x5A-6p-PRh" sceneMemberID="firstResponder"/>
80 |             </objects>
81 |         </scene>
82 |     </scenes>
83 | </document>
84 | 


--------------------------------------------------------------------------------
/QRCodeGen/Images.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "size" : "29x29",
 6 |       "scale" : "2x"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "size" : "29x29",
11 |       "scale" : "3x"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "size" : "40x40",
16 |       "scale" : "2x"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "size" : "40x40",
21 |       "scale" : "3x"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "size" : "60x60",
26 |       "scale" : "2x"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "size" : "60x60",
31 |       "scale" : "3x"
32 |     }
33 |   ],
34 |   "info" : {
35 |     "version" : 1,
36 |     "author" : "xcode"
37 |   }
38 | }


--------------------------------------------------------------------------------
/QRCodeGen/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>com.appcoda.$(PRODUCT_NAME:rfc1034identifier)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>UILaunchStoryboardName</key>
26 | 	<string>LaunchScreen</string>
27 | 	<key>UIMainStoryboardFile</key>
28 | 	<string>Main</string>
29 | 	<key>UIRequiredDeviceCapabilities</key>
30 | 	<array>
31 | 		<string>armv7</string>
32 | 	</array>
33 | 	<key>UISupportedInterfaceOrientations</key>
34 | 	<array>
35 | 		<string>UIInterfaceOrientationPortrait</string>
36 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
37 | 		<string>UIInterfaceOrientationLandscapeRight</string>
38 | 	</array>
39 | </dict>
40 | </plist>
41 | 


--------------------------------------------------------------------------------
/QRCodeGen/ViewController.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.swift
 3 | //  QRCodeGen
 4 | //
 5 | //  Created by Gabriel Theodoropoulos on 27/4/15.
 6 | //  Copyright (c) 2015 Appcoda. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | 
11 | class ViewController: UIViewController {
12 | 
13 |     @IBOutlet weak var textField: UITextField!
14 |     
15 |     @IBOutlet weak var imgQRCode: UIImageView!
16 |     
17 |     @IBOutlet weak var btnAction: UIButton!
18 |     
19 |     @IBOutlet weak var slider: UISlider!
20 |     
21 |     
22 |     var qrcodeImage: CIImage!
23 |     
24 |     
25 |     override func viewDidLoad() {
26 |         super.viewDidLoad()
27 |         // Do any additional setup after loading the view, typically from a nib.
28 |     }
29 | 
30 |     override func didReceiveMemoryWarning() {
31 |         super.didReceiveMemoryWarning()
32 |         // Dispose of any resources that can be recreated.
33 |     }
34 | 
35 |     
36 |     // MARK: IBAction method implementation
37 |     
38 |     @IBAction func performButtonAction(sender: AnyObject) {
39 |         if qrcodeImage == nil {
40 |             if textField.text == "" {
41 |                 return
42 |             }
43 |             
44 |             let data = textField.text.dataUsingEncoding(NSISOLatin1StringEncoding, allowLossyConversion: false)
45 |             
46 |             let filter = CIFilter(name: "CIQRCodeGenerator")
47 |             
48 |             filter.setValue(data, forKey: "inputMessage")
49 |             filter.setValue("Q", forKey: "inputCorrectionLevel")
50 |             
51 |             qrcodeImage = filter.outputImage
52 |             
53 |             textField.resignFirstResponder()
54 |             
55 |             btnAction.setTitle("Clear", forState: UIControlState.Normal)
56 |             
57 |             displayQRCodeImage()
58 |         }
59 |         else {
60 |             imgQRCode.image = nil
61 |             qrcodeImage = nil
62 |             btnAction.setTitle("Generate", forState: UIControlState.Normal)
63 |         }
64 |         
65 |         textField.enabled = !textField.enabled
66 |         slider.hidden = !slider.hidden
67 |     }
68 |     
69 |     
70 |     @IBAction func changeImageViewScale(sender: AnyObject) {
71 |         imgQRCode.transform = CGAffineTransformMakeScale(CGFloat(slider.value), CGFloat(slider.value))
72 |     }
73 |     
74 |     
75 |     // MARK: Custom method implementation
76 |     
77 |     func displayQRCodeImage() {
78 |         let scaleX = imgQRCode.frame.size.width / qrcodeImage.extent().size.width
79 |         let scaleY = imgQRCode.frame.size.height / qrcodeImage.extent().size.height
80 |         
81 |         let transformedImage = qrcodeImage.imageByApplyingTransform(CGAffineTransformMakeScale(scaleX, scaleY))
82 |         
83 |         imgQRCode.image = UIImage(CIImage: transformedImage)
84 |     }
85 |     
86 | 
87 | }
88 | 
89 | 


--------------------------------------------------------------------------------
/QRCodeGenTests/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>en</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>com.appcoda.$(PRODUCT_NAME:rfc1034identifier)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>BNDL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | </dict>
24 | </plist>
25 | 


--------------------------------------------------------------------------------
/QRCodeGenTests/QRCodeGenTests.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | //  QRCodeGenTests.swift
 3 | //  QRCodeGenTests
 4 | //
 5 | //  Created by Gabriel Theodoropoulos on 27/4/15.
 6 | //  Copyright (c) 2015 Appcoda. All rights reserved.
 7 | //
 8 | 
 9 | import UIKit
10 | import XCTest
11 | 
12 | class QRCodeGenTests: XCTestCase {
13 |     
14 |     override func setUp() {
15 |         super.setUp()
16 |         // Put setup code here. This method is called before the invocation of each test method in the class.
17 |     }
18 |     
19 |     override func tearDown() {
20 |         // Put teardown code here. This method is called after the invocation of each test method in the class.
21 |         super.tearDown()
22 |     }
23 |     
24 |     func testExample() {
25 |         // This is an example of a functional test case.
26 |         XCTAssert(true, "Pass")
27 |     }
28 |     
29 |     func testPerformanceExample() {
30 |         // This is an example of a performance test case.
31 |         self.measureBlock() {
32 |             // Put the code you want to measure the time of here.
33 |         }
34 |     }
35 |     
36 | }
37 | 


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/README.md:
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 1 | # A demo app for QR Code Generation
 2 | 
 3 | Prior to iOS 7, making a QR code generator was a real trouble. Not many resources existed back then, and most developers had to avoid creating their custom code; the easiest thing to do was to pick among 2-3 different existing libraries and fit it to their applications. But thankfully, all that is now history. By introducing iOS 7 time ago, Apple also turned any task related to QR codes (reading and generating) into a piece of cake. For reading QR codes, the AVFoundation framework is now the tool every developer needs. For generating, the only thing coders have to do is to use the Core Image framework, and more specifically the Core Image filters.
 4 | 
 5 | To make it perfectly clear, since iOS 7 a QR code is generated as a CIImage object (CoreImage image) simply by using a special filter named CIQRCodeGenerator. All it takes is to provide the data that you want to convert into a QR code image, and iOS will manage and do the heavy work.
 6 | 
 7 | For details, please refer to this tutorial:
 8 | 
 9 | http://www.appcoda.com/qr-code-generator-tutorial
10 | 


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