Rewrote iOS scanner in ObjC to avoid swift plugin conflicts with use_frameworks!

example/ios/Podfile

@@ -6,7 +6,6 @@ if ENV['FLUTTER_FRAMEWORK_DIR'] == nil
 end
 
 target 'Runner' do
-  use_frameworks!
 
   # Pods for Runner
 

example/ios/Podfile.lock

@@ -20,6 +20,6 @@ SPEC CHECKSUMS:
   Flutter: d674e78c937094a75ac71dd77e921e840bea3dbf
   MTBBarcodeScanner: 66c75f40cbac5986c97634a0775bfe7f92243e7c
 
-PODFILE CHECKSUM: cc70c01bca487bebd110b87397f017f3b76a89f1
+PODFILE CHECKSUM: 407db753d18e8726329521f96a8fa0bebaef3f42
 
 COCOAPODS: 1.3.1

example/ios/Runner.xcodeproj/project.pbxproj

@@ -11,6 +11,7 @@
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
 		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
 		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		5CB758D7343A0FB9D27CC91C /* libPods-Runner.a in Frameworks */ = {isa = PBXBuildFile; fileRef = C8072F22B7B32BA6730C5387 /* libPods-Runner.a */; };
 		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
 		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
 		9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
@@ -20,7 +21,6 @@
 		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
 		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
 		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
-		A969C0372EF8436F14E8E3DB /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 178DF4CC418BA343104EED78 /* Pods_Runner.framework */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -41,7 +41,6 @@
 /* Begin PBXFileReference section */
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
-		178DF4CC418BA343104EED78 /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
 		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
 		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
@@ -56,6 +55,7 @@
 		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		C8072F22B7B32BA6730C5387 /* libPods-Runner.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-Runner.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -65,7 +65,7 @@
 			files = (
 				9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */,
 				3B80C3941E831B6300D905FE /* App.framework in Frameworks */,
-				A969C0372EF8436F14E8E3DB /* Pods_Runner.framework in Frameworks */,
+				5CB758D7343A0FB9D27CC91C /* libPods-Runner.a in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -75,7 +75,7 @@
 		3C7717B73810891D4425A279 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
-				178DF4CC418BA343104EED78 /* Pods_Runner.framework */,
+				C8072F22B7B32BA6730C5387 /* libPods-Runner.a */,
 			);
 			name = Frameworks;
 			sourceTree = "<group>";
@@ -227,9 +227,12 @@
 			files = (
 			);
 			inputPaths = (
+				"${SRCROOT}/Pods/Target Support Files/Pods-Runner/Pods-Runner-resources.sh",
+				"${PODS_ROOT}/GoogleMaps/Maps/Frameworks/GoogleMaps.framework/Versions/A/Resources/GoogleMaps.bundle",
 			);
 			name = "[CP] Copy Pods Resources";
 			outputPaths = (
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -290,14 +293,10 @@
 			inputPaths = (
 				"${SRCROOT}/Pods/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
 				"${PODS_ROOT}/../../../../../../flutter/bin/cache/artifacts/engine/ios/Flutter.framework",
-				"${BUILT_PRODUCTS_DIR}/MTBBarcodeScanner/MTBBarcodeScanner.framework",
-				"${BUILT_PRODUCTS_DIR}/barcode_scan/barcode_scan.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/MTBBarcodeScanner.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/barcode_scan.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;

example/lib/main.dart

@@ -1,6 +1,6 @@
 import 'dart:async';
 
-import 'package:barcode_scan/barcode_scanner.dart';
+import 'package:barcode_scan/barcode_scan.dart';
 import 'package:flutter/material.dart';
 
 void main() {

ios/Classes/BarcodeScanPlugin.h

@@ -1,4 +1,9 @@
 #import <Flutter/Flutter.h>
+#import "BarcodeScannerViewControllerDelegate.h"
 
-@interface BarcodeScanPlugin : NSObject<FlutterPlugin>
+
+@interface BarcodeScanPlugin : NSObject<FlutterPlugin, BarcodeScannerViewControllerDelegate>
+
+@property(nonatomic, retain) FlutterResult result;
+@property (nonatomic, assign) UIViewController *hostViewController;
 @end

ios/Classes/BarcodeScanPlugin.m

@@ -1,8 +1,35 @@
 #import "BarcodeScanPlugin.h"
-#import <barcode_scan/barcode_scan-Swift.h>
+#import "BarcodeScannerViewController.h"
 
 @implementation BarcodeScanPlugin
 + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
-  [SwiftBarcodeScanPlugin registerWithRegistrar:registrar];
+    FlutterMethodChannel *channel = [FlutterMethodChannel methodChannelWithName:@"com.apptreesoftware.barcode_scan"
+                                                                binaryMessenger:registrar.messenger];
+    BarcodeScanPlugin *instance = [BarcodeScanPlugin new];
+    instance.hostViewController = [UIApplication sharedApplication].delegate.window.rootViewController;
+    [registrar addMethodCallDelegate:instance channel:channel];
 }
+
+- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result {
+    if ([@"scan" isEqualToString:call.method]) {
+        self.result = result;
+        [self showBarcodeView];
+    } else {
+        result(FlutterMethodNotImplemented);
+    }
+}
+
+- (void)showBarcodeView {
+    BarcodeScannerViewController *scannerViewController = [[BarcodeScannerViewController alloc] init];
+    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:scannerViewController];
+    scannerViewController.delegate = self;
+    [self.hostViewController presentViewController:navigationController animated:NO completion:nil];
+}
+
+- (void)barcodeScannerViewController:(BarcodeScannerViewController *)controller didScanBarcodeWithResult:(NSString *)result {
+    if (self.result) {
+        self.result(result);
+    }
+}
+
 @end

ios/Classes/BarcodeScannerViewController.swift

@@ -1,213 +0,0 @@
-//
-//  BarcodeScannerViewController.swift
-//  AppTreeRevolution
-//
-//  Created by Matthew Smith on 2/18/15.
-//  Copyright (c) 2015 AppTree Software. All rights reserved.
-//
-
-import UIKit
-import MTBBarcodeScanner
-
-protocol BarcodeScannerViewControllerDelegate : class {
-    func barcodeScannerViewController(_ controller : BarcodeScannerViewController, didScanBarcodeWithResult result: String)
-}
-
-struct BarcodeScanContext {
-    var attributeIndex : Int?
-}
-
-protocol TorchSupport {
-    var flashOn: Bool { get }
-    var hasTorch: Bool { get }
-    func toggleFlash(to flashOn: Bool)
-}
-
-extension TorchSupport {
-    var flashOn: Bool {
-        if let device = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeVideo) {
-            return device.torchMode == AVCaptureTorchMode.on && device.flashMode == AVCaptureFlashMode.on
-        }
-        return false
-    }
-    
-    var hasTorch: Bool {
-        let device = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeVideo)
-        return device?.hasTorch ?? false
-    }
-    
-    func toggleFlash(to flashOn: Bool) {
-        let device : AVCaptureDevice = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeVideo)
-        do {
-            if device.hasFlash && device.hasTorch {
-                try device.lockForConfiguration()
-                if flashOn {
-                    device.flashMode = AVCaptureFlashMode.on
-                    device.torchMode = AVCaptureTorchMode.on
-                } else {
-                    device.flashMode = AVCaptureFlashMode.off
-                    device.torchMode = AVCaptureTorchMode.off
-                }
-                device.unlockForConfiguration()
-            }
-        } catch {
-            print("Could not lock the camera configuration")
-        }
-    }
-}
-
-class BarcodeScannerOverlayView : UIView, TorchSupport {
-    
-    var turnLightOnLabel : UILabel!
-    
-    override init(frame: CGRect) {
-        super.init(frame: frame)
-        _init()
-    }
-    
-    required init?(coder aDecoder: NSCoder) {
-        super.init(coder: aDecoder)
-        _init()
-    }
-    
-    override func awakeFromNib() {
-        super.awakeFromNib()
-    }
-    
-    func _init() {
-        turnLightOnLabel = UILabel()
-        turnLightOnLabel.translatesAutoresizingMaskIntoConstraints = false
-        turnLightOnLabel.textColor = UIColor.white
-        turnLightOnLabel.layer.cornerRadius = 8.0
-        turnLightOnLabel.clipsToBounds = true
-        turnLightOnLabel.alpha = 0.8
-        turnLightOnLabel.text = "Tap to toggle flash"
-        self.addSubview(turnLightOnLabel)
-        self.addConstraints(NSLayoutConstraint
-            .constraints(withVisualFormat: "V:|[turnLightOnLabel(20)]-20-|",
-                         options: NSLayoutFormatOptions.alignAllBottom,
-                         metrics: nil,
-                         views: ["turnLightOnLabel" : turnLightOnLabel]))
-    }
-    
-    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
-        UIView.animate(withDuration: 0.35, animations: {
-            self.turnLightOnLabel.alpha = 0.0
-        }) 
-        self.toggleFlash(to: true)
-    }
-    
-    override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
-        UIView.animate(withDuration: 0.35, animations: {
-            self.turnLightOnLabel.alpha = 0.8
-        }) 
-        self.toggleFlash(to: false)
-    }
-}
-
-class BarcodeScannerViewController: UIViewController, TorchSupport {
-
-    var overlayView: BarcodeScannerOverlayView!
-    var previewView: UIView!
-    
-    var scanner : MTBBarcodeScanner!
-    var context : BarcodeScanContext = BarcodeScanContext()
-    
-    weak var delegate : BarcodeScannerViewControllerDelegate?
-    
-    override func viewDidLoad() {
-        super.viewDidLoad()
-        self.previewView = UIView(frame: self.view.bounds)
-        self.previewView.translatesAutoresizingMaskIntoConstraints = false
-        self.overlayView = BarcodeScannerOverlayView(frame: self.view.bounds)
-        self.overlayView.translatesAutoresizingMaskIntoConstraints = false
-        self.view.addSubview(previewView)
-        self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[previewView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["previewView" : previewView]))
-        self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:[previewView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["previewView" : previewView]))
-        
-        
-//        self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[overlayView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["overlayView" : overlayView]))
-//        self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:[overlayView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["overlayView" : overlayView]))
-        scanner = MTBBarcodeScanner(previewView: previewView)
-        self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(BarcodeScannerViewController.cancel))
-        updateFlashButton()
-    }
-    
-    private func updateFlashButton() {
-        if !self.hasTorch {
-            return
-        }
-        if self.flashOn {
-         self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Flash Off", style: .plain, target: self, action: #selector(BarcodeScannerViewController.toggle))
-        } else {
-            self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Flash On", style: .plain, target: self, action: #selector(BarcodeScannerViewController.toggle))
-        }
-    }
-    
-    func toggle() {
-        self.toggleFlash(to: !flashOn)
-        self.updateFlashButton()
-    }
-    
-    override func viewDidAppear(_ animated: Bool) {
-        super.viewDidAppear(animated)
-        if self.scanner.isScanning() {
-            self.scanner.stopScanning()
-        }
-        MTBBarcodeScanner.requestCameraPermission { (success : Bool) -> Void in
-            if success {
-                self.startScan()
-            } else {
-                self.showNoCameraAccessAlert()
-            }
-        }
-    }
-    
-    func cancel() {
-        self.dismiss(animated: true, completion: nil)
-    }
-    
-    override func viewWillAppear(_ animated: Bool) {
-        super.viewWillAppear(animated)
-    }
-    
-    override func viewWillDisappear(_ animated: Bool) {
-        super.viewWillDisappear(animated)
-        self.scanner.stopScanning()
-    }
-    
-    override func viewDidDisappear(_ animated: Bool) {
-        super.viewDidDisappear(animated)
-        if self.flashOn {
-            self.toggleFlash(to: false)
-        }
-    }
-    
-    override func didReceiveMemoryWarning() {
-        super.didReceiveMemoryWarning()
-    }
-    
-    fileprivate func startScan() {
-        do {
-            try self.scanner.startScanning(resultBlock: {[weak self] results in
-                if let code = results?.first {
-                    self?.scanner.stopScanning()
-                    if let strongSelf = self {
-                        self?.delegate?.barcodeScannerViewController(strongSelf, didScanBarcodeWithResult: code.stringValue)
-                        self?.dismiss(animated: true, completion: nil)
-                    }
-                }
-            })
-        } catch {
-            
-        }
-    }
-
-    fileprivate func showNoCameraAccessAlert() {
-        let alertController = UIAlertController(title: "Camera access denied", message: "Camera access has been disabled for this application. To turn camera access back on, please go to the iOS settings application.", preferredStyle: .alert);
-        alertController.addAction(UIAlertAction(title: "OK", style: .default, handler: { (action) -> Void in
-            _ = self.navigationController?.popViewController(animated: true)
-        }))
-        self.present(alertController, animated: true, completion: nil)
-    }
-}

ios/Classes/SwiftBarcodeScanPlugin.swift

@@ -1,40 +0,0 @@
-import Flutter
-import UIKit
-import MTBBarcodeScanner
-
-public class SwiftBarcodeScanPlugin: NSObject, FlutterPlugin, BarcodeScannerViewControllerDelegate {
-    
-    private var result : FlutterResult?
-    private var hostViewController : UIViewController?
-    
-    public static func register(with registrar: FlutterPluginRegistrar) {
-        let channel = FlutterMethodChannel(name: "com.apptreesoftware.barcode_scan", binaryMessenger: registrar.messenger());
-        let instance = SwiftBarcodeScanPlugin();
-        instance.hostViewController = UIApplication.shared.delegate?.window!?.rootViewController
-        registrar.addMethodCallDelegate(instance, channel: channel);
-    }
-    
-    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-        switch call.method {
-        case "scan":
-            self.result = result;
-            showBarcodeView();
-            break;
-        default:
-         result(FlutterMethodNotImplemented);
-        }
-    }
-    
-    private func showBarcodeView() {
-        let viewController = BarcodeScannerViewController()
-        let navController = UINavigationController(rootViewController: viewController)
-        viewController.delegate = self
-        self.hostViewController?.present(navController, animated: true, completion: nil);
-    }
-    
-    func barcodeScannerViewController(_ controller : BarcodeScannerViewController, didScanBarcodeWithResult result: String) {
-        if let callback = self.result {
-            callback(result)
-        }
-    }
-}