mirror of
https://github.com/simplezhli/flutter_barcode_reader.git
synced 2024-11-01 07:59:28 +08:00
Rewrote iOS scanner in ObjC to avoid swift plugin conflicts with use_frameworks!
This commit is contained in:
Matthew Smith
parent
3cea973135
commit
80b5c6f3eb
@ -6,7 +6,6 @@ if ENV['FLUTTER_FRAMEWORK_DIR'] == nil
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end
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target 'Runner' do
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use_frameworks!
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# Pods for Runner
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@ -20,6 +20,6 @@ SPEC CHECKSUMS:
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Flutter: d674e78c937094a75ac71dd77e921e840bea3dbf
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MTBBarcodeScanner: 66c75f40cbac5986c97634a0775bfe7f92243e7c
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PODFILE CHECKSUM: cc70c01bca487bebd110b87397f017f3b76a89f1
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PODFILE CHECKSUM: 407db753d18e8726329521f96a8fa0bebaef3f42
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COCOAPODS: 1.3.1
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@ -11,6 +11,7 @@
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3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
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3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
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3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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5CB758D7343A0FB9D27CC91C /* libPods-Runner.a in Frameworks */ = {isa = PBXBuildFile; fileRef = C8072F22B7B32BA6730C5387 /* libPods-Runner.a */; };
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74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
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9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
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9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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@ -20,7 +21,6 @@
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97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
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97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
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97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
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A969C0372EF8436F14E8E3DB /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 178DF4CC418BA343104EED78 /* Pods_Runner.framework */; };
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/* End PBXBuildFile section */
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/* Begin PBXCopyFilesBuildPhase section */
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@ -41,7 +41,6 @@
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/* Begin PBXFileReference section */
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1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
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1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
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178DF4CC418BA343104EED78 /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
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3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
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3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
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74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
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@ -56,6 +55,7 @@
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97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
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97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
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97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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C8072F22B7B32BA6730C5387 /* libPods-Runner.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-Runner.a"; sourceTree = BUILT_PRODUCTS_DIR; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
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@ -65,7 +65,7 @@
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files = (
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9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */,
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3B80C3941E831B6300D905FE /* App.framework in Frameworks */,
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A969C0372EF8436F14E8E3DB /* Pods_Runner.framework in Frameworks */,
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5CB758D7343A0FB9D27CC91C /* libPods-Runner.a in Frameworks */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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@ -75,7 +75,7 @@
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3C7717B73810891D4425A279 /* Frameworks */ = {
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isa = PBXGroup;
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children = (
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178DF4CC418BA343104EED78 /* Pods_Runner.framework */,
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C8072F22B7B32BA6730C5387 /* libPods-Runner.a */,
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);
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name = Frameworks;
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sourceTree = "<group>";
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@ -227,9 +227,12 @@
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files = (
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);
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inputPaths = (
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"${SRCROOT}/Pods/Target Support Files/Pods-Runner/Pods-Runner-resources.sh",
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"${PODS_ROOT}/GoogleMaps/Maps/Frameworks/GoogleMaps.framework/Versions/A/Resources/GoogleMaps.bundle",
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);
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name = "[CP] Copy Pods Resources";
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outputPaths = (
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"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}",
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);
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runOnlyForDeploymentPostprocessing = 0;
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shellPath = /bin/sh;
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@ -290,14 +293,10 @@
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inputPaths = (
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"${SRCROOT}/Pods/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
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"${PODS_ROOT}/../../../../../../flutter/bin/cache/artifacts/engine/ios/Flutter.framework",
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"${BUILT_PRODUCTS_DIR}/MTBBarcodeScanner/MTBBarcodeScanner.framework",
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"${BUILT_PRODUCTS_DIR}/barcode_scan/barcode_scan.framework",
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);
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name = "[CP] Embed Pods Frameworks";
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outputPaths = (
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"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework",
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"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/MTBBarcodeScanner.framework",
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"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/barcode_scan.framework",
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);
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runOnlyForDeploymentPostprocessing = 0;
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shellPath = /bin/sh;
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@ -1,6 +1,6 @@
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import 'dart:async';
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import 'package:barcode_scan/barcode_scanner.dart';
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import 'package:barcode_scan/barcode_scan.dart';
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import 'package:flutter/material.dart';
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void main() {
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@ -1,4 +1,9 @@
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#import <Flutter/Flutter.h>
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#import "BarcodeScannerViewControllerDelegate.h"
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@interface BarcodeScanPlugin : NSObject<FlutterPlugin>
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@interface BarcodeScanPlugin : NSObject<FlutterPlugin, BarcodeScannerViewControllerDelegate>
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@property(nonatomic, retain) FlutterResult result;
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@property (nonatomic, assign) UIViewController *hostViewController;
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@end
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@ -1,8 +1,35 @@
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#import "BarcodeScanPlugin.h"
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#import <barcode_scan/barcode_scan-Swift.h>
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#import "BarcodeScannerViewController.h"
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@implementation BarcodeScanPlugin
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+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
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[SwiftBarcodeScanPlugin registerWithRegistrar:registrar];
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FlutterMethodChannel *channel = [FlutterMethodChannel methodChannelWithName:@"com.apptreesoftware.barcode_scan"
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binaryMessenger:registrar.messenger];
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BarcodeScanPlugin *instance = [BarcodeScanPlugin new];
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instance.hostViewController = [UIApplication sharedApplication].delegate.window.rootViewController;
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[registrar addMethodCallDelegate:instance channel:channel];
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}
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- (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result {
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if ([@"scan" isEqualToString:call.method]) {
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self.result = result;
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[self showBarcodeView];
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} else {
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result(FlutterMethodNotImplemented);
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}
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}
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- (void)showBarcodeView {
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BarcodeScannerViewController *scannerViewController = [[BarcodeScannerViewController alloc] init];
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UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:scannerViewController];
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scannerViewController.delegate = self;
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[self.hostViewController presentViewController:navigationController animated:NO completion:nil];
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}
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- (void)barcodeScannerViewController:(BarcodeScannerViewController *)controller didScanBarcodeWithResult:(NSString *)result {
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if (self.result) {
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self.result(result);
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}
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}
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@end
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@ -1,213 +0,0 @@
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//
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// BarcodeScannerViewController.swift
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// AppTreeRevolution
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//
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// Created by Matthew Smith on 2/18/15.
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// Copyright (c) 2015 AppTree Software. All rights reserved.
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//
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import UIKit
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import MTBBarcodeScanner
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protocol BarcodeScannerViewControllerDelegate : class {
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func barcodeScannerViewController(_ controller : BarcodeScannerViewController, didScanBarcodeWithResult result: String)
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}
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struct BarcodeScanContext {
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var attributeIndex : Int?
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}
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protocol TorchSupport {
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var flashOn: Bool { get }
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var hasTorch: Bool { get }
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func toggleFlash(to flashOn: Bool)
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}
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extension TorchSupport {
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var flashOn: Bool {
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if let device = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeVideo) {
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return device.torchMode == AVCaptureTorchMode.on && device.flashMode == AVCaptureFlashMode.on
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}
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return false
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}
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var hasTorch: Bool {
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let device = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeVideo)
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return device?.hasTorch ?? false
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}
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func toggleFlash(to flashOn: Bool) {
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let device : AVCaptureDevice = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeVideo)
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do {
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if device.hasFlash && device.hasTorch {
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try device.lockForConfiguration()
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if flashOn {
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device.flashMode = AVCaptureFlashMode.on
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device.torchMode = AVCaptureTorchMode.on
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} else {
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device.flashMode = AVCaptureFlashMode.off
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device.torchMode = AVCaptureTorchMode.off
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}
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device.unlockForConfiguration()
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}
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} catch {
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print("Could not lock the camera configuration")
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}
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}
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}
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class BarcodeScannerOverlayView : UIView, TorchSupport {
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var turnLightOnLabel : UILabel!
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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required init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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_init()
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}
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override func awakeFromNib() {
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super.awakeFromNib()
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}
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func _init() {
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turnLightOnLabel = UILabel()
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turnLightOnLabel.translatesAutoresizingMaskIntoConstraints = false
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turnLightOnLabel.textColor = UIColor.white
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turnLightOnLabel.layer.cornerRadius = 8.0
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turnLightOnLabel.clipsToBounds = true
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turnLightOnLabel.alpha = 0.8
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turnLightOnLabel.text = "Tap to toggle flash"
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self.addSubview(turnLightOnLabel)
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self.addConstraints(NSLayoutConstraint
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.constraints(withVisualFormat: "V:|[turnLightOnLabel(20)]-20-|",
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options: NSLayoutFormatOptions.alignAllBottom,
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metrics: nil,
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views: ["turnLightOnLabel" : turnLightOnLabel]))
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}
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override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
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UIView.animate(withDuration: 0.35, animations: {
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self.turnLightOnLabel.alpha = 0.0
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})
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self.toggleFlash(to: true)
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}
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override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
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UIView.animate(withDuration: 0.35, animations: {
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self.turnLightOnLabel.alpha = 0.8
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})
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self.toggleFlash(to: false)
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}
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}
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class BarcodeScannerViewController: UIViewController, TorchSupport {
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var overlayView: BarcodeScannerOverlayView!
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var previewView: UIView!
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var scanner : MTBBarcodeScanner!
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var context : BarcodeScanContext = BarcodeScanContext()
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weak var delegate : BarcodeScannerViewControllerDelegate?
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override func viewDidLoad() {
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super.viewDidLoad()
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self.previewView = UIView(frame: self.view.bounds)
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self.previewView.translatesAutoresizingMaskIntoConstraints = false
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self.overlayView = BarcodeScannerOverlayView(frame: self.view.bounds)
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self.overlayView.translatesAutoresizingMaskIntoConstraints = false
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self.view.addSubview(previewView)
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self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[previewView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["previewView" : previewView]))
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self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:[previewView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["previewView" : previewView]))
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// self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[overlayView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["overlayView" : overlayView]))
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// self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:[overlayView]", options: NSLayoutFormatOptions.alignAllBottom, metrics: nil, views: ["overlayView" : overlayView]))
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scanner = MTBBarcodeScanner(previewView: previewView)
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self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(BarcodeScannerViewController.cancel))
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updateFlashButton()
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}
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private func updateFlashButton() {
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if !self.hasTorch {
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return
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}
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if self.flashOn {
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Flash Off", style: .plain, target: self, action: #selector(BarcodeScannerViewController.toggle))
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} else {
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Flash On", style: .plain, target: self, action: #selector(BarcodeScannerViewController.toggle))
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}
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}
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func toggle() {
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self.toggleFlash(to: !flashOn)
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self.updateFlashButton()
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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if self.scanner.isScanning() {
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self.scanner.stopScanning()
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}
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MTBBarcodeScanner.requestCameraPermission { (success : Bool) -> Void in
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if success {
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self.startScan()
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} else {
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self.showNoCameraAccessAlert()
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}
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}
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}
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func cancel() {
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self.dismiss(animated: true, completion: nil)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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self.scanner.stopScanning()
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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if self.flashOn {
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self.toggleFlash(to: false)
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}
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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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fileprivate func startScan() {
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do {
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try self.scanner.startScanning(resultBlock: {[weak self] results in
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if let code = results?.first {
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self?.scanner.stopScanning()
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if let strongSelf = self {
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self?.delegate?.barcodeScannerViewController(strongSelf, didScanBarcodeWithResult: code.stringValue)
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self?.dismiss(animated: true, completion: nil)
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}
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}
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})
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} catch {
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}
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}
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fileprivate func showNoCameraAccessAlert() {
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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);
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alertController.addAction(UIAlertAction(title: "OK", style: .default, handler: { (action) -> Void in
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_ = self.navigationController?.popViewController(animated: true)
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}))
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self.present(alertController, animated: true, completion: nil)
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}
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}
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@ -1,40 +0,0 @@
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import Flutter
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import UIKit
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import MTBBarcodeScanner
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public class SwiftBarcodeScanPlugin: NSObject, FlutterPlugin, BarcodeScannerViewControllerDelegate {
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private var result : FlutterResult?
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private var hostViewController : UIViewController?
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|
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public static func register(with registrar: FlutterPluginRegistrar) {
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let channel = FlutterMethodChannel(name: "com.apptreesoftware.barcode_scan", binaryMessenger: registrar.messenger());
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let instance = SwiftBarcodeScanPlugin();
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instance.hostViewController = UIApplication.shared.delegate?.window!?.rootViewController
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registrar.addMethodCallDelegate(instance, channel: channel);
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}
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public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
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switch call.method {
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case "scan":
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self.result = result;
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showBarcodeView();
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break;
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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)
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user