fix bug

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"image_picker","path":"C:\\\\Users\\\\p'c\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.flutter-io.cn\\\\image_picker-0.6.7+11\\\\","dependencies":[]},{"name":"permission_handler","path":"C:\\\\Users\\\\p'c\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.flutter-io.cn\\\\permission_handler-3.3.0\\\\","dependencies":[]},{"name":"r_scan","path":"D:\\\\flutter_plugins\\\\r_scan\\\\","dependencies":[]}],"android":[{"name":"flutter_plugin_android_lifecycle","path":"C:\\\\Users\\\\p'c\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.flutter-io.cn\\\\flutter_plugin_android_lifecycle-1.0.11\\\\","dependencies":[]},{"name":"image_picker","path":"C:\\\\Users\\\\p'c\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.flutter-io.cn\\\\image_picker-0.6.7+11\\\\","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"permission_handler","path":"C:\\\\Users\\\\p'c\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.flutter-io.cn\\\\permission_handler-3.3.0\\\\","dependencies":[]},{"name":"r_scan","path":"D:\\\\flutter_plugins\\\\r_scan\\\\","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"flutter_plugin_android_lifecycle","dependencies":[]},{"name":"image_picker","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"permission_handler","dependencies":[]},{"name":"r_scan","dependencies":[]}],"date_created":"2020-10-13 13:55:30.086287","version":"1.22.1"}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"r_scan","path":"/Users/zhangheng/Desktop/中德智慧教育/r_scan/","dependencies":[]},{"name":"image_picker","path":"/Users/zhangheng/Desktop/SDK/flutter/.pub-cache/hosted/pub.flutter-io.cn/image_picker-0.6.7+11/","dependencies":[]},{"name":"permission_handler","path":"/Users/zhangheng/Desktop/SDK/flutter/.pub-cache/hosted/pub.flutter-io.cn/permission_handler-3.3.0/","dependencies":[]}],"android":[{"name":"r_scan","path":"/Users/zhangheng/Desktop/中德智慧教育/r_scan/","dependencies":[]},{"name":"flutter_plugin_android_lifecycle","path":"/Users/zhangheng/Desktop/SDK/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_plugin_android_lifecycle-1.0.11/","dependencies":[]},{"name":"image_picker","path":"/Users/zhangheng/Desktop/SDK/flutter/.pub-cache/hosted/pub.flutter-io.cn/image_picker-0.6.7+11/","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"permission_handler","path":"/Users/zhangheng/Desktop/SDK/flutter/.pub-cache/hosted/pub.flutter-io.cn/permission_handler-3.3.0/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"r_scan","dependencies":[]},{"name":"flutter_plugin_android_lifecycle","dependencies":[]},{"name":"image_picker","dependencies":["flutter_plugin_android_lifecycle"]},{"name":"permission_handler","dependencies":[]}],"date_created":"2021-01-05 12:35:47.460276","version":"1.22.5"}

example/ios/Flutter/Flutter.podspec

@@ -0,0 +1,18 @@
+#
+# NOTE: This podspec is NOT to be published. It is only used as a local source!
+#
+
+Pod::Spec.new do |s|
+  s.name             = 'Flutter'
+  s.version          = '1.0.0'
+  s.summary          = 'High-performance, high-fidelity mobile apps.'
+  s.description      = <<-DESC
+Flutter provides an easy and productive way to build and deploy high-performance mobile apps for Android and iOS.
+                       DESC
+  s.homepage         = 'https://flutter.io'
+  s.license          = { :type => 'MIT' }
+  s.author           = { 'Flutter Dev Team' => 'flutter-dev@googlegroups.com' }
+  s.source           = { :git => 'https://github.com/flutter/engine', :tag => s.version.to_s }
+  s.ios.deployment_target = '8.0'
+  s.vendored_frameworks = 'Flutter.framework'
+end

example/ios/Podfile

@@ -0,0 +1,38 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '9.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

example/ios/Podfile.lock

@@ -0,0 +1,47 @@
+PODS:
+  - Flutter (1.0.0)
+  - image_picker (0.0.1):
+    - Flutter
+  - permission_handler (3.3.0):
+    - Flutter
+  - r_scan (0.0.1):
+    - Flutter
+    - ZBarSDK (~> 1.3.1)
+    - ZXingObjC (~> 3.6.5)
+  - ZBarSDK (1.3.1)
+  - ZXingObjC (3.6.5):
+    - ZXingObjC/All (= 3.6.5)
+  - ZXingObjC/All (3.6.5)
+
+DEPENDENCIES:
+  - Flutter (from `Flutter`)
+  - image_picker (from `.symlinks/plugins/image_picker/ios`)
+  - permission_handler (from `.symlinks/plugins/permission_handler/ios`)
+  - r_scan (from `.symlinks/plugins/r_scan/ios`)
+
+SPEC REPOS:
+  trunk:
+    - ZBarSDK
+    - ZXingObjC
+
+EXTERNAL SOURCES:
+  Flutter:
+    :path: Flutter
+  image_picker:
+    :path: ".symlinks/plugins/image_picker/ios"
+  permission_handler:
+    :path: ".symlinks/plugins/permission_handler/ios"
+  r_scan:
+    :path: ".symlinks/plugins/r_scan/ios"
+
+SPEC CHECKSUMS:
+  Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  image_picker: 9c3312491f862b28d21ecd8fdf0ee14e601b3f09
+  permission_handler: 67637977b227d62d46bfbf524f335f8568de5a73
+  r_scan: f90e2a41679bc9cae0e7efe5ce54085a936125c3
+  ZBarSDK: 4c1b5daeb7d6cc67dc9355e690af0230a661f6ec
+  ZXingObjC: fdbb269f25dd2032da343e06f10224d62f537bdb
+
+PODFILE CHECKSUM: 8e679eca47255a8ca8067c4c67aab20e64cb974d
+
+COCOAPODS: 1.10.0

example/ios/Runner.xcodeproj/project.pbxproj

@@ -185,7 +185,7 @@
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {
 						CreatedOnToolsVersion = 7.3.1;
-						DevelopmentTeam = W366PUAJFC;
+						DevelopmentTeam = FN58BLDZJA;
 					};
 				};
 			};
@@ -229,9 +229,12 @@
 			files = (
 			);
 			inputPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
+				"${PODS_ROOT}/../Flutter/Flutter.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -294,9 +297,18 @@
 			files = (
 			);
 			inputPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh",
+				"${PODS_ROOT}/ZBarSDK/iphone/res/zbar-back.png",
+				"${PODS_ROOT}/ZBarSDK/iphone/res/zbar-help.html",
+				"${PODS_ROOT}/ZBarSDK/iphone/res/zbar-helpicons.png",
+				"${PODS_ROOT}/ZBarSDK/iphone/res/zbar-samples.png",
 			);
 			name = "[CP] Copy Pods Resources";
 			outputPaths = (
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/zbar-back.png",
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/zbar-help.html",
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/zbar-helpicons.png",
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/zbar-samples.png",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -394,7 +406,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = W366PUAJFC;
+				DEVELOPMENT_TEAM = FN58BLDZJA;
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -524,7 +536,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = W366PUAJFC;
+				DEVELOPMENT_TEAM = FN58BLDZJA;
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -548,7 +560,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = W366PUAJFC;
+				DEVELOPMENT_TEAM = FN58BLDZJA;
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",

example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

ios/Classes/RScanCamera.m

@@ -402,8 +402,10 @@ FourCharCode const rScanVideoFormat = kCVPixelFormatType_32BGRA;
         cam.eventChannel = eventChannel;
         result(@{
             @"textureId":@(textureId),
-            @"previewWidth":@(cam.previewSize.width),
-            @"previewHeight":@(cam.previewSize.height)
+            @"previewWidth":@([UIScreen mainScreen].bounds.size.width),
+            @"previewHeight":@([UIScreen mainScreen].bounds.size.height)
+//            @"previewWidth":@(cam.previewSize.width),
+//            @"previewHeight":@(cam.previewSize.height)
         });
         
         [cam start];

pubspec.lock

@@ -1,62 +1,55 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.11"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.5.2"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.4.0"
+    version: "2.5.0-nullsafety.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.1.0-nullsafety.1"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.2"
-  collection:
+    version: "1.2.0-nullsafety.1"
+  clock:
     dependency: transitive
     description:
-      name: collection
-      url: "https://pub.dev"
+      name: clock
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.14.11"
-  convert:
+    version: "1.1.0-nullsafety.1"
+  collection:
     dependency: transitive
     description:
-      name: convert
-      url: "https://pub.dev"
+      name: collection
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.1.1"
-  crypto:
+    version: "1.15.0-nullsafety.3"
+  fake_async:
     dependency: transitive
     description:
-      name: crypto
-      url: "https://pub.dev"
+      name: fake_async
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.1.3"
+    version: "1.2.0-nullsafety.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -67,55 +60,27 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  image:
-    dependency: transitive
-    description:
-      name: image
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.4"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0-nullsafety.3"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.6.4"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.8.0+1"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.4.0"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.5"
+    version: "1.8.0-nullsafety.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -125,64 +90,57 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.5.5"
+    version: "1.8.0-nullsafety.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0-nullsafety.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.2.11"
+    version: "0.2.19-nullsafety.2"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.3"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.8"
-  xml:
-    dependency: transitive
-    description:
-      name: xml
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "3.5.0"
+    version: "2.1.0-nullsafety.3"
 sdks:
-  dart: ">=2.4.0 <3.0.0"
+  dart: ">=2.10.0-110 <2.11.0"