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Developer flutter doctor -v Flutter (Channel stable, v1.9.1+hotfix.5, on Mac OS X 10.15 19A582a, locale en-GB). Flutter version 1.9.1+hotfix.5 at /usr/local/flutter. Framework revision 1aedbb1835 (7 hours ago), 2019-10-17 08:37:27 -0700. Engine revision b863200c37. Dart version 2.5.0 Android toolchain - develop for Android devices (Android SDK version 29.0.2). Android. In this video we install Flutter on Mac OS.Flutter mini series episodes:Installing Flutter on Mac OS: ⬅️⬅️⬅️ You are.
The Flutter barcode SDK series is coming to the end. This week, we switch the coding environment to macOS to finish the rest of the plugin platforms - iOS and macOS - using Swift.
The Series of Flutter Barcode SDK
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- Dynamsoft Barcode Reader
Flutter is a free download and installs quickly and easily. Once installed, you can use Flutter through the Mac's camera to control your audio file playback. You can hold up a palm to stop. Important: If you’re installing on a Mac with the latest Apple M1 processor, you may find these supplementary notes useful reading as we complete support for the new Apple Silicon architecture. Get the Flutter SDK. Download the following installation bundle to get the latest stable release of the Flutter SDK. Jul 28, 2021 This will take you to a download page for different Operating Systems. Pick your appropriate system. If you are using VSC, then you will probably be picking Windows, Mac, or Linux, although you can also download Flutter for ChromeOS. For Windows at least, you just get a download zip file. You will need to extract the file contents to a folder.
Flutter Barcode and QR Code Plugin for iOS
As always, we add the iOS template to the existing plugin project first:
The command generates a flutter_barcode_sdk.podspec file for build configuration and a Classes folder containing code implementation.
You can either set vendored_frameworks or dependency for linking in flutter_barcode_sdk.podspec. The difference is vendored_frameworks are the paths of the framework bundles shipped with the plugin, whereas setting dependency triggers pod install if the framework is not locally cached. If you have trouble in building the project with dependency, vendored_frameworks could be the alternative. The only problem of using vendored_frameworks is you cannot publish the package to pub.dev if the package size is over 100 MB.
Next, we open Classes/SwiftFlutterBarcodeSdkPlugin.swift file to start coding.
Here is the code snippet for importing and initializing Dynamsoft Barcode Reader:
The organization ID 200001 authorizes developers to use the SDK for 7 days.
The public func handle() function is used to handle Flutter method call:
We can implement the corresponding methods as follows:
Flutter Mac Download
Before testing the plugin, we have to open example/ios/Runner.xcworkspace in Xcode to configure the signing certificate. After that, we can run flutter run in terminal to launch the barcode scanner demo app. No extra Flutter code needed, because the Dart code for UI is shared between Android and iOS:
Flutter Barcode and QR Code Plugin for macOS
Once the Flutter barcode plugin is done for iOS, developing the plugin for macOS is much easier. Probably you have noticed that there is no framework for macOS but only dylib. To utilize the barcode SDK for macOS, we need to create a bridging header.
Here are the steps:
Add the Flutter macOS template to the current plugin project:
Create a bridging header
macos/Runner/Runner-Bridging-Header.h:Set the path of the bridging header in Xcode:
Copy the Swift code from
ios/Classes/SwiftFlutterBarcodeSdkPlugin.swifttomacos/Classes/FlutterBarcodeSdkPlugin.swift.
Although the macOS application can now run successfully, it will fail to access files due to the sandbox restriction. To enable loadings file via file path string, we disable the entitlementcom.apple.security.app-sandbox in example/macos/Runner/DebugProfile.entitlements:
Finally, the Flutter macOS barcode reader can work perfectly. Let’s test it with a distorted QR Code image:
Ending
So far, the Flutter barcode SDK has covered Windows, Linux, macOS, iOS, Android, and web. It will also support Fuchsia OS in the near future.