home: const GenerateQRCode(), ); } } 4. 创建 generate_qr_code.dart 文件。 在generate_qr_code.dart 文件中,我们将有以下代码,其中包含用户界面(UI)的内容,用于生成二维码。 import 'package:flutter/material.dart'; import 'package:flutter_qr_code/qr_image.dart'; class GenerateQRCode extends Stat...
1. 在主工程的pubspec.yaml添加依赖annotations,generate,build_runner 代码如下: name:generate_code description:AnewFlutterapplication.publish_to:'none'# Remove this line if you wish to publish to pub.devversion:1.0.0+1environment:sdk:">=2.7.0 <3.0.0"dependencies:flutter:sdk:flutter annotations:path...
1. 新建一个plugin,名字叫code_generate 2.在code_generate项目下 pubspec.yaml文件中添加source_gen dependencies: flutter: sdk: flutter source_gen: '>=0.8.0' 创建builder.dart文件 import'package:code_generate/api_generator.dart';import'package:source_gen/source_gen.dart';import'package:build/build.d...
}class_MyHomePageStateextendsState<MyHomePage>{// 这段代码修改从 integer 改为了 string 为了承接验证码String_counter ="";void_incrementCounter() { setState(() {// 这段代码修改了_counter = OTP.generateTOTPCodeString('此处使用你自己复制下来的code',DateTime.now().millisecondsSinceEpoch, algorithm:...
generateJavaScriptCode(globalInferenceResults); 2、dartdevc 编译器 在dartdevc 我们不仅可以将代码直接运行在 chrome 浏览器,也可以将 flutter 代码编译为 js 文件部署在服务端。如果代码运行在 chrome 浏览器,flutter_tools 会使用 dartdevc 编译器进行编,如下图: ...
The Flutter Barcode Generator widget is a data visualization widget that is used to generate and display data in the machine-readable, industry-standard 1D and 2D barcodes. It provides a perfect approach to encode input values using supported symbology types. Human-readable text The Flutter Barcode...
将json字符串复制进去,填写类明后,点击Generate按钮即可 附快捷键: Windows:ALT + Shift + D Mac:Option + Shift + D 三.高效率JSON转Model 在pubspec.yaml中添加依赖 json_annotation: ^3.1.0 json_serializable: ^3.5.0 build_runner: ^1.0.0 ...
private void generateQrCode1(MethodCall call) { String code = call.argument("code"); Bitmap bitmap = createImage1(code, 200, 200, null); ByteArrayOutputStream baos = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos); ...
dependencies:ef_qrcode:0.3.3 Generate The method statement is as follows: staticFuture<File>generate(Stringcontent,StringbackgroundColor,StringforegroundColor) You can call this method liek this: voidgenerateImage()async{try{varimageFile=awaitEfQrcode.generate("content","#ffffff","#000000");setSt...
To generate an app bundle, run: flutter build appbundle --target-platform android-arm,android-arm64 Learn more on: https://developer.android.com/guide/app-bundle To split the APKs per ABI, run: flutter build apk --target-platform android-arm,android-arm64 --split-per-abi ...