![\"flutter](\"https:\/\/www.contus.com\/blog\/wp-content\/uploads\/2023\/11\/flutter-video-chat.webp\")
Flutter is an open-source, multi-platform framework developed by Google. It is an easy-to-use UI toolkit for developing and deploying apps on iOS, Android, the Web, and desktops with a single-code base. Flutter is often used with Dart, an object-oriented programming language<\/a> developed by Google.<\/p>\n\n\n\n Flutter is popular and well-known for its key benefits, such as<\/p>\n\n\n\n WebRTC stands for Web real-time communication protocol<\/a>, which is a free open-source project that facilitates real-time communication among peers via APIs (application programming interfaces).<\/p>\n\n\n\n These APIs can be integrated into any web or mobile app. Here are some of the key benefits of WebRTC<\/a>:<\/p>\n\n\n\n Flutter_WebRTC is a plugin for the Flutter framework to build secure multi-platform apps with real-time audio and video <\/a>functionalities.<\/p>\n\n\n Some key benefits of Flutter_WebRTC chat and video call are<\/strong><\/em><\/p>\n\n\n\n Building a Flutter WebRTC voice and video calling app with MirrorFly involves implementing the WebRTC protocol to enable real-time communication in your Flutter app, such as video and audio conversations, as well as making use of MirrorFly’s APIs for advanced capabilities like messaging, presence, and notifications. <\/p>\n\n\n\n Steps To Build A Flutter_WebRTC Video Calling App<\/em><\/strong><\/p>\n\n\n\n The following are the key steps for creating a simple Flutter WebRTC app using MirrorFly:<\/strong><\/em><\/p>\n\n\n\n Requirements<\/strong><\/p>\n\n\n\n For Android<\/strong><\/p>\n\n\n\n For iOS<\/strong><\/p>\n\n\n\n Get License Key<\/strong><\/p>\n\n\n\n r Create Android Dependency<\/strong><\/p>\n\n\n\n Ensure that the following attributes are included in the app\/build.gradle file in your Android folder.<\/p>\n\n\n\n Create iOS dependency<\/strong><\/p>\n\n\n\n Now, navigate to the Background Mode and enable the modes listed below.<\/p>\n\n\n\n Create Flutter Dependency<\/strong><\/p>\n\n\n\n You can then use all the classes and methods with the following import statement:<\/p>\n\n\n\n Initialize MirrorFly Plugin<\/strong><\/p>\n\n\n\n To initialize the plugin, add the following code inside the main.dart file, within the main function, before runApp().<\/p>\n\n\n\n Login<\/strong><\/p>\n\n\n\n To log in a user in sandbox Live mode, utilize the following method:<\/p>\n\n\n\n Make a Voice Call<\/strong><\/p>\n\n\n\n To initiate a one-on-one voice call, use the method provided below.<\/p>\n\n\n\n Receive a call<\/strong><\/p>\n\n\n\n The SDK will handle receiving and processing the incoming call payload, and will trigger CallKit for iOS and Incoming Call Intent for Android when connected to the server in the foreground state. Once the call is presented with Accept\/Reject options, you can either accept or decline the call. If you accept the call, the onCallStatusUpdated event listener will be triggered, and the status will be updated to “Attended.”<\/p>\n\n\n\n On implementing these steps, you will have a fully functional Flutter WebRTC app for your platform. <\/p>\n\n\n\n Flutter WebRTC uses the W3C WebRTC API<\/a>, which allows developers to build cross-platform-compatible real-time video calling applications with ease. The API takes care of heavy loads, which enables developers to concentrate on building the app without worrying about real-time functionalities.<\/p>\n\n\n Handling Errors and Debugging Your Application<\/em><\/strong><\/p>\n\n\n\n Handling errors and debugging your application in the WebRTC Flutter project involves a few steps, as follows:<\/p>\n\n\n\n 1. Checking for known issues: <\/strong>If you encounter any errors while working on your FLutter-WebRTC plugin, you can easily look into the issues through the plugin’s GitHub page for known issues.<\/p>\n\n\n\n 2. Enabling debug logging: <\/strong>You can enable debug logging to help troubleshoot your application. Here\u2019s how you can do it:<\/p>\n\n\n\n A callback function is available in the WebrtcLog class for when a log message is generated. This callback can be used to show the log message in the user interface of your program.<\/p>\n\n\n\n 3. Reporting Errors to a Service: <\/strong>Create a report regarding the error and the associated stack trace. Once the report is prepared, you can send it to error tracking services like Bugsnag, Datadog, Firebase Crashlytics, Rollbar, or Sentry.<\/p>\n\n\n\n Debugging is an important part of development, especially when working with frameworks like Flutter. It helps you troubleshoot problems that may not become evident with frequent use and understand what\u2019s going on beneath the surface. Mastering Flutter debugging can make the process even more efficient and effective.<\/p>\n\n\n\n Using a Signaling Server<\/strong><\/p>\n\n\n\n A WebRTC connection can be enabled by exchanging signaling data among peers. This data typically includes information such as session descriptions and ICE candidates. The Flutter-WebRTC plugin doesn\u2019t provide a signaling server, so you have to implement it on your own.<\/p>\n\n\n\n But here is a simple way. The Flutter-WebRTC community maintains a flutter-webrtc-server project that provides a simple signaling data server for the WebRTC-Flutter plugin. Here\u2019s how you can make use of it.<\/p>\n\n\n\n After running these commands, open https:\/\/0.0.0.0:8086 for Flutter Web Demo. Check webrtc-flutter-demo to test the mobile app.<\/p>\n\n\n\n In order to use it in a production environment, perform multiple tests to make sure of the result.<\/p>\n\n\n\n The Flutter WebRTC plugin has multiple advanced features for real-time video and audio calling apps. Here come the advanced features of the WebRTC Flutter plugin.<\/p>\n\n\n These are some of the advanced features of the Flutter WebRTC plugin that allow you to create an advanced real-time audio and video calling app.<\/a><\/p>\n\n\n\n MirrorFly is a secure in-app chat, voice, and video API provider for iOS, Android, Web<\/a>. It has 150+ enriched communication features for real-time communication with multi-platform compatibility by enabling Flutter WebRTC plugin.<\/p>\n\n\n\n MirrorFly SDKs are compatible with apps of any size and have advanced security features and API infrastructure.<\/p>\n\n\n\n Here are some of the key features of the MirrorFly SDK’s Flutter WebRTC plugin.<\/strong><\/p>\n\n\n\n Moreover, MirrorFly in-app communication SDKs allow you to integrate their SDKs at a one-time license fee with complete ownership of source codes or buy on month-on-month subscription packages. Book a quick demo to check your app’s feasibility with the Flutter-WebRTC plugin<\/a>.<\/p>\n\n\n\n Thank you for reaching this far by investing your time in reading this article. I hope this article gives you enough data regarding the Flutter WebRTC plugin. If you are planning to integrate the WebRTC Flutter plugin into your app, try a demo with multiple providers.<\/p>\n\n\n\n If you still have any queries regarding the Flutter WebRTC plugin, you can post them in the comments section below or talk to an expert who can clarify your queries in real-time<\/a>.<\/p>\n\n\n\n Good luck on your search. Adios Amigo! Signing off.<\/p>\n\n\n\n\n
<\/span>What is WebRTC?<\/span><\/h2>\n\n\n
![\"flutter](\"https:\/\/www.contus.com\/blog\/wp-content\/uploads\/2023\/11\/webrtc-video-chat.webp\")
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<\/span>What is Flutter_WebRTC?<\/span><\/h2>\n\n\n\n
![\"flutter](\"https:\/\/www.contus.com\/blog\/wp-content\/uploads\/2023\/11\/flutter-webrtc-plugin-1024x310.webp\")
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<\/span>How To Build A Flutter WebRTC Video Calling App in 2026?<\/span><\/h2>\n\n\n\n
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<\/span>Step 1: Create a MirrorFly Account<\/strong><\/span><\/h3>\n\n\n\n
<\/span>Step 2: Log in to your Account<\/strong><\/span><\/h3>\n\n\n\n
<\/span>Step 3: Retrieve the License key from the app Info section<\/strong><\/span><\/h3>\n\n\n\n
![](\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcg10K7zTqBKgM1eLxrroa_hsnvQq4mp-LITOKoh-MkkDiVD3DWHEX_9xzyvr1EIwXW_3NLrisVcRFBlTtMe3DotnnecJje9iBQJCCk7Q6Wlu0dlo8P7pHgBKswYD7YhLtnHZps2g?key=nDoCugzHivz-tDDeOWxChdC0\")
Integrate Call SD<\/strong>K<\/h4>\n\n\n\n
<\/span>Step 4: Add the following code to the root build.gradle file in your Android folder.<\/strong><\/span><\/h3>\n\n\n\n
allprojects {\n repositories {\n ...\n ...\n jcenter()\n maven {\n url \"https:\/\/repo.mirrorfly.com\/release\"\n }\n }\n} <\/code><\/pre>\n\n\n\nandroid {\n compileSdk 34 \/\/ or higher\n ...\n defaultConfig {\n ...\n minSdkVersion 21\n targetSdkVersion 34 \/\/ or higher\n }\n}<\/code><\/pre>\n\n\n\n<\/span>Step 5: Verify and add the following code at the end of your ios\/Podfile.<\/strong><\/span><\/h3>\n\n\n\n
post_install do |installer|\n installer.aggregate_targets.each do |target|\n target.xcconfigs.each do |variant, xcconfig|\n xcconfig_path = target.client_root + target.xcconfig_relative_path(variant)\n IO.write(xcconfig_path, IO.read(xcconfig_path).gsub(\"DT_TOOLCHAIN_DIR\", \"TOOLCHAIN_DIR\"))\n end\n end\n \n installer.pods_project.targets.each do |target|\n flutter_additional_ios_build_settings(target)\n target.build_configurations.each do |config|\n config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '12.1'\n config.build_settings['ENABLE_BITCODE'] = 'NO'\n config.build_settings['APPLICATION_EXTENSION_API_ONLY'] = 'No'\n config.build_settings['BUILD_LIBRARY_FOR_DISTRIBUTION'] = 'YES'\n config.build_settings[\"EXCLUDED_ARCHS[sdk=iphonesimulator*]\"] = 'arm64'\n \n shell_script_path = \"Pods\/Target Support Files\/#{target.name}\/#{target.name}-frameworks.sh\"\n if File::exist?(shell_script_path)\n shell_script_input_lines = File.readlines(shell_script_path)\n shell_script_output_lines = shell_script_input_lines.map { |line| line.sub(\"source=\\\"$(readlink \\\"${source}\\\")\\\"\", \"source=\\\"$(readlink -f \\\"${source}\\\")\\\"\") }\n File.open(shell_script_path, 'w') do |f|\n shell_script_output_lines.each do |line|\n f.write line\n end\n end\n end\n end\n end\nend\n<\/code><\/pre>\n\n\n\n<\/span>Step 6: Now, disable Bitcode for your project.<\/strong><\/span><\/h3>\n\n\n\n
Goto Project -> Build Settings -> Filter the term `Bitcode` -> and select No from the dropdown<\/code><\/pre>\n\n\n\n![](\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfdyfNJHlH-XgjlSp2K6lO65vOji0aBYvYiRDAWkwMX-egyZDCVYO7m3p7eNit43_GCJUBL69gtaCMyAfrkO6xhDEgyveTiBkQVR7YVuywBvKocLs8gx6UhE7oXTy5hyjOWRwWGcQ?key=nDoCugzHivz-tDDeOWxChdC0\")
<\/span>Step 7: Now, enable all the capabilities listed below in your project.<\/strong><\/span><\/h3>\n\n\n\n
Goto Project -> Target -> Signing & Capabilities -> Click + at the top left corner -> Search for the capabilities below<\/code><\/pre>\n\n\n\n\n
![](\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdGwN0hexW08lsTHu0hKh4T7DoVIkh0ZuQL4usgsiiJuRmn-CDweRHeFpNXuQ7X0_ODSNj1unJEL7E5N17FTkMSC22cWuoSI76qSkOlACbI-yPtJ8pjD0LR-yxGhQs3zy7e21-CDQ?key=nDoCugzHivz-tDDeOWxChdC0\")
<\/span>Step 8: Add the dependencies listed below in the pubspec.yaml file.<\/strong><\/span><\/h3>\n\n\n\n
dependencies:\n mirrorfly_plugin: ^1.0.7\n<\/code><\/pre>\n\n\n\n<\/span>Step 9: Run the flutter pub get command in your project directory. <\/strong><\/span><\/h3>\n\n\n\n
import 'package:mirrorfly_plugin\/mirrorfly.dart';<\/code><\/pre>\n\n\n\nvoid main() {\n WidgetsFlutterBinding.ensureInitialized();\n Mirrorfly.initializeSDK(\n licenseKey: LICENSE_KEY,\n iOSContainerID: iOS_APP_GROUP_ID,\n flyCallback: (FlyResponse response) {\n runApp(const MyApp());\n }\n );\n }<\/code><\/pre>\n\n\n\nMirrorfly.login(userIdentifier: userIdentifier,\n fcmToken: token,\n isForceRegister: isForceRegister,\n flyCallback: (FlyResponse response) {\n if(response.isSuccess && response.hasData){\n \/\/ you will get the user registration response\n var userData = registerModelFromJson(value);\n }\n});<\/code><\/pre>\n\n\n\nMirrorfly.makeVoiceCall(toUserJid: USER_JID, flyCallBack: (FlyResponse response) {\n if (response.isSuccess) {\n }\n});<\/code><\/pre>\n\n\n\nMirrorfly.onCallStatusUpdated.listen((event) {\n var statusUpdateReceived = jsonDecode(event);\n var callMode = statusUpdateReceived[\"callMode\"].toString();\n var userJid = statusUpdateReceived[\"userJid\"].toString();\n var callType = statusUpdateReceived[\"callType\"].toString();\n var callStatus = statusUpdateReceived[\"callStatus\"].toString();\n});<\/code><\/pre>\n\n\n\n<\/span>How Does Flutter WebRTC App Work?<\/span><\/h2>\n\n\n\n
![\"flutter](\"https:\/\/www.contus.com\/blog\/wp-content\/uploads\/2023\/11\/flutter-webrtc-video-call-1024x535.webp\")
cation. Here\u2019s how you can do it:\n\/\/ Create a new instance of the WebrtcLog class\nWebrtcLog _webrtcLog;\n\n\/\/ Use the WebrtcLog methods to start and stop logging\n_webrtcLog = WebrtcLog(onMessage: (String message) {});\nawait _webrtcLog.start();\n\n\/\/ To stop logging:\nawait _webrtcLog.stop();<\/code><\/pre>\n\n\n\n# Clone the repository\ngit clone https:\/\/github.com\/flutter-webrtc\/flutter-webrtc-server.git\n\n# Change directory\ncd flutter-webrtc-server\n\n# Use mkcert to create a self-signed certificate\nbrew update\nbrew install mkcert\nmkcert -key-file configs\/certs\/key.pem -cert-file configs\/certs\/cert.pem localhost 127.0.0.1 ::1 0.0.0.0\n\n# Run the server\nbrew install golang\ngo run cmd\/server\/main.go\n<\/code><\/pre>\n\n\n\n<\/span>Advanced Features of Flutter WebRTC<\/span><\/h2>\n\n\n\n
![\"flutter](\"https:\/\/www.contus.com\/blog\/wp-content\/uploads\/2023\/11\/features-of-flutter-webrtc-1024x535.webp\")
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<\/span>Integrate WebRTC Flutter SDK Using MirrorFly in Easy Steps<\/span><\/h2>\n\n\n\n
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<\/span>Signing Off<\/span><\/h3>\n\n\n\n