Setup Android Native SDK

• Download Baidu's Android 离在线融合 SDK
• Read Baidu's Speech Recognition Documentation for setup details
• Download the sdk, and unzip it.
• Open your android folder under Android Editor mode, create new module and package name
• Copy the sdk/core/libs/bdasr_V3_xxxx_xxx.jar to your Flutter android's android/<your-plugin>/libs/bdasr_V3_xxxx_xxx.jar
• Copy the directory from sdk/core/src/main/jniLibsto your Flutter androids's android/src/main/<jniLibs>
• Add -keep class com.baidu.speech.**{*;} to your Flutter android's proguard-rules.pro file
• Copy AndroidMainfest.xml settings from Baidu's Speech Recognition Documentation to your android's AndroidMainfest.xml
• In Baidu's Cloud Baidu's Speech Recogniztion, create an application and follow the on screen instruction.
  • After create the application, you can setup your APP_ID, APP_KEY, APP_SECRET in your AndroidMainfest.xml. Find the instruction in Baidu's Speech Recognition Documentation for details.
• To setup speech recognition service, copy paste

  <service android:name="com.baidu.speech.VoiceRecognitionService" android:exported="false" />

  to your AndroidMainfest.xml within your

  <application></application>

• Configure dependencies between your app and your_speech_plugin in build.gradle (Module: app)
• Under android/asr_plugin/java/<your-package-name>, implement your plugin function
• Setup ndk framework that flutter supports in app's build_gradle
• Setup your dependencies between Android's & Flutter by configure asr_plugin's build.gradle accordingly.
• Remember to configure your app's build_gradle to resolve dependencies conflicts between app & asr_plugin & libflutter.so.
  • app depend on libflutter.so & asr_plugin
  • asr_plugin depend on libflutter.so

Setup iOS Native SDK

• Download Baidu's iOS 离在线融合 SDK
• Read Baidu's Speech Recognition Documentation for setup details
• Download the sdk, and unzip it.
• Open your xcode workspace under <your-project>/ios/Runnerxcworkspace
• Create a new group such as plugin under Runner
• Copy the sdk/BSDClientLib to your Flutter iOS's plugin/ASRPlugin group directory you just created.with create groups mode.
• Add the sdk/BDSClientResource/ASR/BDSClientResources directory to your Flutter's iOS plugin/ASRPlugin group directory with the create folder references mode.
• Add the sdk/BDSClientResource/ASR/BDSClientEASRResources directory to your Flutter's iOS plugin/ASRPlugin group directory with the create groups mode.
• Rename your
• Setup / linked necessary frameworks and libraries in iOS's workspace Runner -> General tab
  • Add libz.1.2.5.tbd framework
  • Add libc++.tbd framework
  • Add CoreTelephony framework
  • Add libsqlite3.0.tbd framework
  • Add libiconv.2.4.0.tbd framework
  • Add libBaiduSpeechSDK.a found in downloaded sdk/BDSClientLib
  • Adjust your Library Search Paths in Build Settings tab if library not found
• Setup microphone permission usage
  • Under Runner/Info.plist, add key = Privacy - Microphone Usage Description, value = <any description you like>
• Under your Runner/plugin/ASRPlugin, create files & implement your function. Ex: AsrManager.h, AsrManager.m, AsrPlugin.h & AsrPlugin.m to integrate with Flutter's client through MessageChannel
• Register your AsrPlugin.h in Runner/App.delegate.m

Setup plugin & communication channel in Flutter

• Create a plugin directory under your Flutter's lib directory.
• Implement asr_manager.dart to invoke MethodChannel and functions so that we can communicate with native Android & iOS

• Preparing an Android app for release
• If there is a Gradle task assembleRelease failed with exit code 1 issues, in terminal type flutter clean and rebuild your apk flutter build apk.

• Preparing an iOS app for release