【WIP】Flutter speech_to_text 5.4.2 を Android エミュレータで動かしたい

$ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 2.8.1, on macOS 11.4 20F71 darwin-x64, locale ja-JP)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[✓] Xcode - develop for iOS and macOS (Xcode 13.2.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 4.2)
[✓] VS Code (version 1.63.2)
[✓] Connected device (3 available)

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.speech_android">

    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.BLUETOOTH"/>
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT"/>

    <queries>
        <intent>
            <action android:name="android.speech.RecognitionService" />
        </intent>
    </queries>  

   <application
        android:label="speech_android"
        android:name="${applicationName}"
        android:icon="@mipmap/ic_launcher">
        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:launchMode="singleTop"
            android:theme="@style/LaunchTheme"
            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
            android:hardwareAccelerated="true"
            android:windowSoftInputMode="adjustResize">
            <!-- Specifies an Android theme to apply to this Activity as soon as
                 the Android process has started. This theme is visible to the user
                 while the Flutter UI initializes. After that, this theme continues
                 to determine the Window background behind the Flutter UI. -->
            <meta-data
              android:name="io.flutter.embedding.android.NormalTheme"
              android:resource="@style/NormalTheme"
              />
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
        <!-- Don't delete the meta-data below.
             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
        <meta-data
            android:name="flutterEmbedding"
            android:value="2" />
    </application>
</manifest>

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 31

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = '1.8'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.speech_android"
        minSdkVersion 21
        targetSdkVersion 30
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
}

android {
  defaultConfig {
    minSdkVersion 21
  }
}

FAILURE: Build failed with an exception.

* Where:
Build file '/Users/xxxx/private/flutter/TEST/Speach/test6/android/build.gradle' line: 1

* What went wrong:
A problem occurred evaluating root project 'android'.
> Could not find method android() for arguments [build_a0y21vkhlr302id1arv7i8khq$_run_closure1@30b51be4] on root project 'android' of type org.gradle.api.Project.

apply plugin: 'com.android.application'

2: Task failed with an exception.
-----------
* What went wrong:
A problem occurred configuring root project 'android'.
> compileSdkVersion is not specified. Please add it to build.gradle

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

android {
  defaultConfig {
    minSdkVersion 21
    compileSdkVersion 28
  }
}

//task clean(type: Delete) {
//    delete rootProject.buildDir
//}

AILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':generateDebugBuildConfig'.
> Failed to calculate the value of task ':generateDebugBuildConfig' property 'buildConfigPackageName'.
   > Failed to query the value of property 'packageName'.
      > Manifest file does not exist: /Users/xxxx/private/flutter/TEST/Speach/test6/android/src/main/AndroidManifest.xml

//minSdkVersion flutter.minSdkVersion
minSdkVersion 21

android {
    compileSdkVersion 29
    ~ 省略 ~
    defaultConfig {
        targetSdkVersion 29

e: /Users/xxxx/work/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/speech_to_text-5.4.2/android/src/main/kotlin/com/csdcorp/speech_to_text/SpeechToTextPlugin.kt: (458, 87): Unresolved reference: BLUETOOTH_CONNECT
e: /Users/xxxx/work/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/speech_to_text-5.4.2/android/src/main/kotlin/com/csdcorp/speech_to_text/SpeechToTextPlugin.kt: (651, 30): Unresolved reference: ERROR_LANGUAGE_NOT_SUPPORTED
e: /Users/xxxx/work/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/speech_to_text-5.4.2/android/src/main/kotlin/com/csdcorp/speech_to_text/SpeechToTextPlugin.kt: (652, 30): Unresolved reference: ERROR_LANGUAGE_UNAVAILABLE
e: /Users/xxxx/work/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/speech_to_text-5.4.2/android/src/main/kotlin/com/csdcorp/speech_to_text/SpeechToTextPlugin.kt: (653, 30): Unresolved reference: ERROR_SERVER_DISCONNECTED
e: /Users/xxxx/work/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/speech_to_text-5.4.2/android/src/main/kotlin/com/csdcorp/speech_to_text/SpeechToTextPlugin.kt: (654, 30): Unresolved reference: ERROR_TOO_MANY_REQUESTS
2

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':speech_to_text:compileDebugKotlin'.
> Compilation error. See log for more details

    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.BLUETOOTH"/>
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT"/>

<queries>
    <intent>
        <action android:name="android.speech.RecognitionService" />
    </intent>
</queries>

compileSdkVersion 31
targetSdkVersion 30