1.AndroidManifest.xml

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

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

2.settings.gradle

plugins {
    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
    id "com.android.application" version "7.3.0" apply false
    id "org.jetbrains.kotlin.android" version "1.9.10" apply false
}

3.app build.gradle

buildTypes {
        debug {
            signingConfig signingConfigs.debug
            //x86用于模拟器
            ndk {
                abiFilters 'armeabi-v7a', 'arm64-v8a','x86'
            }
        }
        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
            ndk {
                abiFilters 'armeabi-v7a', 'arm64-v8a'
            }
        }
    }

4.gradle-wrapper.properties

distributionUrl=https\://mirrors.cloud.tencent.com/gradle/gradle-7.5-all.zip

5.MainActivity

import android.os.Bundle;
// 重点1
import io.flutter.embedding.android.FlutterActivity;
import io.flutter.embedding.engine.FlutterEngine;
import io.flutter.plugin.common.MethodChannel;
import androidx.annotation.NonNull;
import io.flutter.plugins.GeneratedPluginRegistrant;
import android.annotation.SuppressLint;


public class MainActivity extends FlutterActivity {

    private String flutterMethodChannelName = "flutterCallbackMethodChannel";
    MethodChannel methodChannel_callFlutter;

    @SuppressLint("NewApi")
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        methodChannel_callFlutter = new
                // 重点2
                MethodChannel(getFlutterEngine().getDartExecutor().getBinaryMessenger(), flutterMethodChannelName);
    }

    public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
        // 重点3
        super.configureFlutterEngine(flutterEngine);
        GeneratedPluginRegistrant.registerWith(flutterEngine);  /// 刚开始怎么运行此处都报错，将其删除再粘贴回去，居然不报错了，奇了个怪了。
    }

}

6.如果出现：

Module was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.9.0, expected version is 1.7.1.

强制改一下插件kotlin版本