douyin_demo/android/app/build.gradle

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 33
    signingConfigs {
        release {
            storeFile file("sign/flutter_douyin.jks")
            keyAlias "key0"
            keyPassword "VgH2t_ZzTLh5"
            storePassword "VgH2t_ZzTLh5"
        }
    }
    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.douyin_demo"
        minSdkVersion 21
        targetSdkVersion 33
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            signingConfig signingConfigs.release
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    // implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    // testImplementation 'junit:junit:4.12'
    // androidTestImplementation 'androidx.test:runner:1.1.0'
    // androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
    implementation 'com.google.firebase:firebase-analytics:17.2.0'
    api 'com.google.firebase:firebase-ml-vision-image-label-model:17.0.2'
    api 'com.google.firebase:firebase-ml-vision-face-model:17.0.2'
}

apply plugin: 'com.google.gms.google-services'