AppThreeFloor/OneBottomNavigationBar/build.gradle

apply plugin: 'com.android.library'
apply plugin: 'kotlin-android'


android {
    compileSdkVersion 30

    defaultConfig {
        minSdkVersion 15

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    lintOptions {
        abortOnError false
        checkReleaseBuilds false
    }

}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'androidx.appcompat:appcompat:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.1.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
    implementation "androidx.core:core-ktx:1.5.0"
    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.5.30'
}
repositories {
}