ChartAndCalendarView/app/build.gradle

//noinspection GradleCompatible
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'kotlin-android'

android {
    compileSdkVersion 28
    //noinspection GradleDependency
    defaultConfig {
        applicationId "com.haibin.calendarviewproject"
        minSdkVersion 15
        //noinspection OldTargetApi
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    /*  androidTestImplementation('androidx.test.espresso:espresso-core:3.1.0', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })*/
    //noinspection GradleDependency
    //implementation 'androidx.appcompat:appcompat:1.0.0'
    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support:design:28.0.0'
    //noinspection GradleDependency
    //implementation 'com.google.android.material:material:1.0.0'
    //noinspection GradleDependency
    implementation 'com.github.bumptech.glide:glide:3.7.0'
    //implementation 'com.haibin:calendarview:3.6.7'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    testImplementation 'junit:junit:4.12'
    implementation project(':calendarview')
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

}
repositories {
    mavenCentral()
}