imgui/examples/example_android_opengl3/android/app/build.gradle

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

android {
    compileSdkVersion 29
    buildToolsVersion "30.0.3"
    ndkVersion "21.4.7075529"
    defaultConfig {
        applicationId "imgui.example.android"
        minSdkVersion 23
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt')
        }
    }

    externalNativeBuild {
        cmake {
            path "../../CMakeLists.txt"
        }
    }
}
repositories {
    mavenCentral()
}
dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
}