group 'dev.yanshouwang.bluetooth_low_energy' version '1.0-SNAPSHOT' buildscript { ext.kotlin_version = '1.6.10' repositories { google() mavenCentral() } dependencies { classpath 'com.android.tools.build:gradle:7.1.2' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" } } rootProject.allprojects { repositories { google() mavenCentral() } } apply plugin: 'com.android.library' apply plugin: 'kotlin-android' android { compileSdkVersion 31 compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } kotlinOptions { jvmTarget = '1.8' } sourceSets { main.java.srcDirs += 'src/main/kotlin' } defaultConfig { minSdkVersion 21 } } dependencies { implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" implementation 'com.google.protobuf:protobuf-kotlin:3.19.4' implementation 'com.google.guava:guava:31.1-android' }