OcrDemo/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        google()
        mavenCentral()
        jcenter()
        
    }
    dependencies {
        classpath("com.android.tools.build:gradle:4.0.1")

        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files

        classpath("com.otaliastudios.tools:publisher:0.3.3")
        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.0")
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
        jcenter()
        maven { url 'https://jitpack.io' }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}


// 统一编译版本
ext.versions = [
        // Project
        minSdk              : 21,
        compileSdk          : 29,
        targetSdk           : 29,
        buildTools          : '29.0.2',
]