build.gradle

apply plugin: 'com.android.application'

android {
    signingConfigs {
        config_zozobreak {
            keyAlias 'keyzozo'
            keyPassword 'zozobreak'
            storeFile file('C:/Users/zozobreak/zozobreak.jks')
            storePassword 'zozobreak'
        }
    }
    compileSdkVersion 26
    defaultConfig {
        applicationId = 'com.example.debugtest'
        minSdkVersion 14
        targetSdkVersion 26
        versionCode = 1
        versionName = '1.0'
        ndk {
            abiFilters 'armeabi-v7a'
        }
        externalNativeBuild {
            cmake {
                cppFlags ""
            }
        }
        signingConfig signingConfigs.config_zozobreak
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'),
                    'proguard-rules.pro'
        }
    }
    productFlavors {
    }
    sourceSets {
        main {
            //jni.srcDirs = ['g:/code/git/mgv-ng-4.1/debugtest']
        }
    }
    externalNativeBuild {
        cmake {
            path "CMakeLists.txt"
        }
    }
}

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
}

task buildDebugCLib(type:Exec) {

    group 'build'

    description 'build jni libs'

    workingDir 'g:/code/git/mgv-ng-4.1'

    commandLine 'cmd', '/c', 'g:/code/git/mgv-ng-4.1/builddebugtest.bat Debug'

    //store the output instead of printing to the console:
    standardOutput = new ByteArrayOutputStream()

    //extension method buildCLib.output() can be used to obtain the output:
    ext.output = {
        return standardOutput.toString()
    }
}


task buildReleaseCLib(type:Exec) {
    group 'build'
    description 'build jni libs'
    workingDir 'g:/code/git/mgv-ng-4.1'
    commandLine 'cmd', '/c', 'g:/code/git/mgv-ng-4.1/builddebugtest.bat Release'
}

/*
tasks.whenTaskAdded { task ->
    if (task.name == 'assembleDebug') {
        task.mustRunAfter buildCLib
        task.dependsOn(buildCLib)
    }
}
*/

afterEvaluate {
    assembleDebug.dependsOn(buildDebugCLib)
    assembleRelease.dependsOn(buildReleaseCLib)
}