WM24 - How to use firebase on windev mobile

[windev]buildscript {
repositories {
google()
jcenter()
}

dependencies {
classpath 'com.android.tools.build:gradle:3.1.0'
classpath 'com.google.gms:google-services:3.0.0'

}
}
repositories {
google()
jcenter()
flatDir {
dirs getProject().file('libs')
}

}
apply plugin: 'com.android.application'
archivesBaseName = 'OTP_TEST'
android {
compileSdkVersion 28
buildToolsVersion '28.0.2'
useLibrary 'org.apache.http.legacy'

defaultConfig {
applicationId "com.mycompany.otp_test"
ndk {
abiFilters "armeabi-v7a", "arm64-v8a", "x86"
}
}

sourceSets {
main {
manifest.srcFile getProject().file('AndroidManifest.xml')
java.srcDirs = [getProject().file('src')]
resources.srcDirs = [getProject().file('src')]
res.srcDirs = [getProject().file('res')]
assets.srcDirs = [getProject().file('assets')]
aidl.srcDirs = [getProject().file('src')]
jniLibs.srcDirs = [getProject().file('libs')]
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_6
targetCompatibility JavaVersion.VERSION_1_6
}
lintOptions {
abortOnError false
}
signingConfigs {
release {

storePassword ''
keyAlias ''
keyPassword ''
}
}
aaptOptions {
noCompress 'FNC'
}

android {
dexOptions {
preDexLibraries = false
jumboMode = false
javaMaxHeapSize = '4096m'
}

}
buildTypes {
debug {
zipAlignEnabled true
minifyEnabled false
proguardFile file('prg.dat')
multiDexEnabled false

}
release {
zipAlignEnabled true
signingConfig signingConfigs.release
minifyEnabled false
proguardFile file('prg.dat')
multiDexEnabled false

}
applicationVariants.all { variant ->
variant.outputs.each { output ->
// Customise APK filenames (to include build version)
if (variant.buildType.zipAlignEnabled) {
output.outputFileName = new File(archivesBaseName + ".apk")
}
}
}
}

}

dependencies {
// Remote binary dependency
implementation 'com.google.firebase:firebase-auth:17.2.2'
implementation 'com.google.android.gmslay-service-base:17.0.0'
implementation 'com.android.support:support-v4:27.1.+'
implementation 'com.android.support:appcompat-v7:27.1.+'
implementation 'com.google.android.gmslay-services-base:15.0.1'
implementation 'com.google.firebase:firebase-messaging:15.0.2'

// Local binary dependency
implementation fileTree(dir: getProject().file('libs'), include: ['*.jar'], exclude: 'libs/fmkJava.jar')
implementation files(getProject().file('libs/fmkJava.jar'))

}

gradle.projectsEvaluated {
preBuild.dependsOn(makeJar)
tasks.withType(JavaCompile) {
options.warnings = false
}
}

task makeJar(type: Jar) {
baseName = 'fmkJava'
destinationDir=getProject().file('libs')
from fileTree(dir: getProject().file('libs'), include: ['**/*.class'])
outputs.upToDateWhen {
archivePath.exists()
}
}
apply plugin: 'com.google.gms.google-services'[/windev]



sorry ask you so many because i'm newbie using windev mobile,very glad you still want help me