I'm getting error with build.gradle vscode - flutter

Question

im getting this error when i run the app, vscode flutter, i just clone this proj from github
`FAILURE: Build failed with an exception.
Where:
Build file 'C:\Users\Grump\myapp\fitness-ui\android\app\build.gradle' line: 29
What went wrong:
A problem occurred evaluating project ':app'.
No signature of method: build_8uo3f0irlkv2vrrshkuqw4xt7.android() is applicable for argument types: (build_8uo3f0irlkv2vrrshkuqw4xt7$_run_closure2) values: [build_8uo3f0irlkv2vrrshkuqw4xt7$_run_closure2#bcf5578]
Try:
Run with --stacktrace option to get the stack trace.
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Get more help at https://help.gradle.org
BUILD FAILED in 1s
Running Gradle task 'assembleDebug'... 2,670ms
Exception: Gradle task assembleDebug failed with exit code 1`
this is my build.gradle
`
def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
localPropertiesFile.withReader('UTF-8') { reader ->
localProperties.load(reader)
}
}
def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}
def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
flutterVersionCode = '1'
}
def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
flutterVersionName = '1.0'
}
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
android {
compileSdkVersion 28
ndkVersion "25.1.8937393"
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}
lintOptions {
disable 'InvalidPackage'
}
defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "com.example.fitness_flutter"
minSdkVersion 16
targetSdkVersion 28
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
// TODO: Add your own signing config for the release build.
// Signing with the debug keys for now, so `flutter run --release` works.
signingConfig signingConfigs.debug
}
}
}
flutter {
source '../..'
}
dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}
`