我已经查找了之前的帖子，但没能找到我的问题的答案。以下是我的 build.gradle 文件的代码：
错误：在评估项目“:app”时出现问题。
无法获取类型为 org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler 的对象的未知属性 'implementation'。
注：此内容涉及 Gradle 在 Android 开发中的使用，错误信息提示无法获取 implementation 属性。
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 29
defaultConfig {
applicationId "com.loganwiley.findmyphone"
minSdkVersion 17
targetSdkVersion 29
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
compileKotlin {
kotlinOptions.suppressWarnings = true
}
compileKotlin {
kotlinOptions {
suppressWarnings = true
}
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:28.0.0'+
implementation 'com.android.support.constraint:constraint-layout:1.0.2'+
implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'+
implementation 'com.google.firebase:firebase-auth:10.2.4'+
implementation 'com.google.firebase:firebase-database:10.2.4'+
implementation 'com.google.android.gms:play-services-maps:10.2.4'+
implementation 'com.android.support:design:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.2'+
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'
}
repositories {
mavenCentral()
}
apply plugin: 'com.google.gms.google-services'