错误：（2,0）未找到id为'android-apt'的插件

Question

apply plugin: 'com.android.application'
apply plugin: 'android-apt'
android {
    compileSdkVersion 24
    buildToolsVersion "25.0.2"
    defaultConfig {
        applicationId "com.example.android.booklistingapp"
        minSdkVersion 15
        targetSdkVersion 24
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
      testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:24.2.1'
    compile 'com.android.support:recyclerview-v7:+'
    compile 'com.jakewharton:butterknife:8.4.0'

}

Answer 1

将这些行添加到Android Studio项目根目录的build.gradle文件中。

buildscript {
repositories {
    mavenCentral()
}
dependencies {
    classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
}
}

Answer 2

您必须添加android-apt插件的类路径：

buildscript {
  repositories {
    mavenCentral()
   }
  dependencies {
    classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
  }
}

在依赖项中，您还需要编译器的apt依赖项：

dependencies {
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:24.2.1'
    compile 'com.android.support:recyclerview-v7:+'
    compile 'com.jakewharton:butterknife:8.4.0'
    // Add this
    apt 'com.jakewharton:butterknife-compiler:8.4.0'
}