Android Studio 3.0:gradle文件中找不到buildToolsVersion [英] Android Studio 3.0: buildToolsVersion not found in gradle files

问题描述

我最近安装了新的稳定版Android Studio(v3.0).然后创建了一个新项目，没有任何问题.但是看到应用程序级build.gradle文件中没有buildToolsVersion字段.甚至我都搜索了所有项目文件( Ctrl Shift F )，但是什么也没找到！

这是什么意思?，如何确定我的应用模块中的构建工具的版本是什么?

---

build.gradle(项目):

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0'


        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

build.gradle(模块:应用):

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "ir.e900.androidstudio30"
        minSdkVersion 15
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}

解决方案

有了新的android gradle插件3.x，您不再需要为构建工具指定版本(因此，您可以现在删除android.buildToolsVersion属性.
默认情况下，该插件会自动使用您所使用的Android插件的版本的最低构建工具版本.

您可以在更多内容中阅读.. >

I recently installed new stable version of Android Studio (v3.0). Then created a new project and there was not any problem. But saw there is no buildToolsVersion field in the app-level build.gradle file. Even I searched all project files (CtrlShiftF), but didn't find anything!

What does this mean? And how can I determine what is the version of Build Tools in my app module?

---

build.gradle (Project):

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0'


        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

build.gradle (Module: app):

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "ir.e900.androidstudio30"
        minSdkVersion 15
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}

解决方案

With the new android gradle plugin 3.x you no longer need to specify a version for the build tools (so, you can now remove the android.buildToolsVersion property).
By default, the plugin automatically uses the minimum required build tools version for the version of Android plugin you're using.

You can read more here.

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