在Gradle Scripts里的build.gradle
apply plugin: 'com.android.application' android { compileSdkVersion 25 buildToolsVersion "25.0.2" defaultConfig { applicationId "com.example.middle" minSdkVersion 15 targetSdkVersion 25 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:25.1.0' }
在下面加入几行代码
buildscript { repositories { jcenter() } dependencies { classpath 'com.android.tools.build:gradle:2.2.3' //注意:更换成自己的AS的版本 } } allprojects { repositories { jcenter() } }