How to import Maven dependency in Android Studio/IntelliJ?

Question

I've created a new Android project using the default wizard in Android Studio. Compiled, and deployed the app to my device. All is well.

Now I want to import an external library that is available on Maven. (http://square.github.io/picasso/). I went to module properties, and added a Maven library. It shows up correctly in the list of dependencies. In addition, it shows up in the editor and I can correctly use it in code.

However, at compile time, I get a Gradle error: unable to find class

Any ideas?

Answer 1

I am using the springframework android artifact as an example

open build.gradle

Then add the following at the same level as apply plugin: 'android'

apply plugin: 'android'  repositories {     mavenCentral() }  dependencies {    compile group: 'org.springframework.android', name: 'spring-android-rest-template', version: '1.0.1.RELEASE' } 

you can also use this notation for maven artifacts

compile 'org.springframework.android:spring-android-rest-template:1.0.1.RELEASE' 

Your IDE should show the jar and its dependencies under 'External Libraries' if it doesn't show up try to restart the IDE (this happened to me quite a bit)

here is the example that you provided that works

buildscript {      repositories {          maven {              url 'repo1.maven.org/maven2';          }      }      dependencies {          classpath 'com.android.tools.build:gradle:0.4'      }  }  apply plugin: 'android'  repositories {     mavenCentral() }  dependencies {      compile files('libs/android-support-v4.jar')      compile group:'com.squareup.picasso', name:'picasso', version:'1.0.1'  }  android {      compileSdkVersion 17      buildToolsVersion "17.0.0"      defaultConfig {          minSdkVersion 14          targetSdkVersion 17      }  }