title: Android-Studio/Gradle library deployment issue
body: <p>I've created a simple project in Android Studio to try it out.  I'll accept that for the moment I have to had code my build.gradle file to match my IDE configuration, but as I am new to both IntelliJ and Gradle I am struggling.</p>
  
  <p>The project was created with a default blank activity.  I created a simple, very noddy, View class given below:</p>
  
  <pre><code>package com.example.view;
  
  import android.content.Context;
  import android.util.AttributeSet;
  import android.view.View;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Created by steve on 02/06/13.
   */
  public class GraphView extends View {
  
      /** The system logger. */
      protected transient final Logger log;
  
      public GraphView(Context context) {
          super(context);
  
          // Instantiate the system logger.
          log = LoggerFactory.getLogger(getClass());
      }
  
      public GraphView(Context context, AttributeSet attrs) {
          super(context, attrs);
  
          // Instantiate the system logger.
          log = LoggerFactory.getLogger(getClass());
      }
  
      public GraphView(Context context, AttributeSet attrs, int defStyle) {
          super(context, attrs, defStyle);
  
          // Instantiate the system logger.
          log = LoggerFactory.getLogger(getClass());
      }
  }
  </code></pre>
  
  <p>In order to get it to compile/parse within the IDE I added the Logback JAR libraries to the same libs directory the android-support-v4.jar file is located.  A quick modify of the Project Structure and all appears to work fine.  Within the IDE's editor I can see the methods on the <code>Logger</code> and <code>LoggerFactory</code> classes.</p>
  
  <p>In order to deploy the noddy app to my Nexus 4 I modified build.gradle file to also reference the libraries: </p>
  
  <pre><code>buildscript {
      repositories {
          maven { url 'http://repo1.maven.org/maven2' }
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:0.4'
      }
  }
  apply plugin: 'android'
  
  dependencies {
      compile files('libs/android-support-v4.jar')
      compile files('libs/logback-android-1.0.10.2.jar')
      compile files('libs/slt4j-api-1.7.5.jar')
  }
  
  android {
      compileSdkVersion 17
      buildToolsVersion "17.0.0"
  
      defaultConfig {
          minSdkVersion 7
          targetSdkVersion 16
      }
  }
  </code></pre>
  
  <p>It builds just fine, it deploys it on the phone, but when the default activity in started I get a runtime error:</p>
  
  <pre><code>Caused by: java.lang.NoClassDefFoundError: org.slf4j.LoggerFactory
          at com.example.view.GraphView.&lt;init&gt;(GraphView.java:29)
          ... 25 more
  </code></pre>
  
  <p>What have I missed?</p>
  
  <p>Many thanks in advance.</p>
  
  <p>Steve</p>