title: No class found exception com.squareup.okhttp.logging.HttpLoggingInterceptor
body: <p>Even after adding the dependencies and importing the class I am getting java.lang.NoClassDefFoundError: com.squareup.okhttp.logging.HttpLoggingInterceptor.</p>
  
  <p>Can anyone please help?</p>
  
  <p>Gradle Build file</p>
  
  <pre><code>   apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 23
      buildToolsVersion "23.0.2"
  
      defaultConfig {
          applicationId "xyz"
          minSdkVersion 15
          targetSdkVersion 23
          versionCode 1
          versionName "1.0"
          multiDexEnabled = true
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  
      repositories {
          mavenCentral()
      }
   }
  
      dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      testCompile 'junit:junit:4.12'
      compile 'com.android.support:appcompat-v7:23.1.1'
      compile 'com.android.support:support-v4:23.1.1'
      compile 'com.google.code.gson:gson:2.4'
      compile 'com.android.support:design:23.1.1'
      compile 'com.android.support:cardview-v7:23.1.1'
      compile 'com.google.android.gms:play-services:8.3.0'
      compile 'com.facebook.android:facebook-android-sdk:4.1.0'
      compile 'com.android.support:recyclerview-v7:23.1.1'
      compile 'com.squareup.picasso:picasso:2.5.2'
      compile 'com.jakewharton:butterknife:7.0.1'
      compile 'com.squareup.retrofit:retrofit:2.0.0-beta2'
      compile 'com.squareup.retrofit:converter-gson:2.0.0-beta2'
      compile 'com.squareup.okhttp:logging-interceptor:2.6.0'
      }
  </code></pre>