title: Android Studio 3.0 Unable to merge dex
body: <p>Just Updated android studio from 2.3.3 to 3.0 now I am having the error</p>
  
  <pre><code>Error:Execution failed for task ':app:transformDexArchiveWithExternalLibsDexMergerForDebug'. java.lang.RuntimeException: java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex
  </code></pre>
  
  <p>Here is my gradle file:</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
  compileSdkVersion 25
  buildToolsVersion '26.0.2'
  defaultConfig {
      applicationId "d91.compassacademy"
      minSdkVersion 19
      targetSdkVersion 25
      versionCode 3
      versionName "1.0"
  
      testInstrumentationRunner 
  "android.support.test.runner.AndroidJUnitRunner"
      vectorDrawables.useSupportLibrary = true
  }
  buildTypes {
      release {
          minifyEnabled false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
      debug {
          debuggable true
      }
  }
  }
  
  repositories {
      mavenCentral()
      google()
  }
  
  dependencies {
  compile fileTree(include: ['*.jar'], dir: 'libs')
  compile 'com.android.support:multidex:1.0.2'
  
  compile('com.google.api-client:google-api-client-android:1.22.0') {
      exclude group: 'org.apache.httpcomponents'
  }
  compile 'pub.devrel:easypermissions:0.2.1'
  compile project(path: ':mapviewpager')
  androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', 
  {
      exclude group: 'com.android.support', module: 'support-annotations'
  
  })
  compile 'com.android.support:appcompat-v7:25.4.0'
  compile 'com.android.support:recyclerview-v7:25.4.0'
  compile 'com.android.support:cardview-v7:25.4.0'
  compile 'com.google.firebase:firebase-database:11.4.2'
  compile 'com.google.android.gms:play-services-auth:11.4.2'
  compile 'com.google.android.gms:play-services-places:11.4.2'
  compile 'com.google.android.gms:play-services:11.4.2'
  compile 'com.google.firebase:firebase-storage:11.4.2'
  compile 'com.google.firebase:firebase-auth:11.4.2'
  compile 'com.firebaseui:firebase-ui-database:1.1.1'
  compile 'com.squareup.picasso:picasso:2.5.2'
  compile 'com.theartofdev.edmodo:android-image-cropper:2.3.1'
  compile 'com.roughike:bottom-bar:2.1.1'
  compile 'com.android.support:support-v4:25.4.0'
  compile 'com.squareup.retrofit:retrofit:1.9.0'
  compile 'com.android.support:support-vector-drawable:25.4.0'
  compile 'pub.devrel:easypermissions:0.2.1'
  compile 'com.google.code.findbugs:jsr305:2.0.1'
  compile 'com.jakewharton:butterknife:8.4.0'
  compile 'com.getbase:floatingactionbutton:1.10.1'
  compile 'com.android.support:multidex:1.0.2'
  compile 'com.android.support.constraint:constraint-layout:1.1.0-beta3'
  testCompile 'junit:junit:4.12'
  }
  
  
  apply plugin: 'com.google.gms.google-services'
  </code></pre>