title: Why do i get this google guava error when running my project?
body: <p>Whenever I try to run my project i get following error:</p>
  
  <pre><code>org.gradle.internal.exceptions.LocationAwareException: Execution failed for task ':app:checkDebugDuplicateClasses'.
  Caused by: org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:checkDebugDuplicateClasses'
  Caused by: com.android.ide.common.workers.WorkerExecutorException: 1 exception was raised by workers:
  java.lang.RuntimeException: Duplicate class com.google.common.annotations.Beta found in modules guava-26.0-android.jar (com.google.guava:guava:26.0-android) and guava-annotations-r03.jar (com.google.guava:guava-annotations:r03)
  </code></pre>
  
  <p>full stacktrace: <a href="https://pastebin.com/8UBsXxme" rel="nofollow noreferrer">https://pastebin.com/8UBsXxme</a></p>
  
  <p>gradle files:</p>
  
  <p>app based:</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 28
      buildToolsVersion '28.0.3'
  
      defaultConfig {
          applicationId "com.example.sanchez.worldgramproject"
          minSdkVersion 21
          targetSdkVersion 28
          multiDexEnabled true
          versionCode 1
          versionName "0"
  
  
      }
  
  
  
      compileOptions {
          sourceCompatibility JavaVersion.VERSION_1_8
          targetCompatibility JavaVersion.VERSION_1_8
      }
  
  
  
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
          debug {
              debuggable true
          }
      }
  }
  
  
  
  dependencies {
  
      compile fileTree(dir: 'libs', include: ['*.jar'])
      api "com.google.android.material:material:1.0.0"
  
      implementation 'com.github.madrapps:pikolo:1.1.6'
      implementation 'com.google.firebase:firebase-firestore:20.1.0'
      implementation 'com.firebaseui:firebase-ui-firestore:4.3.1'
      implementation 'com.github.bumptech.glide:glide:3.7.0'
      implementation 'com.jakewharton:butterknife:10.1.0'
      implementation 'com.google.android.gms:play-services-gcm:17.0.0'
      implementation 'com.google.android.material:material:1.1.0-alpha07'
      implementation 'androidx.core:core:1.0.2'
      implementation 'com.firebaseui:firebase-ui-storage:2.3.0'
      implementation 'com.firebaseui:firebase-ui-database:4.3.1'
      implementation 'com.google.firebase:firebase-auth:18.0.0'
      implementation 'com.google.android.gms:play-services-auth:17.0.0'
      implementation 'androidx.appcompat:appcompat:1.0.2'
      implementation 'androidx.cardview:cardview:1.0.0'
      implementation 'androidx.recyclerview:recyclerview:1.0.0'
      implementation 'androidx.multidex:multidex:2.0.1'
      implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.6'
      implementation 'de.hdodenhof:circleimageview:3.0.0'
      implementation 'androidx.legacy:legacy-support-v4:1.0.0'
      implementation 'androidx.exifinterface:exifinterface:1.0.0'
      implementation 'com.google.firebase:firebase-storage:18.0.0'
      implementation 'com.google.android.gms:play-services-maps:17.0.0'
      implementation 'com.google.firebase:firebase-database:18.0.0'
      implementation 'uk.co.mgbramwell.geofire:geofire-android:0.0.2'
      implementation 'com.github.imperiumlabs:GeoFirestore-Android:v1.1.1'
      implementation 'com.yarolegovich:lovely-dialog:1.1.0'
      implementation 'com.google.code.gson:gson:2.8.5'
      implementation "com.google.android.gms:play-services-location:17.0.0"
      implementation 'com.github.yalantis:ucrop:2.2.3'
      implementation 'com.victor:lib:1.0.4'
      implementation 'androidx.emoji:emoji:1.0.0'
      implementation 'com.github.greenfrvr:hashtag-view:1.3.1'
      compile 'com.vanniktech:emoji-ios:0.6.0'
  
  
  
      testImplementation 'junit:junit:4.13-beta-3'
  
  
  }
  </code></pre>
  
  <p>project based:</p>
  
  <pre><code>buildscript {
      repositories {
          jcenter()
          google()
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:3.4.1'
          classpath 'com.google.gms:google-services:4.3.0'
  
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  
  allprojects {
      repositories {
          jcenter()
          google()
          maven { url 'https://jitpack.io' }
  
      }
  }
  
  
  
  task clean(type: Delete) {
      delete rootProject.buildDir
  }
  </code></pre>
  
  <p>I tried rebuilding/cleaning the project and syncing with gradle files but none worked. </p>
  
  <p>The problem seems to be the cause of com.google.guava:guava-annotations:r03, but i don't know how to find the dependencies which use this annotation. What can i do?</p>