title: Execution failed for task: app:transformClassesWithJarMergingForDebug
body: <p>Here is my app <code>lvl gradle</code>, I get this error when I test my tablet which is <code>API 19</code> what is the problem?</p>
  
  <pre><code>ERROR:Execution failed for task ':app:transformClassesWithJarMergingForDebug'. &gt; com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: android/support/v4/hardware/display/DisplayManagerCompat$JellybeanMr1Impl.class
  
  apply plugin: 'com.android.application'
  
  android 
  {
      compileSdkVersion 23
      buildToolsVersion '25.0.0'
      defaultConfig 
      {
          applicationId "com.example.batintaskin.fcmwithappserver"
          minSdkVersion 15
          targetSdkVersion 23
          useLibrary 'org.apache.http.legacy'
          versionCode 1
          versionName "1.0"
          multiDexEnabled true
          testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
      }
      buildTypes 
      {
          release 
          {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  dependencies 
  {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      testCompile 'junit:junit:4.12'
      compile 'com.android.support:recyclerview-v7:23.2.1'
      compile 'com.android.support:appcompat-v7:23.4.0'
      compile 'com.android.support.constraint:constraint-layout:1.0.2'
      testCompile 'junit:junit:4.12'
      compile 'com.google.firebase:firebase-messaging:9.0.2'
      compile 'com.android.volley:volley:1.0.0'
      compile 'com.google.firebase:firebase-core:9.0.2'
      compile 'com.jakewharton:butterknife:8.5.1'
      compile 'com.android.support:design:23.4.0'
      compile 'com.android.support:multidex:1.0.0'
  }
  apply plugin: 'com.google.gms.google-services'
  </code></pre>