android Error converting byte to dex

Question

So  I am getting the following error while running the project after upgrading build gradle  Project  from  dependencies           classpath  com android tools build gradle 2 0 0-alpha2              NOTE  Do not place your application dependencies here  they belong            in the individual module build gradle files     to   dependencies           classpath  com android tools build gradle 2 0 0-alpha3              NOTE  Do not place your application dependencies here  they belong            in the individual module build gradle files     I just changed the gradle from 2 0 0-alpha2 to 2 0 0-alpha3 and then  trying to build the project   Error log   Information Gradle tasks   app assembleDebug   app incrementalDebugBuildInfoGenerator  app preBuild UP-TO-DATE  app preDebugBuild  app checkDebugManifest  app preReleaseBuild UP-TO-DATE  app prepareComAndroidSupportAppcompatV72311Library UP-TO-DATE  app prepareComAndroidSupportCardviewV72311Library UP-TO-DATE  app prepareComAndroidSupportCustomtabs2311Library UP-TO-DATE  app prepareComAndroidSupportDesign2311Library UP-TO-DATE  app prepareComAndroidSupportRecyclerviewV72311Library UP-TO-DATE  app prepareComAndroidSupportSupportV42311Library UP-TO-DATE  app prepareComDigitsSdkAndroidDigits192Library UP-TO-DATE  app prepareComTwitterSdkAndroidTweetComposer102Library UP-TO-DATE  app prepareComTwitterSdkAndroidTweetUi180Library UP-TO-DATE  app prepareComTwitterSdkAndroidTwitter1110Library UP-TO-DATE  app prepareComTwitterSdkAndroidTwitterCore162Library UP-TO-DATE  app prepareIoFabricSdkAndroidFabric1310Library UP-TO-DATE  app prepareDebugDependencies  app compileDebugAidl UP-TO-DATE  app compileDebugRenderscript UP-TO-DATE  app generateDebugBuildConfig UP-TO-DATE  app processDebugManifest UP-TO-DATE  app injectDebugBootstrap Instrumented app with a fast deploy bootstrapping application  app generateDebugAssets UP-TO-DATE  app mergeDebugAssets UP-TO-DATE  app fabricGenerateResourcesDebug  app generateDebugResValues UP-TO-DATE  app generateDebugResources  app mergeDebugResources  app processDebugResources  app generateDebugSources  app compileDebugJavaWithJavac UP-TO-DATE  app compileDebugNdk UP-TO-DATE  app compileDebugSources UP-TO-DATE  app fastDeployDebugExtractor  app generateDebugInstantRunAppInfo  app transformClassesWithExtractJarsForDebug  app transformClassesWithInstantRunVerifierForDebug  app transformClassesWithInstantRunForDebug IncrementalSupportVisitor Visiting com waysay R color IncrementalSupportVisitor Visiting com waysay R style IncrementalSupportVisitor Visiting com waysay R attr IncrementalSupportVisitor Visiting com waysay R dimen IncrementalSupportVisitor Visiting com waysay R integer IncrementalSupportVisitor Visiting com waysay R anim IncrementalSupportVisitor Visiting com waysay BuildConfig IncrementalSupportVisitor Visiting com waysay R mipmap IncrementalSupportVisitor Visiting com waysay R menu IncrementalSupportVisitor Visiting com waysay R 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IncrementalSupportVisitor Visiting com twitter sdk android tweetui R IncrementalSupportVisitor Visiting com twitter sdk android tweetui R drawable IncrementalSupportVisitor Visiting com twitter sdk android tweetui R raw IncrementalSupportVisitor Visiting com twitter sdk android tweetui R layout IncrementalSupportVisitor Visiting com twitter sdk android tweetui R plurals IncrementalSupportVisitor Visiting com twitter sdk android tweetui R styleable IncrementalSupportVisitor Visiting com twitter sdk android tweetui R id IncrementalSupportVisitor Visiting com twitter sdk android tweetui R string  app transformClassesWithInstant restartDexForDebug  app transformClasses enhancedWithInstant reloadDexForDebug  app incrementalDebugSupportDex  app transformClassesWithDexForDebug Error Error converting bytecode to dex  Cause  com android dex DexException  Multiple dex files define Landroid support design R anim  Error Execution failed for task   app transformClassesWithDexForDebug    gt  com android build api transform TransformException  com android ide common process ProcessException  org gradle process internal ExecException  Process  command   usr lib jvm java-7-oracle bin java   finished with non-zero exit value 2 Information BUILD FAILED Information Total time  1 mins 22 84 secs Information 2 errors Information 0 warnings Information See complete output in console   Any help would be appreciated

User · Answer

For me was very easy  Just add     noinspection GradleDependency GradleCompatible implementation  com google android gms play-services-auth 11 0 4       and the magic happens

User · Answer

Okay  I don t know how but this worked   First I cleaned the project and then  running the project made everything go alright   Inshort  First Clean and then Run   Edit First Clean and then Make Project also works

User · Answer

For some reasons   ChintanSoni s answer didn t worked  I tried deleting the build folder manually but couldn t delete some files since they were being used by some process  Cleaning and re-building the project didn t help so I opened task manager  selected JAVA TM  Platform SE binary and pressed on  End task    Then I tried to run the project once again and it started compiling fine

User · Answer

I met the same problem   First delete build folder from project location  You can access it via android studio or using explorer   then build the project

User · Answer

Before    compile  com google android gms play-services-location 10 0 1  compile  com google android gms play-services-auth 10 0 1  compile  com google firebase firebase-database 10 2 0  compile  com google firebase firebase-core 10 2 0  compile  com google firebase firebase-messaging 10 2 0     After    compile  com google android gms play-services-location 10 2 0  compile  com google android gms play-services-auth 10 2 0  compile  com google firebase firebase-database 10 2 0  compile  com google firebase firebase-core 10 2 0  compile  com google firebase firebase-messaging 10 2 0     Finally got resolved

User · Answer

Check you build gradle  Module  your app    All com google android gms libraries must use the exact same version specification  mixing versions can lead to runtime crashes    For example   If you have com google firebase firebase-ads 9 6 1 and com google android gms play-services-basement 10 0 1   You have to change the firebase version to  10 0 1

User · Answer

In my case  this was due to my library not being configured as  android   E g  apply plugin  java  instead of apply plugin  com android library

User · Answer

Just restart your AS  then Rebuild your app

User · Answer

In case it helps someone  in my case I was using a custom package in release mode instead of in debug mode   I just changed the package from  release  to  debug  and it worked

User · Answer

I ve noticed this can happen  sometimes  when editing java files while Android Studio is building   I solved this by manually deleting the build folder and running agin

User · Answer

I met the same problem and i clean project  some other problems causeed can not clean so i manually delete dir  build   so it can can clean Ok then run it ok for me

User · Answer

In my case  using    I had the issue during transformClassesWithDexFor when the maximum heap size for the Gradle daemon is superior to 4Go  By changing my   gradle properties with org gradle jvmargs -Xmx2048m  meaning I reduce the heap size to 2Go instead of 4Go  the dex then runs in a separate process and I no longer have the issue   14 52 26 412  WARN   org gradle api Project  Running dex as a separate process  To run dex in process  the Gradle daemon needs a larger heap  It currently has 2048 MB  For faster builds  increase the maximum heap size for the Gradle daemon to at least 4608 MB  based on the dexOptions javaMaxHeapSize   4g   To do this set org gradle jvmargs -Xmx4608M in the project gradle properties

User · Answer

If you bring in to the code same library from 2 different sources that will cause the error

User · Answer

Try installing via  app installDebug  If it works then it is related to Android Studio s caches  I removed  gradle  folder inside my project and it works

User · Answer

dependencies       compile fileTree include      jar    dir   libs       compile fileTree include   Parse-  jar   dir   libs       compile  com android support appcompat-v7 23 2 0      compile  com android support cardview-v7 23 2 0      compile  com android support design 24 0 0-alpha1      compile  com google firebase firebase-invites 9 2 0      compile  com google firebase firebase-ads 9 2 0      compile  com google firebase firebase-database 9 2 0      compile  com google firebase firebase-core 9 2 0      I add the com google firebase firebase-core 9 2 0 line and choose the same version  9 2 0  for all firebase libraries and the issue was solved

User · Answer

I found in my case  this issue was caused by an improper configuration of build gradle  I had two different versions of com google firebase  Once the versions were the same  the issue was solved

User · Answer

If you have multiple projects  make sure you are not adding a dependency multiple times  I needed to exclude the other project s dependency like this   compile project   OtherProject-SDK          compile exclude module   play-services-gcm      compile exclude module   play-services-location      compile exclude module   support-v4      compile exclude module   okhttp

User · Answer

First  build -  clean project -  rebuild it again   If its not working  then in your build gradle  set the multiDexEnabled as true  eg   defaultConfig       applicationId  com example myapplication      minSdkVersion 21     targetSdkVersion 27     multiDexEnabled true     versionCode 1     versionName  1 0      testInstrumentationRunner android support test runner AndroidJUnitRunner

User · Answer

I had the same problem and it is caused by not same version of google analytics and firebase  I used  com google gms google-services 3 1 0  and then add these dependencies   compile  com google android gms play-services-gcm 10 2 6  compile  com google firebase firebase-crash 10 0 1    So change firebase version to 10 2 6 fix this problem   compile  com google android gms play-services-gcm 10 2 6  compile  com google firebase firebase-crash 10 2 6

User · Answer

In my case the problem was because of capital letters in some packages

User · Answer

This question have many answers but  if you not solved your error yet  this could work      Sometimes we import different versions from google products APIs so    try to organize your gradle file to solve the  Mixing versions   warning

User · Answer

I had the same problem and realised that the two separate jar files I had in my app libs folder had the same packages as sub dependencies  which caused the conflict

User · Answer

This problem is mainly in gradle or in misversioned libraries  including   from libraries  when both define the same class  Expand and check  imported external libraries     You cannot have two same classes to be exported to one place  or code  therefore  dexer does not know which one should be used

User · Answer

Just clean and retry solved for me

User · Answer

If you are applying any plugins  Then  in your module Gradle file  usually the app build gradle  make sure you add the apply plugin line at the bottom of the file to enable the Gradle plugin   e g

User · Answer

My project used an external library with heterogeneous Java compatibility versions in my build gradle files  1 7 and 1 8    I fixed it by using the same version for the lib and for the app project  In my case for both     compileOptions       sourceCompatibility JavaVersion VERSION 1 8     targetCompatibility JavaVersion VERSION 1 8

User · Answer

Please add this block inside android in build gradle  dexOptions       preDexLibraries   false

User · Answer

Thing that worked for me    Go to android folder of your app  Run   gradlew clean

User · Answer

In My case  I First Clean the project then i press Make Project button as below image  then it start working  Rebuild doesn t work for me     And I also updating Google Repository is must

User · Answer

After I upgraded to Android Studio 2 1  the next time I rebooted  I was asked to upgrade to JDK 1 8   After I upgraded to JDK 1 8  that s when my AS project had trouble compiling   I followed all of the suggestions in this page  but to no avail   Finally  I decided to check the version of JDK that my project was using  and to my surprise  it somehow was pointing to JDK 1 8   Moral of the story   If compileSdkVersion lt  23  double check that your project is using JDK1 7 as follows    Right Mouse on top level module Project STructure    JDK Location

User · Answer

In my case  I put   apply plugin   com google gms google-services    at the bottom of build gradle file and set multiDexEnabled true in defaultConfig  Then just run and it works

[android] android : Error converting byte to dex

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