Unable to resolve dependency for app debug compileClasspath Could not resolve

Question

Newly installed Android studio 3 1 3 is giving strange dependencies error when making a new project and compiling for very first time   A similar question that didn t help resolve the problem   Event Logs   Unable to resolve dependency for   app debug compileClasspath   Could not resolve com android support appcompat-v7 28 0 0-alpha3  Open File Show Details   Unable to resolve dependency for   app debug compileClasspath   Could not resolve com android support constraint constraint-layout 1 1 2  Open File Show Details   Unable to resolve dependency for   app debugAndroidTest compileClasspath   Could not resolve com android support appcompat-v7 28 0 0-alpha3  Open File Show Details   Unable to resolve dependency for   app debugAndroidTest compileClasspath   Could not resolve com android support constraint constraint-layout 1 1 2  Open File Show Details   Unable to resolve dependency for   app debugUnitTest compileClasspath   Could not resolve com android support appcompat-v7 28 0 0-alpha3  Open File Show Details   Unable to resolve dependency for   app debugUnitTest compileClasspath   Could not resolve com android support constraint constraint-layout 1 1 2  Open File Show Details   Unable to resolve dependency for   app release compileClasspath   Could not resolve com android support appcompat-v7 28 0 0-alpha3  Open File Show Details   Unable to resolve dependency for   app release compileClasspath   Could not resolve com android support constraint constraint-layout 1 1 2  Open File Show Details   Unable to resolve dependency for   app releaseUnitTest compileClasspath   Could not resolve com android support appcompat-v7 28 0 0-alpha3  Open File Show Details   Unable to resolve dependency for   app releaseUnitTest compileClasspath   Could not resolve com android support constraint constraint-layout 1 1 2  Open File Show Details   ScreenShot     this problem happened to me several times and forcing https or http didn t resolve it either

User · Answer

I had this issue with offline mode enable  I disabled offline mode and synced    Open the Preferences  by clicking File  gt  Settings  In the left pane  click Build  Execution  Deployment  gt  Gradle  Uncheck the Offline work  Apply changes and sync project again

User · Answer

Try to add type of configuration in dependency line  For example  implementation project path    some module     configuration   default

User · Answer

FOR ANYONE GETTING THIS WHEN TRYING TO IMPORT THEIR OWN CREATED LIBRARIES I have been playing with Kotlin Multiplatform libraries and was trying to publish my libraries using jitpack and then pulling them into other projects  I m new to most of this and didn t know I needed to add publishLibraryVariants to my android configuration in gradle  I followed other tutorials that didn t require this  so I m not sure what it is about Kotlin MPP that makes you need it  This is the code though  You could likely publish other variants that met your needs  but these appear to be the standard requirements to build with a basic project  The    after android aren t absolutely necessary  but the default script comes with them so I left it  The code is essentially the same for Kotlin or Groovy DSL  In the gradle script for the library being published kotlin       android             publishLibraryVariants  quot release quot    quot debug quot

User · Answer

Below solution may help to someone  I faced this issue  when I use implementation project   my project other modules   in the new module  I discussed with my teammates and I finally I got the solution from one of the person  I have to use flavorDimensions  amp  productFlavors  Because the app build gradle used flavorDimensions  amp  productFlavors  When I add these in new module  the error didn t occur

User · Answer

I m just sharing this answer because I had similar problem   In the end  error was caused because I inadvertently changed the fileTree  In my case  I fixed by changing      implementation or compile implementation fileTree include      jar      to      implementation or compile implementation fileTree include      jar    dir   libs

User · Answer

I was unable to find the root cause of the issue but got a workaround  I started by setting my the java home variable as such    vi    bash profile    this is for macs only  bash profiles are different on linux  type the letter i for insert and then set the JAVA HOME variable as such  export JAVA HOME  Applications Android Studio app Contents jre jdk Contents Home  quit the vi editor with esc then type  wq Restart the computer Voila  Your android studio projects should build without any qualms

User · Answer

shizhen answer not worked my case   Spend more than one day and finally got a working solution   I Was in office environment so by trying different methods my gradle file get corrupted  So I removed all proxy and port info form from following file and things got worked   User -   gradle -  gradle properties  Additionally I enabled  Auto-detect proxy settings  under Android studio -  preferences -  HTTP proxy for network and studio will auto detect network config   Special credit

User · Answer

Try  File -  Invalidate Caches   Restart      Try to clean up your  gradle and  idea directory under your project root directory   Try to add Google Maven repository and sync project  buildscript       repositories           jcenter           google           maven              url  https   maven google com                       dependencies           classpath  com android tools build gradle 3 1 3           allprojects       repositories           google           jcenter           maven              url  https   maven google com                     If you are using Android Gradle Plugin 3 1 3  you should be sure that your gradle wrapper version is 4 4  Under the root directory of your project  find gradle-wrapper properties and modify it as below   distributionBase GRADLE USER HOME distributionPath wrapper dists zipStoreBase GRADLE USER HOME zipStorePath wrapper dists distributionUrl https    services gradle org distributions gradle-4 4-all zip

User · Answer

One possibility I have not seen mentioned  If the project you are importing uses android product flavors  you may have a mistake in your missingDimenstionStrategy    In your  app build gradle  the one code that is failing to resolve the dependency   ensure you have correctly set the specific flavor of the product that you are depending on  This allows all your later dependency code  e  g implementation  api  etc  to know which precise build it depends on   defaultConfig               lt snip unrelated gt                 Ensure you specify the flavor you depend on              If dep has multiple flavor dimensions  you need to specify them all         missingDimensionStrategy  classpath    gms17

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In my case I used google play services   I increase library service it solved  implementation  com google android gms play-services-auth 16 0 0    Google play service must be same in library and app modules  Reference

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I know its very late but I  think it may help someone in resolving his issue   In my case It was occurring because compileSdkVersion and targetSdkVersion was set to 29 while when I check my SDK Manager  It was showing that package is partially installed  Whereas SDK version 28 was completely installed  I changed my compileSdkVersion and targetSdkVersion  to 28 along with support libraries   Earlier   compileSdkVersion 29 targetSdkVersion 29 implementation  com android support appcompat-v7 29    implementation  com android support design 29     After Modification   compileSdkVersion 28 targetSdkVersion 28 implementation  com android support appcompat-v7 28    implementation  com android support design 28     It worked like a charm after applying these changes

User · Answer

I think the problems comes from the following  The internet connection with u was unavailable so Android Studio asked you to enable the  offline work  and you just enabled it  To fix this    File Settings Build  Execution  Deployment Gradle Uncheck offline work   why might unchecking the offline work solves the problem  because in the Gradle sometimes some dependencies need to update  the ones containing       so internet connection is needed

User · Answer

In my case   When I setup AS  my windows was configured with proxy   Later  I disconnect proxy and disable proxy in AS settings  But  in file   gradle gradle properties - proxy - present  Just  in text editor clear proxy settings from this file

User · Answer

You might be importing Application instead of Module  Well you can change it in module s gradle also   Change  apply plugin   com android application    to  apply plugin   com android library    You also need to remove applicationId from the gradle

User · Answer

People answering about offline work is active is right  But it was located in different place in my case  To find it in the top bar menu select  View Tool Windows  Graddle Toogle the offline button if active  It is a small rectangle with two centered slashes  In adittion you can clic the help menu in the top bar menu and write  quot gradle quot  and it suggest the locations

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Question still relevant as of Android Studio 3 5 2 for Windows  In my specific use case  I was trying to add Gander  https   github com Ashok-Varma Gander  to my list of dependencies when I keep getting this particular headache  It turns out that I have yet to get JCenter Certificate approved in my cacerts file  I m going through a company firewall and i had to do this with dependencies that I attempt to import  Thus  to do so   Ensure that your Android Studio does not need to go through any proxy   Export the certificate where you get your dependency  usually just JCenter   Add the certificate to your cacerts file   keytool -import -alias  your-certificate-name  -keystore  C  Program Files Java jdk version  jre lib security cacerts  -file  absolute path to your certificate  cer   Restart Android Studio  Try syncing again    Answer is based on this one  https   stackoverflow com a 26183328 4972380

User · Answer

If you have ever used a proxy  VPN  etc or may not  I am not sure      Then the solution below may help you   I don t know why  and if anybody can tell me why  I will appreciate that   but it works  pefectly  Have a try when you totally feel desperate about that issue  Come to your project  and open gradle-wrapper properties or gradle properties  comment out these codes about proxy   systemProp http nonProxyHosts 118 89 144 241 47 112 105 125  systemProp http proxyHost 127 0 0 1  systemProp http proxyPort 1081  systemProp https nonProxyHosts 118 89 144 241 47 112 105 125  systemProp https proxyHost 127 0 0 1  systemProp https proxyPort 1081   Then  it might work  PS  I met this problem when I try to use dataBinding library  and when I added the code buildFeatures           dataBinding true        into gradle as the guide told me and Syns the project  I got such an error  quot Unable to resolve dependency for   app debug compileClasspath   Could not resolve        quot   Finally I did what I described above  and I successed  What I experience may give you a hint  so I post the solution here and hope it might help

User · Answer

As  Ebin Joy said  If your gradle file get corrupted then there is one simple solution for that  Manually give the proxy details like shown in image  then you re good to go  This solution only works if you using any closed networks like office network etc

User · Answer

I have resolved this Gradle caching issue like below   In case anyone using MacBook then below is the steps I used to resolve this issue    There is a hidden Gradle folder  By using the below command we can open the hidden Gradle folder and remove the file called gradle properties   shortcut      shift   G   then enter this inside popup window     gradle  press enter  file to be removed -  gradle properties    Then go back to the android studio and sync your project with Gradle files

User · Answer

I had your issue  i fixed it   this error comes when your target api level is not completely downloaded   you have two ways  go to your SDK menu and download all of the android 9 components or the better way is go to your build gradle Module app  and change it like this But remember  before applying these changes  make sure you have fully downloaded api lvl 8

User · Answer

I just figured out how to remove this gradle error  follow the following steps    Go to  File   Click on Invalidate Cache  Restart  Again click on Invalidate Cache   Restart On dialoge window     Let the gradle build without any interruption   Thank You  Regards  hope this will help

[android] Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve

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