Error - Android resource linking failed AAPT2 27 0 3 Daemon 0

Question

I have this error   I am try reinstall android studio and remove  gradle folder   any solution please        Error FAILURE  Build failed with an exception     What went wrong  Execution failed for task   app processDebugResources    gt  Android resource linking failed  AAPT2 27 0 3 Daemon  0    Command  C  javasdk build-tools 27 0 3 aapt2 exe link -I            C  javasdk platforms android-26 android jar            --manifest       C  Users Jalal D  gradle caches transforms-1 files-1 1 fonticon-0 1 8 aar 2b09376fc14469ba65fc8e4d85c2eed1 res values values xml 19 5-25 25  AAPT  error  resource android attr fontVariationSettings not found     C  Users Jalal D  gradle caches transforms-1 files-1 1 fonticon-0 1 8 aar 2b09376fc14469ba65fc8e4d85c2eed1 res values values xml 19 5-25 25  AAPT  error  resource android attr ttcIndex not found     error  failed linking references     Try  Run with --stacktrace option to get the stack trace  Run with --info or --debug option to get more log output  Run with --scan to get full insights     Get more help at https   help gradle org  BUILD FAILED in 1m 3s

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I was having similar problem but I came out of the solution the problem was that you were using any thing in the dependency that correspond to same domain but with different versions make sure those all are same

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If you are using Windows 10  and Android Studio 3 2  you can simply go to the app s build gradle  and change the version

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I had the same problem  but it was because in my buttons layout width height I forgot to put dp at the end when editing them  Added dp and problem fixed

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I m using Studio 3 3 1 Build from Jan 28   For me I was getting the  error android resource linking failed  pointing to a line in a layout file using ConstraintLayout that had been working correctly until today when the only change to my app level gradle file was to update the versions of   android arch navigation navigation-fragment android arch navigation navigation-ui   from 1 0 0-rc01 to 1 0 0-rc02    The error message said something about not recognizing layout constraintTop toTopOf which of course is silly because it had been compiling quite happily for months   I am already on 28 0 3 of build tools and compileSdkVersion of 28  I ve been using androidx appcompat everywhere for a while now  converted this project months back to androidx    I first went through a project clean  no help   and invalidating cache restart  no help   The layout in question had been originally defined using   lt TextView gt    lt EditText gt  and  lt ImageView gt  components  which had been working fine until today    But after reading the above answers I thought maybe somehow there was confusion being caused here so I changed the layout to use    lt androidx appcompat widget   versions of all the various components  No change - still got the error   I then deleted the  lt androidx appcompat widget AppCompatTextView block that was causing the compilation error  I changed all references to it in the other widgets to refer to  parent  instead  Did a Make  This time the compile completed without error   So something strange in that widget definition I thought    here is what it was    lt androidx appcompat widget AppCompatTextView     android id    id contact firstname label      android layout width  0dp      android layout height  wrap content      android text   string contact fname label      android gravity  end      android textAppearance   android style TextAppearance Material Small      app layout constraintTop toTopOf  parent      app layout constraintLeft toLeftOf  parent      app layout constraintRight toLeftOf    id contact detail fname      app layout constraintBaseline toBaselineOf    id contact detail fname   gt    I then pasted back the block I had Ctrl-V cut previously and changed the references back to that ID in the other components that reference it in the layout  Compile failed   I cut the block again and pasted it to WordPad  Then reading from the WordPad paste  I actually typed it back in  i e  I didn t copy paste this time  - line by line  doing a make on the project after I typed in the minimal definition  and then again thereafter when I put in each new line  Each time the project compiled cleanly   I don t know what to make of this  Perhaps some spurious invisible character was in the file originally

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Check your Gradle plugin version  Try downgrading it if you have updated to a newer version just before this issue showed up  Go to File -  Project Structure  Change to the previous version

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Had exactly the same problem  Solved it by doing the following   Searching for and replacing com android support support-v4   with com android support support-v4 27 1 0 in the platform android directory   Also I had to add the following code to the platforms android app build gradle and platforms android build gradle files   configurations all   resolutionStrategy       force  com android support support-v4 27 1 0       Edited to answer  Where is this com android support support-v4   setting         The setting will probably in this case  be in one of your plugin s  gradle file in the platform android  directory  for example in my case it was the starter-barcodescanner plugin so just go through all your plugins  gradle files      Double check the platforms android build gradle file   Hope this helps

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For me  the error appeared after changing my launcher icon using Asset Studio  Turns out that the ic launcher foreground xml file that was generated was missing the following line at the top of the file   lt  xml version  1 0  encoding  utf-8   gt

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In my case I accidentally wrote   app displayViewTitle   string instructions defineExtract confirm email    Interestingly  Android Studio were able to navigate the string via CTRL click  It was just giving Build Time error  Changing to standard  dot seperation  did the trick  app displayViewTitle   string instructions defineExtract confirm email

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Found one of the reasons which causes this problem  When we try to use any      string style color etc    in manifest file that is not present in values  string xml style xml color xml etc   then this type of error occurs

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In my case the error was pointing to the AndroidManifest xml file  I had this line   lt meta-data             android name  quot com google android actions quot              android resource  quot  xml popup info xml quot    gt   Which  I m not sure why Android Studio put that there  I didn t change my manifest file  and this never happened until I upgraded to version 3 5 3 - so AS must have done it for me  Anyway  the line should have looked like this   lt meta-data             android name  quot com google android actions quot              android resource  quot  layout popup quot    gt   Once I changed that  it was all good

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Try update latest build version  target and compile version and also update dependencies but not works for me   In my case change  lt meta-items  gt  to  lt meta-data  gt  in manifest works for me     Hope its helpful for someone

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In your layout  xml  files almost every element has a property i e   quot id quot  which  can be assigned in order to refer to it from the java kotlin code or from the xml itself  Now sometimes or in some versions of Android Studio errors in xml files is either not reported or some random error is thrown while compiling  of which  this thread is an example i e  when assigning an id to an element or when refering to another element in the layout we use the ID but ids are not just written like any other word rather they are prefixed by these characters    id   otherwise the above error is thrown  Hence the solution below should be considered - I resolved it by adding   id   before all my IDs  i e     id your item id

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The Android resource linking failed error can also appear if you have an error in any of your XML resources  In my case I was using the following line twice in one of my XML drawables in drawable folder    lt  xml version  1 0  encoding  UTF-8   gt   lt  xml version  1 0  encoding  UTF-8   gt    I removed the duplicate line and the error disappeared  The error was a bit misleading      Android resource linking failed       Output    Users johndoe Desktop myapp app src main res layout activity main xml 2    error  resource drawable bg main  aka   com example myproject drawable bg main  not found    According to the above error  the first thing you need to do is to proof read all the drawable resources that are accessed in the activity main because the chances are higher that you will find the error  In the worst case scenario you might end up checking all your resource files

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There should be some error in resource files  It mean is there may be miss typed value of attributes  Go through the resource files and correct these value and enjoy the work

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In my case I styled by accident a property present only in buttons and added that style for a TextView     lt  -- applied to TextViews -- gt   lt style name  rowStyle  gt        lt item name  android padding  gt 3dp lt  item gt       lt item name  android borderlessButtonStyle  gt false lt  item gt   lt  -- this caused the error -- gt       lt item name  android background  gt  drawable textview border lt  item gt   lt  style gt    Removing the row with android borderlessButtonStyle fixed the problem

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I imported new colors to my project and got the same problem  So I opened styles xml and re-assigned items to colors using new colors names

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I had the same problem and solved it by going to File -  Project Structure    -  Suggestions and then Apply all  Like suggested by  JeffinJ I think the problem was because of the Gradle plugin update

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Note  Android Studio spits out a load of crazy errors like this if you upgrade the support libraries to 28 0 0 and your compileSdkVersion is not 28 also

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Changing the version of the support library of the last one enabled  28 0 0  by the previous  27 1 0   the error Android Resource Linking Failed disappeared   It should be noted that version 27 1 0 is the maximum allowed in our implementations  which works  but you could use an older one if you wish  And this has to be used in all dependencies that start with the string com android support   project app build gradle  implementation  com android support appcompat-v7  rootProject supportLibraryVersion  implementation  com android support support-v4  rootProject supportLibraryVersion    project build gradle  ext       supportLibraryVersion   27 1 0      Then  Sync Project with Gradle Files  GL

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It may sound banal  but for me Build  gt  Clean Project fixed this error without any other changes

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Problem fixed for me by replacing compileSdkVersion 23 with compileSdkVersion 28 in build gradle  Project  build

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In case you run into this  in my case I had a translated string  but the string did not yet appear in the default strings xml  Added the missing string to strings xml and it got resolved

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I was facing same issue and it is resolved by removing error from resource files like style  colors files in values folder  In my case  error in style colors as below     lt style name  AppTheme AppBarOverlay  parent  ThemeOverlay AppCompat Dark ActionBar  gt       lt item name  android textColorPrimary  gt    color colorPrimary   lt  item gt       lt item name  android textColorSecondary  gt    color colorPrimaryDark   lt  item gt   lt  style gt

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There can be multiple reasons for this problem and these reasons are mainly in the resource or app level build gradle file   In my case  a view in the resource file didn t had the required dependency included in the build gradle file   So  make sure to include all the required dependencies in the build gradle file

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I ve come across the same issue after adding the following dependency   implementation  com evernote android-state 1 4 1  annotationProcessor  com evernote android-state-processor 1 4 1    And the reason was that latest version of evernote uses dependencies to AndroidX  while I had support library version 27 1 1 in my project  So there was an option of upgrading support libraries to 28 0 0  as the other answers suggest  but that was a bit tricky for a large project with lots of custom views  So  I resolved the issue by downgrading evernote version to 1 3 1

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com android support support-v4 just recently got update and maybe affect to plugin that use updated version in their dependencies  But if you cannot find in the dependencies  like if you use crosswalk plugin   just put this code in top of your code gradle plugin  no need to add on build gradle    configurations all   resolutionStrategy force  com android support support-v4 24 0 0      Example location to put the code in crosswalk plugin here  Feel free to edit version of com android support  DO NOT USE THE 28 0 0  because thats the problem

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Right click on the drawable folder and select  Show in Explorer    Find the failing file in the opened file system   select them  or select the files in the entire drawable    then copy them to the drawable-v24 file  do not delete the drawable file and create it if there is no drawable-v24 file   Then choose  File  -  Invalidate Caches   Restart  and  restart Android Studio

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i got the same bug  and i fixed it when i close the AndroidStudio and delete the dir like C  Users Jalal D  gradle caches transforms-1  in the build error info

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Same issue occurred for me  but before getting this error  my app was running  So I just did undo 2 3 times  And did changes again  And build app app ran successfully

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feel so stupid -  for whatever reason  i had one empty xml in drawable folder  and AS produced dozens of unrelated errors   lt    so  my general advice would be the same - check briefly every resource file

[android] Error - Android resource linking failed (AAPT2 27.0.3 Daemon #0)

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