Error Execution failed for task app processDebugResources java io IOException Could not delete folder in android studio

Question

I am trying to develop a Android application using Android Studio  so I created an Android app and I want to publish it  Whenever I click on    build project    to obtain the apk file  I get this error   Error Execution failed for task   app processDebugResources    gt  java io IOException  Could not delete folder C  Users ehsan AndroidStudioProjects MyApplication3 app build generated source r debug com example ehsan     Build gradle   apply plugin   com android application   android       compileSdkVersion 23     buildToolsVersion  23 0 2       defaultConfig           applicationId  com example ehsan myapplication          minSdkVersion 15         targetSdkVersion 23         versionCode 1         versionName  1 0            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 appcompat-v7 23 2 0

User · Answer

If you are using macOS then    sudo   gradlew clean will work for you

User · Answer

If you have another instance of Android Studio running  then kindly close it and then build the app  This worked in my case

User · Answer

I m working on windows 10 and i can t find gradlew  i cleaned the project using Android Studio     Build ---  clean project and after that i was able to run   react-native run-android or to run project using Android Studio

User · Answer

Stopping OpenSdk Java process  inner to Android Studio process  worked

User · Answer

I found another handy solution  which avoids rebuilding all components again and again  in this article  http   bitstopixels blogspot ca 2017 04 react-native-windows-10-eperm-operation html   Execute react-native run-android As soon as React Packager window opens  close it Wait for react-native run-android to complete giving you the BUILD SUCCESSFUL message   The app will be launched with a red error screen complaining connecting to server failed  Don t panic   Then run react-native start to start the React Packager  this is the server indicated in the error message of the previous step Reload the app in emulator or device  Double tap the R key

User · Answer

In my case it was that you had the app installed and when you gave it react-native run-android I could not install the app since it was already previously installed

User · Answer

Fix is very simple  Just follow below instructions   First  save the project Click on project folder Click on Syncronize button in the menubar  The third icon from the left which is just below to File menu option  Clean project and run

User · Answer

If it says        The term  gradlew  is not recognized   Then using following command  npm start -- --reset-cache   worked for me  cheers

User · Answer

React Native  In my case I just refresh   http   localhost 8081 debugger-ui      and it works    Any other solutions didn t work for me  Perhaps some files are used by debuger and it can t delete them    Anyway  it works for me  Please try this and give a feedback

User · Answer

Just clean your project  it works for me   Clean task for gradle will work

User · Answer

REACT NATIVE  From your react native folder run    cd android  amp  amp  gradlew clean  THEN  cd     amp  amp  react-native run-android     Notes       For mac you may need to change gradlew to   gradlew      For the command prompt you may need to change the  amp  amp  to  amp       For powershell you may need to change the  amp  amp  to   and gradlew to   gradlew bat      Each command can also be run individually like so cd android then gradlew clean then cd    then react-native run-android

User · Answer

I deleted folder app build and the problem was resolved in my case

User · Answer

Update your gradle version   Go to your project level build gradle file and make sure you are using the latest version of gradle

User · Answer

Just Do onething File- Invalidate caches  restart  After loading the project sync the project

User · Answer

Fix This issue by this command  In Windows Platform  cd android  amp  amp  gradlew clean  amp  amp  cd     In Mac Platform     cd android  amp  amp    gradlew clean  amp  amp  cd

User · Answer

Try closing your text editor  maybe VS Code  and File Explorer and run the command again in terminal with admin permissions

User · Answer

From my experience in React Native  you can also restart your CLI and this error goes away

User · Answer

Delete android app build folder and run react-native run-android

User · Answer

If you encountered these errors due to opening the android studio with sudo command  then the solution is setting permission for the project folder  Run the command below   sudo chmod -R 777 your project folder   clean and rebuild again your android project

User · Answer

I have same issue  When I clean my project and rebuild it then everything works fine   Build -  Clean Project

User · Answer

Just clean your project  Android Studio Build Clean Project  and build again

User · Answer

i just delete the error package from package json and run again gradlew clean and its works for me For React Native

User · Answer

React Native  These steps solved my problem    Renaming of ReactNativeApp android build directory to old build Closing Android Studio Inside ReactNativeApp android executed this command      gradlew clean Making sure my RAM is 1500mb free Then finally executing the command    react-native run-android      It s quite interesting to close Android Studio  But beleive me these steps solved my problem

User · Answer

I guess some of the files in the target build directory is open in another tool you use  Just a file handle open in the folder which has to be cleaned  The build task  clean  wants to delete all the files in the build directory normally  target   and when it fails  the build fails

User · Answer

as others have said allready you need to clean your project   the steps to clean the project are   Build -  Clean Project or Build -  Rebuild Project

User · Answer

In my case  that problem is about permissions  if you open android studio as administrator  or using sudo  then if you open the project again as normal user  android studio may not delete some files because when you open the project as administrator  some project files permissions are changed  If you lived those steps  I think you should clone the project from your VCS  git  tfs  svn etc   again  Otherwise you have to configure project file - folder permissions

[java] Error:Execution failed for task ':app:processDebugResources'. > java.io.IOException: Could not delete folder "" in android studio

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