Android Studio gradle takes too long to build

Question

My Android Studio project used to build faster but now it takes a long time to build  Any ideas what could be causing the delays  I have tried https   stackoverflow com a 27171878 391401 but no effect  I haven t any Anti virus running which could interrupt the builds  My app is not that big in size as well  around 5MB  and it used to build within few seconds but not sure what has changed  10 03 51 Gradle build finished in 4 min 0 sec   10 04 03 Session  app   running   10 10 11 Gradle build finished in 3 min 29 sec   10 10 12 Session  app   running   10 20 24 Gradle build finished in 3 min 42 sec   10 28 18 Gradle build finished in 3 min 40 sec   10 28 19 Session  app   running   10 31 14 Gradle build finished in 2 min 56 sec    10 31 14 Session  app   running   10 38 37 Gradle build finished in 3 min 30 sec   10 42 17 Gradle build finished in 3 min 40 sec   10 45 18 Gradle build finished in 3 min 1 sec   10 48 49 Gradle build finished in 3 min 30 sec   10 53 05 Gradle build finished in 3 min 22 sec   10 57 10 Gradle build finished in 3 min 19 sec   10 57 11 Session  app   running

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AndroidDev solution worked for me  I had included the whole lib in gradle   compile  com google android gms play-services 8 4 0    Changing to solved the problem  From 4 min to 1 min   compile  com google android gms play-services-ads 8 4 0  compile  com google android gms play-services-analytics 8 4 0    Thnx

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In the beta version of Android studio 2 0  they ve rolled out a feature called Instant Run  It reduces the build time by a big factor  The core concept is  Android Studio only pushes the small changes made into an already running app   It classifies the changes we make in our code to three parts  hot swap  warm swap and cold swap  based on how much load would the change would put  on the build  After that  it simply swaps the code in the already running app and we get could see the changes running a few seconds  See their doc for more information    Here you can download Android Studio 2 0 preview   PS  There are a few issues with this feature  They ve listed it out at the docs  Check it out before installation

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Found an easy and best way to build gradle  go to your app    open your gradle properties and change few lines from it  remove     else you may copy paste my below snippet as well        Project-wide Gradle settings     IDE  e g  Android Studio  users    Gradle settings configured through the IDE  will override    any settings specified in this file     For more details on how to configure your build environment visit   http   www gradle org docs current userguide build environment html    Specifies the JVM arguments used for the daemon process    The setting is particularly useful for tweaking memory settings    Default value  -Xmx2048m -XX MaxPermSize 512m  org gradle jvmargs -Xmx4096m -XX MaxPermSize 1024m -XX  HeapDumpOnOutOfMemoryError -Dfile encoding UTF-8    When configured  Gradle will run in incubating parallel mode    This option should only be used with decoupled projects  More details  visit   http   www gradle org docs current userguide multi project builds html sec decoupled projects  org gradle parallel true   it worked for me earlier it take almost 2-3 minutes now it is taking only 5-6 second   in above scenario my mac machine have 8GB ram so i assigned 4gb for gradle

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In Android Studio go to File - gt  Settings - gt  Build  Execution  Deployment - gt  Build Tools - gt  Gradle  if on mac  Android Studio - gt  preferences    - gt  Build  Execution  Deployment - gt  Build Tools - gt  Gradle Check the  Offline work  under  Global Gradle settings  Note  In newer version of Android studio  View- gt Tool Windows- gt Gradle- gt Toggle button of online offline It will reduce 90  gradle build time   if you just added a new dependency in your gradle you will have to uncheck the offline work or gradle will not be able to resolve the dependencies  After the complete resolving then you you can check the offline work for a faster build

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In your build gradle  if you have minifyEnabled for debug  remove it  I had it in my project and it took  2-3 minutes to build  After looking at build progress  I found this as culprit  so deleting the commented line below  my issue was fixed   buildTypes           release               minifyEnabled true             proguardFiles getDefaultProguardFile  proguard-android txt     proguard-rules pro             debug                minifyEnabled true               proguardFiles getDefaultProguardFile  proguard-android txt     proguard-rules pro

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In Android Studio  above Version 3 6  There is a new location to toggle Gradle s offline mode To enable or disable Gradle s offline mode  To enable or disable Gradle s offline mode  select  View  gt  Tool Windows  gt  Gradle from the menu  In the top bar of the Gradle window  click Toggle Offline Mode  near settings icon    It s a little bit confusing on the icon  anyway offline mode is enabled when the toggle button is highlighted

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I had the same issue in kotlin  Updating the outdated kotlin runtime solved it for me

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Check disk usage in Windows OS     The problem can be related to this  in my case I had Windows 8 OS consuming a 100  disk usage  Especially the Windows Search service  can be the most consuming  Disable it with  cmd  Admin  net exe stop  quot Windows search quot   Check this link 4 Tips to Fix 100  Disk Usage  amp  Improve Windows Performance

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I had the same problem  even the gradle build ran for 8 hours and i was worried  But later on i changed the compile sdk version and minimum sdk version in build gradle file like this   Older       android   compileSdkVersion 25 buildToolsVersion  29 0 2   defaultConfig       applicationId  com uwebtechnology salahadmin      minSdkVersion 9     targetSdkVersion 25     New  Updated    android      compileSdkVersion 28    buildToolsVersion  25 0 2    defaultConfig       applicationId  com uwebtechnology salahadmin      minSdkVersion 15     targetSdkVersion 28

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You could try the tips in this post Why your Android Studio takes forever to build - Part 2 One of the tips recommmends  Enable offline mode  among other things

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Enabling Java 8 features caused deadly slow build  gradle   jackOptions           enabled true        compileOptions       targetCompatibility 1 8     sourceCompatibility 1 8     After deleting above lines  it builds in seconds   There is issue Compiling with Jack takes very long time  Project Manager s Answer     We re aware that build times are an issue with Jack right now  We have improvements in the 2 4 Gradle plugin that should be a significant improvement for incremental builds    As of now  latest Gradle version i can find is 2 3 0-beta4

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If you are using Google Play services  make sure you aren t using this in your Gradle build script   compile  com google android gms play-services 8 3 0    Only use those Google APIs that your app is really using  If all you are using is Google Maps  you would use this   com google android gms play-services-maps 8 3 0   When I did this  my compile time went from over 2 minutes to around 25 seconds  For a list of the Google apis that you can selectively compile against  see   https   developers google com android guides setup

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Check your Internet connection  If internet speed is very slow gradle build will also take long time to build  I check by change my wifi internet connection with another one good speed connection  Now build time is normal  Please try this before you go to other solutions  somebody will take wrong decision to reinstall or change settings  I hope it will help  Thanks and regards

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Go to File- Setting-- Gradle-- Set it to offline mode and check

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1  My build time severely increased after i added some new library dependencies to my gradle file  what turned out that i need to use multidex after that  And when i set up multidex correctly then my build times went up to 2-3 minutes  So if you want faster build times  avoid using multidex  and as far as possible  reduce the number of library dependencies    2  Also you can try enabling  offline work  in android studio  like suggested here  that makes sense  This will not refetch libraries every time you make a build  Perhaps slow connection or proxy vpn usage with  offline work  disabled may lead to slow build times   3  google services - as mentioned here  dont use the whole bundle  use only the needed parts of it

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I had a similar issue on my computer  Windows Defender was blocking some part of Gradle Building  I ve disabled it  worked fine after that

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Recommended Reading  How I save 5h week on Gradle builds   According to this excellent post you should try to optimized the following    Gradle Daemon Parallel Project Execution Configure projects on demand Modules are expensive

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I had issues like this especially when debugging actively through my phone  at times it took 27 minutes  I did the following things and take note of the explanation under each - one may work for you    Changed my gradle properties file  under Gradle scripts if you have the project file view under Android option OR inside your project folder   I added this because my computer has some memory to spare - you can assign different values at the end depending on your computer specifications and android studio minimum requirements  Xmx8000m -XX MaxPermSize 5000m         org gradle daemon true      org gradle configureondemand true      org gradle parallel true      android enableBuildCache true      org gradle caching true      org gradle jvmargs -Xmx8000m -XX MaxPermSize 5000m -XX  HeapDumpOnOutOfMemoryError -Dfile encoding UTF-8    This did not completely solve my issue in my case  Therefore I also did as others had suggested before - to make my builds process offline       File -  Settings Preferences -  Build  Execution  Deployment -  Gradle      Global Gradle Settings  at the bottom       Mark the checkbox named  Offline Work     This reduced time substantially but it was erratic  at times took longer  Therefore I made some changes on Instant Run       File -  Settings Preferences -  Build  Execution  Deployment -  Instant Run      Checked   Enable Instant Run to hot swap code         Checked  restart activity on code changes        The move above was erratic also and therefore I sought to find out if the problem may be the processes memory that ran directly on either my phone and computer  Here I freed up a little memory space in my phone and storage  which was at 98  utilized - down to 70   and also on task manager  Windows   increased the priority of both Android Studio and  Java exe to High  Take this step cautiously  depends on your computer s memory  After all this my build time while debugging actively on my phone at times went down to 1   2 minutes but at times spiked  I decided to do a hack which surprised me by taking it down to seconds best yet on the same project that gave me 22 - 27 minutes was 12 seconds        Connect phone for debugging then click RUN      After it starts  unplug the phone - the build should continue faster and raise an error at the end indicating this   Session  app   Error Installing APKs      Reconnect back the phone and click on RUN again      ALTERNATIVELY  If the script function method I m debugging is purely JAVA  not JAVA-android e g  testing an API with JSONArrays JSONObjects  I test my java functions methods on Netbeans which can compile a single file and show the output faster then make necessary changes on my Android Studio files  This also saves me a lot of time   EDIT  I tried creating a new android project in local storage and copied all my files from the previous project into the new one - java  res  manifest  gradle app  and gradle project  with latest gradle classpath dependency   And now I can build on my phone in less than 15 seconds

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I was facing the same problem for a long time but I solved it by adjusting the settings in gradle   Step 1 In Module app add dependency in BuildScript   buildscript    dependencies            classpath  com android tools build gradle 2 0 0-alpha9        Step 2  Add dexOption and give the following heapSize    dexOptions       incremental   true      preDexLibraries   false     javaMaxHeapSize  4g      Step 3  Add productFlavors      productFlavors       dev           minSdkVersion 23         applicationId    com Reading home            prod           minSdkVersion 15         applicationId    com Reading home     you don t need it  but can be useful            This should reduce your build time

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Following the steps will make it 10 times faster and reduce build time 90   First create a file named gradle properties in the following directory    home  lt username gt   gradle   Linux   Users  lt username gt   gradle   Mac  C  Users  lt username gt   gradle  Windows    Add this line to the file   org gradle daemon true  org gradle parallel true

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Found the reason   If Android Studio has a proxy server setting and can t reach the server then it takes a long time to build  probably its trying to reach the proxy server and waiting for a timeout  When I removed the proxy server setting its working fine   Removing  proxy  File  gt  Settings  gt  Appearance  amp  Behavior  gt  System settings  gt  HTTP Proxy

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The second thing i did was Uninstall my Anti-Virus software  AVG Antivirus   sounds crazy but  i had to   it reduced gradle build time upto 40  The first thing i did was enable offline mode  1  click on Gradle usually on the right side of the editor 2  click on the connection button to toggle  it reduced the gradle build time for upto 20  so my Gradle build time was reduced for upto 60  by doing these two things

[android] Android Studio gradle takes too long to build

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