How do I add a library project to Android Studio

Question

How do I add a library project  such as Sherlock ABS  to Android Studio     Not to the old ADT Eclipse-based bundle  but to the new Android Studio

User · Answer

If you need access to the resources of a library project  as you do with ABS  ensure that you add the library project module as a  Module Dependency  instead of a  Library

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Simply import the Android library project as a module and in Build gradle   Apply plugin   com android library   After that  follow these steps    Right click on Module  amp  select open Module settings Select dependencies  click on    select library dependencies  and add the previously imported module

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Basically  you can include your JAR files in three different ways  The last one is remote library that is using https   bintray com  jcenter online repository  But  if you do it in one of the two other ways  the JAR file will be included physically in your project  Please read this link https   stackoverflow com a 35369267 5475941 for more information  In this post I explained how to import your JAR file in Android studio and I explained all possible ways   In summary  if it is like this  local address   they are downloaded and these JAR files are physically in the project     But  if it is an internet address like this  they are remote libraries  bintray com jcenter part  and they will be used remotely     I hope it helps

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Here is the visual guide   Update for Android Studio 0 8 2   In Android Studio 0 8 2  go to Project Structure -  under Modules just hit the plus button and select Import Existing Project and import actionbarsherlock  Then synchronise your Gradle files   If you face the error     Error  The SDK Build Tools revision  xx x x  is too low  Minimum   required is yy y y   just open the build gradle file in actionbarsherlock directory and update the buildToolsVersion to the suggested one   android     compileSdkVersion 19   buildToolsVersion  yy y y        Menu File -  Project Structure        Module -  Import Module    After importing the library module  select your project module and add the dependency     And then select the imported module

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I found the solution  It s so simple  Follow froger mcs instructions   Make sure that you make the src folder a Source folder in Project Structure -  Modules  Sources

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https   www dropbox com s 1e3eteu3h0pmkf7 Android 20studio 20 doc doc dl 0 is the Dropbox link of how to add a JAR file and library project in the latest version of Android Studio 1 0 1   Please see the documentation with screenshots  It s very easy for a new user

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Open the build gradle module app file and add your dependency  If you download the library  just import and build as gradle   Otherwise add repositories in side gradle module app   repositories           maven   url  http   clinker 47deg com nexus content groups public        The first repositories will download the library for you   And compile the downloaded library    compile   com fortysevendeg swipelistview swipelistview 1 0-SNAPSHOT aar             transitive   true         If you are creating a library  you just need to import the project as import new module

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For Android Studio     Click on Build gradle  module  app    And add for  dependencies       compile fileTree include      jar    dir   libs       compile files  libs commons-io-2 4 jar       and in your directory  app   create a directory   libs   Add the file yourfile jar     Finally  compile the Gradle Files

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If you have Android Studio  0 4 0  you can create a new folder in your build path  YourApp libraries  Copy the JAR file  There in  right click on it and  Add As Library   Now you have a popup  Just select your directory and press OK  and that s it

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I have just found an easier way  rather than writing directly into the  gradle files    This is for Android Studio 1 1 0    Menu File -  New Module        Click on  Import Existing Project   Select the desired library and the desired module  Click finish  Android Studio will import the library into your project  It will sync gradle files  Add the imported module to your project s dependencies   Right click on the app folder -  Open Module settings -  go to the dependencies tab -  Click on the     button -  click on Module Dependency   The library module will be then added to the project s dependencies        Profit

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After importing the ABS Module  from File   Project Structure  and making sure it has Android 2 2 and Support Library v4 as dependencies  I was still getting the following error as you  Alex   Error retrieving parent for item  No resource found that matches the given name  Theme Sherlock Light DarkActionBar    I added the newly imported module as a dependency to my main app module and that fixed the problem

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Android Studio 3 0 Just add the library name to the dependencies block of your app s build gradle file  dependencies                  implementation  com example some-library 1 0 0     Note that you should use implementation rather than compile now  This is new with Android Studio 3 0  See this Q amp A for an explanation of the difference

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To resolve this problem  you just need to add the abs resource path to your project build file  just like below   sourceSets       main           res srcDirs     src main res         ActionBarSherlock actionbarsherlock res             So  I again compile without any errors

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I also encountered the same problem then I did following things    I import the library project into my AndroidStudio IDE as a module using menu File -  Import module  menus Then I went to my main module in which I want the library project as a dependent project Right click on the main module  in my case its name is app  -  open module setting -  go into dependencies tab -  click on   button  you will get it on right side of window  -  click on module dependency -  select your library project from list   Apply the changes and click the OK button   It worked for me  I hope it will help others too

User · Answer

You can do this easily  Go to menu File -  New -  Import Module        Browse for the directory which contains the module  Click Finish     Go to Project Structure and add Module Dependency     Note  If you receive an SDK error  update that one

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The easiest way I found to include external library project is  for example to include a Facebook library which is stored one directory up in the dependencies folder     In settings gradle add  include   facebook   project   facebook   projectDir   new File settingsDir      dependencies FacebookSDK    In build gradle dependencies section  add  compile project   facebook      All left to do is synchronise the project with gradle files

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Add this in your build gradle file    dependencies        implementation  com jakewharton butterknife 9 0 0

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In Android Studio  go to inside app folder  and open build gradle file  Here you will see dependencies    Inside it you can add the library project and synchronise  Now after synchronising the library it will be added to your project  and you can use its functions and classes in your project

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A simple way to add a JAR file as a library to your Android Studio project   a  Copy your   jar files  b  Paste into the libs directory under your projects     c  Add to build gradle   dependencies               compile files  libs ScanAPIAndroid jar    libs ScanAPIFactoryAndroid jar               b  If your project from example com example MYProject and libraries com example ScanAPI has the same namespace com example  Android Studio will check your build and create all necessary changes in your project  After that you can review these settings in menu File -  Project Structure   c  If your project and libraries have a different namespace you have to right click on the library and select option  Add as Library  and select the type what you need   Remember the  Project structure  option is not doing any auto changes in  build gradle  in the current version of Android Studio  0 2 3   Maybe this feature will be available in the next versions

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Editing library dependencies through the GUI is not advisable as that doesn t write those changes to your build gradle file  So your project will not build from the command-line  We should edit the build gradle file directly as follows   For instance  given to following structure   MyProject    app  libraries    lib1  lib2     We can identify three projects  Gradle will reference them with the following names     app  libraries lib1  libraries lib2   The  app project is likely to depend on the libraries  and this is done by declaring the following dependencies   dependencies       compile project   libraries lib1

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I had a different cause of the problem so for people   repositories       mavenCentral       change mavenCentral   to jcenter   and add  allprojects       repositories           jcenter

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First Way This is working for MacBook   First select your builder gradle file as given screen     Add dependencies like as on the selected screen     Select sync project   If you are getting an error like  Project with path  signature-pad  could not be found in project   app    then please use the second way   Select menu File -  New -  Import Module        After clicking on Import Module     give the path of library like as my MacBook path     Click on Finish  Now your library are added

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I would consider Dependencies  Android Libraries and Multi-project setup necessary reading  Please take a few minutes to do so   Particularly  in the case of a non-jar library project  read the following snippet from above source      Gradle projects can also depend on other gradle projects by using a multi-project setup    A multi-project setup usually works by having all the projects as sub folders of a given root project       For instance  given to following structure     MyProject     app     libraries        lib1        lib2       We can identify 3 projects  Gradle will reference them with the following name     app  libraries lib1  libraries lib2      Each projects will have its own build gradle declaring how it gets built    Additionally  there will be a file called settings gradle at the root declaring the projects    This gives the following structure    MyProject     settings gradle    app        build gradle    libraries        lib1           build gradle       lib2           build gradle      The content of settings gradle is very simple    include   app     libraries lib1     libraries lib2       This defines which folder is actually a Gradle project       The  app project is likely to depend on the libraries  and this is done by declaring the following dependencies    dependencies       compile project   libraries lib1       Kindly note that there was little or no use of Android Studio GUI to make this happen   I am currently using git submodules to link the nested library to the actual library git repo to avoid a dependency mess

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Update for Android Studio 1 0  Since Android Studio 1 0 was released  and a lot of versions between v1 0 and one of the firsts from the time of my previous answer  some things has changed   My description is focused on adding external library project by hand via Gradle files  for better understanding the process   If you want to add a library via Android Studio creator just check the answer below with visual guide  there are some differences between Android Studio 1 0 and those from screenshots  but the process is very similar    Before you start adding a library to your project by hand  consider adding the external dependency  It won   t mess in your project structure  Almost every well-known Android library is available in a Maven repository and its installation takes only one line of code in the app build gradle file   dependencies        compile  com jakewharton butterknife 6 0 0      Adding the library  Here is the full process of adding external Android library to our project    Create a new project via Android Studio creator  I named it HelloWorld  Here is the original project structure created by Android Studio     HelloWorld        app             - build gradle     local Gradle configuration  for app only                       - build gradle    Global Gradle configuration  for whole project        - settings gradle       - gradle properties               In the root directory  HelloWorld    create new folder   libs in which we   ll place our external libraries  this step is not required - only for keeping a cleaner project structure   Paste your library in the newly created  libs folder  In this example I used PagerSlidingTabStrip library  just download ZIP from GitHub  rename library directory to    PagerSlidingTabStrip  and copy it   Here is the new structure of our project     HelloWorld        app             - build gradle     Local Gradle configuration  for app only                       libs             PagerSlidingTabStrip                  - build gradle    Local Gradle configuration  for library only        - build gradle    Global Gradle configuration  for whole project        - settings gradle       - gradle properties               Edit settings gradle by adding your library to include  If you use a custom path like I did  you have also to define the project directory for our library  A whole settings gradle should look like below   include   app     PagerSlidingTabStrip  project   PagerSlidingTabStrip   projectDir   new File  libs PagerSlidingTabStrip      5 1 If you face  Default Configuration  error  then try this instead of step 5       include   app      include   libs PagerSlidingTabStrip     In app build gradle add our library project as an dependency   dependencies       compile fileTree dir   libs   include      jar        compile  com android support appcompat-v7 21 0 3      compile project   PagerSlidingTabStrip        6 1  If you followed step 5 1  then follow this instead of 6       dependencies           compile fileTree dir   libs   include      jar            compile  com android support appcompat-v7 21 0 3           compile project   libs PagerSlidingTabStrip            If your library project doesn   t have build gradle file you have to create it manually  Here is example of that file       apply plugin   com android library       dependencies           compile  com android support support-v4 21 0 3             android           compileSdkVersion 21         buildToolsVersion  21 1 2           defaultConfig               minSdkVersion 14             targetSdkVersion 21                    sourceSets               main                   manifest srcFile  AndroidManifest xml                  java srcDirs     src                   res srcDirs     res                                  Additionally you can create a global configuration for your project which will contain SDK versions and build tools version for every module to keep consistency  Just edit gradle properties file and add lines   ANDROID BUILD MIN SDK VERSION 14 ANDROID BUILD TARGET SDK VERSION 21 ANDROID BUILD TOOLS VERSION 21 1 3 ANDROID BUILD SDK VERSION 21   Now you can use it in your build gradle files  in app and libraries modules  like below         android       compileSdkVersion Integer parseInt project ANDROID BUILD SDK VERSION      buildToolsVersion project ANDROID BUILD TOOLS VERSION      defaultConfig           minSdkVersion Integer parseInt project ANDROID BUILD MIN SDK VERSION          targetSdkVersion Integer parseInt project ANDROID BUILD TARGET SDK VERSION                 That   s all  Just click    synchronise the project with the Gradle    icon   Your library should be available in your project    Google I O 2013 - The New Android SDK Build System  is a great presentation about building Android apps with Gradle Build System  As Xavier Ducrohet said      Android Studio is all about editing  and debugging and profiling    It s not about building any more    At the beginning it may be little bit confusing  especially for those  who works with Eclipse and have never seen the ant - like me       but at the end Gradle gives us some great opportunities and it worth to learn this build system

User · Answer

To add to the answer  If the IDE doesn t show any error  but when you try to compile  you get something like   No resource found that matches the given name  Theme Sherlock Light    Your library project is probably compiled as an application project  To change this  go to   Menu File -  Project structure -  Facets -   Library name  -  Check  Library module

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Indeed as versions are changing  so is changing the user interface and options available on the menu  After reading most of the answers to these questions I had to guess what would work for Android Studio 1 1 0    With your mouse  select the project at the main level  this is where it shows the name of your app   Right click  and select the menu options New  Folder  Assets Folder  After creating the assets folder  paste or copy in it  whatever JAR file you need for your library  From Android Studio s main menu  top of the screen  select File -  Project Structure  Then select your project name and go to the Dependencies tab  Click on the plus sign     on the lower left of the dialog box and select file dependency  Finally open the recently created assets folder  select the JAR files that you copied  and then click apply and OK    Clean and rebuild your project

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Press F4 to show Project Structure  click libraries or Global libraries  and click   to add the JAR file  Click Modules what you want add jar  select the Dependencies tab  click    and add Library

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Option 1  Drop Files Into Project s libs directory  The relevant build gradle file will then update automatically   Option 2  Modify build gradle File Manually  Open your build gradle file and add a new build rule to the dependencies closure  For example  if you wanted to add Google Play Services  your project s dependencies section would look something like this   dependencies        compile fileTree dir   libs   include      jar         compile  com google android gms play-services 6 5           Option 3  Use Android Studio s User Interface  In the Project panel  Control   click the module you want to add the dependency to and select Open Module Settings     Select the Dependencies tab  followed by the   button in the bottom-left corner  You can choose from the following list of options    Library Dependency File Dependency Module Dependency   You can then enter more information about the dependency you want to add to your project  For example  if you choose Library Dependency  Android Studio displays a list of libraries for you to choose from   Once you ve added your dependency  check your module-level build gradle file  It should have automatically updated to include the new dependency   Source

User · Answer

This is how it works for me in Android Studio 1 5   In the project where you want to add external library project  go to menu File -  New -   Import new Module    navigate to the library project which you want to add to your project  select to add  library  module in your project  You will get settings gradle in your projects  beside app  included library  something like this   include   app     library    Add in build gradle Module  app  in the dependencies section   Compile project   library    Rebuild the project  and that s it    You can add as many libraries  modules  as you want  In that case in settings gradle you will have    include   app     lib1     lib2         And in build gradle  you ll need to have   dependencies       compile fileTree dir   libs   include      jar            Some other dependencies         compile project   lib1       compile project   lib2

User · Answer

Use menu File -  Project Structure -  Modules   I started using it today  It is a bit different   For Sherlock  maybe you want to delete their test directory  or add the junit jar file to the classpath   To import the library using gradle  you can have to add it to the dependencies section of your  build gradle  the module s one    E g   dependencies       compile fileTree dir   libs   include      jar        compile  com android support appcompat-v7 22 1 0      compile  com actionbarsherlock actionbarsherlock 4 4 0 aar      Android Studio is changing   There exist a section named  Open module settings  if you right-click on a module folder in the project section of Android Studio  I m using the version 0 2 10

[android] How do I add a library project to Android Studio?

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