How to include so library in Android Studio

Question

I read many threads how to add a   so library to Android Studio  but none of them works  especially when it comes to the point of text  This does not work with the newer xxx  Android Studio  gradle        Can we make a fresh start please  I got   Android Studio 0 6 0  From Project Structure I see   SDK Location    usr share android-studio data sdk  usr lib jvm default-java   Project   Gradle version 1 10 Android Plugin Version 0 11     Modules app  Properties   Compile Sdk Version 19 Build Tools Version 19 1 0  Dependencies    dir libs  include    jar   Compile   dir libs  include    so    Provided  m com android support  appcompat -v7 19     Compile   I got the   so files pre-compiled and at the demo app they are working  I have to change the source code of the app  so I need to rebuild with the same   so files

User · Answer

To use native-library  so files  You need to add some codes in the  build gradle  file   This code is for cleaing  armeabi  directory and copying  so  files into  armeabi  while  clean project    task copyJniLibs type  Copy        from  libs armeabi      into  src main jniLibs armeabi    tasks withType JavaCompile        compileTask - gt  compileTask dependsOn copyJniLibs    clean dependsOn  cleanCopyJniLibs    I ve been referred from the below  https   gist github com pocmo 6461138

User · Answer

Solution 1   Creation of a JniLibs folder  Create a folder called    jniLibs    into your app and the folders containing your   so inside  The  jniLibs  folder needs to be created in the same folder as your  Java  or  Assets  folders   Solution 2   Modification of  the build gradle file  If you don   t want to create a new folder and keep your   so files into the libs folder  it is possible    In that case  just add your   so files into the libs folder  please respect the same architecture as the solution 1   libs armeabi  so for instance  and modify the build gradle file of your app to add the source directory of the jniLibs   sourceSets       main           jniLibs srcDirs     libs             You will have more explanations  with screenshots to help you  here   Step 6      http   blog guillaumeagis eu setup-andengine-with-android-studio   EDIT It had to be jniLibs srcDirs  not jni srcDirs - edited the code  The directory can be a  relative  path that points outside of the project directory

User · Answer

Current Solution  Create the folder project app src main jniLibs  and then put your   so files within their abi folders in that location  E g    project   --libs      --   jar        lt -- if your library has jar files  they go here  --src      -- main          -- AndroidManifest xml         -- java          -- jniLibs               -- arm64-v8a                         lt -- ARM 64bit                  -- yourlib so             -- armeabi-v7a                       lt -- ARM 32bit                  -- yourlib so             -- x86                               lt -- Intel 32bit                 -- yourlib so   Deprecated solution  Add both code snippets in your module gradle build file as a dependency   compile fileTree dir    buildDir native-libs   include   native-libs jar     How to create this custom jar   task nativeLibsToJar type  Jar  description   create a jar archive of the native libs         destinationDir file   buildDir native-libs       baseName  native-libs      from fileTree dir   libs   include        so       into  lib      tasks withType JavaCompile        compileTask - gt  compileTask dependsOn nativeLibsToJar      Same answer can also be found in related question  Include  so library in apk in android studio

User · Answer

so library in Android Studio  You have to generate jniLibs folder inside main in android Studio projects and put your all  so files inside  You can also integrate this line in build gradle  compile fileTree dir   libs   include     jar    so     It s work perfectly    --app    -- --src    -- -- --main   -- -- -- --jniLibs   -- -- -- -- --armeabi   -- -- -- -- -- -- so Files   This is the project structure

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Adding  so Library in Android Studio 1 0 2   Create Folder  jniLibs  inside  src main   Put all your  so libraries inside  src main jniLibs  folder Folder structure looks like    --app    -- --src    -- -- --main   -- -- -- --jniLibs   -- -- -- -- --armeabi   -- -- -- -- -- -- so Files   -- -- -- -- --x86   -- -- -- -- -- -- so Files  No extra code requires just sync your project and run your application   Reference  https   github com commonsguy sqlcipher-gradle tree master src main

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I have solved a similar problem using external native lib dependencies that are packaged inside of jar files  Sometimes these architecture dependend libraries are packaged alltogether inside one jar  sometimes they are split up into several jar files  so i wrote some buildscript to scan the jar dependencies for native libs and sort them into the correct android lib folders  Additionally this also provides a way to download dependencies that not found in maven repos which is currently usefull to get JNA working on android because not all native jars are published in public maven repos    android       compileSdkVersion 23     buildToolsVersion  24 0 0       lintOptions           abortOnError false             defaultConfig           applicationId  myappid          minSdkVersion 17         targetSdkVersion 23         versionCode 1         versionName  1 0 0            buildTypes           release               minifyEnabled false             proguardFiles getDefaultProguardFile  proguard-android txt     proguard-rules pro                       sourceSets           main               jniLibs srcDirs     src main jniLibs     buildDir native-libs                      def urlFile     url  name - gt      File file   new File   buildDir download   name  jar       file parentFile mkdirs       if   file exists              new URL url  withInputStream   downloadStream - gt              file withOutputStream   fileOut - gt                  fileOut  lt  lt  downloadStream                                   files file absolutePath    dependencies       testCompile  junit junit 4 12      compile  com android support appcompat-v7 23 3 0      compile  com android support design 23 3 0      compile  net java dev jna jna 4 2 0      compile urlFile  https   github com java-native-access jna blob 4 2 2 lib native android-arm jar raw true    jna-android-arm       compile urlFile  https   github com java-native-access jna blob 4 2 2 lib native android-armv7 jar raw true    jna-android-armv7       compile urlFile  https   github com java-native-access jna blob 4 2 2 lib native android-aarch64 jar raw true    jna-android-aarch64       compile urlFile  https   github com java-native-access jna blob 4 2 2 lib native android-x86 jar raw true    jna-android-x86       compile urlFile  https   github com java-native-access jna blob 4 2 2 lib native android-x86-64 jar raw true    jna-android-x86 64       compile urlFile  https   github com java-native-access jna blob 4 2 2 lib native android-mips jar raw true    jna-android-mips       compile urlFile  https   github com java-native-access jna blob 4 2 2 lib native android-mips64 jar raw true    jna-android-mips64     def safeCopy     src  dst - gt      File fdst   new File dst      fdst parentFile mkdirs       fdst bytes   new File src  bytes     def archFromName     name - gt      switch  name            case     android- x86-64 x86 64 amd64                  return  x86 64          case     android- i386 i686 x86                  return  x86          case     android- arm64 aarch64                  return  arm64-v8a          case     android- armhf armv7 arm-v7 armeabi-v7                  return  armeabi-v7a          case     android- arm                  return  armeabi          case     android- mips                  return  mips          case     android- mips64                  return  mips64          default              return null          task extractNatives  lt  lt        project configurations compile each   dep - gt          println  Scanning   dep name  for native libs          if   dep name endsWith   jar                return         zipTree dep  visit   zDetail - gt              if   zDetail name endsWith   so                    return             print   tFound   zDetail name               String arch   archFromName zDetail toString                if arch    null                   println   - gt   arch                  safeCopy zDetail file absolutePath                            buildDir native-libs  arch   zDetail file name                  else                   println   - gt  No valid arch                                   preBuild dependsOn   extractNatives

User · Answer

Android NDK official hello-libs CMake example  https   github com googlesamples android-ndk tree 840858984e1bb8a7fab37c1b7c571efbe7d6eb75 hello-libs  Just worked for me on Ubuntu 17 10 host  Android Studio 3  Android SDK 26  so I strongly recommend that you base your project on it   The shared library is called libgperf  the key code parts are    hello-libs app src main cpp CMakeLists txt       -L add library lib gperf SHARED IMPORTED  set target properties lib gperf PROPERTIES IMPORTED LOCATION             distribution DIR  gperf lib   ANDROID ABI  libgperf so      -I target include directories hello-libs PRIVATE                              distribution DIR  gperf include     -lgperf target link libraries hello-libs                       lib gperf   app build gradle   android       sourceSets           main                  let gradle pack the shared library into apk             jniLibs srcDirs        distribution gperf lib     Then  if you look under  data app on the device  libgperf so will be there as well  on C   code  use   include  lt gperf h gt  header location  hello-libs distribution gperf include gperf h lib location  distribution gperf lib arm64-v8a libgperf so If you only support some architectures  see  Gradle Build NDK target only ARM   The example git tracks the prebuilt shared libraries  but it also contains the build system to actually build them as well  https   github com googlesamples android-ndk tree 840858984e1bb8a7fab37c1b7c571efbe7d6eb75 hello-libs gen-libs

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This is my build gradle file  Please note the line   jniLibs srcDirs     libs     This will include libs s   so file to apk   sourceSets       main           manifest srcFile  AndroidManifest xml          java srcDirs     src           resources srcDirs     src           aidl srcDirs     src           renderscript srcDirs     src           res srcDirs     res           assets srcDirs     assets           jniLibs srcDirs     libs                 Move the tests to tests java  tests res  etc        instrumentTest setRoot  tests           Move the build types to build-types  lt type gt         For instance  build-types debug java  build-types debug AndroidManifest xml             This moves them out of them default location under src  lt type gt      which would        conflict with src  being used by the main source set         Adding new build types or product flavors should be accompanied        by a similar customization      debug setRoot  build-types debug       release setRoot  build-types release

[android] How to include *.so library in Android Studio?

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