Normally when you use Android Gradle package, you can include individual shared objects (.so's) using configuration parameter jniLibs.srcDirs. .so file gets included in flat manner. But what if I want to include plugins into their own correspondent sub-folders ?
Also taking into account product flavors ?
I have uploaded at least one demo project over here:
https://sourceforge.net/p/syncproj/code/HEAD/tree/sampleScripts/AndroidGradlePackage
(In case if you want to play around by yourself - it's slightly simplified Android java-c++ project).
Currently folder structure is following:
bin\Debug\armeabi-v7a\libnative_lib.so I want to add folder structure like this:
bin\Debug\armeabi-v7a\plugins bin\Debug\armeabi-v7a\plugins\test1 bin\Debug\armeabi-v7a\plugins\test1\test1.so There exists bug report over here: https://issuetracker.google.com/issues/63707864
with status 'Won't fix' - but if this is not fixed - maybe there are some walkaround to it ?
I have tried at least what is mentioned on that page - plugins folder structure gets created, with *so.recipe files inside, but no .so files for some reason - someone seems to filter .so out of there.
Most interesting thing is that generated file build\native-libs\native-libs.jar indeed contains 1. *.so and 2. *.so.recipe files, but only 2nd gets included.
One of solutions mentioned over here:
Attempts to replace java's 'System.loadLibrary' - but aren't there any simpler solution to this ?
So this solution can include *.so.recipe into .apk package: (Just in case if you want to try to continue with my approach) (Must be applied to project link above after dependencies)
dependencies { implementation 'com.android.support.constraint:constraint-layout:1.0.2' // See (*) compile fileTree(dir: "$buildDir/native-libs", include: 'native-libs.jar') } // See (*) task nativeLibsToJar(type: Zip) { destinationDir file("$buildDir/native-libs") baseName 'native-libs' extension 'jar' from fileTree(dir: getCurrentConfigAbiDir() + "/plugins", include: '**/*.so*') // '/lib/armeabi-v7a' - same folder as in .apk package into '/lib/' + getCurrentAbiFolder() + "/plugins" } // // (*) Walk around issue of not being able to add files recursively from sub-folders as well. // https://issuetracker.google.com/issues/63707864 // tasks.withType(JavaCompile) { compileTask -> compileTask.dependsOn(nativeLibsToJar) } //------------------------------------------------------------------------------------------------ // Helper functions //------------------------------------------------------------------------------------------------ // // Gets current Abi folder name, empty if not detected - for example "armeabi-v7a" // String getCurrentAbiFolder() { String[] props = getCommandLineArgs() if( props.length != 2 ) return "" String platform = props[0] String config = props[1] String r = "" android.productFlavors.all { flavour -> if( flavour.name.toLowerCase() == platform.toLowerCase() ) r = flavour.ndk.abiFilters.first().toLowerCase() } // println r return r } String getCurrentConfigAbiDir() { String dirToZip = "DoesNotExists" String[] props = getCommandLineArgs() if( props.length != 2 ) return dirToZip String platform = props[0] String config = props[1] android.productFlavors.all { flavour -> if( flavour.name.toLowerCase() == platform.toLowerCase() ) dirToZip = "bin/" + config + "/" + flavour.ndk.abiFilters.first().toLowerCase() } // println dirToZip return dirToZip } 
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