Getting jniLibs to work with Gradle 2.10

Question

I'm trying to use a native library but I'm getting this error and I can't figure out how to solve it. I'm with this for more than a day by now. Checked a lot of questions and nothing worked. The error is always the same when calling System.loadLibrary("createdata"):

UnsatisfiedLinkError: Couldn't load createdata from loader dalvik.system.PathClassLoader

Attempt 1: Just keep the file in the default folder - src/main/jniLibs/armeabi/libcreatedata.so

Attempt 2: Move the file to another folder - src/main/libs/armeabi/libcreatedata.so - and added this to the module's build.gradle:

android {
    ...
    sourceSets.main {
        jni.srcDirs = [] //disable automatic ndk-build call
        jniLibs.srcDir 'src/main/libs/'
    }
}

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NOTES

• I called libcreatedata.so to the lib's file

• The file is within the folders armeabi, armeabi-v7a and arm64-v8a

• I checked the generated .apk, and it contains the file in lib/armeabi (and others)

• Android Studio 2.1.1

• Gradle:

  com.android.tools.build:gradle:2.1.0
  https\://services.gradle.org/distributions/gradle-2.10-all.zip
  

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UPDATE

As per request, here are the apk's folding:

• Root

• lib

• armeabi