FATAL EXCEPTION: main java.lang.UnsatisfiedLinkError in Android Studio library

Question

I added FDxSDKProAndroid.jar file in libs folder of my project in android studio. Also added dependency in build.gradle file.

dependencies { compile 'com.android.support:support-v4:18.0.0' compile 'com.google.android.gms:play-services:4.0.30' compile files('libs/FDxSDKProAndroid.jar') }

Project builds properly without any error but onRuntime I got following error,How to resolve this error?

Error occured in following line,

sgfplib=new JSGFPLib((UsbManager)getSystemService(Context.USB_SERVICE));

Error:

12-04 13:35:13.022 12345-12345/? E/AndroidRuntime﹕ FATAL EXCEPTION: main java.lang.UnsatisfiedLinkError: Couldn't load jnisgfplib from loader dalvik.system.PathClassLoader[DexPathList[dexElements=[zip file "/data/app/com.mycompany.mytrack-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.mycompany.mytrack-1, /vendor/lib, /system/lib]]]: findLibrary returned null at java.lang.Runtime.loadLibrary(Runtime.java:359) at java.lang.System.loadLibrary(System.java:514) at SecuGen.FDxSDKPro.JSGFPLib.<clinit>(JSGFPLib.java:150) at com.mycompany.mytrack.FingerPrintActivity.onCreate(FingerPrintActivity.java:105) at android.app.Activity.performCreate(Activity.java:5122) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1081) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2358) at android.app.ActivityThread.access$600(ActivityThread.java:156) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1340) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:153) at android.app.ActivityThread.main(ActivityThread.java:5297) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600) at dalvik.system.NativeStart.main(Native Method) 12-04 13:35:13.033 511-529/? E/AppErrorDialog﹕ Failed to get ILowStorageHandle instance

This solution helped me a lot stackoverflow.com/questions/18556114/… — Anudeep
– Anudeep, Commented Feb 5, 2016 at 10:03

Community · Accepted Answer · 2017-05-23 11:46:08Z

24

You could just put the .so files into jniLibs folder in src/main. This was introduced in AS 0.7.2 ¹

As a sample, see this from @CommonsWare, or see this page for official samples (scroll to the bottom of page)

edited May 23, 2017 at 11:46

CommunityBot

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answered Aug 1, 2014 at 10:59

Avinash R

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2 Comments

anon Over a year ago

This worked for me. I was having the same issue with the Twilio SDK.

Ali Ahmed Over a year ago

link to @CommonsWare answer is broken

Mohamed · Accepted Answer · 2016-02-02 20:28:23Z

Here is my last hack when i was integrating with the same library for finger print device while trying to import .so files into Android Studio 1.5 Error occurred in this line

sgfplib=new JSGFPLib((UsbManager)getSystemService(Context.USB_SERVICE));

Solution was to create a folder with the name armeabi-v7a in src/main/jniLibs so the hierarchy should be as the attached screen shot.

Hope this can help :) with the latest Android Studio 1.5

@Mohamed i dont have jniLibs folder in my app. how to add it.

Scott Barta · Accepted Answer · 2013-12-04 17:06:32Z

4

It looks like it's trying to load a native library, and there isn't support in Android Gradle for native code yet. You should double-check the docs for your library to confirm; I tried to look it up but it looks like it's a commercial library without publicly accessible docs.

answered Dec 4, 2013 at 17:06

Scott Barta

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2 Comments

Ramprasad Over a year ago

Yes Still no support for native library in Android gradle.Just I followed simple hack.It works great.groups.google.com/d/msg/adt-dev/nQobKd2Gl_8/Z5yWAvCh4h4J

Avinash R Over a year ago

@Ramprasad, I don't think this may be the correct answer anymore.

Minto · Accepted Answer · 2014-06-25 11:25:15Z

There is a way .. but it is a simple hack. U can bind armeabi folder inside which there is XXXX.so files.

these are the native codes and as @Scott Barta said there isn't support in Android Gradle for native code.

So lets wrap it like our normal jar files.. Step 1: create a folder and name it 'lib' Step 2: took the armeabi>xxxx.so files inside the lib folder. Setp 3: now zip the lib file and name the zipped file as XXXXX.zip.

Now the project structure will be XXXX.zip-lib-armeabi-xxxx.so

Step 4: Copy the zip file to Libs folder of android studio. Step 5: Rename the xxxx.zip to xxxx.jar Step 6: paste the code below in the dependency of gradle.

dependencies { compile fileTree(dir: 'libs', include: '*.jar') }

Now Sync gradle and then run.

Note: This armeabi will work only if the cpu of emulator is armeabi. For intel x86 you may need to create 'x86' folder inside zip and paste corresponding .so file in that folder.

This worked for me. try it :)

Happy coding..

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