Initialization functions not found in libs

I copied the libs in x86 issue in my jniLibs folder, copied your source files , compiled and added them in my code

However I get this error. Any idea why its not reading the functions inside so or am i missing some files?

: : app_package fatal error : No implementation found for int app_package.widgets.recorder.OpusEncoder.nativeInitEncoder(int, int, int) (tried Java_app_package_widgets_recorder_OpusEncoder_nativeInitEncoder and Java_app_package_widgets_recorder_OpusEncoder_nativeInitEncoder__III)
                                                                java.lang.UnsatisfiedLinkError: No implementation found for int app_package.widgets.recorder.OpusEncoder.nativeInitEncoder(int, int, int) (tried Java_app_package_widgets_recorder_OpusEncoder_nativeInitEncoder and Java_app_package_widgets_recorder_OpusEncoder_nativeInitEncoder__III)
                                                                    at app_package.widgets.recorder.OpusEncoder.nativeInitEncoder(Native Method)
                                                                    at app_package.widgets.recorder.OpusEncoder.init(OpusEncoder.java:46)
                                                                    at app_package.widgets.recorder.AudioThread.run(AudioThread.java:67)