I tried to install opentok library using dependencies but it's filed so I downloaded a library and added it inside the libs folder after that I got this error
W/System.err: java.lang.ClassNotFoundException: Didn't find class
"com.vonage.webrtc.voiceengine.BuildInfo" on path: DexPathList[[zip file "/data/app/com.bluecrunch.dareyourbody-buQZ-
eZUzOFFJdSCL_Ms_g==/base.apk"],nativeLibraryDirectories=[/-buQZ-
eZUzOFFJdSCL_Ms_g==/lib/arm64, -buQZ-eZUzOFFJdSCL_Ms_g==/base.apk!/lib/arm64-v8a, /system/lib64, /hw_product/lib64, /system/product/lib64, /prets/lib64]]
W/System.err: at
dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:209) W/System.err: at java.lang.ClassLoader.loadClass(ClassLoader.java:379) W/System.err: at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
W/System.err: at com.opentok.android.Utils.init_otc_engine(Native Method) W/System.err: at com.opentok.android.Utils.initOtcEngine(Unknown Source:5)
W/System.err: at com.opentok.android.Session.(Unknown Source:67) W/System.err: at com.opentok.android.Session$Builder.build(Unknown Source:25)