I am getting this error while integrating facebook account kit for mobile verification
Process: com.mobilefirst.pausepay, PID: 26532 java.lang.VerifyError: Rejecting class com.google.android.gms.internal.zzasm because it failed compile-time verification (declaration of 'com.google.android.gms.internal.zzasm' appears in /data/app/com.mobilefirst.pausepay-2/base.apk) at com.google.android.gms.auth.api.Auth.(Unknown Source) at com.facebook.accountkit.ui.AccountKitActivity.onCreate(AccountKitActivity.java:348) at android.app.Activity.performCreate(Activity.java:6092) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1112) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2514) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2641) at android.app.ActivityThread.access$800(ActivityThread.java:182) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1515) at android.os.Handler.dispatchMessage(Handler.java:111) at android.os.Looper.loop(Looper.java:194) at android.app.ActivityThread.main(ActivityThread.java:5717) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)
Found the solution. Just add the following lines in gradle file:-