java.lang.IllegalAccessException: Fingerprint authentication is not available on this device! Ensure that the device has a Fingerprint sensor and enrolled Fingerprints by calling RxFingerprint#available(Context) first

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Fingerprint authentication is not available on this device! Ensure that the device has a Fingerprint sensor and enrolled Fingerprints by calling RxFingerprint#available(Context) first
java.lang.IllegalAccessException: Fingerprint authentication is not available on this device! Ensure that the device has a Fingerprint sensor and enrolled Fingerprints by calling RxFingerprint#available(Context) first
at com.mtramin.rxfingerprint.FingerprintObservable.call(FingerprintObservable.java:54)
at com.mtramin.rxfingerprint.FingerprintObservable.call(FingerprintObservable.java:37)
at rx.internal.operators.OnSubscribeFromAsync.call(OnSubscribeFromAsync.java:71)
at rx.internal.operators.OnSubscribeFromAsync.call(OnSubscribeFromAsync.java:31)
at rx.Observable.subscribe(Observable.java:10246)
at rx.Observable.subscribe(Observable.java:10213)
at rx.Observable.subscribe(Observable.java:10053)
at com.apifingerprint.MainActivity$1.onClick(MainActivity.java:76)
at android.view.View.performClick(View.java:5697)
at android.widget.TextView.performClick(TextView.java:10826)
at android.view.View$PerformClick.run(View.java:22526)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:158)
at android.app.ActivityThread.main(ActivityThread.java:7224)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)

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