2019-10-22 15:41:11.535 23750-23750/? E/Zygote: isWhitelistProcess - Process is Whitelisted
2019-10-22 15:41:11.537 23750-23750/? E/Zygote: accessInfo : 1
2019-10-22 15:41:39.785 23750-23750/pdffiller.com.converter.ppt2pdf E/RecyclerView: No adapter attached; skipping layout
2019-10-22 15:41:39.826 23750-23750/pdffiller.com.converter.ppt2pdf E/AndroidRuntime: FATAL EXCEPTION: main
    Process: pdffiller.com.converter.ppt2pdf, PID: 23750
    java.lang.IllegalArgumentException: Animators cannot have negative duration: -350
        at android.animation.ValueAnimator.setDuration(ValueAnimator.java:580)
        at com.airslate.converter_base.activity.convertion.ConvertionActivity.animateToProgress(ConvertionActivity.java:115)
        at com.airslate.converter_base.activity.convertion.ConvertionActivity.lambda$subscribeOnViewModel$1$ConvertionActivity(ConvertionActivity.java:97)
        at com.airslate.converter_base.activity.convertion.-$$Lambda$ConvertionActivity$dmidR-tZrdeXkWcOTDCA9kwH5Y8.onChanged(Unknown Source:4)
        at androidx.lifecycle.LiveData.considerNotify(LiveData.java:113)
        at androidx.lifecycle.LiveData.dispatchingValue(LiveData.java:131)
        at androidx.lifecycle.LiveData.setValue(LiveData.java:289)
        at androidx.lifecycle.MutableLiveData.setValue(MutableLiveData.java:33)
        at androidx.lifecycle.LiveData$1.run(LiveData.java:91)
        at android.os.Handler.handleCallback(Handler.java:873)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:214)
        at android.app.ActivityThread.main(ActivityThread.java:7037)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)