java.lang.NumberFormatException: Invalid double: ""

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Root Cause Analysis

  1. java.lang.NumberFormatException

    Invalid double: ""

    at java.lang.StringToReal.invalidReal()
  2. Java RT
    Double.parseDouble
    1. java.lang.StringToReal.invalidReal(StringToReal.java:63)
    2. java.lang.StringToReal.parseDouble(StringToReal.java:267)
    3. java.lang.Double.parseDouble(Double.java:301)
    3 frames
  3. josephshin.tempconv
    MainActivity$2.afterTextChanged
    1. josephshin.tempconv.MainActivity$2.afterTextChanged(MainActivity.java:56)
    1 frame
  4. Android Platform
    ViewGroup.dispatchKeyEvent
    1. android.widget.TextView.sendAfterTextChanged(TextView.java:9271)
    2. android.widget.TextView$ChangeWatcher.afterTextChanged(TextView.java:12015)
    3. android.text.SpannableStringBuilder.sendAfterTextChanged(SpannableStringBuilder.java:1047)
    4. android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:564)
    5. android.text.SpannableStringBuilder.delete(SpannableStringBuilder.java:225)
    6. android.text.SpannableStringBuilder.delete(SpannableStringBuilder.java:34)
    7. android.text.method.BaseKeyListener.backspaceOrForwardDelete(BaseKeyListener.java:106)
    8. android.text.method.BaseKeyListener.backspace(BaseKeyListener.java:51)
    9. android.text.method.BaseKeyListener.onKeyDown(BaseKeyListener.java:215)
    10. android.text.method.NumberKeyListener.onKeyDown(NumberKeyListener.java:138)
    11. android.widget.TextView.doKeyDown(TextView.java:7187)
    12. android.widget.TextView.onKeyDown(TextView.java:6994)
    13. android.view.KeyEvent.dispatch(KeyEvent.java:3249)
    14. android.view.View.dispatchKeyEvent(View.java:9838)
    15. android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1739)
    16. android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1739)
    17. android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1739)
    18. android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1739)
    19. android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1739)
    20. android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1739)
    20 frames
  5. Android
    PhoneWindow.superDispatchKeyEvent
    1. com.android.internal.policy.PhoneWindow$DecorView.superDispatchKeyEvent(PhoneWindow.java:2808)
    2. com.android.internal.policy.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1838)
    2 frames
  6. Android Platform
    Activity.dispatchKeyEvent
    1. android.app.Activity.dispatchKeyEvent(Activity.java:2977)
    1 frame
  7. Android v7
    AppCompatDelegateImplBase$AppCompatWindowCallbackBase.dispatchKeyEvent
    1. android.support.v7.app.AppCompatActivity.dispatchKeyEvent(AppCompatActivity.java:543)
    2. android.support.v7.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:53)
    3. android.support.v7.app.AppCompatDelegateImplBase$AppCompatWindowCallbackBase.dispatchKeyEvent(AppCompatDelegateImplBase.java:312)
    3 frames
  8. Android
    PhoneWindow$DecorView.dispatchKeyEvent
    1. com.android.internal.policy.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:2682)
    1 frame
  9. Android Platform
    ActivityThread.main
    1. android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:5273)
    2. android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5226)
    3. android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4673)
    4. android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4726)
    5. android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4692)
    6. android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4834)
    7. android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4700)
    8. android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4891)
    9. android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4673)
    10. android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4726)
    11. android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4692)
    12. android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4700)
    13. android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4673)
    14. android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:7359)
    15. android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:7237)
    16. android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:7198)
    17. android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:4310)
    18. android.os.Handler.dispatchMessage(Handler.java:102)
    19. android.os.Looper.loop(Looper.java:158)
    20. android.app.ActivityThread.main(ActivityThread.java:7225)
    20 frames
  10. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  11. Android
    ZygoteInit$MethodAndArgsCaller.run
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
    1 frame