java.lang.IllegalStateException: Could not execute method for android:onClick

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    app crashes on button click when editText is empty

    Stack Overflow | 7 months ago | Ashish Choudhary
    java.lang.IllegalStateException: Could not execute method for android:onClick
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    java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.elie.billsplitter/com.elie.billsplitter.MainActivity}: java.lang.NumberFormatException: Invalid int: ""
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Root Cause Analysis

  1. java.lang.NumberFormatException

    Invalid int: ""

    at java.lang.Integer.invalidInt()
  2. Java RT
    Integer.parseInt
    1. java.lang.Integer.invalidInt(Integer.java:138)
    2. java.lang.Integer.parseInt(Integer.java:358)
    3. java.lang.Integer.parseInt(Integer.java:334)
    3 frames
  3. com.example.ashis
    MainActivity.checkPrice
    1. com.example.ashis.singlescreenapp.MainActivity.checkPrice(MainActivity.java:36)
    1 frame
  4. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  5. Android v7
    AppCompatViewInflater$DeclaredOnClickListener.onClick
    1. android.support.v7.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:288)
    1 frame
  6. Android Platform
    ActivityThread.main
    1. android.view.View.performClick(View.java:5226)
    2. android.view.View$PerformClick.run(View.java:21350)
    3. android.os.Handler.handleCallback(Handler.java:739)
    4. android.os.Handler.dispatchMessage(Handler.java:95)
    5. android.os.Looper.loop(Looper.java:148)
    6. android.app.ActivityThread.main(ActivityThread.java:5571)
    6 frames
  7. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  8. Android
    ZygoteInit$MethodAndArgsCaller.run
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    1 frame