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Editorial Team
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Asked: 2026-06-06T02:35:45+00:00

I have an activity that shows some TextView s and EditText s, as well

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I have an activity that shows some TextViews and EditTexts, as well as DatePickers and TimePickers. Now I am adding a Spinner, and its pretty much close to the bottom, just like my code is in the onCreate() for it. When I click on the Spinner, it pops open up, probably cuz its close to the bottom and there isn’t enough room. So I thought i’d test it out when it was on the top. But it failed. The error is:

06-20 15:31:28.802: E/AndroidRuntime(980): java.lang.RuntimeException: 
Unable to start activity ComponentInfo{com.zeroe/com.zeroe.AddEventActivity}: 
java.lang.ClassCastException: android.widget.Spinner cannot be cast to
android.widget.Button

I don’t understand that, but from what I am guessing, the placement of the XML should follow the placement of the code. I am literally copy-and-pasting the xml code to the top, so I know I am not altering anything. So is this a rule, or am I making some sort of mistake? Thanks for your input in advance.

EDIT:

My Code Spinner spinner = (Spinner)findViewById(R.id.reminder_spinner);

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1 Answer

  1. Editorial Team

    Beware that when you change your layouts, sometimes Eclipse does not rebuild the resources and you are left with ids that do not match their XML declared Views. A full clean and rebuild should take care of it.

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