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Editorial Team
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Asked: 2026-05-18T09:48:10+00:00

I am looking for a number picking like those used in the date controls

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I am looking for a number picking like those used in the date controls on an Android and found this question:
hour/minute picker for android countdown timer

Following that example I can get the controls I want – Yay! The problem is I don’t see how to get the value the user selects? Normally I would set an on change listener and be happy, but how do I create a class that implements the internal interface com.android.internal.widget.NumberPicker$OnChangedListener? Is there another way to get the current selection?

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1 Answer

  1. Editorial Team

    Check the source code… Do you need a listener? getCurrent should give you the value. With reflection it would be something like:

    Method m = c.getMethod("getCurrent");
int value = (Integer) m.invoke(o, foo);

    EDIT: You can implement an interface that you got through reflection with java.lang.reflect.Proxy, see this question here.

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