how to set width of spinner in android? [closed]

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how to set width of the spinner programatically ?

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In your layout file

<Spinner 
    android:id="@+id/spinner"
    android:layout_width="200dip"
    android:layout_height="fill_parent"
    android:prompt="@string/my_spinner"
/>

would give the spinner a width of 200dip.