CODE EXAMPLE FOR JAVASCRIPT

style dropdown react native picker

<resources>
    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
     <item name="android:spinnerItemStyle">@style/SpinnerItem</item>
     <item name="android:spinnerDropDownItemStyle">@style/SpinnerDropDownItem</item>
    </style>

    <!-- Item selected font. -->
    <style name="SpinnerItem" parent="Theme.AppCompat.Light.NoActionBar">
     <item name="android:fontFamily">casual</item>
    </style>

    <!-- Dropdown options font. -->
    <style name="SpinnerDropDownItem" parent="Theme.AppCompat.Light.NoActionBar">
      <item name="android:fontFamily">casual</item>
      <item name="android:padding">8dp</item>
    </style>
<resources>