Add Language UI to Options Dialog Box

Add the new language to the project using the apm_data.xml file by adding a new button struct to the Language line of the application options dialog box.

<define name="options" type="config" >

<item name="numberOfLines" value="2" />

<struct name="line_0">

<item name="displayName" value="@lang:option_line0_name@" />

<item name="numberOfButtons" value="2" />

<struct name="button_0">

<item name="displayName" value="English" />

<item name="mode" value="radio" />

<item name="buttonGroup" value="langGroupRadio"/>

<item name="state" value="enabled" />

<item name="langCode" value="en" /> <!-- Language / Region code -->

</struct>

<struct name="button_1">

<item name="displayName" value="Italian" />

<item name="mode" value="radio" />

<item name="buttonGroup" value="langGroupRadio"/>

<item name="state" value="enabled" />

<item name="langCode" value="it"/> <!-- Language / Region code -->

</struct>

</struct>