Clash Royale CLAN TAG

Android plurals not working properly when you change system language

My application has only polish strings, it's default language of an app.
Here you can see example plurals placed under res/vaules:

<plurals name="number_of_vouchers">
<item quantity="one">%d kupon</item>
<item quantity="few">%d kupony</item>
<item quantity="many">%d kuponów</item>
<item quantity="other">%d kuponów</item>
</plurals>


Here you have test activity class:

class DevTest : AppCompatActivity() {

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_dev_test)

val stb = StringBuilder()
for (j in 1..30) {
stb.append(resources.getQuantityString(R.plurals.number_of_vouchers, j, j) + "n")
}
testTV.text = stb.toString()
}
}


This how example test looks like on system settings with Polish language set as default:

This how example test looks like on system settings with English language set as default:

You can see that for English system language it's omits

<item quantity="few">%d kupony</item>


even if app has only one language, and it's not English.

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