Android Exception: UnknownFormatConversionException -


hi setting text inside robototext positioned inside of viewholder calling this: 

viewholder.txtsimilarads.settext((((property)  ads.get(position)).getsimilar_items_count() == 1 ? context.getstring(r.string.ad_data_similar)  : context.getstring(r.string.ad_data_similar_plural, ads.get(position).getimagescount())));

however (sometimes not always)for reason keep getting error exception unknownformatconversionexception , points line inside of class. problem? doing wrong?

check string in r.string.ad_data_similar_plural contains valid placeholder integer. should "here number: %d".

string format specification

as aside, one-liner these harder understand, , make debugging more difficult. more readable approach have given erroneous line more easily:

string similaradstext; property adsproperty = ads.get(position);  if (adsproperty.getsimilar_items_count() == 1) {     similaradstext = context.getstring(r.string.ad_data_similar); } else {     similaradstext = context.getstring(r.string.ad_data_similar_plural, adsproperty.getimagescount()); }  viewholder.txtsimilarads.settext(similaradstext);

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