Translator.start returning ERROR_APP_MISSING_SIGNATURE on KitKat

[tystratt]

Found on StackOverflow

int result = Translator.start(mContext, new Translator.ServiceListener() { ..... } it return ERROR_APP_MISSING_SIGNATURE = 51; in kitkat, but its work fine in marshmallow and later android api versions

Workaround for now:

change the check in checkAppSignature() method of TranslatorImpl.java to:

if (packageInfo == null || packageInfo.signatures == null || packageInfo.signatures.length == 0) {