java.lang.NullPointerException #16
Description
String testAddr = mapKey.get(findServerIndex).replace("http://", "https://");
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.replace(java.lang.CharSequence, java.lang.CharSequence)' on a null object reference
Help please i could not resolve this probléme. the app crush when i run it .