public void addServiceIfNotPresent ( WiFiP2pService service ) { WfdLog . d ( TAG , "addServiceIfNotPresent BEGIN, with size = " + serviceList . size ( ) ) ; if ( service == null ) { WfdLog . e ( TAG , "Service is null, returning..." ) ; return ; } boolean add = true ; for ( WiFiP2pService element : serviceList ) { if ( element != null && element . getDevice ( ) . equals ( service . getDevice ( ) ) && element . getInstanceName ( ) . equals ( service . getInstanceName ( ) ) ) { add = false ; //already in the list } } if ( add ) { serviceList . add ( service ) ; } WfdLog . d ( TAG , "addServiceIfNotPresent END, with size = " + serviceList . size ( ) ) ; }
Method to add a service inside the list in a secure way . The service is added only if isn t already inside the list .