android - How to represent the call to a class through another class using an UML Class Diagram -

-

in android, let's have 2 classes have common methods starting service, extract them helper class:

classes of diagram

the following diagram shows strange attempt represent it. have used transaction narrows. think activity diagrams, in uml-diagrams.org/class-reference.html, narrows called association navigability. that's why have used them try represent diagram. between helperclass , classservice have used normal association. between classes , service have used restriction (it informative, make more clear):

my representation attempt

am mixing class diagram activity diagram?

update 1: attempt represent component diagram:

component diagram

note: favourite explanation of how use component diagram this: https://www.ibm.com/developerworks/rational/library/dec04/bell/

update 2: attempt draw class diagram suggested changes:

class diagram update

update 3: full class diagram. transaction arrows have been changed associations. user , system interactions have been removed (e.g. startswhenclick starts; startswhendetection starts):

full class diagram

yes, mixing processes , structures. class diagram structure diagram, no processes shown here, mere dependencies. can use dependency <i> instantiating, means 1 class needs other , for. yes, bit processes, class diagram structures.

cooperation of android components (activities, services, etc.) should shown component diagram, not class diagram. there can draw, messages sent, call whom , on. class diagram more thorough analysis. can use classes in component diagram, too. don't forget show, component class belongs, have forgotten here. use nesting/containment relationship this.

and on arrows activities use word "click". aren't trying describe ui here? 1 more diagram. there no standard diagram ui planning, advice use of class diagram elements it. not class diagram, ui diagram, uses class diagram elements.

as class diagram:

you can draw dependencies activities service. such info, starts, stops , on, on notes in class diagram, or, if not absolutely necessary, move activity diagram.

on association helperclass - classservice multiplication on target side should 0..1. service not there, it?

launcher bad stereotype. better give name launcher class , if think doesn't explain situation, anchor note it.

relationships of activities classes not defined.

so, seems, have tried put 4 diagrams in one. never work. divide them or @ least, clean 1 you've chosen. , if choosing, 1 diagram do, choose component 1 - common , useful.

edit: how show class included in component - 2 ways. can include class component , can connect them nesting relationship. both ways equivalent in content sense.

enter image description here


Comments

Post a Comment

Popular posts from this blog

python - Subclassed QStyledItemDelegate ignores Stylesheet -

-
i'm trying subclass qstyleditemdelegate remove focus rectangle in qcombobox . even though i'm calling base implementation of paint function , nothing else, result different. looks if parts of style-sheet influence bounding box of item taken consideration. class pstyleditemdelegate(qstyleditemdelegate): def __init__(self, *args, **kwds): super(pstyleditemdelegate, self).__init__(*args, **kwds) def paint(self, *args, **kwargs): qstyleditemdelegate.paint(*args, **kwargs) what have paint unmodified qstyleditemdelegate ? as suggested tried replacing pyside pyqt4 , works, appears bug. update pyside 1.1.2 1.2.1 result same. unfortunately switch breaks other parts of code, if there no other suggestions i'm going accept answer. edit bug tracked here
Read more

java - HttpClient 3.1 Connection pooling vs HttpClient 4.3.2 -

-
i have used httpclient3.1(java) connection pooling below : import org.apache.commons.httpclient.httpclient; import org.apache.commons.httpclient.multithreadedhttpconnectionmanager; import org.apache.commons.httpclient.params.httpclientparams; import org.apache.commons.httpclient.params.httpmethodparams; import org.apache.log4j.logger; public class httpclientmanager { private static logger logger = logger.getlogger(httpclientmanager.class); private static multithreadedhttpconnectionmanager connectionmanager = new multithreadedhttpconnectionmanager(); private static httpclientparams clientparams = new httpclientparams(); static { try { clientparams.makelenient(); clientparams.setauthenticationpreemptive(false); clientparams.setparameter(httpmethodparams.so_timeout, new integer(30000)); // set so_timeout clientparams.setparameter(httpmethodparams.head_body_check_timeout, new integer(3000)); // head responses ...
Read more

node.js - StackOverflow API not returning JSON -

-
i using node.js script gather data stackoverflow. know responses gzipped, put code in should take care of that. script follows: var request = require('request'); var zlib = require('zlib'); function getstackoverflowresponse(url, callback){ request(url, {encoding: null}, function(err, response, body){ if(response.headers['content-encoding'] == 'gzip'){ zlib.gunzip(body, function(err, dezipped) { callback(dezipped); }); } else { callback(body); } }); } var url = "https://api.stackexchange.com/docs/questions#pagesize=2&order=desc&min=2014-01-04&max=2014-02-02&sort=activity&tagged=apigee&filter=default&site=stackoverflow&run=true"; getstackoverflowresponse(url, function(questions) { console.log(questions); }); instead of getting json output, i'm getting following response: buffer 0d 0a 0d 0a 0d 0a 0d 0a 3c 21 44 4f 43 54 59 50 45 20 48...
Read more