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0
votes
2answers
362 views

Android Design - Service vs Thread for Networking

I am writing an Android app, finally (yay me) and for this app I need persistant, but user closeable, network sockets (yes, more than one). I decided to try my hand at writing my own version of an ...
1
vote
2answers
432 views

Activity diagram, can merge node have more than 1 output?

There is a simple system, that allows users to do 4 things: ADD, EDIT, DELETE, PRINT data. I am due to model it (I'm entirely new to UML activity diagrams) and from notation, I dont understand ...
2
votes
2answers
2k views

how to express alternative flows in activity diagram

I want to express the below events in an activity diagram: An alternative flow, such as "at step x of basic flow, user clicks cancel instead of ok". An alternative entry to the use case, such as ...
2
votes
3answers
1k views

Do activity diagrams always end in one endpoint?

For example an activity diagram for a simple program: Get User data. If User Exists DO something, ELSE do nothing. End. I often see diagrams with multiple endpoints but also with just one. Should ...
0
votes
0answers
44 views

How to model an optional input to an activity?

I am constructing a UML 2.0 activity diagram. The activity is to evaluate data from a usability study of a prototype. It can optionally end with just getting the user satisfaction results. But if the ...
0
votes
0answers
316 views

Problem combining SlidingMenu and ExpandableListView

As said i'm trying to combine SlidingMenu (https://github.com/jfeinstein10/SlidingMenu) with an ExpandableListView, but i'm having an issue that i don't know how to fix, so i'm hoping some one here ...
0
votes
1answer
76 views

Is it good approach to open a keyboard at Actvity start where only one EditTextbox is present [closed]

I am working with Forgot password, where I have single EditTextBox and a single submit button. So whenever I am opening this Forgot password page, my keyboard is opened at the start of this page. In ...
1
vote
0answers
105 views

UML activity diagram: How to end activity after Event Signal Action?

To my knowledge, event signal actions are not allowed to have output control flow, so how can I model the end of an activity after a event signal action? The same issue arises for accept event actions ...
0
votes
1answer
311 views

How to construct UML activity diagram reflecting real programmed source code as docs

Please, tell me the things I must use for modeling an (Enterprise Architect) activity diagram of object1.method1() calls object2.method2() I'm able to dragndrop a method of a class from model ...
3
votes
2answers
237 views

Empirical study on activity distribution of a programmer? [closed]

I am searching for some charts, tables and other empirical evidence on how a typical programmer's activities are distributed (per day, per project, etc). Example activities are programming, phone ...
18
votes
9answers
3k views

What are some games involving recursion? [closed]

I need to introduce a group of 5-15 people to recursion and I would like to do so by using a physical game/dance/activity they can play to get a feeling for recursion. The class is not so much focused ...
3
votes
2answers
595 views

Adding more responsibilities to Activities in a flexible way

I am considering how I can add tasks to Android Activities in a flexible way. I can only use implementation inheritance for one thing in Java and I would like to use it, if I use it at all, for ...