Thank you. Solved and implemented. 

Eric

> On Oct 16, 2013, at 1:09 PM, Marco Tabini <mtab...@me.com> wrote:
> 
> 
>> On Oct 16, 2013, at 12:48 PM, Eric E. Dolecki <edole...@gmail.com> wrote:
>> 
>> I've been asked to make a tableview with 8 rows. Each row has a UISwitch.
>> Based on a combination of switch values, the result would be a different
>> image displayed to the right of the table (this is for iPad).
>> 
>> How would I best go about covering all of those combinations?
>> 
>> When one switch changes I'll check it's on/off state and then run some
>> evaluation method based on the values for all of the switches. How do I do
>> that without getting too ugly about it?
> 
> There are a bunch of ways to handle this—for example, you can assign each 
> switch a power-of-two value based on their index in the tableview's data 
> source, and then add the ones that are on together; this will give you a 
> separate number for each possible combination, which you can then use as the 
> name of the corresponding image (0.png, 1.png … 255.png).

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