This question was closed Oct 04, 2015 at 10:23 PM by meat5000 for the following reason:

Question is off-topic or not relevant

General design, not Unity 3D specific.

Question by Hathakas · Oct 02, 2015 at 12:52 PM · authentication password

Childrens app. Ask math question before purchase

Hey all,

How do I go about setting a childproof authentication for the parent. I want the parent to use the in app purchase for their child (ages 3-5), but I don't want the toddler to accidentally press the purchase button.

I just need something to make sure it's the parent that clicked the purchase button, by having them solve a simple math problem like 3 + 9 or 4 * 8.

I want it to be super simple, for the parent. So a question comes up, they get like 5-10 possible answers, and they have to pick one.

Thanks a lot!

Add comment · Show 4

KwahuNashoba · Oct 02, 2015 at 01:01 PM 3

I think it's better to make them write down the answer. That way, you'll eli$$anonymous$$ate possibility of accidentally clicking correct answer. Also, consider making the result with two digits at least to lower down posibility of answering correct accidentally

Bunny83 · Oct 02, 2015 at 02:24 PM 1

I'm with @$$anonymous$$wahuNashoba. That would have been my exact recommendations ^^. To simplify the input you might want to provide a custom 3x3 + 0 number grid as keyboard and not relying on the native keyboard which always takes a while to switch to.

However if you want to use the native keyboard, make sure you open it manually with either NumberPad or NumbersAndPunctuation type.

As for the math problem i would implement different constraints for the two parameters based on the operation

 // [$$anonymous$$, max]
 // multiplication
 A = [2,6] // 5 different values
 B = [5,9] // 5 different values
 
 // addition
 A = [5,50] // 45 different values
 B = [5,20] // 15 different values
 
 // subtraction
 A = [35,50] // 15 different values
 B = [3,25]  // 22 different values

That way the equations shouldn't be too difficult and they always result in a 2 digit answer. You also might want to implement a cooldown when a wrong answer is given ^^.

Hathakas Bunny83 · Oct 02, 2015 at 03:03 PM 0

Thanks for the reply!

I'm going to give it a shot now and see how it turns out lol. I don't think I want to use the native keyboard, so I'm assu$$anonymous$$g I would just make one using ui, and assign them each an Int? I'll update you if I run into any issues.

Thanks again :)

Hathakas Bunny83 · Oct 04, 2015 at 10:18 PM 0

lol to be honest, this is for toddlers, they won't know 1+1 haha, I'm thinking maybe I should just have like a 5-tap system.

Like tap button 5 times within 6 seconds for the menu to open.