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[Solved] unity IAP - why prefix product ID with app bundle name ?

Discussion in 'Unity IAP' started by elenzil, Jun 21, 2017.

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  1. elenzil

    elenzil

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    the examples for Unity IAP show product IDs like "com.mycompany.myapp01.100Gold".

    why prefix it that way ?
    why not just "100Gold", or at most "myapp01.100Gold" ?

    tia,
    Orion
     
    elenzil, Jun 21, 2017
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  2. ap-unity

    ap-unity

    Unity Technologies

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    @elenzil

    The product ids can be any arbitrary string containing alphanumeric, underscore and period characters. Adding the bundle name to the product id is just a convention. One that Apple has recommended in the past:

    https://developer.apple.com/library/content/qa/qa1329/_index.html
     
    ap-unity, Jun 21, 2017
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  3. elenzil

    elenzil

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    got it, thanks.
     
    elenzil, Jun 22, 2017
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  4. elenzil

    elenzil

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    ah, in Unity's docs about validating receipts there's also this:

    The application bundle identifier on the receipt is compared to the one in your application. An InvalidBundleId exception is thrown if they do not match.​

    but i suspect that might only apply if you're doing local receipt validation.
     
    elenzil, Jun 22, 2017
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  5. ap-unity

    ap-unity

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    Yeah, that is correct.

    However, even then, the CrossPlatformValidator does not check the product id with the bundle id, so you can still make the product id whatever you want.
     
    ap-unity, Jun 22, 2017
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  6. elenzil

    elenzil

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    I think i've found a more solid reason.
    Apple won't let you share a single ProductID in more than one app (on your developer account).
    So if you use "MyThing001" in app 1, you can not also have "MyThing001" in app 2.

    you'll get this error `The product ID you entered has already been used. Enter a unique product ID and try again.`
     
    elenzil, Jun 29, 2017
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    DeathPro, Dennis_eA, Menion-Leah and 3 others like this.
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