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Hi everyone, we have a multiplayer online game building upon game center and we are using the game center functionality for the matchmaking of groups (2 to 4 players). This works fine for a game based on WLAN or bluetooth communication: one player hosts a game, the others see it in their list and join it. But for online games across the internet it gets difficult to create a solution that is useable from an UX perspective: You can create a group and use the game center screen to add other players to the game, BUT:users do not understand, that they need to invite specific players using the "invite Friends" button, before they press "Play Now"users are not aware of the fact, that "Play Now" implicitly means they are matched with random playersusers do not understand, that if they want to play with less than four players, they need to click on the "4 players" option to change thatusers do not understand, that if they want to invite several people, they need to invite them all at once and not one by onethe i-message invitations are correctly displayed on some devices, but do not work on other devices. We would have liked to build our own UI using Game Center in the backend, but there seems to be no API call to create the invitations without using the Game Center UI. Our next try will now to require users to be game Center friends first before they can play together in an online game (it seems like matching existing friends is possible using the API only and thus with your own GUI). But this means an additional step outside the app for people to play the game. Any ideas how to approach this differently? I searched for Game Center based games in the app store to see what they do - but none of them seems to be using game center to create online groups with specific friends to play a game. Is Game Center just not the right choice for this? Thanks for your help
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by schenkeli.
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Hi, I was looking for a service to easily distribute redeem codes for both android and iOS and was pointed towards https://redeemco.com/index.php which kind of like does what I'm looking for - but it seems to be not really used any more. Their homepage was last updated 2016, if I try to contact them I get no response and the company providing the service doesn't actively promote it. So does anyone know an alternative that can be used to indirectly distribute promo codes fo Android and iOS apps to users? Thanks,Thomas
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)I have the following scenario: we have an app that users need to pay for. But we also want to sell the app bundled with a book meaning there is a code / voucher in the book that can be used to use the app for free. Unfortunately we haven't found any good way to address this scenario yet:a) make the app a paid app and use Apple Promo Codes for the books - not good, because the number of promo codes per app and version is limited. And altough Ihaven't found anything about this I would guess that apple limits the commercial use of promo codes.b) make the app itself free but require users to make an in-app purchase to access most of the content. Alternatively make it possible to enter a code to access that same content. The code comes with the book and is created and maintained by us. negatives: a lot of effort to maintain the promo codes and handle the in-app purchases. This seems to be okay from a terms-and-conditions point of view since "3.1.3(a) “Reader” Apps" of the app-store review guidelines allows the usage of voucers to access content bought outside of the IAP (compare https://forums.developer.apple.com/message/157920#157920I'm really wondering: are we the first one with this need? is there maybe already a solution to this problem we are not aware of? We do not want to rip Apple of their 30% share of app sales. But there doesn't seem to be a supported solution for this.any ideas? thanksThomas
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by schenkeli.
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