I m 明确提到在申请采购。
能否发现SOS申请的购买日期?
我愿奖励早期购买者。 给早期用户(发射器)not 前进的道路。 例如,我要奖励在Jan 1st和Jan 31st之间购买游戏的人,甚至奖励在Feb 28上首次发射的客户。
想法?
只是为了更新这一点,它才有可能做到。 探讨这一问题的答案——收货的一个领域是“原始购买日期”。 还有一个来自WWDC13的录像/介绍,讨论这个问题:“保护你的数字销售”。
我几乎是肯定的。
HOWEVER 你可以储存其首次“发射”申请的日期,然后是你想要的。
if ([[[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] containsObject:@"firstLaunch"]) {
[[NSUserDefaults standardUserDefaults] setObject:[NSDate date] forKey:@"firstLaunch"];
}
NSDate *firstLaunch = [[NSUserDefaults standardUserDefaults] objectForKey:@"firstLaunch"];
if (firstLaunch < Cutoff) {
// Do Something
}
Unfortunately it is not possible.
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