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遭遇4.2.2把我逼得没办法了，啥功能都怼上去了
在 viewdidload 或者 viewwillappear 中判断是否需要显示评分，因为SKStoreReviewController 一年最多三次，所以我就无耻点相隔四个月调用一次
NSDate *oldTime = [[NSUserDefaults standardUserDefaults]objectForKey:@"storeStarTime"];
if (oldTime) {
//利用NSCalendar比较日期的差异
NSCalendar *calendar = [NSCalendar currentCalendar];
NSCalendarUnit unit = NSCalendarUnitMonth;//只比较月数差异
//比较的结果是NSDateComponents类对象
NSDateComponents *delta = [calendar components:unit fromDate:oldTime toDate:[NSDate date] options:0];
if (delta.month >= 4) {
[self showStore];
}
}else{
[[NSUserDefaults standardUserDefaults]setObject:[NSDate date] forKey:@"storeStarTime"];
}
唤起评分页
-(void)showStore{
if (@available(iOS 10.3, *)) {
if([SKStoreReviewController respondsToSelector:@selector(requestReview)]) {// iOS 10.3 以上支持
//防止键盘遮挡
[[UIApplication sharedApplication].keyWindow endEditing:YES];
[SKStoreReviewController requestReview];
}else{
NSString * nsStringToOpen = [NSString stringWithFormat: @"itms-apps://itunes.apple.com/app/id%@?action=write-review",@"1573880428"];//替换为对应的APPID
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:nsStringToOpen] options:@{} completionHandler:^(BOOL success) {
}];
}
} else {
NSString * nsStringToOpen = [NSString stringWithFormat: @"itms-apps://itunes.apple.com/app/id%@?action=write-review",@"1573880428"];//替换为对应的APPID
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:nsStringToOpen] options:@{} completionHandler:^(BOOL success) {
}];
}
[[NSUserDefaults standardUserDefaults]setObject:[NSDate date] forKey:@"storeStarTime"];
}
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