iOS 跳转App Store进行评分

iOS 跳转App Store进行评分

1.前言

遭遇4.2.2把我逼得没办法了，啥功能都怼上去了

2.实现

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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