Ios 使用NSArray中的UIButtons自动填充滚动视图

我需要填充一个视图，使其成为UIButtons中NSArray对象的内容，如果按钮的数量不适合滚动视图。例如，如果array.count为25，并且只适合20个按钮、4列5行，则剩余的5个按钮将通过滚动显示

我目前正在测试它，以便：

    UIScrollView *sv = [[UIScrollView alloc] initWithFrame:CGRectMake(20, 20, 728, 984)];
    sv.backgroundColor = [UIColor greenColor];
    sv.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
sv.contentSize = CGSizeMake(PAGE_WIDTH, sv.frame.size.height);
sv.pagingEnabled = YES;
[self.view addSubview:sv]; // assuming a view controller

    NSMutableArray *freeHoursList = [NSMutableArray arrayWithObjects:
                                     [NSString stringWithFormat:@"10"],
                                     [NSString stringWithFormat:@"11"],
                                     [NSString stringWithFormat:@"12"],
                                     [NSString stringWithFormat:@"17"],
                                     [NSString stringWithFormat:@"18"],
                                     [NSString stringWithFormat:@"19"],
                                     [NSString stringWithFormat:@"10"],
                                     [NSString stringWithFormat:@"11"],
                                     [NSString stringWithFormat:@"12"],
                                     [NSString stringWithFormat:@"17"],
                                     [NSString stringWithFormat:@"18"],
                                     [NSString stringWithFormat:@"19"],nil];
for (int i = 0; i < freeHoursList.count; i++)
{
UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    btn.backgroundColor = [UIColor redColor];
btn.frame = CGRectMake(i * (BUTTON_WIDTH + BUTTON_PADDING), 10, BUTTON_WIDTH, BUTTON_HEIGHT);
btn.tag = i + MAGIC_BUTTON_TAG_OFFSET; // to relate to the array index
    NSString *numero = [freeHoursList objectAtIndex:i];
[btn setTitle:[NSString stringWithFormat:@"%@",numero]  forState:UIControlStateNormal];
//[btn addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
[sv addSubview:btn];

}

UIScrollView*sv=[UIScrollView alloc]initWithFrame:CGRectMake（20,20728984）]；
sv.backgroundColor=[UIColor greenColor]；
sv.autoresizingMask=uiviewsautoresizingflexiblewidth | uiviewsautoresizingflexiblewhight；
sv.contentSize=CGSizeMake（页面宽度，sv.frame.size.height）；
sv.PaginEnabled=是；
[self.view addSubview:sv]；//假设一个视图控制器
NSMutableArray*freeHoursList=[NSMutableArray arrayWithObjects:
[NSString stringWithFormat:@“10”]，
[NSString stringWithFormat:@“11”]，
[NSString stringWithFormat:@“12”]，
[NSString stringWithFormat:@“17”]，
[NSString stringWithFormat:@“18”]，
[NSString stringWithFormat:@“19”]，
[NSString stringWithFormat:@“10”]，
[NSString stringWithFormat:@“11”]，
[NSString stringWithFormat:@“12”]，
[NSString stringWithFormat:@“17”]，
[NSString stringWithFormat:@“18”]，
[NSString stringWithFormat:@“19”]，无]；
对于（int i=0；i

这就是我得到的：

---

我会添加跟踪实际Y位置和实际列的变量。因此，您将检查“下一步”按钮是否适合滚动的宽度，如果其未设置列为0，则将X添加到按钮Y的位置。看起来是这样的：

int BUTTON_Y = 10;
int column = 0;
for (int i = 0; i < freeHoursList.count; i++, column++)
{       
    if(column*(BUTTON_WIDTH + BUTTON_PADDING) + BUTTON_WIDTH > sv.contentSize.width) {
        BUTTON_Y += BUTTON_HEIGHT;
        column = 0;
    }

    UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
        btn.backgroundColor = [UIColor redColor];   
    btn.frame = CGRectMake(column * (BUTTON_WIDTH + BUTTON_PADDING), BUTTON_Y, BUTTON_WIDTH, BUTTON_HEIGHT);
    btn.tag = column + MAGIC_BUTTON_TAG_OFFSET; // to relate to the array index
        NSString *numero = [freeHoursList objectAtIndex:i];
    [btn setTitle:[NSString stringWithFormat:@"%@",numero]  forState:UIControlStateNormal];
    //[btn addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
    [sv addSubview:btn];
}

int按钮_Y=10；
int列=0；
对于（int i=0；isv.contentSize.WIDTH）{
按钮Y+=按钮高度；
列=0；
}
UIButton*btn=[UIButton Button类型为：UIButtonyPeroundRect]；
btn.backgroundColor=[UIColor redColor]；
btn.frame=CGRectMake（列*（按钮宽度+按钮填充）、按钮Y、按钮宽度、按钮高度）；
btn.tag=column+MAGIC_BUTTON_tag_OFFSET；//与数组索引相关
NSString*numero=[freehurslistobjectatindex:i]；
[btn setTitle:[NSString stringWithFormat:@“%@”，数字]用于状态：UIControlStateNormal]；
//[btn addTarget:self action:@selector（按钮按下：）for ControlEvents:UIControlEventTouchUpInside]；
[sv添加子视图：btn]；
}

谢谢你的回答，但现在我有6列按钮，但在最后一列的右边有另外两个按钮。那么你到底想要什么？你现在有什么？对不起，我想这是因为宽度和高度的值​​已定义…是的，它将根据按钮和按钮填充跳到下一行：）