The frame height doesn't adjust after layoutIfNeeded about fmtagsview HOT 6 CLOSED

Can you show me your full code？
I have updated the demo code，in file of CustomerViewController.m，but did not encounter the problem you said.

My english is poor, I do't know if you can understand what I said.

from fmtagsview.

your english is fine, don't worry!

My problem is that I need to resize the frame after I draw the tags because I don't know the number of tags and probably is more or less than the initial given size (in your example the height is 190). I programmatically put the tagView in a scrollView and after drawing the tagView, the height is too much and it doesn't resize.

This is what happens:

how can I make the view resize after I draw it and fit the real used height?

Thank you

from fmtagsview.

It's my control's bug. You must set the tagsView with the correct width.

- (FMTagsView *)createTagsViewWithDataSrouse:(NSArray *)dataSource borderColor:(UIColor *)borderColor {
    CGFloat screenWidth = [UIScreen mainScreen].bounds.size.width;
    CGFloat padding = 15;
    //must set the correct width
    FMTagsView *tagsView = [[FMTagsView alloc] initWithFrame:CGRectMake(0, 0, screenWidth - padding * 2, 180)];
    tagsView.backgroundColor = [UIColor whiteColor];
    tagsView.delegate = self;
    tagsView.contentInsets = UIEdgeInsetsMake(10, 10, 10, 10);
    tagsView.tagcornerRadius = 0;
    tagsView.layer.borderColor = borderColor.CGColor;
    tagsView.layer.borderWidth = 1;
    tagsView.tagsArray = dataSource;
    
    return tagsView;
}

The code has been updated， wish to help you.

from fmtagsview.

so basically the magic happens because of the Costraints part. I commented a piece of your code and this is what I had already reported at the beginning:

The tagview height is exactly 180 like configured at the beginning.
Is there any way to set the constraints dynamically?? I'm working with dynamic zones and I don't have label1, label2, label3.. Sorry but I'm very new to objective c and constraints are still really hard to understand.

What if I didn't use constraints? how can I resize the view without those?

from fmtagsview.

Becasue the scrollview's contentSize is determined by its internal subviews, in my code, the scrollContentView's size is determined by its subviews, and the scrollView's contentSize is determined by the scrollCotentView.

[self.scrollContentView mas_makeConstraints:^(MASConstraintMaker *make){
        make.bottom.equalTo(self.tagsView3.mas_bottom).offset(10);
    }];

I have add a new method called changeDataSource in my latest code, this change the tagsview's height dynamically, As shown below:

I recommend you some information to learn Autolayout:

1. Using UIScrollView with Auto Layout in iOS
2. AutolayoutExampleWithMasonry
3. Beginning Auto Layout Tutorial in iOS 7: Part 1
4. Beginning Auto Layout Tutorial in iOS 7: Part 2

from fmtagsview.

thank you so much for your help! since I dynamically created the views, I ended up doing something as simple as this:

`for (int x =0;x<arrayView.count;x++) {

                            if (x-1>=0) {

                                UIView *previousView = arrayView[(NSUInteger) (x-1)];
                                UIView *currentView = arrayView[(NSUInteger) (x)];
                                [currentView mas_makeConstraints:^(MASConstraintMaker *make){
                                    make.top.equalTo(previousView.mas_bottom).offset(15);
                                    make.left.equalTo(previousView);
                                }];
                            }

                        }`

not sure if there is any better way to achieve this, but this is good as a beginning!

from fmtagsview.