What do you need to know about uiscrollview?

In this UIScrollView tutorial, you’ll create an app similar to the default iOS Photos app and learn all about UIScrollView. You’ll learn how to: Use UIScrollView to zoom and view a very large image.
Accordingly, how does auto layout work in UIScrollView?
Note: In general, Auto Layout considers the top, left, bottom and right edges of a view to be the visible edges. However, UIScrollView scrolls its content by changing the origin of its bounds. To make this work with Auto Layout, the edges within a scroll view actually refer to the edges of its Content view.
Also, what's the purpose of Scroll View in iOS? In iOS, scroll views are used to view content that won’t fit entirely on the screen. Scroll views have two main purposes: A common control used in iOS apps – UITableView – is a subclass of UIScrollView and provides a great way to view content that is larger than the screen.
Keeping this in consideration, how does the zoom scale work in UIScrollView?
The scroll view calls this method to determine which of its subviews to scale when the user pinches the image. Here, you tell it to scale imageView. This method calculates the zoom scale for the scroll view. A zoom scale of 1 indicates that the content displays at its normal size.
Likewise, how to use UIScrollView in a storyboard?
Use UIScrollView for vertical scrolling with Auto Layout. Prevent the keyboard from hiding text input components. Use UIPageViewController to allow scrolling through multiple pages of content. This tutorial assumes you understand how to use Interface Builder to add objects and connect outlets between your code and storyboard scenes.

6 Similar Question Found

Is it ok to embed uiwebview in uiscrollview?

You should not embed UIWebView or UITableView objects in UIScrollView objects. If you do so, unexpected behavior can result because touch events for the two objects can be mixed up and wrongly handled. You can easily debug the HTML, CSS, and JavaScript contained inside a UIWebView with Web Inspector.

What is the purpose of a uiscrollview object?

The central notion of a UIScrollView object (or, simply, a scroll view) is that it is a view whose origin is adjustable over the content view. It clips the content to its frame, which generally (but not necessarily) coincides with that of the application’s main window.

When is layoutsubviews called in the uiscrollview?

Note specifically that is why layoutSubviews: is called whenever a UIScrollView scrolls, as it performs the scrolling by changing its bounds' origin. Changing the frame will only change the bounds if the size has changed, as this is the only thing propagated to the bounds property.

What is the problem with the content size of uiscrollview in android?

The Interface builder is now complaining about the content size of UIScrollView which is pretty inconvenient if you want to insert items to UIStackView during the application runtime. If you change the bottom constraint to greater than or equal it won't help. You have two options depending on the use case.

What's the difference between a uitextview and a uiscrollview?

Unlike its name, a UITextView is not just a text view. You can edit it, type in it, scroll it. A UITextView is a multiline text region. It has a built-in UIScrollView. By default a UITextView is editable. To disabled editing you need to set the property isEditable as false.

Is there a way to change content size of uiscrollview?

The Interface builder is now complaining about the content size of UIScrollView which is pretty inconvenient if you want to insert items to UIStackView during the application runtime. If you change the bottom constraint to greater than or equal it won't help. You have two options depending on the use case.