If you want to make a custom configuration, you can inherit the base class UIView.
The map app needs to touch multiple touch more.
Opaque non-transparent
Hidden hidden, such as the download of the progress bar, if downloaded, you can set this property to make the progress bar disappear
Clears graphics context If a view needs to update the content, you can check this property by clearing the previous content
Clip Subview truncate the child view boundary if the child view of a view is a button, but this button exceeds the bounds of the view, you can truncate the extra portion of the button's sub-view by checking this property.
AutoResize subview child View Auto Size
If you need to change the appearance at once, you can change it in the Appearance method, and if you just change the appearance, you can use the Appearancewhencontainedln method
Constraint constraints
Wavelet said Swift third season building UI component set for Swift UI-View Set (i) View commonalities learning notes