UIKit User Interface Catalog: View

Layout and Tagging

image: ../Art/uiview_attributes_inspector_group-layout_tagging.pdf

Mode

How the view presents its content when the view size changes.


Selection	Method	Argument
Scale to Fill	`contentMode`	`UIViewContentModeScaleToFill`
Aspect Fit	`contentMode`	`UIViewContentModeScaleAspectFit`
Aspect Fill	`contentMode`	`UIViewContentModeScaleAspectFill`
Redraw	`contentMode`	`UIViewContentModeRedraw`
Center	`contentMode`	`UIViewContentModeCenter`
Top	`contentMode`	`UIViewContentModeTop`
Bottom	`contentMode`	`UIViewContentModeBottom`
Left	`contentMode`	`UIViewContentModeLeft`
Right	`contentMode`	`UIViewContentModeRight`
Top Left	`contentMode`	`UIViewContentModeTopLeft`
Top Right	`contentMode`	`UIViewContentModeTopRight`
Bottom Left	`contentMode`	`UIViewContentModeBottomLeft`
Bottom Right	`contentMode`	`UIViewContentModeBottomRight`

Tag

The view tag.

Access: tag.

Events

Interaction

User Interaction Enabled

Whether the view processes touch and keyboard events.


Selection	Method	Argument
Unselected	`userInteractionEnabled`	`NO`
Selected	`userInteractionEnabled`	`YES`

Multiple Touch

Whether the view processes multiple touch events.


Selection	Method	Argument
Unselected	`multipleTouchEnabled`	`NO`
Selected	`multipleTouchEnabled`	`YES`

Appearance

Alpha

The view transparency.

The range of values is from 0.0 and 1.0:

0.0 makes the view completely transparent.
1.0 makes the view completely opaque.

Access: alpha.

Background

The view background color.

Access: backgroundColor.

Drawing and Sizing

image: ../Art/uiview_attributes_inspector_group-drawing_sizing.pdf

Autoresize Subviews

Whether the view resizes subviews when the view size changes.

If the view alpha value (alpha) is 1.0, drawing performance can be improved by indicating that the view is opaque.


Selection	Method	Argument
Unselected	`autoresizesSubviews`	`NO`
Selected	`autoresizesSubviews`	`YES`

Drawing

Opaque

Whether the drawing system treats the view as opaque.


Selection	Method	Argument
Unselected	`opaque`	`NO`
Selected	`opaque`	`YES`

Hidden

Whether the view is hidden.


Selection	Method	Argument
Unselected	`hidden`	`NO`
Selected	`hidden`	`YES`

Clears Graphics Context

Whether the view clears its bounds before drawing.


Selection	Method	Argument
Unselected	`clearsContextBeforeDrawing`	`NO`
Selected	`clearsContextBeforeDrawing`	`YES`

Clip Subviews

Whether subviews are clipped to the view bounds.

If the view alpha value (alpha) is 1.0, drawing performance can be improved by indicating that the view is opaque.


Selection	Method	Argument
Unselected	`clipsToBounds`	`NO`
Selected	`clipsToBounds`	`YES`

Sizing

Stretching

The rectangle that identifies stretchable area of the view.

The values for the rectangle specifiers (X, Y, Width, and Height) are in the range 0.0 to 1.0. For example, to make only half of the view stretchable, specify the rectangle (0.0, 0.0, 0.5, 1.0).

Access: contentStretch.

View

View Attributes Inspector Reference