crossmobile.ios.uikit

Class NSLayoutConstraint

java.lang.Object

crossmobile.ios.foundation.NSObject

crossmobile.ios.uikit.NSLayoutConstraint

public class NSLayoutConstraint
extends NSObject

NSLayoutConstraint class defines an object that represents the relationship that should be satisfied concerning two layout attributes in a constraint based layout system.

Method Summary

Modifier and Type	Method and Description
static void	activateConstraints(List<NSLayoutConstraint> constraints) Activates all the constraints of the specified list.
double	constant() Returns the constant that is added to the multiplied second attribute of the constraint.
static List<NSLayoutConstraint>	constraintsWithVisualFormat(String format, int NSLayoutFormatOptions, Map<String,Float> metrics, Map<String,UIView> views) Creates and returns a list of constraints using the specified ASCII visual format string.
static NSLayoutConstraint	constraintWithItem(Object view1, int NSLayoutAttribute1, int NSLayoutRelation, Object view2, int NSLayoutAttribute2, double multiplier, double constant) Constructs and returns a constraint for the attributes of the specified views.
static void	deactivateConstraints(List<NSLayoutConstraint> constraints) Deactivates all the constraints of the specified list.
int	firstAttribute() Returns the attribute of the first object of the constraint.
Object	firstItem() Returns the first object of the constraint.
String	identifier() Returns the id of this NSLayoutConstraint.
boolean	isActive() Returns the state of this constraint.
double	multiplier() Returns the multiplier of the second attribute of the constraint.
float	priority() Returns the priority of the constraint.
int	relation() Returns the relation between the items of the constraint.
int	secondAttribute() Returns the second attribute of the constraint.
Object	secondItem() Returns the second item of the constraint.
void	setActive(boolean active) Sets the state of this constraint.
void	setConstant(double constant) Sets the constant that is added to the multiplied second attribute of the constraint.
void	setIdentifier(String identifier) Set the id of this NSLayoutConstraint.
void	setPriority(float UILayoutPriority) Sets the priority of the constraint.
void	setShouldBeArchived(boolean shouldBeArchived) Set a Boolean that defines whether this NSLayoutConstraint should be archived by its owning view.
boolean	shouldBeArchived() Returns a Boolean that shows whether this NSLayoutConstraint is archived by its owning view.
String	toString()

Methods inherited from class crossmobile.ios.foundation.NSObject

addObserver, observeValueForKeyPath, performSelector, performSelectorOnMainThread, release, removeObserver, removeObserver, retain, setValueForKey, setValueForUndefinedKey, valueForKey, valueForUndefinedKey

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

constraintsWithVisualFormat

public static List<NSLayoutConstraint> constraintsWithVisualFormat(String format,
                                                                   int NSLayoutFormatOptions,
                                                                   Map<String,Float> metrics,
                                                                   Map<String,UIView> views)

Creates and returns a list of constraints using the specified ASCII visual format string.

Parameters:

format - The specification of the constraints.

NSLayoutFormatOptions - The NSLayoutFormat options of the objects.

metrics - The constants of the visual format string.

views - The views of the visual format string.

Returns:

The resulting list of the constraints.

See Also:

NSLayoutFormatOptions

constraintWithItem

public static NSLayoutConstraint constraintWithItem(Object view1,
                                                    int NSLayoutAttribute1,
                                                    int NSLayoutRelation,
                                                    Object view2,
                                                    int NSLayoutAttribute2,
                                                    double multiplier,
                                                    double constant)

Constructs and returns a constraint for the attributes of the specified views.

Parameters:

view1 - The view of the left side of the constraint.

NSLayoutAttribute1 - The attribute of the view for the left side of the constraint.

NSLayoutRelation - The relationship between the two sides of the constraint.

view2 - The view of the right side of the constraint.

NSLayoutAttribute2 - The attribute of the view for the right side of the constraint.

multiplier - The multiplier of the attribute on the right side of the constraint.

constant - The constant added to the multiplied attribute value on the right side of the constraint.

Returns:

The resulting constraint object.

activateConstraints

public static void activateConstraints(List<NSLayoutConstraint> constraints)

Activates all the constraints of the specified list.

Parameters:

constraints - The list of constraints that should be activated.

deactivateConstraints

public static void deactivateConstraints(List<NSLayoutConstraint> constraints)

Deactivates all the constraints of the specified list.

Parameters:

constraints - The list of constraints that should be deactivated.

isActive

public boolean isActive()

Returns the state of this constraint.

Returns:

TRUE then the constraint is active.

setActive

public void setActive(boolean active)

Sets the state of this constraint.

Parameters:

active - TRUE then the constraint is active.

priority

public float priority()

Returns the priority of the constraint.

Returns:

The priority of the constraint.

See Also:

UILayoutPriority

setPriority

public void setPriority(float UILayoutPriority)

Sets the priority of the constraint.

Parameters:

UILayoutPriority - The priority of the constraint.

See Also:

UILayoutPriority

firstItem

public Object firstItem()

Returns the first object of the constraint.

Returns:

The first object of the constraint.

firstAttribute

public int firstAttribute()

Returns the attribute of the first object of the constraint.

Returns:

The attribute of the first object of the constraint.

relation

public int relation()

Returns the relation between the items of the constraint.

Returns:

The relation between the items of the constraint.

secondItem

public Object secondItem()

Returns the second item of the constraint.

Returns:

The second item of the constraint.

secondAttribute

public int secondAttribute()

Returns the second attribute of the constraint.

Returns:

The second attribute of the constraint.

multiplier

public double multiplier()

Returns the multiplier of the second attribute of the constraint.

Returns:

The multiplier of the second attribute of the constraint.

constant

public double constant()

Returns the constant that is added to the multiplied second attribute of the constraint.

Returns:

The constant that is added to the multiplied second attribute of the constraint.

setConstant

public void setConstant(double constant)

Sets the constant that is added to the multiplied second attribute of the constraint.

Parameters:

constant - The constant that is added to the multiplied second attribute of the constraint.

identifier

public String identifier()

Returns the id of this NSLayoutConstraint.

Returns:

The id of this NSLayoutConstraint.

setIdentifier

public void setIdentifier(String identifier)

Set the id of this NSLayoutConstraint.

Parameters:

identifier - The id of this NSLayoutConstraint.

shouldBeArchived

public boolean shouldBeArchived()

Returns a Boolean that shows whether this NSLayoutConstraint is archived by its owning view.

Returns:

TRUE then this NSLayoutConstraint should be archived by its owning view.

setShouldBeArchived

public void setShouldBeArchived(boolean shouldBeArchived)

Set a Boolean that defines whether this NSLayoutConstraint should be archived by its owning view.

Parameters:

shouldBeArchived - TRUE then this NSLayoutConstraint should be archived by its owning view.

toString

public String toString()

Overrides:

toString in class Object