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public
final
class
Insets
extends Object
implements
Parcelable
java.lang.Object | |
↳ | android.graphics.Insets |
An Insets instance holds four integer offsets which describe changes to the four edges of a Rectangle. By convention, positive values move edges towards the centre of the rectangle.
Insets are immutable so may be treated as values.
Inherited constants |
---|
Fields | |
---|---|
public
static
final
Creator<Insets> |
CREATOR
|
public
static
final
Insets |
NONE
|
public
final
int |
bottom
|
public
final
int |
left
|
public
final
int |
right
|
public
final
int |
top
|
Public methods | |
---|---|
static
Insets
|
add(Insets a, Insets b)
Add two Insets. |
int
|
describeContents()
Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. |
boolean
|
equals(Object o)
Two Insets instances are equal iff they belong to the same class and their fields are pairwise equal. |
int
|
hashCode()
Returns a hash code value for the object. |
static
Insets
|
max(Insets a, Insets b)
Retrieves the maximum of two Insets. |
static
Insets
|
min(Insets a, Insets b)
Retrieves the minimum of two Insets. |
static
Insets
|
of(int left, int top, int right, int bottom)
Return an Insets instance with the appropriate values. |
static
Insets
|
of(Rect r)
Return an Insets instance with the appropriate values. |
static
Insets
|
subtract(Insets a, Insets b)
Subtract two Insets. |
String
|
toString()
Returns a string representation of the object. |
void
|
writeToParcel(Parcel out, int flags)
Flatten this object in to a Parcel. |
Inherited methods | |
---|---|
public final int bottom
public final int left
public final int right
public final int top
public static Insets add (Insets a, Insets b)
Add two Insets.
Parameters | |
---|---|
a |
Insets : The first Insets to add.
This value cannot be null . |
b |
Insets : The second Insets to add.
This value cannot be null . |
Returns | |
---|---|
Insets |
a + b, i. e. all insets on every side are added together.
This value cannot be null . |
public int describeContents ()
Describe the kinds of special objects contained in this Parcelable
instance's marshaled representation. For example, if the object will
include a file descriptor in the output of writeToParcel(android.os.Parcel, int)
,
the return value of this method must include the
CONTENTS_FILE_DESCRIPTOR
bit.
Returns | |
---|---|
int |
a bitmask indicating the set of special object types marshaled
by this Parcelable object instance.
Value is either 0 or CONTENTS_FILE_DESCRIPTOR |
public boolean equals (Object o)
Two Insets instances are equal iff they belong to the same class and their fields are pairwise equal.
Parameters | |
---|---|
o |
Object : the object to compare this instance with. |
Returns | |
---|---|
boolean |
true iff this object is equal o |
public int hashCode ()
Returns a hash code value for the object. This method is
supported for the benefit of hash tables such as those provided by
HashMap
.
The general contract of hashCode
is:
hashCode
method
must consistently return the same integer, provided no information
used in equals
comparisons on the object is modified.
This integer need not remain consistent from one execution of an
application to another execution of the same application.
equals(Object)
method, then calling the hashCode
method on each of
the two objects must produce the same integer result.
equals(java.lang.Object)
method, then calling the hashCode
method on each of the
two objects must produce distinct integer results. However, the
programmer should be aware that producing distinct integer results
for unequal objects may improve the performance of hash tables.
As much as is reasonably practical, the hashCode method defined by
class Object
does return distinct integers for distinct
objects. (This is typically implemented by converting the internal
address of the object into an integer, but this implementation
technique is not required by the
Java™ programming language.)
Returns | |
---|---|
int |
a hash code value for this object. |
public static Insets max (Insets a, Insets b)
Retrieves the maximum of two Insets.
Parameters | |
---|---|
a |
Insets : The first Insets.
This value cannot be null . |
b |
Insets : The second Insets.
This value cannot be null . |
Returns | |
---|---|
Insets |
max(a, b), i. e. the larger of every inset on every side is taken for the result.
This value cannot be null . |
public static Insets min (Insets a, Insets b)
Retrieves the minimum of two Insets.
Parameters | |
---|---|
a |
Insets : The first Insets.
This value cannot be null . |
b |
Insets : The second Insets.
This value cannot be null . |
Returns | |
---|---|
Insets |
min(a, b), i. e. the smaller of every inset on every side is taken for the result.
This value cannot be null . |
public static Insets of (int left, int top, int right, int bottom)
Return an Insets instance with the appropriate values.
Parameters | |
---|---|
left |
int : the left inset |
top |
int : the top inset |
right |
int : the right inset |
bottom |
int : the bottom inset |
Returns | |
---|---|
Insets |
Insets instance with the appropriate values
This value cannot be null . |
public static Insets of (Rect r)
Return an Insets instance with the appropriate values.
Parameters | |
---|---|
r |
Rect : the rectangle from which to take the values
This value may be null . |
Returns | |
---|---|
Insets |
an Insets instance with the appropriate values
This value cannot be null . |
public static Insets subtract (Insets a, Insets b)
Subtract two Insets.
Parameters | |
---|---|
a |
Insets : The minuend.
This value cannot be null . |
b |
Insets : The subtrahend.
This value cannot be null . |
Returns | |
---|---|
Insets |
a - b, i. e. all insets on every side are subtracted from each other.
This value cannot be null . |
public String toString ()
Returns a string representation of the object. In general, the
toString
method returns a string that
"textually represents" this object. The result should
be a concise but informative representation that is easy for a
person to read.
It is recommended that all subclasses override this method.
The toString
method for class Object
returns a string consisting of the name of the class of which the
object is an instance, the at-sign character `@
', and
the unsigned hexadecimal representation of the hash code of the
object. In other words, this method returns a string equal to the
value of:
getClass().getName() + '@' + Integer.toHexString(hashCode())
Returns | |
---|---|
String |
a string representation of the object. |
public void writeToParcel (Parcel out, int flags)
Flatten this object in to a Parcel.
Parameters | |
---|---|
out |
Parcel : The Parcel in which the object should be written. |
flags |
int : Additional flags about how the object should be written.
May be 0 or Parcelable.PARCELABLE_WRITE_RETURN_VALUE .
Value is either 0 or a combination of Parcelable.PARCELABLE_WRITE_RETURN_VALUE , and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES |