ClickableSpan
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public
abstract
class
ClickableSpan
extends CharacterStyle
implements
UpdateAppearance
If an object of this type is attached to the text of a TextView
with a movement method of LinkMovementMethod, the affected spans of
text can be selected. If selected and clicked, the onClick(View)
method will
be called.
The text with a ClickableSpan
attached will be underlined and the link color will be
used as a text color. The default link color is the theme's accent color or
android:textColorLink
if this attribute is defined in the theme.
For example, considering that we have a CustomClickableSpan
that extends
ClickableSpan
, it can be used like this:
SpannableString string = new SpannableString("Text with clickable text");
string.setSpan(new CustomClickableSpan(), 10, 19, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
Text with ClickableSpan
.
Summary
Public methods |
abstract
void
|
onClick(View widget)
Performs the click action associated with this span.
|
String
|
toString()
Returns a string representation of the object.
|
void
|
updateDrawState(TextPaint ds)
Makes the text underlined and in the link color.
|
Inherited methods |
From class
android.text.style.CharacterStyle
|
From class
java.lang.Object
Object
|
clone()
Creates and returns a copy of this object.
|
boolean
|
equals(Object obj)
Indicates whether some other object is "equal to" this one.
|
void
|
finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
|
final
Class<?>
|
getClass()
Returns the runtime class of this Object .
|
int
|
hashCode()
Returns a hash code value for the object.
|
final
void
|
notify()
Wakes up a single thread that is waiting on this object's
monitor.
|
final
void
|
notifyAll()
Wakes up all threads that are waiting on this object's monitor.
|
String
|
toString()
Returns a string representation of the object.
|
final
void
|
wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait()
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted.
|
|
Public constructors
ClickableSpan
public ClickableSpan ()
Public methods
onClick
public abstract void onClick (View widget)
Performs the click action associated with this span.
Parameters |
widget |
View : This value cannot be null . |
toString
public String toString ()
Returns a string representation of the object.
Returns |
String |
a string representation of the object. |
updateDrawState
public void updateDrawState (TextPaint ds)
Makes the text underlined and in the link color.
Parameters |
ds |
TextPaint : This value cannot be null . |
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-10 UTC.
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