SpanWatcher

Kotlin |Java

public interface SpanWatcher
implements NoCopySpan

android.text.SpanWatcher

Known indirect subclasses

MultiTapKeyListener	This is the standard key listener for alphabetic input on 12-key keyboards.
TextKeyListener	This is the key listener for typing normal text.

When an object of this type is attached to a Spannable, its methods will be called to notify it that other markup objects have been added, changed, or removed.

Summary

Public methods
`abstract void`	`onSpanAdded(Spannable text, Object what, int start, int end)` This method is called to notify you that the specified object has been attached to the specified range of the text.
`abstract void`	`onSpanChanged(Spannable text, Object what, int ostart, int oend, int nstart, int nend)` This method is called to notify you that the specified object has been relocated from the range `ostart…oend` to the new range `nstart…nend` of the text.
`abstract void`	`onSpanRemoved(Spannable text, Object what, int start, int end)` This method is called to notify you that the specified object has been detached from the specified range of the text.

Public methods

onSpanAdded

Added in API level 1

public abstract void onSpanAdded (Spannable text, 
                Object what, 
                int start, 
                int end)

This method is called to notify you that the specified object has been attached to the specified range of the text.

Parameters
`text`	`Spannable`
`what`	`Object`
`start`	`int`
`end`	`int`

onSpanChanged

Added in API level 1

public abstract void onSpanChanged (Spannable text, 
                Object what, 
                int ostart, 
                int oend, 
                int nstart, 
                int nend)

This method is called to notify you that the specified object has been relocated from the range ostart…oend to the new range nstart…nend of the text.

Parameters
`text`	`Spannable`
`what`	`Object`
`ostart`	`int`
`oend`	`int`
`nstart`	`int`
`nend`	`int`

onSpanRemoved

Added in API level 1

public abstract void onSpanRemoved (Spannable text, 
                Object what, 
                int start, 
                int end)

This method is called to notify you that the specified object has been detached from the specified range of the text.

Parameters
`text`	`Spannable`
`what`	`Object`
`start`	`int`
`end`	`int`