TextView.OnTextChanged Method
Definition
Important
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Overloads
| OnTextChanged(ICharSequence, Int32, Int32, Int32) |
This method is called when the text is changed, in case any subclasses would like to know. |
| OnTextChanged(String, Int32, Int32, Int32) |
This method is called when the text is changed, in case any subclasses would like to know. |
OnTextChanged(ICharSequence, Int32, Int32, Int32)
This method is called when the text is changed, in case any subclasses would like to know.
[Android.Runtime.Register("onTextChanged", "(Ljava/lang/CharSequence;III)V", "GetOnTextChanged_Ljava_lang_CharSequence_IIIHandler")]
protected virtual void OnTextChanged (Java.Lang.ICharSequence? text, int start, int lengthBefore, int lengthAfter);[<Android.Runtime.Register("onTextChanged", "(Ljava/lang/CharSequence;III)V", "GetOnTextChanged_Ljava_lang_CharSequence_IIIHandler")>]
abstract member OnTextChanged : Java.Lang.ICharSequence * int * int * int -> unit
override this.OnTextChanged : Java.Lang.ICharSequence * int * int * int -> unitParameters
- text
- ICharSequence
The text the TextView is displaying
- start
- Int32
The offset of the start of the range of the text that was modified
- lengthBefore
- Int32
The length of the former text that has been replaced
- lengthAfter
- Int32
The length of the replacement modified text
- Attributes
Remarks
This method is called when the text is changed, in case any subclasses would like to know.
Within text, the lengthAfter characters beginning at start have just replaced old text that had length lengthBefore. It is an error to attempt to make changes to text from this callback.
Java documentation for android.widget.TextView.onTextChanged(java.lang.CharSequence, int, int, int).
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Applies to
OnTextChanged(String, Int32, Int32, Int32)
This method is called when the text is changed, in case any subclasses would like to know.
protected void OnTextChanged (string? text, int start, int lengthBefore, int lengthAfter);member this.OnTextChanged : string * int * int * int -> unitParameters
- text
- String
The text the TextView is displaying
- start
- Int32
The offset of the start of the range of the text that was modified
- lengthBefore
- Int32
The length of the former text that has been replaced
- lengthAfter
- Int32
The length of the replacement modified text
Remarks
This method is called when the text is changed, in case any subclasses would like to know.
Within text, the lengthAfter characters beginning at start have just replaced old text that had length lengthBefore. It is an error to attempt to make changes to text from this callback.
Java documentation for android.widget.TextView.onTextChanged(java.lang.CharSequence, int, int, int).
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.