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ScrollingMovementMethod

public class ScrollingMovementMethod
extends BaseMovementMethod implements MovementMethod

java.lang.Object
   ↳ android.text.method.BaseMovementMethod
     ↳ android.text.method.ScrollingMovementMethod


A movement method that interprets movement keys by scrolling the text buffer.

Summary

Public constructors

ScrollingMovementMethod()

Public methods

static MovementMethod getInstance()
void onTakeFocus(TextView widget, Spannable text, int dir)
boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event)

Protected methods

boolean bottom(TextView widget, Spannable buffer)

Performs a bottom movement action.

boolean down(TextView widget, Spannable buffer)

Performs a down movement action.

boolean end(TextView widget, Spannable buffer)

Performs an end movement action.

boolean home(TextView widget, Spannable buffer)

Performs a home movement action.

boolean left(TextView widget, Spannable buffer)

Performs a left movement action.

boolean lineEnd(TextView widget, Spannable buffer)

Performs a line-end movement action.

boolean lineStart(TextView widget, Spannable buffer)

Performs a line-start movement action.

boolean pageDown(TextView widget, Spannable buffer)

Performs a page-down movement action.

boolean pageUp(TextView widget, Spannable buffer)

Performs a page-up movement action.

boolean right(TextView widget, Spannable buffer)

Performs a right movement action.

boolean top(TextView widget, Spannable buffer)

Performs a top movement action.

boolean up(TextView widget, Spannable buffer)

Performs an up movement action.

Inherited methods

Public constructors

ScrollingMovementMethod

added in API level 1
public ScrollingMovementMethod ()

Public methods

getInstance

added in API level 1
public static MovementMethod getInstance ()

Returns
MovementMethod

onTakeFocus

added in API level 1
public void onTakeFocus (TextView widget, 
                Spannable text, 
                int dir)

Parameters
widget TextView

text Spannable

dir int

onTouchEvent

added in API level 1
public boolean onTouchEvent (TextView widget, 
                Spannable buffer, 
                MotionEvent event)

Parameters
widget TextView

buffer Spannable

event MotionEvent

Returns
boolean

Protected methods

bottom

added in API level 11
protected boolean bottom (TextView widget, 
                Spannable buffer)

Performs a bottom movement action. Moves the cursor or scrolls to the bottom of the buffer.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

down

added in API level 1
protected boolean down (TextView widget, 
                Spannable buffer)

Performs a down movement action. Moves the cursor or scrolls down by one line.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

end

added in API level 11
protected boolean end (TextView widget, 
                Spannable buffer)

Performs an end movement action. Moves the cursor or scrolls to the start of the line or to the top of the document depending on whether the insertion point is being moved or the document is being scrolled.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

home

added in API level 11
protected boolean home (TextView widget, 
                Spannable buffer)

Performs a home movement action. Moves the cursor or scrolls to the start of the line or to the top of the document depending on whether the insertion point is being moved or the document is being scrolled.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

left

added in API level 1
protected boolean left (TextView widget, 
                Spannable buffer)

Performs a left movement action. Moves the cursor or scrolls left by one character.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

lineEnd

added in API level 11
protected boolean lineEnd (TextView widget, 
                Spannable buffer)

Performs a line-end movement action. Moves the cursor or scrolls to the end of the line.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

lineStart

added in API level 11
protected boolean lineStart (TextView widget, 
                Spannable buffer)

Performs a line-start movement action. Moves the cursor or scrolls to the start of the line.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

pageDown

added in API level 11
protected boolean pageDown (TextView widget, 
                Spannable buffer)

Performs a page-down movement action. Moves the cursor or scrolls down by one page.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

pageUp

added in API level 11
protected boolean pageUp (TextView widget, 
                Spannable buffer)

Performs a page-up movement action. Moves the cursor or scrolls up by one page.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

right

added in API level 1
protected boolean right (TextView widget, 
                Spannable buffer)

Performs a right movement action. Moves the cursor or scrolls right by one character.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

top

added in API level 11
protected boolean top (TextView widget, 
                Spannable buffer)

Performs a top movement action. Moves the cursor or scrolls to the top of the buffer.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.

up

added in API level 1
protected boolean up (TextView widget, 
                Spannable buffer)

Performs an up movement action. Moves the cursor or scrolls up by one line.

Parameters
widget TextView: The text view.

buffer Spannable: The text buffer.

Returns
boolean True if the event was handled.