ArrowKeyMovementMethod

Returns true if this movement method allows arbitrary selection of any text; false if it has no selection (like a movement method that only scrolls) or a constrained selection (for example limited to links. The "Select All" menu item is disabled if arbitrary selection is not allowed.

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

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

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.

Performs a movement key action. The default implementation decodes the key down and invokes movement actions such as down(TextView, Spannable) and up(TextView, Spannable). onKeyDown(TextView, Spannable, int, KeyEvent) calls this method once to handle an ACTION_DOWN. onKeyOther(TextView, Spannable, KeyEvent) calls this method repeatedly to handle each repetition of an ACTION_MULTIPLE.

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.

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

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

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

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

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

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

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

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