Keyboard  |  API reference  |  Android Developers

XML attributes

android:horizontalGap This is deprecated. Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

  android:keyHeight This is deprecated. Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

  android:keyWidth This is deprecated. Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

  android:verticalGap This is deprecated. Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

 

Constants

int EDGE_BOTTOM
int EDGE_LEFT
int EDGE_RIGHT
int EDGE_TOP
int KEYCODE_ALT
int KEYCODE_CANCEL
int KEYCODE_DELETE
int KEYCODE_DONE
int KEYCODE_MODE_CHANGE
int KEYCODE_SHIFT

Public constructors

Keyboard(Context context, int xmlLayoutResId)

Creates a keyboard from the given xml key layout file.

Keyboard(Context context, int xmlLayoutResId, int modeId)

Creates a keyboard from the given xml key layout file.

Keyboard(Context context, int xmlLayoutResId, int modeId, int width, int height)

Creates a keyboard from the given xml key layout file.

Keyboard(Context context, int layoutTemplateResId, CharSequence characters, int columns, int horizontalPadding)

Creates a blank keyboard from the given resource file and populates it with the specified characters in left-to-right, top-to-bottom fashion, using the specified number of columns.

Public methods

int getHeight()

Returns the total height of the keyboard

List<Keyboard.Key> getKeys()
int getMinWidth()
List<Keyboard.Key> getModifierKeys()
int[] getNearestKeys(int x, int y)

Returns the indices of the keys that are closest to the given point.

int getShiftKeyIndex()
boolean isShifted()
boolean setShifted(boolean shiftState)

Protected methods

Keyboard.Key createKeyFromXml(Resources res, Keyboard.Row parent, int x, int y, XmlResourceParser parser)
Keyboard.Row createRowFromXml(Resources res, XmlResourceParser parser)
int getHorizontalGap()
int getKeyHeight()
int getKeyWidth()
int getVerticalGap()
void setHorizontalGap(int gap)
void setKeyHeight(int height)
void setKeyWidth(int width)
void setVerticalGap(int gap)

Inherited methods

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.

XML attributes

android:horizontalGap

This is deprecated.
Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

Default horizontal gap between keys.

android:keyHeight

This is deprecated.
Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

Default height of a key, in pixels or percentage of display width.

android:keyWidth

This is deprecated.
Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

Default width of a key, in pixels or percentage of display width.

android:verticalGap

This is deprecated.
Copy this definition into your own application project.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

Default vertical gap between rows of keys.

Constants

EDGE_BOTTOM

public static final int EDGE_BOTTOM

Constant Value: 8 (0x00000008)

EDGE_LEFT

public static final int EDGE_LEFT

Constant Value: 1 (0x00000001)

EDGE_RIGHT

public static final int EDGE_RIGHT

Constant Value: 2 (0x00000002)

EDGE_TOP

public static final int EDGE_TOP

Constant Value: 4 (0x00000004)

KEYCODE_ALT

public static final int KEYCODE_ALT

Constant Value: -6 (0xfffffffa)

KEYCODE_CANCEL

public static final int KEYCODE_CANCEL

Constant Value: -3 (0xfffffffd)

KEYCODE_DELETE

public static final int KEYCODE_DELETE

Constant Value: -5 (0xfffffffb)

KEYCODE_DONE

public static final int KEYCODE_DONE

Constant Value: -4 (0xfffffffc)

KEYCODE_MODE_CHANGE

public static final int KEYCODE_MODE_CHANGE

Constant Value: -2 (0xfffffffe)

KEYCODE_SHIFT

public static final int KEYCODE_SHIFT

Constant Value: -1 (0xffffffff)

Public constructors

Keyboard

public Keyboard (Context context, 
                int xmlLayoutResId)

Creates a keyboard from the given xml key layout file.

Parameters
context Context: the application or service context
xmlLayoutResId int: the resource file that contains the keyboard layout and keys.

Keyboard

public Keyboard (Context context, 
                int xmlLayoutResId, 
                int modeId)

Creates a keyboard from the given xml key layout file. Weeds out rows that have a keyboard mode defined but don't match the specified mode.

Parameters
context Context: the application or service context
xmlLayoutResId int: the resource file that contains the keyboard layout and keys.
modeId int: keyboard mode identifier

Keyboard

public Keyboard (Context context, 
                int xmlLayoutResId, 
                int modeId, 
                int width, 
                int height)

Creates a keyboard from the given xml key layout file. Weeds out rows that have a keyboard mode defined but don't match the specified mode.

Parameters
context Context: the application or service context
xmlLayoutResId int: the resource file that contains the keyboard layout and keys.
modeId int: keyboard mode identifier
width int: sets width of keyboard
height int: sets height of keyboard

Keyboard

public Keyboard (Context context, 
                int layoutTemplateResId, 
                CharSequence characters, 
                int columns, 
                int horizontalPadding)

Creates a blank keyboard from the given resource file and populates it with the specified characters in left-to-right, top-to-bottom fashion, using the specified number of columns.

If the specified number of columns is -1, then the keyboard will fit as many keys as possible in each row.

Parameters
context Context: the application or service context
layoutTemplateResId int: the layout template file, containing no keys.
characters CharSequence: the list of characters to display on the keyboard. One key will be created for each character.
columns int: the number of columns of keys to display. If this number is greater than the number of keys that can fit in a row, it will be ignored. If this number is -1, the keyboard will fit as many keys as possible in each row.
horizontalPadding int

Public methods

getHeight

public int getHeight ()

Returns the total height of the keyboard

Returns
int the total height of the keyboard

getMinWidth

public int getMinWidth ()
Returns
int

getNearestKeys

public int[] getNearestKeys (int x, 
                int y)

Returns the indices of the keys that are closest to the given point.

Parameters
x int: the x-coordinate of the point
y int: the y-coordinate of the point
Returns
int[] the array of integer indices for the nearest keys to the given point. If the given point is out of range, then an array of size zero is returned.

getShiftKeyIndex

public int getShiftKeyIndex ()
Returns
int

isShifted

public boolean isShifted ()
Returns
boolean

setShifted

public boolean setShifted (boolean shiftState)
Parameters
shiftState boolean
Returns
boolean

Protected methods

getHorizontalGap

protected int getHorizontalGap ()
Returns
int

getKeyHeight

protected int getKeyHeight ()
Returns
int

getKeyWidth

protected int getKeyWidth ()
Returns
int

getVerticalGap

protected int getVerticalGap ()
Returns
int

setHorizontalGap

protected void setHorizontalGap (int gap)
Parameters
gap int

setKeyHeight

protected void setKeyHeight (int height)
Parameters
height int

setKeyWidth

protected void setKeyWidth (int width)
Parameters
width int

setVerticalGap

protected void setVerticalGap (int gap)
Parameters
gap int