danger.system
Class HardwareCapabilities

java.lang.Object
  danger.system.HardwareCapabilities

public final class HardwareCapabilities
extends Object

HardwareCapabilities is a list of string keys used to make queries about various device capabilities.

Each query returns either null for an unknown key or a semicolon delimeted list of key value pairs. For example:

String s = HardwareCapabilities.get(HardwareCapabilities.SCREEN);

Might return:

color_space=RGB16_BGR;width=240;height=160

Field Summary

static String	BACK_BUTTON Deprecated. Use FEATURE_BACK_BUTTON instead.
static String	CAMERA Deprecated. Use cameraCaptureFormat(), FEATURE_CAMERA, FEATURE_CAMERA_REMOVABLE, FEATURE_CAMERA_CAN_FLIP, FEATURE_CAMERA_FLASH, FEATURE_CAMERA_LOW_LIGHT_MODE, and FEATURE_CAMERA_IS_LED_FLASH instead.
static String	CANCEL_BUTTON Deprecated. Use FEATURE_CANCEL_BUTTON instead.
static String	DONE_BUTTON Deprecated. Use FEATURE_DONE_BUTTON instead.
static String	END_BUTTON Deprecated. Use FEATURE_END_BUTTON instead.
static String	EXTERNAL_MICROPHONE Deprecated. Use FEATURE_EXTERNAL_MIC instead.
static int	FEATURE_BACK_BUTTON Can be used as argument to hasFeature(int), to determine if the device has a back button.
static int	FEATURE_BATTERY_COVER_SENSOR Can be used as argument to hasFeature(int), to determine if the device has a sensor to detect whether the battery cover is off.
static int	FEATURE_BLUETOOTH Can be used as argument to hasFeature(int), to determine if the device supports Bluetooth
static int	FEATURE_BLUETOOTH_AUDIO Can be used as argument to hasFeature(int), to determine if the device supports Bluetooth audio routing.
static int	FEATURE_CAMERA Can be used as argument to hasFeature(int), to determine if the device has a camera.
static int	FEATURE_CAMERA_CAN_DETECT_FLUORESECENT_HZ Can be used as argument to hasFeature(int), to determine if the camera can automatically detect the frequency of fluourescent lights and adjust accordingly.
static int	FEATURE_CAMERA_CAN_FLIP Can be used as argument to hasFeature(int), to determine if the camera can flip.
static int	FEATURE_CAMERA_CAN_SHARPEN Can be used as argument to hasFeature(int), to determine if the camera supports sharpness.
static int	FEATURE_CAMERA_FLASH Can be used as argument to hasFeature(int), to determine if the device has a camera flash.
static int	FEATURE_CAMERA_IS_LED_FLASH Can be used as argument to hasFeature(int), to determine if the camera flash is an LED flash.
static int	FEATURE_CAMERA_LOW_LIGHT_MODE Can be used as argument to hasFeature(int), to determine if the camera has a low light mode.
static int	FEATURE_CAMERA_REMOVABLE Can be used as argument to hasFeature(int), to determine if the device has a removable camera.
static int	FEATURE_CANCEL_BUTTON Can be used as argument to hasFeature(int), to determine if the device has a cancel button.
static int	FEATURE_DIALPAD_OVERLAY Can be used as argument to hasFeature(int), to determine if the device has a dial pad overlay.
static int	FEATURE_DISPLAY_REQUIRES_REFRESH Can be used as argument to hasFeature(int), to determine if the display must be actively refreshed.
static int	FEATURE_DISPLAY_SWIVELS Can be used as argument to hasFeature(int), to determine if the display flips to reveal the keyboard.
static int	FEATURE_DONE_BUTTON Can be used as argument to hasFeature(int), to determine if the device has a done button.
static int	FEATURE_DPAD Can be used as argument to hasFeature(int), to determine if the device has a dpad.
static int	FEATURE_DPAD_LED Can be used as argument to hasFeature(int), to determine if the DPAD has an LED.
static int	FEATURE_END_BUTTON Can be used as argument to hasFeature(int), to determine if the device has an end button.
static int	FEATURE_EXTERNAL_MIC Can be used as argument to hasFeature(int), to determine if the device has an external microphone.
static int	FEATURE_EXTERNAL_POWER_BUTTON Can be used as argument to hasFeature(int), to determine if the device has an external power button.
static int	FEATURE_GREEN_POWER_KEY Can be used as argument to hasFeature(int), to determine if the device has a green power key.
static int	FEATURE_HOT_SWAPPABLE_MEDIA Can be used as argument to hasFeature(int), to determine if the device supports hot-swappable media.
static int	FEATURE_LIGHT_METER Can be used as argument to hasFeature(int), to determine if the device has a light meter.
static int	FEATURE_MONO_HEADSET Can be used as argument to hasFeature(int), to determine if the device supports mono headsets.
static int	FEATURE_MOOD_LIGHTS Can be used as argument to hasFeature(int), to determine if the device has mood lights.
static int	FEATURE_ORANGE_DEL_KEY Can be used as argument to hasFeature(int), to determine if the delete key is orange.
static int	FEATURE_READABLE_WITH_BACKLIGHT_OFF Can be used as argument to hasFeature(int), to determine if the display is readable with the backlight off.
static int	FEATURE_REMOVABLE_BATTERY Can be used as argument to hasFeature(int), to determine if the device has a removable battery.
static int	FEATURE_REMOVE_SIM_WHILE_RUNNING Can be used as argument to hasFeature(int), to determine if the SIM can be removed from the device without powering down.
static int	FEATURE_SD_CARD Can be used as argument to hasFeature(int), to determine if the device has an SD card slot
static int	FEATURE_SEND_BUTTON Can be used as argument to hasFeature(int), to determine if the device has a send button.
static int	FEATURE_SHOULDER_BUTTONS Can be used as argument to hasFeature(int), to determine if the device has shoulder buttons.
static int	FEATURE_SPEAKER_PHONE Can be used as argument to hasFeature(int), to determine if the device has a speaker phone.
static int	FEATURE_STEREO_HEADSET Can be used as argument to hasFeature(int), to determine if the device supports stereo headsets.
static int	FEATURE_SYM_KEY Can be used as argument to hasFeature(int), to determine if the device has a Sym key.
static int	FEATURE_TAB_KEY Can be used as argument to hasFeature(int), to determine if the device has a tab key.
static int	FEATURE_TRACKBALL Can be used as argument to hasFeature(int), to determine if the device has a trackball.
static int	FEATURE_TRACKBALL_LED Can be used as argument to hasFeature(int), to determine if the trackball has an LED.
static int	FEATURE_VOLUME_BUTTONS Can be used as argument to hasFeature(int), to determine if the device has volume buttons.
static int	FEATURE_WHEEL Can be used as argument to hasFeature(int), to determine if the device has a wheel.
static String	FLASH Deprecated. For internal use only.
static String	KEYBOARD Deprecated. Use FEATURE_DIALPAD_OVERLAY, FEATURE_TAB_KEY, FEATURE_ORANGE_DEL_KEY, and FEATURE_SYM_KEY instead.
static String	LIGHT_METER Deprecated. Use FEATURE_LIGHT_METER instead.
static String	POWER_BUTTON Deprecated. Use FEATURE_EXTERNAL_POWER_BUTTON instead.
static String	RAM Deprecated. For internal use only.
static String	REMOVABLE_BATTERY Deprecated. Use FEATURE_REMOVABLE_BATTERY instead.
static String	REMOVE_SIM_WHILE_RUNNING Deprecated. Use FEATURE_REMOVE_SIM_WHILE_RUNNING instead.
static String	SCREEN Deprecated. Use getScreenWidth(), getScreenHeight(), and getScreenColorSpace() instead.
static String	SEND_BUTTON Deprecated. Use FEATURE_SEND_BUTTON instead.
static String	SHOULDER_BUTTONS Deprecated. Use FEATURE_SHOULDER_BUTTONS instead.
static String	SPEAKER Deprecated. Use getSpeakerType() instead.
static String	SPEAKER_PHONE Deprecated. Use FEATURE_SPEAKER_PHONE instead.
static String	VOLUME_BUTTONS Deprecated. Use FEATURE_VOLUME_BUTTONS instead.

Method Summary

static String	cameraCaptureFormat() Get the camera's capture format.
protected static void	determineCapabilities() Deprecated. For internal use only.
static void	dumpCapabilities()
static String	get(String key) Deprecated. Use hasFeature(int) instead.
static int	getScreenColorSpace() Get the device screen's color space.
static int	getScreenHeight() Get the device screen's height, in pixels.
static int	getScreenPhysicalHeight() Get the device screen's height, in micrometers
static int	getScreenPhysicalWidth() Get the device screen's width, in micrometers
static int	getScreenWidth() Get the device screen's width, in pixels.
static boolean	hasFeature(int feature) Determine if the device supports the specified feature

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

FEATURE_CANCEL_BUTTON

public static final int FEATURE_CANCEL_BUTTON

Can be used as argument to hasFeature(int), to determine if the device has a cancel button.

Since:

3.0

See Also:

Constant Field Values

FEATURE_DONE_BUTTON

public static final int FEATURE_DONE_BUTTON

Can be used as argument to hasFeature(int), to determine if the device has a done button.

Since:

3.0

See Also:

Constant Field Values

FEATURE_BACK_BUTTON

public static final int FEATURE_BACK_BUTTON

Can be used as argument to hasFeature(int), to determine if the device has a back button.

Since:

3.0

See Also:

Constant Field Values

FEATURE_VOLUME_BUTTONS

public static final int FEATURE_VOLUME_BUTTONS

Can be used as argument to hasFeature(int), to determine if the device has volume buttons.

Since:

3.0

See Also:

Constant Field Values

FEATURE_SEND_BUTTON

public static final int FEATURE_SEND_BUTTON

Can be used as argument to hasFeature(int), to determine if the device has a send button.

Since:

3.0

See Also:

Constant Field Values

FEATURE_END_BUTTON

public static final int FEATURE_END_BUTTON

Can be used as argument to hasFeature(int), to determine if the device has an end button.

Since:

3.0

See Also:

Constant Field Values

FEATURE_WHEEL

public static final int FEATURE_WHEEL

Can be used as argument to hasFeature(int), to determine if the device has a wheel.

Since:

3.0

See Also:

Constant Field Values

FEATURE_TRACKBALL

public static final int FEATURE_TRACKBALL

Can be used as argument to hasFeature(int), to determine if the device has a trackball.

Since:

3.0

See Also:

Constant Field Values

FEATURE_DPAD

public static final int FEATURE_DPAD

Can be used as argument to hasFeature(int), to determine if the device has a dpad.

Since:

3.0

See Also:

Constant Field Values

FEATURE_SHOULDER_BUTTONS

public static final int FEATURE_SHOULDER_BUTTONS

Can be used as argument to hasFeature(int), to determine if the device has shoulder buttons.

Since:

3.0

See Also:

Constant Field Values

FEATURE_EXTERNAL_POWER_BUTTON

public static final int FEATURE_EXTERNAL_POWER_BUTTON

Can be used as argument to hasFeature(int), to determine if the device has an external power button.

Since:

3.0

See Also:

Constant Field Values

FEATURE_TAB_KEY

public static final int FEATURE_TAB_KEY

Can be used as argument to hasFeature(int), to determine if the device has a tab key.

Since:

3.0

See Also:

Constant Field Values

FEATURE_SYM_KEY

public static final int FEATURE_SYM_KEY

Can be used as argument to hasFeature(int), to determine if the device has a Sym key.

Since:

3.0

See Also:

Constant Field Values

FEATURE_ORANGE_DEL_KEY

public static final int FEATURE_ORANGE_DEL_KEY

Can be used as argument to hasFeature(int), to determine if the delete key is orange.

Since:

3.0

See Also:

Constant Field Values

FEATURE_GREEN_POWER_KEY

public static final int FEATURE_GREEN_POWER_KEY

Can be used as argument to hasFeature(int), to determine if the device has a green power key.

Since:

3.0

See Also:

Constant Field Values

FEATURE_DIALPAD_OVERLAY

public static final int FEATURE_DIALPAD_OVERLAY

Can be used as argument to hasFeature(int), to determine if the device has a dial pad overlay.

Since:

3.0

See Also:

Constant Field Values

FEATURE_SPEAKER_PHONE

public static final int FEATURE_SPEAKER_PHONE

Can be used as argument to hasFeature(int), to determine if the device has a speaker phone.

Since:

3.0

See Also:

Constant Field Values

FEATURE_EXTERNAL_MIC

public static final int FEATURE_EXTERNAL_MIC

Can be used as argument to hasFeature(int), to determine if the device has an external microphone.

Since:

3.0

See Also:

Constant Field Values

FEATURE_CAMERA_REMOVABLE

public static final int FEATURE_CAMERA_REMOVABLE

Can be used as argument to hasFeature(int), to determine if the device has a removable camera.

Since:

3.0

See Also:

Constant Field Values

FEATURE_CAMERA_CAN_FLIP

public static final int FEATURE_CAMERA_CAN_FLIP

Can be used as argument to hasFeature(int), to determine if the camera can flip.

Since:

3.0

See Also:

Constant Field Values

FEATURE_CAMERA_FLASH

public static final int FEATURE_CAMERA_FLASH

Can be used as argument to hasFeature(int), to determine if the device has a camera flash.

Since:

3.0

See Also:

Constant Field Values

FEATURE_CAMERA_LOW_LIGHT_MODE

public static final int FEATURE_CAMERA_LOW_LIGHT_MODE

Can be used as argument to hasFeature(int), to determine if the camera has a low light mode.

Since:

3.0

See Also:

Constant Field Values

FEATURE_BLUETOOTH

public static final int FEATURE_BLUETOOTH

Can be used as argument to hasFeature(int), to determine if the device supports Bluetooth

Since:

3.0

See Also:

Constant Field Values

FEATURE_SD_CARD

public static final int FEATURE_SD_CARD

Can be used as argument to hasFeature(int), to determine if the device has an SD card slot

Since:

3.0

See Also:

Constant Field Values

FEATURE_BLUETOOTH_AUDIO

public static final int FEATURE_BLUETOOTH_AUDIO

Can be used as argument to hasFeature(int), to determine if the device supports Bluetooth audio routing.

Since:

3.0

See Also:

Constant Field Values

FEATURE_REMOVE_SIM_WHILE_RUNNING

public static final int FEATURE_REMOVE_SIM_WHILE_RUNNING

Can be used as argument to hasFeature(int), to determine if the SIM can be removed from the device without powering down.

Since:

3.0

See Also:

Constant Field Values

FEATURE_REMOVABLE_BATTERY

public static final int FEATURE_REMOVABLE_BATTERY

Can be used as argument to hasFeature(int), to determine if the device has a removable battery.

Since:

3.0

See Also:

Constant Field Values

FEATURE_CAMERA

public static final int FEATURE_CAMERA

Can be used as argument to hasFeature(int), to determine if the device has a camera.

Since:

3.0

See Also:

Constant Field Values

FEATURE_LIGHT_METER

public static final int FEATURE_LIGHT_METER

Can be used as argument to hasFeature(int), to determine if the device has a light meter.

Since:

3.0

See Also:

Constant Field Values

FEATURE_STEREO_HEADSET

public static final int FEATURE_STEREO_HEADSET

Can be used as argument to hasFeature(int), to determine if the device supports stereo headsets.

Since:

3.1

See Also:

Constant Field Values

FEATURE_CAMERA_IS_LED_FLASH

public static final int FEATURE_CAMERA_IS_LED_FLASH

Can be used as argument to hasFeature(int), to determine if the camera flash is an LED flash.

Since:

3.0

See Also:

Constant Field Values

FEATURE_READABLE_WITH_BACKLIGHT_OFF

public static final int FEATURE_READABLE_WITH_BACKLIGHT_OFF

Can be used as argument to hasFeature(int), to determine if the display is readable with the backlight off.

Since:

4.0

See Also:

Constant Field Values

FEATURE_DISPLAY_SWIVELS

public static final int FEATURE_DISPLAY_SWIVELS

Can be used as argument to hasFeature(int), to determine if the display flips to reveal the keyboard.

Since:

4.0

See Also:

Constant Field Values

FEATURE_HOT_SWAPPABLE_MEDIA

public static final int FEATURE_HOT_SWAPPABLE_MEDIA

Can be used as argument to hasFeature(int), to determine if the device supports hot-swappable media. This means that the user can change the media card without removing the battery.

Since:

4.0

See Also:

Constant Field Values

FEATURE_CAMERA_CAN_SHARPEN

public static final int FEATURE_CAMERA_CAN_SHARPEN

Can be used as argument to hasFeature(int), to determine if the camera supports sharpness.

Since:

4.0

See Also:

Constant Field Values

FEATURE_DISPLAY_REQUIRES_REFRESH

public static final int FEATURE_DISPLAY_REQUIRES_REFRESH

Can be used as argument to hasFeature(int), to determine if the display must be actively refreshed.

Since:

4.0

See Also:

Constant Field Values

FEATURE_MOOD_LIGHTS

public static final int FEATURE_MOOD_LIGHTS

Can be used as argument to hasFeature(int), to determine if the device has mood lights.

Since:

4.4

See Also:

Constant Field Values

FEATURE_BATTERY_COVER_SENSOR

public static final int FEATURE_BATTERY_COVER_SENSOR

Can be used as argument to hasFeature(int), to determine if the device has a sensor to detect whether the battery cover is off.

Since:

4.0

See Also:

Constant Field Values

FEATURE_DPAD_LED

public static final int FEATURE_DPAD_LED

Can be used as argument to hasFeature(int), to determine if the DPAD has an LED.

Since:

4.0

See Also:

Constant Field Values

FEATURE_TRACKBALL_LED

public static final int FEATURE_TRACKBALL_LED

Can be used as argument to hasFeature(int), to determine if the trackball has an LED.

Since:

4.0

See Also:

Constant Field Values

FEATURE_MONO_HEADSET

public static final int FEATURE_MONO_HEADSET

Can be used as argument to hasFeature(int), to determine if the device supports mono headsets.

Since:

4.0

See Also:

Constant Field Values

FEATURE_CAMERA_CAN_DETECT_FLUORESECENT_HZ

public static final int FEATURE_CAMERA_CAN_DETECT_FLUORESECENT_HZ

Can be used as argument to hasFeature(int), to determine if the camera can automatically detect the frequency of fluourescent lights and adjust accordingly.

Since:

4.0

See Also:

Constant Field Values

SCREEN

public static final String SCREEN

Deprecated. Use getScreenWidth(), getScreenHeight(), and getScreenColorSpace() instead.

See Also:

Constant Field Values

FLASH

public static final String FLASH

Deprecated. For internal use only.

See Also:

Constant Field Values

RAM

public static final String RAM

Deprecated. For internal use only.

See Also:

Constant Field Values

CANCEL_BUTTON

public static final String CANCEL_BUTTON

Deprecated. Use FEATURE_CANCEL_BUTTON instead.

See Also:

Constant Field Values

BACK_BUTTON

public static final String BACK_BUTTON

Deprecated. Use FEATURE_BACK_BUTTON instead.

See Also:

Constant Field Values

DONE_BUTTON

public static final String DONE_BUTTON

Deprecated. Use FEATURE_DONE_BUTTON instead.

See Also:

Constant Field Values

SEND_BUTTON

public static final String SEND_BUTTON

Deprecated. Use FEATURE_SEND_BUTTON instead.

See Also:

Constant Field Values

END_BUTTON

public static final String END_BUTTON

Deprecated. Use FEATURE_END_BUTTON instead.

See Also:

Constant Field Values

VOLUME_BUTTONS

public static final String VOLUME_BUTTONS

Deprecated. Use FEATURE_VOLUME_BUTTONS instead.

See Also:

Constant Field Values

SPEAKER

public static final String SPEAKER

Deprecated. Use getSpeakerType() instead.

See Also:

Constant Field Values

SPEAKER_PHONE

public static final String SPEAKER_PHONE

Deprecated. Use FEATURE_SPEAKER_PHONE instead.

See Also:

Constant Field Values

EXTERNAL_MICROPHONE

public static final String EXTERNAL_MICROPHONE

Deprecated. Use FEATURE_EXTERNAL_MIC instead.

See Also:

Constant Field Values

KEYBOARD

public static final String KEYBOARD

Deprecated. Use FEATURE_DIALPAD_OVERLAY, FEATURE_TAB_KEY, FEATURE_ORANGE_DEL_KEY, and FEATURE_SYM_KEY instead.

See Also:

Constant Field Values

SHOULDER_BUTTONS

public static final String SHOULDER_BUTTONS

Deprecated. Use FEATURE_SHOULDER_BUTTONS instead.

See Also:

Constant Field Values

POWER_BUTTON

public static final String POWER_BUTTON

Deprecated. Use FEATURE_EXTERNAL_POWER_BUTTON instead.

See Also:

Constant Field Values

CAMERA

public static final String CAMERA

Deprecated. Use cameraCaptureFormat(), FEATURE_CAMERA, FEATURE_CAMERA_REMOVABLE, FEATURE_CAMERA_CAN_FLIP, FEATURE_CAMERA_FLASH, FEATURE_CAMERA_LOW_LIGHT_MODE, and FEATURE_CAMERA_IS_LED_FLASH instead.

See Also:

Constant Field Values

REMOVE_SIM_WHILE_RUNNING

public static final String REMOVE_SIM_WHILE_RUNNING

Deprecated. Use FEATURE_REMOVE_SIM_WHILE_RUNNING instead.

See Also:

Constant Field Values

REMOVABLE_BATTERY

public static final String REMOVABLE_BATTERY

Deprecated. Use FEATURE_REMOVABLE_BATTERY instead.

See Also:

Constant Field Values

LIGHT_METER

public static final String LIGHT_METER

Deprecated. Use FEATURE_LIGHT_METER instead.

See Also:

Constant Field Values

Method Detail

get

public static String get(String key)

Deprecated. Use hasFeature(int) instead.

getScreenWidth

public static final int getScreenWidth()

Get the device screen's width, in pixels.

getScreenHeight

public static final int getScreenHeight()

Get the device screen's height, in pixels.

getScreenPhysicalWidth

public static final int getScreenPhysicalWidth()

Get the device screen's width, in micrometers

Since:

4.0

getScreenPhysicalHeight

public static final int getScreenPhysicalHeight()

Get the device screen's height, in micrometers

Since:

4.0

getScreenColorSpace

public static final int getScreenColorSpace()

Get the device screen's color space. Returns one of the constants defined in ColorSpace.

hasFeature

public static final boolean hasFeature(int feature)

Determine if the device supports the specified feature

Parameters:

feature - one of the following: FEATURE_CANCEL_BUTTON, FEATURE_DONE_BUTTON, FEATURE_BACK_BUTTON, FEATURE_VOLUME_BUTTONS, FEATURE_SEND_BUTTON, FEATURE_END_BUTTON, FEATURE_WHEEL, FEATURE_TRACKBALL, FEATURE_DPAD, FEATURE_SHOULDER_BUTTONS, FEATURE_EXTERNAL_POWER_BUTTON, FEATURE_TAB_KEY, FEATURE_SYM_KEY, FEATURE_ORANGE_DEL_KEY, FEATURE_GREEN_POWER_KEY, FEATURE_DIALPAD_OVERLAY, FEATURE_SPEAKER_PHONE, FEATURE_EXTERNAL_MIC, FEATURE_CAMERA, FEATURE_CAMERA_REMOVABLE, FEATURE_CAMERA_CAN_FLIP, FEATURE_CAMERA_FLASH, FEATURE_CAMERA_LOW_LIGHT_MODE, FEATURE_CAMERA_CAN_SHARPEN, FEATURE_CAMERA_CAN_DETECT_FLUORESECENT_HZ, FEATURE_BLUETOOTH, FEATURE_BLUETOOTH_AUDIO, FEATURE_SD_CARD, FEATURE_REMOVE_SIM_WHILE_RUNNING, FEATURE_REMOVABLE_BATTERY, FEATURE_LIGHT_METER, FEATURE_STEREO_HEADSET, FEATURE_MONO_HEADSET, FEATURE_CAMERA_IS_LED_FLASH, FEATURE_READABLE_WITH_BACKLIGHT_OFF, FEATURE_DISPLAY_SWIVELS, FEATURE_HOT_SWAPPABLE_MEDIA, FEATURE_DISPLAY_REQUIRES_REFRESH, FEATURE_MOOD_LIGHTS, FEATURE_BATTERY_COVER_SENSOR, FEATURE_DPAD_LED. FEATURE_TRACKBALL_LED.

Since:

3.0

cameraCaptureFormat

public static final String cameraCaptureFormat()

Get the camera's capture format. Returns one of the following: "jpeg", "notjpeg".

determineCapabilities

protected static final void determineCapabilities()

Deprecated. For internal use only.

dumpCapabilities

public static final void dumpCapabilities()