WearableButtonsProvider
public
interface
WearableButtonsProvider
| androidx.wear.input.WearableButtonsProvider |
A provider interface to allow WearableButtons to query for information on the device's
buttons from the platform. This exists to allow for the button provider to be switched out for
testing, for example, by using TestWearableButtonsProvider.
Summary
Public methods | |
|---|---|
abstract
int[]
|
getAvailableButtonKeyCodes(Context context)
Get the keycodes of available hardware buttons on device. |
abstract
Bundle
|
getButtonInfo(Context context, int keycode)
Returns a bundle containing the metadata of a specific button. |
Public methods
getAvailableButtonKeyCodes
public abstract int[] getAvailableButtonKeyCodes (Context context)
Get the keycodes of available hardware buttons on device. This function based on key's locations from system property. This count includes the primary stem key as well as any secondary stem keys available.
| Parameters | |
|---|---|
context |
Context: The context of the current activity |
| Returns | |
|---|---|
int[] |
An int array of available button keycodes, or null if no keycodes could be read. |
getButtonInfo
public abstract Bundle getButtonInfo (Context context, int keycode)
Returns a bundle containing the metadata of a specific button. Currently, only location is
supported. Use with WearableInputDevice.X_KEY and
WearableInputDevice.Y_KEY. The key will not be
present if the information is not available for the requested keycode.
The location returned is a Cartesian coordinate where the bottom left corner of the screen is the origin. The unit of measurement is in pixels. The coordinates do not take rotation into account and assume that the device is in the standard upright position.
| Parameters | |
|---|---|
context |
Context: The context of the current activity |
keycode |
int: The keycode associated with the hardware button of interest |
| Returns | |
|---|---|
Bundle |
A Bundle containing the metadata for the given keycode
|