DisplayManagerCompat
public
final
class
DisplayManagerCompat
extends Object
| java.lang.Object | |
| ↳ | androidx.core.hardware.display.DisplayManagerCompat |
Helper for accessing features in DisplayManager.
Summary
Constants | |
|---|---|
String |
DISPLAY_CATEGORY_PRESENTATION
Display category: Presentation displays. |
Public methods | |
|---|---|
Display
|
getDisplay(int displayId)
Gets information about a logical display. |
Display[]
|
getDisplays()
Gets all currently valid logical displays. |
Display[]
|
getDisplays(String category)
Gets all currently valid logical displays of the specified category. |
static
DisplayManagerCompat
|
getInstance(Context context)
Gets an instance of the display manager given the context. |
Inherited methods | |
|---|---|
Constants
DISPLAY_CATEGORY_PRESENTATION
public static final String DISPLAY_CATEGORY_PRESENTATION
Display category: Presentation displays.
This category can be used to identify secondary displays that are suitable for use as presentation displays.
Constant Value: "android.hardware.display.category.PRESENTATION"
Public methods
getDisplay
public Display getDisplay (int displayId)
Gets information about a logical display. The display metrics may be adjusted to provide compatibility for legacy applications.
| Parameters | |
|---|---|
displayId |
int: The logical display id. |
| Returns | |
|---|---|
Display |
The display object, or null if there is no valid display with the given id. |
getDisplays
public Display[] getDisplays ()
Gets all currently valid logical displays.
| Returns | |
|---|---|
Display[] |
An array containing all displays. |
getDisplays
public Display[] getDisplays (String category)
Gets all currently valid logical displays of the specified category.
When there are multiple displays in a category the returned displays are sorted
of preference. For example, if the requested category is
DISPLAY_CATEGORY_PRESENTATION and there are multiple presentation displays
then the displays are sorted so that the first display in the returned array
is the most preferred presentation display. The application may simply
use the first display or allow the user to choose.
| Parameters | |
|---|---|
category |
String: The requested display category or null to return all displays. |
| Returns | |
|---|---|
Display[] |
An array containing all displays sorted by order of preference. |
See also:
getInstance
public static DisplayManagerCompat getInstance (Context context)
Gets an instance of the display manager given the context.
| Parameters | |
|---|---|
context |
Context |
| Returns | |
|---|---|
DisplayManagerCompat |
|
Classes