DisplayManager Class
Definition
Important
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Manages the properties of attached displays.
[Android.Runtime.Register("android/hardware/display/DisplayManager", DoNotGenerateAcw=true)]
public sealed class DisplayManager : Java.Lang.Object[<Android.Runtime.Register("android/hardware/display/DisplayManager", DoNotGenerateAcw=true)>]
type DisplayManager = class
inherit Object- Inheritance
- Attributes
Remarks
Manages the properties of attached displays.
Java documentation for android.hardware.display.DisplayManager.
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Fields
| Name | Description |
|---|---|
| BrightnessUnitPercentage |
Obsolete.
Brightness value type where the value is in the range [0, 100] and when set, the brightness UI slider will show the same value. |
| BrightnessUnitRaw |
Obsolete.
Brightness value type where the value is in the system range [0. |
| DisplayCategoryBuiltInDisplays |
Display category: Built in displays. |
| DisplayCategoryPresentation |
Display category: Presentation displays. |
| EventTypeDisplayAdded |
Event type for when a new display is added. |
| EventTypeDisplayBrightness |
Event type to register for a display's brightness changes. |
| EventTypeDisplayChanged |
Event type for when a display is changed. |
| EventTypeDisplayRefreshRate |
Event type for when a display's refresh rate changes. |
| EventTypeDisplayRemoved |
Event type for when a display is removed. |
| EventTypeDisplayState |
Event type for when a display state changes. |
| MatchContentFramerateAlways |
Obsolete.
Refresh rate switches between all refresh rates are allowed even if they have visual interruptions for the user. |
| MatchContentFramerateNever |
Obsolete.
No mode switching is allowed. |
| MatchContentFramerateSeamlesssOnly |
Obsolete.
Only refresh rate switches without visual interruptions are allowed. |
| MatchContentFramerateUnknown |
Obsolete.
Match content frame rate user preference is unknown. |
| VirtualDisplayFlagAutoMirror |
Obsolete.
Virtual display flag: Allows content to be mirrored on private displays when no content is being shown. |
| VirtualDisplayFlagOwnContentOnly |
Obsolete.
Virtual display flag: Only show this display's own content; do not mirror the content of another display. |
| VirtualDisplayFlagPresentation |
Obsolete.
Virtual display flag: Create a presentation display. |
| VirtualDisplayFlagPublic |
Obsolete.
Virtual display flag: Create a public display. |
| VirtualDisplayFlagSecure |
Obsolete.
Virtual display flag: Create a secure display. |
Properties
| Name | Description |
|---|---|
| Class |
Returns the runtime class of this |
| DisplayTopology |
Gets the current arrangement of extended displays that the mouse cursor can reach. |
| Handle |
The handle to the underlying Android instance. (Inherited from Object) |
| HdrConversionMode |
Returns the |
| JniIdentityHashCode |
Gets the identity hash code assigned to this Java peer by the interop runtime. (Inherited from Object) |
| JniManagedPeerState |
Gets the state flags last assigned by the runtime. (Inherited from JavaObject) |
| JniPeerMembers |
Gets the JNI metadata used to access members of this Java binding. |
| MatchContentFrameRateUserPreference |
Returns the user preference for "Match content frame rate". |
| PeerReference |
Gets the JNI object reference for this Java peer. (Inherited from Object) |
| ThresholdClass |
This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. (Inherited from Object) |
| ThresholdType |
This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. (Inherited from Object) |
Methods
| Name | Description |
|---|---|
| Clone() |
Creates and returns a copy of this object. (Inherited from Object) |
| Construct(JniObjectReference, JniObjectReferenceOptions) |
Delegates construction of this peer to the runtime's value manager. (Inherited from JavaObject) |
| CreateVirtualDisplay(String, Int32, Int32, Int32, Surface, VirtualDisplayFlags, VirtualDisplay+Callback, Handler) |
Creates a virtual display. |
| CreateVirtualDisplay(String, Int32, Int32, Int32, Surface, VirtualDisplayFlags) |
Creates a virtual display. |
| CreateVirtualDisplay(VirtualDisplayConfig, Handler, VirtualDisplay+Callback) |
Creates a virtual display. |
| CreateVirtualDisplay(VirtualDisplayConfig) |
Creates a virtual display. |
| Dispose() |
Releases the resources held by this Java peer. (Inherited from Object) |
| Dispose(Boolean) |
Releases the resources held by this Java peer. (Inherited from Object) |
| DisposeUnlessReferenced() |
Asks the value manager to dispose this peer unless its mapping retains this same managed instance. (Inherited from JavaObject) |
| Equals(Object) |
Tests whether another managed peer refers to the same Java object. (Inherited from JavaObject) |
| Equals(Object) |
Indicates whether some other object is "equal to" this one. (Inherited from Object) |
| GetBrightness(Int32, Int32) |
Gets the brightness of the specified display in the specified brightness unit. |
| GetDisplay(Int32) |
Gets information about a logical display. |
| GetDisplays() |
Gets all currently valid logical displays. |
| GetDisplays(String) |
Gets all currently valid logical displays of the specified category. |
| GetHashCode() |
Returns a hash code value for the object. (Inherited from Object) |
| JavaFinalize() |
Obsolete.
Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. (Inherited from Object) |
| Notify() |
Wakes up a single thread that is waiting on this object's monitor. (Inherited from Object) |
| NotifyAll() |
Wakes up all threads that are waiting on this object's monitor. (Inherited from Object) |
| RegisterDisplayListener(DisplayManager+IDisplayListener, Handler) |
Registers a display listener to receive notifications about when displays are added, removed or changed. |
| RegisterDisplayListener(IExecutor, Int64, DisplayManager+IDisplayListener) |
Registers a display listener to receive notifications about given display event types. |
| RegisterTopologyListener(IExecutor, IConsumer) |
Register a listener to receive display topology updates. |
| SetBrightness(Int32, Single, Int32) |
Sets the brightness of the specified display. |
| SetHandle(IntPtr, JniHandleOwnership) |
Sets the Handle property. (Inherited from Object) |
| SetPeerReference(JniObjectReference, JniObjectReferenceOptions) |
Stores a reference value in the control block without creating a JNI reference copy. (Inherited from JavaObject) |
| ToArray<T>() |
Creates a managed array from this Java array wrapper. (Inherited from Object) |
| ToString() |
Returns a string representation of the object. (Inherited from Object) |
| UnregisterDisplayListener(DisplayManager+IDisplayListener) |
Unregisters a display listener. |
| UnregisterFromRuntime() |
Unregisters this Java peer from the interop runtime. (Inherited from Object) |
| UnregisterTopologyListener(IConsumer) |
Unregister a display topology listener. |
| Wait() |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>. (Inherited from Object) |
| Wait(Int64, Int32) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
| Wait(Int64) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
Explicit Interface Implementations
| Name | Description |
|---|---|
| IJavaPeerable.Disposed() |
Marks this peer as disposed and calls |
| IJavaPeerable.Finalized() |
Marks this peer as disposed and calls |
| IJavaPeerable.JniObjectReferenceControlBlock |
Gets the native control-block pointer used by this peer. (Inherited from JavaObject) |
| IJavaPeerable.SetJniIdentityHashCode(Int32) |
Stores the identity hash code supplied by the runtime. (Inherited from JavaObject) |
| IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) |
Replaces the stored managed peer state flags. (Inherited from JavaObject) |
| IJavaPeerable.SetPeerReference(JniObjectReference) |
Updates the peer reference and releases a disposed peer's control block when the reference is invalid. (Inherited from JavaObject) |
Extension Methods
| Name | Description |
|---|---|
| GetJniTypeName(IJavaPeerable) |
Gets the JNI name of the type of the instance |
| JavaAs<TResult>(IJavaPeerable) |
Try to coerce |
| JavaCast<TResult>(IJavaObject) |
Performs an Android runtime-checked type conversion. |
| JavaCast<TResult>(IJavaObject) |
Reuses a compatible managed peer or obtains a wrapper of the requested type. |
| TryJavaCast<TResult>(IJavaPeerable, TResult) |
Try to coerce |