WindowManager
class WindowManager
| kotlin.Any | |
| ↳ | androidx.window.WindowManager |
Main interaction point with the WindowManager library. An instance of this class allows polling the current state of the device and display, and registering callbacks for changes in the corresponding states.
Summary
Public constructors |
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<init>(@NonNull context: Context, @Nullable windowBackend: WindowBackend?)Get an instance of the class initialized with and connected to the provided |
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Public methods |
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| DeviceState |
Get the current device state. |
| WindowLayoutInfo |
Get current window layout information for the associated |
| Unit |
registerDeviceStateChangeCallback(@NonNull executor: Executor, @NonNull callback: Consumer<DeviceState!>)Register a callback for device state changes. |
| Unit |
registerLayoutChangeCallback(@NonNull executor: Executor, @NonNull callback: Consumer<WindowLayoutInfo!>)Register a callback for layout changes of the window of the current visual |
| Unit |
unregisterDeviceStateChangeCallback(@NonNull callback: Consumer<DeviceState!>)Unregister a callback for device state changes. |
| Unit |
unregisterLayoutChangeCallback(@NonNull callback: Consumer<WindowLayoutInfo!>)Unregister a callback for window layout changes of the window. |
Public constructors
<init>
WindowManager(
@NonNull context: Context,
@Nullable windowBackend: WindowBackend?)
Get an instance of the class initialized with and connected to the provided Context. All methods of this class will return information that is associated with this visual context.
| Parameters | |
|---|---|
context |
Context: A visual context, such as an Activity or a ContextWrapper around one, to use for initialization. |
windowBackend |
WindowBackend?: Backing server class that will provide information for this instance. Pass a custom WindowBackend implementation for testing, or null to use the default implementation. |
Public methods
getWindowLayoutInfo
@NonNull fun getWindowLayoutInfo(): WindowLayoutInfo
Get current window layout information for the associated Context. Must be called only after the it is attached to the window and the layout pass has happened.
registerDeviceStateChangeCallback
fun registerDeviceStateChangeCallback(
@NonNull executor: Executor,
@NonNull callback: Consumer<DeviceState!>
): Unit
Register a callback for device state changes.
registerLayoutChangeCallback
fun registerLayoutChangeCallback(
@NonNull executor: Executor,
@NonNull callback: Consumer<WindowLayoutInfo!>
): Unit
Register a callback for layout changes of the window of the current visual Context. Must be called only after the it is attached to the window.
See Also
unregisterDeviceStateChangeCallback
fun unregisterDeviceStateChangeCallback(@NonNull callback: Consumer<DeviceState!>): Unit
Unregister a callback for device state changes.
unregisterLayoutChangeCallback
fun unregisterLayoutChangeCallback(@NonNull callback: Consumer<WindowLayoutInfo!>): Unit
Unregister a callback for window layout changes of the window.