WindowInfoTrackerCallbackAdapter

Added in 1.0.0

Kotlin |Java

public final class WindowInfoTrackerCallbackAdapter implements WindowInfoTracker

An adapted interface for WindowInfoTracker that allows listening for events via a callback shaped API.

Summary

Public constructors
`WindowInfoTrackerCallbackAdapter(@NonNull WindowInfoTracker tracker)`

Public methods
`final void`	`addWindowLayoutInfoListener( @NonNull Activity activity, @NonNull Executor executor, @NonNull Consumer<@NonNull WindowLayoutInfo> consumer )` Registers a listener to consume `WindowLayoutInfo` values of the `Activity` window.
`final void`	`addWindowLayoutInfoListener( @UiContext @NonNull Context context, @NonNull Executor executor, @NonNull Consumer<@NonNull WindowLayoutInfo> consumer )` Registers a `UiContext` listener to consume `WindowLayoutInfo` values.
`final void`	`removeWindowLayoutInfoListener( @NonNull Consumer<@NonNull WindowLayoutInfo> consumer )` Remove a listener to stop consuming `WindowLayoutInfo` values.

Inherited methods

From androidx.window.layout.WindowInfoTracker

`@NonNull List<@NonNull SupportedPosture>`	`getSupportedPostures()` Returns the `List` of SupportedPosture values.
`@NonNull Flow<@NonNull WindowLayoutInfo>`	`windowLayoutInfo(@NonNull Activity activity)` A Flow of `WindowLayoutInfo` that contains all the available features.
`@NonNull Flow<@NonNull WindowLayoutInfo>`	`windowLayoutInfo(@UiContext @NonNull Context context)` A Flow of `WindowLayoutInfo` that contains all the available features.

Public constructors

WindowInfoTrackerCallbackAdapter

Added in 1.0.0

public WindowInfoTrackerCallbackAdapter(@NonNull WindowInfoTracker tracker)

Public methods

addWindowLayoutInfoListener

Added in 1.0.0

public final void addWindowLayoutInfoListener(
    @NonNull Activity activity,
    @NonNull Executor executor,
    @NonNull Consumer<@NonNull WindowLayoutInfo> consumer
)

Registers a listener to consume WindowLayoutInfo values of the Activity window. If the same consumer is registered twice then this method is a no-op.

Parameters
`@NonNull Activity activity`	an `Activity` that hosts a Window.
`@NonNull Executor executor`	that the consumer will invoke on.
`@NonNull Consumer<@NonNull WindowLayoutInfo> consumer`	for `WindowLayoutInfo` values.

See also
`windowLayoutInfo`

addWindowLayoutInfoListener

Added in 1.1.0

public final void addWindowLayoutInfoListener(
    @UiContext @NonNull Context context,
    @NonNull Executor executor,
    @NonNull Consumer<@NonNull WindowLayoutInfo> consumer
)

Registers a UiContext listener to consume WindowLayoutInfo values. If the same consumer is registered twice then this method is a no-op.

Parameters
`@UiContext @NonNull Context context`	a `UiContext` such as an `Activity`, created with Context#createWindowContext or is a `InputMethodService`.
`@NonNull Executor executor`	that the consumer will invoke on.
`@NonNull Consumer<@NonNull WindowLayoutInfo> consumer`	for `WindowLayoutInfo` values.

See also
`windowLayoutInfo`

removeWindowLayoutInfoListener

Added in 1.0.0

public final void removeWindowLayoutInfoListener(
    @NonNull Consumer<@NonNull WindowLayoutInfo> consumer
)

Remove a listener to stop consuming WindowLayoutInfo values. If the listener has already been removed then this is a no-op.

See also
`windowLayoutInfo`