WindowAreaSessionCallback.kt
/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.window.area
import androidx.window.core.ExperimentalWindowApi
/**
* Callback to update the client on the WindowArea Session being
* started and ended.
* TODO(b/207720511) Move to window-java module when Kotlin API Finalized
*/
@ExperimentalWindowApi
interface WindowAreaSessionCallback {
/**
* Notifies about a start of a session. Provides a reference to the current [WindowAreaSession]
* the application the ability to close the session through [WindowAreaSession.close].
*/
fun onSessionStarted(session: WindowAreaSession)
/**
* Notifies about an end of a [WindowAreaSession].
*
* @param t [Throwable] to provide information on if the session was ended due to an error.
* This will only occur if a session is attempted to be enabled when it is not available, but
* can be expanded to alert for more errors in the future.
*/
fun onSessionEnded(t: Throwable?)
}