MainThreadExecutor.kt
/*
* Copyright 2023 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.camera.impl.utils.executor
import android.os.Handler
import android.os.Looper
import java.util.concurrent.Executor
import java.util.concurrent.ScheduledExecutorService
/**
* Helper class for retrieving an [ScheduledExecutorService] which will post to the main
* thread.
*
* Since [ScheduledExecutorService] implements [Executor], this can also be used
* as a simple Executor.
*/
internal class MainThreadExecutor {
companion object {
val instance: ScheduledExecutorService by lazy {
HandlerScheduledExecutorService(
Handler(Looper.getMainLooper())
)
}
}
}