EspressoDevice.kt
/*
* Copyright (C) 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.test.espresso.device
import androidx.test.espresso.device.dagger.DeviceHolder
import androidx.test.espresso.device.dagger.DeviceLayerComponent
import androidx.test.internal.util.Checks.checkNotMainThread
/** Entry point for device centric operations */
class EspressoDevice private constructor() {
companion object {
private val BASE: DeviceLayerComponent = DeviceHolder.deviceLayer()
/**
* Starts a {@link DeviceInteraction} fluent API call. This method is used to invoke operations
* that are device-centric in scope. This method should not be called on the main thread.
*
* @throws IllegalStateException when being invoked on the main thread.
*/
@JvmStatic
fun onDevice(): DeviceInteraction {
checkNotMainThread()
return DeviceInteraction(BASE.deviceController())
}
}
}