content: /*
   * Copyright (C) 2014 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.action;
  
  import android.app.Activity;
  import android.view.KeyEvent;
  import android.view.View;
  import androidx.test.espresso.UiController;
  
  /** Enables pressing KeyEvents on views. */
  public final class KeyEventAction extends KeyEventActionBase {
  
    public KeyEventAction(EspressoKey espressoKey) {
      super(espressoKey);
    }
  
    @Override
    public void perform(UiController uiController, View view) {
      Activity initialActivity = getCurrentActivity();
  
      super.perform(uiController, view);
  
      if (this.espressoKey.getKeyCode() == KeyEvent.KEYCODE_BACK) {
        // Wait for a Stage change of the initial activity.
        waitForStageChangeInitialActivity(uiController, initialActivity);
        // Wait until there are no other pending activities in a foreground stage.
        waitForPendingForegroundActivities(uiController, true /*conditional*/);
      }
    }
  }
  