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.runner.lifecycle;
  
  import android.app.Activity;
  
  /**
   * Callback for monitoring activity lifecycle events. These callbacks are invoked on the main
   * thread, so any long operations or violating the strict mode policies should be avoided.
   */
  public interface ActivityLifecycleCallback {
  
    /**
     * Called on the main thread after an activity has processed its lifecycle change event (for
     * example onResume or onStart)
     *
     * @param activity The activity
     * @param stage its current stage.
     */
    public void onActivityLifecycleChanged(Activity activity, Stage stage);
  }
  