content: /*
   * Copyright 2017 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 android.app.servertransaction;
  
  import android.annotation.IntDef;
  
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  
  /**
   * Request for lifecycle state that an activity should reach.
   * @hide
   */
  public abstract class ActivityLifecycleItem extends ClientTransactionItem {
  
      @IntDef(prefix = { "UNDEFINED", "PRE_", "ON_" }, value = {
              UNDEFINED,
              PRE_ON_CREATE,
              ON_CREATE,
              ON_START,
              ON_RESUME,
              ON_PAUSE,
              ON_STOP,
              ON_DESTROY,
              ON_RESTART
      })
      @Retention(RetentionPolicy.SOURCE)
      public @interface LifecycleState{}
      public static final int UNDEFINED = -1;
      public static final int PRE_ON_CREATE = 0;
      public static final int ON_CREATE = 1;
      public static final int ON_START = 2;
      public static final int ON_RESUME = 3;
      public static final int ON_PAUSE = 4;
      public static final int ON_STOP = 5;
      public static final int ON_DESTROY = 6;
      public static final int ON_RESTART = 7;
  
      /** A final lifecycle state that an activity should reach. */
      @LifecycleState
      public abstract int getTargetState();
  
      /** Called by subclasses to make sure base implementation is cleaned up */
      @Override
      public void recycle() {
      }
  }
  