ActivityUtils.java

/*
 * Copyright 2012 Kevin Sawicki <kevinsawicki@gmail.com>
 *
 * 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 com.github.kevinsawicki.wishlist;

import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
import static android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP;
import android.app.Activity;
import android.content.Intent;

/**
 * Utilities for an {@link Activity}
 */
public class ActivityUtils {

  /**
   * Finish the given activity and start a home activity class.
   * <p>
   * This mirror the behavior of the home action bar button that clears the
   * current activity and starts or brings another activity to the top.
   *
   * @param activity
   * @param homeActivityClass
   */
  public static void goHome(Activity activity, Class<?> homeActivityClass) {
    activity.finish();
    Intent intent = new Intent(activity, homeActivityClass);
    intent.addFlags(FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP);
    activity.startActivity(intent);
  }
}