java/dagger/android/DaggerActivity.java

/*
 * Copyright (C) 2016 The Dagger Authors.
 *
 * 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 dagger.android;

import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;
import androidx.annotation.Nullable;
import dagger.internal.Beta;
import javax.inject.Inject;

/**
 * An {@link Activity} that injects its members in {@link #onCreate(Bundle)} and can be used to
 * inject {@link Fragment}s attached to it.
 */
@Beta
public abstract class DaggerActivity extends Activity implements HasAndroidInjector {

  @Inject DispatchingAndroidInjector<Object> androidInjector;

  @Override
  protected void onCreate(@Nullable Bundle savedInstanceState) {
    AndroidInjection.inject(this);
    super.onCreate(savedInstanceState);
  }

  @Override
  public AndroidInjector<Object> androidInjector() {
    return androidInjector;
  }
}