Java tutorial
/* * Copyright (C) 2013 Square, Inc. * * 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 apt.addiction.ui; import android.location.LocationManager; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import apt.addiction.ActivityModule; import apt.addiction.DemoApplication; import javax.inject.Inject; public class HomeActivity extends FragmentActivity { @Inject LocationManager locationManager; private HomeComponent component; HomeComponent component() { if (component == null) { component = DaggerHomeComponent.builder() .applicationComponent(((DemoApplication) getApplication()).component()) .activityModule(new ActivityModule(this)).build(); } return component; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); component().inject(this); if (savedInstanceState == null) { getSupportFragmentManager().beginTransaction().add(android.R.id.content, new HomeFragment()).commit(); } } }