Java tutorial
/* * Copyright (c) 2015-present Victor Hidalgo Lorenzo * * 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.example.app.view.activity; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentTransaction; import android.support.v7.app.AppCompatActivity; import com.example.app.navigation.Navigator; import javax.inject.Inject; /** * Base {@link android.app.Activity} class for every Activity in this application. */ public abstract class BaseActivity extends AppCompatActivity { @Inject Navigator navigator; /** * Adds a {@link Fragment} to this activity's layout. * * @param containerViewId The container view to where add the fragment. * @param fragment The fragment to be added. */ protected void addFragment(int containerViewId, Fragment fragment) { FragmentTransaction fragmentTransaction = this.getSupportFragmentManager().beginTransaction(); fragmentTransaction.add(containerViewId, fragment, fragment.getClass().getName()); fragmentTransaction.commit(); } }