Java tutorial
/* * Copyright (C) 2016 Oleg Kan * * 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.simplaapliko.trips.presentation.activity; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import com.simplaapliko.trips.App; import com.simplaapliko.trips.R; import com.simplaapliko.trips.di.component.ActivityComponent; import com.simplaapliko.trips.di.component.ApplicationComponent; public abstract class BaseActivity extends AppCompatActivity { private ActivityComponent mActivityComponent; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); int contentView = getContentView(); setContentView(contentView); // set up toolbar Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); mActivityComponent = App.get().getComponent().plusActivityComponent(); } public ActivityComponent activityComponent() { return mActivityComponent; } protected ApplicationComponent getAppComponent() { return App.get().getComponent(); } protected void addFragment(int containerViewId, Fragment fragment) { getSupportFragmentManager().beginTransaction() .add(containerViewId, fragment, fragment.getClass().getSimpleName()).commit(); } protected void addFragmentToBackStack(int containerViewId, Fragment fragment) { getSupportFragmentManager().beginTransaction() .replace(containerViewId, fragment, fragment.getClass().getSimpleName()) .addToBackStack(fragment.getClass().getSimpleName()).commit(); } protected int getContentView() { return R.layout.activity_base; } }