Java tutorial
/* * Copyright (C) 2015 Haruki Hasegawa * * 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 bulat.diet.helper_sport.common.fragment; import android.os.Bundle; import android.support.v4.app.Fragment; import bulat.diet.helper_sport.common.data.AbstractDataProvider; import bulat.diet.helper_sport.common.data.ExampleDataProvider; public class ExampleDataProviderFragment extends Fragment { private AbstractDataProvider mDataProvider; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); // keep the mDataProvider instance mDataProvider = new ExampleDataProvider(); } public AbstractDataProvider getDataProvider() { return mDataProvider; } }