Java tutorial
/* * 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 pl.acieslinski.moviefun.fragments; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.view.View; import android.view.ViewGroup; /** * @author Arkadiusz Cieliski 09.12.15. * <acieslinski@gmail.com> */ public abstract class PortableFragment extends Fragment { @Nullable private ViewGroup mContainerToSwitch; @Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); if (mContainerToSwitch != null) { switchContainer(mContainerToSwitch); mContainerToSwitch = null; } } public void setContainer(ViewGroup container) { if (!switchContainer(container)) { mContainerToSwitch = container; } } private boolean switchContainer(ViewGroup container) { View view = getView(); boolean changed = false; if (view != null) { ViewGroup parent = (ViewGroup) view.getParent(); if (parent != null) { parent.removeView(view); changed = true; } container.addView(view); } return changed; } }