Java tutorial
//package com.java2s; /* * Copyright 2016, The Android Open Source Project * * 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. */ import android.support.annotation.NonNull; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import java.util.List; import static com.google.common.base.Preconditions.checkNotNull; public class Main { /** * The {@code fragment} is added to the container view with id {@code frameId}. The operation is * performed by the {@code fragmentManager}. * */ public static void addFragmentToActivity(@NonNull FragmentManager fragmentManager, @NonNull Fragment fragment, int frameId) { checkNotNull(fragmentManager); checkNotNull(fragment); FragmentTransaction transaction = fragmentManager.beginTransaction(); transaction.replace(frameId, fragment); transaction.commit(); } /** * The {@code fragment} is added to the container view with id {@code frameId}. The operation is * performed by the {@code fragmentManager}. * */ public static void addFragmentToActivity(@NonNull FragmentManager fragmentManager, @NonNull List<Fragment> fragmentArray, List<Integer> frameIdArray) { checkNotNull(fragmentManager); for (Fragment item : fragmentArray) { checkNotNull(item); } FragmentTransaction transaction = fragmentManager.beginTransaction(); for (int i = 0; i < fragmentArray.size(); i++) { transaction.replace(frameIdArray.get(i), fragmentArray.get(i)); } transaction.commit(); } }