Java tutorial
//package com.java2s; /* * Copyright (c) 2016 yvolk (Yuri Volkov), http://yurivolkov.com * * 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.os.Bundle; import android.support.annotation.NonNull; import android.text.TextUtils; public class Main { public static Bundle toBundle(String key, Long value) { return toBundle(null, key, value); } /** * Removes key if value is null */ @NonNull public static Bundle toBundle(Bundle bundleIn, String key, Long value) { Bundle bundle = bundleIn == null ? new Bundle() : bundleIn; if (!TextUtils.isEmpty(key)) { if (value == null) { bundle.remove(key); } else { bundle.putLong(key, value); } } return bundle; } }