Java tutorial
//package com.java2s; /* * Copyright (C) 2016 Piotr Krystyniak * * 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; public class Main { private static final String RETAIN_FRAGMENT_TAG = "retain_fragment"; @NonNull private static String getTag(@NonNull Object object) { return RETAIN_FRAGMENT_TAG + object.getClass().getCanonicalName(); } }