Java tutorial
//package com.java2s; /* * Copyright (c) 2013. wyouflf (wyouflf@gmail.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.text.TextUtils; public class Main { public static String customTagPrefix = "x_log"; private static String generateTag() { StackTraceElement caller = new Throwable().getStackTrace()[2]; String tag = "%s.%s(L:%d)"; String callerClazzName = caller.getClassName(); callerClazzName = callerClazzName.substring(callerClazzName.lastIndexOf(".") + 1); tag = String.format(tag, callerClazzName, caller.getMethodName(), caller.getLineNumber()); tag = TextUtils.isEmpty(customTagPrefix) ? tag : customTagPrefix + ":" + tag; return tag; } }