Java tutorial
//package com.java2s; /* * Copyright (C) 2012 www.amsoft.cn * * 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 java.util.Calendar; import android.content.Context; import android.util.Log; public class Main { public static boolean D = true; public static long startLogTimeInMillis = 0; public static void d(String tag, String message) { if (D) Log.d(tag, message); } public static void d(Context context, String message) { String tag = context.getClass().getSimpleName(); d(tag, message); } public static void d(Class<?> clazz, String message) { String tag = clazz.getSimpleName(); d(tag, message); } public static void d(String tag, String message, boolean printTime) { Calendar current = Calendar.getInstance(); long endLogTimeInMillis = current.getTimeInMillis(); Log.d(tag, message + ":" + (endLogTimeInMillis - startLogTimeInMillis) + "ms"); } public static void d(Context context, String message, boolean printTime) { String tag = context.getClass().getSimpleName(); d(tag, message, printTime); } public static void d(Class<?> clazz, String message, boolean printTime) { String tag = clazz.getSimpleName(); d(tag, message, printTime); } }