Here you can find the source of w(String tag, String msg, Throwable tr)
public static int w(String tag, String msg, Throwable tr)
//package com.java2s; /*/* w w w . ja v a 2 s. c o m*/ * Copyright (C) 2013 FMSoft (http://www.fmsoft.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 android.util.Log; public class Main { private final static int sLogLevel = Log.VERBOSE; public static int w(String tag, String msg) { return println(Log.WARN, tag, msg); } public static int w(String tag, String msg, Throwable tr) { return println(Log.WARN, tag, msg + '\n' + getStackTraceString(tr)); } public static int w(String tag, Throwable tr) { return println(Log.WARN, tag, getStackTraceString(tr)); } public static int println(int priority, String tag, String msg) { //if (Log.isLoggable(tag, priority)) { if (priority >= sLogLevel) { return Log.println(priority, tag, msg); } else { return 0; } } public static String getStackTraceString(Throwable tr) { return Log.getStackTraceString(tr); } }