Java tutorial
//package com.java2s; /***************************************************************************** * Util.java ***************************************************************************** * Copyright 2011-2014 VLC authors and VideoLAN * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class Main { /** * Writes the current app logcat to a file. * * @param filename The filename to save it as * @throws IOException */ public static void writeLogcat(String filename) throws IOException { String[] args = { "logcat", "-v", "time", "-d" }; Process process = Runtime.getRuntime().exec(args); InputStreamReader input = new InputStreamReader(process.getInputStream()); OutputStreamWriter output = new OutputStreamWriter(new FileOutputStream(filename)); BufferedReader br = new BufferedReader(input); BufferedWriter bw = new BufferedWriter(output); String line; while ((line = br.readLine()) != null) { bw.write(line); bw.newLine(); } bw.close(); output.close(); br.close(); input.close(); } }