Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright (C) 2014 The AppCan Open Source Project.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
    
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import java.io.DataOutputStream;
import java.io.File;

import java.io.OutputStream;

public class Main {
    static boolean isSilent = true;

    public static boolean deviceBeRoot() {
        if (isSilent) {
            return isRootSystem();
        }
        int i = execRootCmdSilent("echo test");
        if (i != -1) {
            return true;
        }
        return false;
    }

    public static boolean isRootSystem() {
        String paths[] = { "/system/bin/", "/system/xbin/", "/system/sbin/", "/sbin/", "/vendor/bin/" };
        try {
            File file = null;
            String su = "su";
            for (String dir : paths) {
                file = new File(dir + su);
                if (file != null && file.exists()) {
                    return true;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    public static int execRootCmdSilent(String cmd) {
        try {
            Process p = Runtime.getRuntime().exec("su ");
            Object obj = p.getOutputStream();
            DataOutputStream dOutStream = new DataOutputStream((OutputStream) obj);
            String str = String.valueOf(cmd);
            obj = str + "\n";
            dOutStream.writeBytes((String) obj);
            dOutStream.flush();
            dOutStream.writeBytes("exit\n");
            dOutStream.flush();
            p.waitFor();
            int result = p.exitValue();
            return (Integer) result;
        } catch (Exception e) {
            e.printStackTrace();
            return -1;
        }
    }
}