Method that check root access of the device. - Android Android OS

Android examples for Android OS:Root

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Description

Method that check root access of the device.

Demo Code


//package com.java2s;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;

public class Main {
    /**//  w  w  w  .j  av  a 2  s  .  c  o m
     * Method that check root access of the device.
     *
     * @return true or false.
     */
    public static boolean isDeviceRooted() {
        return checkFromBuildInfo() || checkForSuperUserApk()
                || canExecuteCommand();
    }

    private static boolean checkFromBuildInfo() {
        String buildTags = android.os.Build.TAGS;
        return buildTags != null && buildTags.contains("test-keys");
    }

    private static boolean checkForSuperUserApk() {
        String[] paths = { "/system/app/Superuser.apk", "/sbin/su",
                "/system/bin/su", "/system/xbin/su", "/data/local/xbin/su",
                "/data/local/bin/su", "/system/sd/xbin/su",
                "/system/bin/failsafe/su", "/data/local/su" };
        for (String path : paths) {
            if (new File(path).exists()) {
                return true;
            }
        }
        return false;
    }

    private static boolean canExecuteCommand() {
        Process process = null;
        try {
            process = Runtime.getRuntime().exec(
                    new String[] { "/system/xbin/which", "su" });
            BufferedReader in = new BufferedReader(new InputStreamReader(
                    process.getInputStream()));
            return in.readLine() != null;
        } catch (Throwable t) {
            return false;
        } finally {
            if (process != null) {
                process.destroy();
            }
        }
    }
}

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