Check actual root status - Android Android OS

Android examples for Android OS:Root

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  2. Android
  3. Android OS
  4. Root

Description

Check actual root status

Demo Code


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

public class Main {
    /**/*from w ww. ja  va 2s.  c  o m*/
     * Check actual root status
     *
     * @return true, if rooted
     */
    public static boolean isDeviceRooted() {
        return checkRootMethod1() || checkRootMethod2()
                || checkRootMethod3();
    }

    private static boolean checkRootMethod1() {
        String buildTags = android.os.Build.TAGS;
        return buildTags != null && buildTags.contains("test-keys");
    }

    private static boolean checkRootMethod2() {
        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 checkRootMethod3() {
        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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