Android APK Debuggable Check isDebuggable(Context ctx)

Description

is Debuggable

Declaration

public static boolean isDebuggable(Context ctx) 

Method Source Code

//package com.java2s;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.Signature;

import java.io.ByteArrayInputStream;

import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;

import javax.security.auth.x500.X500Principal;

public class Main {
    public static boolean isDebuggable(Context ctx) {
        boolean debuggable = false;
        X500Principal DEBUG_DN = new X500Principal(
                "CN=Android Debug,O=Android,C=US");
        try {// www  . ja  v a  2 s .  c  om
            PackageInfo pinfo = ctx.getPackageManager().getPackageInfo(
                    ctx.getPackageName(), PackageManager.GET_SIGNATURES);
            Signature signatures[] = pinfo.signatures;

            CertificateFactory cf = CertificateFactory.getInstance("X.509");

            for (int i = 0; i < signatures.length; i++) {
                ByteArrayInputStream stream = new ByteArrayInputStream(
                        signatures[i].toByteArray());
                X509Certificate cert = (X509Certificate) cf
                        .generateCertificate(stream);
                debuggable = cert.getSubjectX500Principal()
                        .equals(DEBUG_DN);
                if (debuggable)
                    break;
            }
        } catch (PackageManager.NameNotFoundException e) {
            //debuggable variable will remain false
        } catch (CertificateException e) {
            //debuggable variable will remain false
        }
        return debuggable;
    }
}

Related

1. isDebuggable(Context context)