final Context context;

public MyHttpsClient(Context context) {
    this.context = context;
}

@Override
protected ClientConnectionManager createClientConnectionManager() {
    SchemeRegistry registry = new SchemeRegistry();
    registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
    // Register for port 443 our SSLSocketFactory with our keystore
    // to the ConnectionManager
    registry.register(new Scheme("https", newSslSocketFactory(), 443));
    return new SingleClientConnManager(getParams(), registry);
}

private SSLSocketFactory newSslSocketFactory() {
    try {
        // Get an instance of the Bouncy Castle KeyStore format
        KeyStore trusted = KeyStore.getInstance("BKS");
        // Get the raw resource, which contains the keystore with
        // your trusted certificates (root and any intermediate certs)
        InputStream in = context.getResources().openRawResource(R.raw.mykeystore);
        try {
            // Initialize the keystore with the provided trusted certificates
            // Also provide the password of the keystore
            trusted.load(in, "testpassword".toCharArray());
        } finally {
            in.close();
        }
        // Pass the keystore to the SSLSocketFactory. The factory is responsible
        // for the verification of the server certificate.
        SSLSocketFactory sf = new SSLSocketFactory(trusted);
        // Hostname verification from certificate
        // http://hc.apache.org/httpcomponents-client-ga/tutorial/html/connmgmt.html#d4e506
        sf.setHostnameVerifier(SSLSocketFactory.STRICT_HOSTNAME_VERIFIER);
        return sf;
    } catch (Exception e) {
        throw new AssertionError(e);
    }
}

DefaultHttpClient httpClient = new MyHttpsClient(context);
HttpConnectionParams.setConnectionTimeout(httpClient.getParams(), 30000);
HttpContext localContext = new BasicHttpContext();
HttpPost httpPost = new HttpPost(url);
httpPost.setHeader("Accept", "application/json");
httpPost.setHeader("Content-type", "application/json");
httpPost.setEntity(new StringEntity(jsonString));

response = httpClient.execute(httpPost, localContext);
HttpEntity entity = response.getEntity();
httpresponse = getResponse(entity);