gistfile1.java

private InputStream makeRequest(Context context, URL url) {
  AssetManager assetManager       = context.getAssets();
  InputStream keyStoreInputStream = assetManager.open("yourapp.store");
  KeyStore trustStore             = KeyStore.getInstance("BKS");

  trustStore.load(keyStoreInputStream, "somepass".toCharArray());

  TrustManagerFactory tmf = TrustManagerFactory.getInstance("X509");
  tmf.init(trustStore);

  SSLContext sslContext = SSLContext.getInstance("TLS");
  sslContext.init(null, tmf.getTrustManagers(), null);

  HttpsURLConnection urlConnection = (HttpsURLConnection)url.openConnection();
  urlConnection.setSSLSocketFactory(sslContext.getSocketFactory());

  return urlConnection.getInputStream();
}