private static int indexOfSpecialKey(CharSequence string, int startIndex) {
    for (int i = startIndex; i < string.length(); i++) {
      if (AndroidKeys.hasAndroidKeyEvent(string.charAt(i))) {
        return i;
      }
    }
    return string.length();
  }
Returns a {@code Keyboard} object which sends key using this {@code KeySender}.
selendroid-server/src/main/java/io/selendroid/server/android/InstrumentedKeySender.java