Function SafeConvertToJString

src/platform/android/JStringUtil.cpp:27–42

* There is a known bug in env->NewStringUTF which will lead to crash in some devices. * So we use this method instead. */

 * So we use this method instead.
 */
jstring SafeConvertToJString(JNIEnv* env, const std::string& text) {
  static Global<jclass> StringClass = env->FindClass("java/lang/String");
  static jmethodID StringConstructID =
      env->GetMethodID(StringClass.get(), "<init>", "([BLjava/lang/String;)V");
  auto array = env->NewByteArray(static_cast<jsize>(text.size()));
  if (array == nullptr) {
    return nullptr;
  }
  env->SetByteArrayRegion(array, 0, static_cast<jsize>(text.size()),
                          reinterpret_cast<const jbyte*>(text.data()));
  auto stringUTF = env->NewStringUTF("UTF-8");
  auto result = (jstring)env->NewObject(StringClass.get(), StringConstructID, array, stringUTF);
  env->DeleteLocalRef(array);
  env->DeleteLocalRef(stringUTF);
  return result;
}

std::string SafeConvertToStdString(JNIEnv* env, jstring jText) {
  if (jText == nullptr) {