NativeExample.cpp

/*
 * @Author: khfahqp khfahqp@gmail.com
 * @LastEditors: khfahqp khfahqp@gmail.com
 * Copyright (c) 2026 by FlybirdGames, All Rights Reserved.
 */

#include <jni.h>
#include <libJTool/JTool.hpp>

extern "C" JNIEXPORT jint JNICALL
Java_com_example_NativeApi_parseNumber(JNIEnv* env, jclass, jstring text) {
    auto helper = jtool::JHelper::fromJniEnv(env);
    auto integerClass = helper.findClass(jtool::kInteger);
    auto method = helper.createMethod(
        integerClass,
        jtool::JavaType::kInt,
        "parseInt",
        "(Ljava/lang/String;)I",
        {jtool::JniObject::objectValue(text, jtool::JavaType::kStringObject)});

    jint result = 0;
    if (helper.invoke(method)) {
        result = helper.getReturnValue(method)->m_value.m_int;
    }

    return result;
}