LiewJunTung

#include "calculator_impl.hpp"
#include <string>

namespace calculator{
    std::shared_ptr<Calculator> Calculator::create() {
        return std::make_shared<CalculatorImpl>();
    }
  
    CalculatorImpl::CalculatorImpl() {}
  

LiewJunTung

#include "calculator_impl.hpp"
#include <iostream>

using namespace std;
using namespace calculator;

int main(int argc, char const *argv[])
{
	CalculatorImpl calculator = CalculatorImpl();
	int sum = calculator.summation(1, 2);

LiewJunTung

cmake_minimum_required(VERSION 3.4.1)

file(GLOB calculator_sources
    ../../djinni/support-lib/jni/*.cpp
    ../../generated/jni/*.cpp
    ../../src/cpp/*.cpp
)

add_library( # Sets the name of the library.
             calculator

LiewJunTung

package org.gdgkl.androidapplication;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import com.example.yourcompany.Calculator;

public class MainActivity extends AppCompatActivity {

LiewJunTung

calculator =
interface +c {
    # create() is to create an instance of the calculator
    static create(): calculator;
    # summation, adding two i32.. aka integers together. And return an integer.
    summation(number1: i32, number2: i32):i32;

    # look at me, a subtraction method! :)
    subtraction(number1: i32, number2: i32):i32;
}

LiewJunTung

#include "calculator_impl.hpp"
#include <string>


namespace calculator{
    std::shared_ptr<Calculator> Calculator::create() {
        return std::make_shared<CalculatorImpl>();
    }

    CalculatorImpl::CalculatorImpl() {

LiewJunTung

/*
 * This file was generated by the Gradle 'init' task.
 *
 * This is a general purpose Gradle build.
 * Learn how to create Gradle builds at https://guides.gradle.org/creating-new-gradle-builds/
 */

group 'org.netvirta'
version '0.0.1-SNAPSHOT'

LiewJunTung

xcodebuild -project HelloFramework.xcodeproj -target HelloFramework -sdk iphonesimulator11.2

LiewJunTung

void CalculatorAndroidImpl::hello(const std::string &text) {
        __android_log_print(ANDROID_LOG_DEBUG, "Calculator",
                                "Calculator", text);
}

LiewJunTung

namespace djinni {
  struct ByteBuffer {
        using CppType = int8_t *;
        using JniType = jobject;

        static CppType toCpp(JNIEnv* env, JniType j) {
            return (int8_t *) env->GetDirectBufferAddress(j);
        }

        static JniType fromCpp(JNIEnv *env, CppType c) {