PaymentModule.java

package com.games_plaza;

import com.globalcharge.android.PaymentListener;
import com.globalcharge.android.BillingManager;
import com.globalcharge.android.products.Product;
import com.globalcharge.android.Environment;


import android.support.v7.app.AppCompatActivity;
import android.content.pm.PackageManager;
import android.widget.Toast;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Looper;

import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.ReactActivity;


import java.util.List;
import java.util.Random;

public class PaymentModule extends ReactContextBaseJavaModule {

    public PaymentModule(ReactApplicationContext reactContext) {
        super(reactContext);
    }

    @Override
    public String getName() {
        return "PaymentModule";
    }

    private class MobilePaymentActivity extends AppCompatActivity implements PaymentListener {
        private String message;
        private BillingManager billingManager;
        private Product selectedProduct;
        //The handler is essential for the callbacks to the UI thread.by the BillingManager class.
        private Handler mHandler = new Handler();
        private long selectedAccount;
        private String endUserId, clientAppVersion;
    
        public void onFailure(String message) {
        }

        public void onProductsReceived(List products) {
            Toast.makeText(getReactApplicationContext(), "On Products received called", Toast.LENGTH_LONG).show();
        }

        public void onProductSelected(Product product) {
        }

        public void onCancelled() {
        }

        public void onSuccess(int subscriptionID) {
        }

        public void onPaymentStateChanged(String state) {
        }

        public void onSubscriptionCancelSuccess(String a, String b, String c) {
        }

        public void onSubscriptionCancelFailure(String a, String b, String c) {
        }

        public void requestSubscription() {
            // instantiate the BillingManager with the current context.
            boolean isOneStepBilling = true;
            billingManager = new BillingManager(getReactApplicationContext(), mHandler);
            //TODO remove this line when going to production.
            billingManager.setTestUrl("http://inappdev.globalcharge.com:8040/inappservices_silent/rest");
            billingManager.setEnvironment(Environment.PRODUCTION);
            billingManager.registerPaymentListener(this);
            try {
                Toast.makeText(getReactApplicationContext(), "Your Selection is registered. Please wait...", Toast.LENGTH_LONG).show();
                selectedAccount = 9444999;
                endUserId = "testUser1";
                clientAppVersion = "0.0.1";
            } catch (Exception e) {
                // TODO Auto-generated catch block
            }
            // billingManager.registerPaymentListener(getReactApplicationContext());
            /****************************** START IMSI FAKING ****************************************/
            // This is code allows you to fake the handset so that it thinks there is a UK SIM in it, and will load UK products from our server,
            // this next 3 lines should be removed or disabled before generating the production app
            billingManager.setFakeTestMcc("234");
            billingManager.setFakeTestMnc("30");
            billingManager.setFakeTestImsi("234300902691112");
            boolean isPaymentBegan = billingManager.beginPayment(
                selectedAccount, endUserId, clientAppVersion,
                isOneStepBilling);
            if(isPaymentBegan) {
                Toast.makeText(getReactApplicationContext(), "Payment began true", Toast.LENGTH_LONG).show();
            } else {
                Toast.makeText(getReactApplicationContext(), "Payment began false", Toast.LENGTH_LONG).show();
            }
        }
    }

    // TestToast is a method that can be used to test if the integration b/w java and react is happening.
    @ReactMethod
    public void TestToast(String message) {
        Toast.makeText(getReactApplicationContext(), message, Toast.LENGTH_LONG).show();
    }

    @ReactMethod
    public void onSubscribeClicked() {
        MobilePaymentActivity mpa = new MobilePaymentActivity();
        mpa.requestSubscription();
    }
}