mohak1712

{
  "name": "learn-react-grpc",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "react": "^16.8.6",
    "react-dom": "^16.8.6",
    "react-scripts": "2.1.8",
    "@grpc/grpc-js": "^0.3.6",
    "google-protobuf": "^3.7.1",

mohak1712

import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';

const { PingPongServiceClient } = require('./ping_pong_grpc_web_pb');
const { PingRequest, PongResponse } = require('./ping_pong_pb.js');

var client = new PingPongServiceClient('http://localhost:9090', null, null);

class App extends Component {

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syntax = "proto3";

package pingpong;

message PingRequest {
    string ping = 1;
}

message PongResponse {
    string pong = 1;

mohak1712

import 'package:flutter/material.dart';

class MaterialDesignPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Material Design", textDirection: TextDirection.ltr),
        backgroundColor: Colors.green,
        actions: <Widget>[

mohak1712

import 'package:flutter/material.dart';
import 'material_design_page.dart';
void main() =>
    runApp(
        MaterialApp(home: MaterialDesignPage(),)
    );

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class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        button.setOnClickListener {
            GlobalScope.launch(context = Dispatchers.Main) {
                println("launched coroutine 1")
                delay(5000)
                println("Here after a delay of 5 seconds")

mohak1712

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        button.setOnClickListener {

            GlobalScope.launch(context = Dispatchers.Main) {
                println("launched coroutine 1")

mohak1712

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"

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public class UserDatabase {

   private static UserDatabase db;

   private UserDatabase(String nameOfDb){
     // create db here
   }

   public static UserDatabase getInstance(){
      if(db == null)

mohak1712

public class MainActivity extends AppCompatActivity {
 
    private Button mButton;
 
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);