harshpyati

class RetroRepo {
    val webservice: ApiInterface
    init {
        val builder = Retrofit.Builder()
            .baseUrl("https://apodapis.herokuapp.com/")
            .addConverterFactory(GsonConverterFactory.create(GsonBuilder().create()))
            .build()

        webservice = builder.create(ApiInterface::class.java)
    }

harshpyati

data class Photos(
    val apod_site: String = "",
    val copyright: String = "",
    val date: String = "",
    val description: String = "",
    val hdurl: String = "",
    val media_type: String = "",
    val title: String = "",
    val url: String = ""
)

harshpyati

interface ApiInterface {
    @GET("/api/")
    suspend fun getPhotos() : Photos
}

harshpyati

dependencies{
    /* YOUR EXISTING DEPENDENCIES */
    implementation 'com.squareup.retrofit2:retrofit:2.6.2'
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.5'
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.5'
    implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.3.0-alpha01"
    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
    implementation 'androidx.core:core-ktx:1.2.0'
}

harshpyati

data class UserModel(
	val userName : String?,
	val userEmailId: String?,
	val uuid: String?,
	val accountCreatedAt: String?,
)

harshpyati

import 'dart:html';
import 'dart:async';

void main(){
	 final InputElement input = querySelector('input');
  
  final DivElement div = querySelector('div');
  
  final validator = new StreamTransformer.fromHandlers(
  	handleData: (inputValue,sink){

harshpyati

// Model a Chocolate Cake factory using Streams

import 'dart:async';

void main(){
  final controller = new StreamController();
  
  /*once the controller is created, it gets 2 attributes
  1. Sink - The order taker
  2. Factory - Where the processing is done*/

harshpyati

import 'dart:html';

void main(){
  final ButtonElement button = querySelector('button');
  
  // Game: Click the button atleast once in a second otherwise you lose it
  
  button.onClick
    .timeout(
  		new Duration(seconds: 1),

harshpyati

import 'dart:async';

main() async{
  /*print('About to fetch the data');
  get('http:/dkjsbkdsjbdl')
    .then((result){
      print(result);
    });
  */
  // Async Await Syntax:

harshpyati

import 'dart:convert';

class ImageModel{
  int id;
  String url;
  
  ImageModel(this.id,this.url);
  ImageModel.fromJson(parsedJson){
    this.id = parsedJson['id'];
    this.url = parsedJson['url'];