senamit2708

package com.example.coroutinelearning.entity

sealed class Employee //there is no need of {}, its optional
//if you use {}, u have to call class with use of Employee class, like Employee.Manager from fragment/activity. else u will be
//able to directly call it.
data class Manager(val name: String, val age: Int, val team: List<String>) : Employee()
class SeniorDev(val name: String, val age: Int, val project: String) : Employee()
object JuniorDev : Employee()

senamit2708

  class SealedLearningFrag: Fragment(), View.OnClickListener{
        
        
        override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        binding.btnEmployee.setOnClickListener(this)
        binding.btnManager.setOnClickListener(this)
        binding.btnJuniorDev.setOnClickListener(this)
    }
    

senamit2708

package com.example.coroutinelearning.fragments

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.lifecycle.Observer
import com.example.coroutinelearning.databinding.NewUserEntryBinding

senamit2708

package com.example.coroutinelearning.fragments

import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import com.example.coroutinelearning.databinding.ByDelegateLearningBinding

senamit2708

package com.example.coroutinelearning.viewModels.learning

import android.app.Application
import androidx.lifecycle.ViewModel
import androidx.lifecycle.ViewModelProvider
import com.example.coroutinelearning.repositories.MyRepositoryTwo
import java.lang.IllegalArgumentException

class MyAndroidViewModelFactoryFour(
    private val application: Application,

senamit2708

package com.example.coroutinelearning.database

import android.content.Context
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase
import com.example.coroutinelearning.entity.User

@Database(entities = [User::class], version = 1, exportSchema = false)
abstract class AppDatabase: RoomDatabase() {

senamit2708

//fragment

private lateinit var binding: DashboardBinding


    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {

senamit2708

class MainActivity : AppCompatActivity() {

    private lateinit var navHostFragment: NavHostFragment
    private lateinit var appBarConfiguration: AppBarConfiguration

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        val binding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)

senamit2708

package basics


/*
1. structure equality  -> == or equals -> both are same here -> value comp -> equality of 2 object in terms of value
2. reference equality -> === -> memory location comparison -> two reference variable points to same object

negative of == ->  !=
negative of === -> !==

senamit2708

/*
there are five types of scope functions: makes your code clear, concise and more readable
with
let
run
apply
also

two main difference between them
1. the way to refer the context object -> either this or it