ayushmaniac

val list = arrayListOf("Monday", "Tuesday","Wednesday", "Thursday", "Friday")
val commaSeparatedString = list.joinToString {it}

ayushmaniac

class Pizza {
  
  @Inject
  lateinit var pizzaBase : String
  
  @Inject
  lateinit var pizzaTopping : String
  
  override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)

ayushmaniac

@Component(modules = [PizzaStock::class])
interface PizzaComponent {

fun inject(pizzaClass : Pizza)

}

ayushmaniac

@Module
class PizzaStock {
  
  @Provides
  @Singleton
  fun providePizzaTopping() = Topping().toppingType = "Chicken"
  
  @Provides
  @Singleton
  fun providePizzaBase() = Base().pizzaBaseType = "CheeseBurst"

ayushmaniac

class Base {
  
  var pizzaBaseType : String? = null
  
}

ayushmaniac

class Pizza {
  
  var toppingType : Topping? = null,
  var baseType : Base? = null
  
  override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)
  setContentView(R.layout.pizza_activity)
  
  

ayushmaniac

class MainActivity : BaseActivity(){
  
 override fun provideLayoutId(): Int = R.layout.activity_main
  
 override fun setupView(savedInstanceState: Bundle?) {
   //do operations with views like this.
   //btnSubmit.setOnClickListener{
   //  Log.d("TAG", "CLICKED")
   //}
  }

ayushmaniac

abstract class BaseActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(provideLayoutId())
        setupView(savedInstanceState)
    }

    @LayoutRes
    protected abstract fun provideLayoutId(): Int

ayushmaniac

fun checkInternetConnection(context : Context) : Boolean {
  
val cm = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
        var activeNetworkInfo: NetworkInfo? = null
        activeNetworkInfo = cm.activeNetworkInfo
        return activeNetworkInfo != null && activeNetworkInfo.isConnectedOrConnecting
}