rommansabbir

/**
 * Add an action which will be invoked when the text is changing.
 *
 * @return the [SearchView.OnQueryTextListener] added to the [SearchView]
 */
inline fun SearchView.doAfterTextChanged(
    delay: Long = 500,
    crossinline onTextChangedDelayed: (text: String) -> Unit
) = doOnQueryTextListener(delay, onTextChangedDelayed)

rommansabbir

object ExecutionLocker {
    private const val LOGGER = "ExecutionLocker:: isExecutionLocked -> "

    // Hold the state of locking
    private var isLockingEnabled: Boolean = false

    // Get locking status
    val isLocked: Boolean
        get() = isLockingEnabled

rommansabbir

@ControllerAdvice
class APIExceptionHandler {
    companion object {
        /**
         * Register all kind of Exceptions here
         */
        private var exceptionListHolder: MutableMap<Class<*>, HttpStatus> = HashMap<Class<*>, HttpStatus>().apply {
            put(NullPointerException::class.java, HttpStatus.NOT_FOUND)
            put(NoSuchElementException::class.java, HttpStatus.NOT_FOUND)
            put(MethodArgumentTypeMismatchException::class.java, HttpStatus.BAD_REQUEST)

rommansabbir

/**
 * Add an action which will be invoked when the text is changing.
 *
 * @return the [EditText.onTextChangeListener] added to the [EditText]
 */
inline fun EditText.doAfterTextChanged(
    delay: Long = 500,
    crossinline onTextChangedDelayed: (text: String) -> Unit
) = onTextChangeListener(delay, onTextChangedDelayed)

rommansabbir

/*
 * Copyright (c) 2017 Emil Davtyan
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:

rommansabbir

/**
 * Extension functions that fire [CoroutineScope] (support: [Dispatchers.IO], [Dispatchers.Main], [Dispatchers.Default]) respective to [AppCompatActivity]/[Fragment]/[ViewModel].
 * Functions are called under the parent [CoroutineScope] of respective [AppCompatActivity]/[Fragment]/[ViewModel],
 * So if the parent is no longer exists, cancel any ongoing operation automatically.
 */

private suspend fun CoroutineScope.executeBody(block: suspend CoroutineScope.() -> Unit) {
    try {
        block.invoke(this)
    } catch (e: Exception) {

rommansabbir

inline fun <T : Adapter> AdapterView<T>.registerForAdapterEventListener(
    crossinline itemListener: (parent: AdapterView<*>, view: View, position: Int, id: Long) -> Unit,
) = doOnItemSelectedListener(itemListener, {})

inline fun <T : Adapter> AdapterView<T>.registerForAdapterEventListener(
    crossinline itemListener: (parent: AdapterView<*>, view: View, position: Int, id: Long) -> Unit,
    crossinline nothingListener: (parent: AdapterView<*>) -> Unit = {},
) = doOnItemSelectedListener(itemListener, nothingListener)

rommansabbir

class FacadeDesignPattern {
    companion object {
        @JvmStatic
        fun main(args: Array<String>) {
            try {
                if (FacadeOrderManager.getInstance.createOrder("1")) {
                    println("Order Successful")
                }
            } catch (e: Exception) {
                println("Error while placing order: ${e.message}")

rommansabbir

class AdapterDesignPattern {
    companion object {
        @JvmStatic
        fun main(args: Array<String>) {
            println(CSVAdapterImpl(CSVFormatterImpl()).formatText("Hello. Romman Sabbir. How are you?."))
        }
    }
}

/**

rommansabbir

class DecoratorDesignPattern {
    companion object {
        @JvmStatic
        fun main(args: Array<String>) {
            val rose = RoseBouquet()
            println("Without customization = ${rose.description}, ${rose.cost()}")
            val roseWrapper = PaperWrapper(rose)
            println("With customization = ${roseWrapper.description}, ${roseWrapper.cost()}")

            val orchid = OrchidBouquet()