akshaykalola28

import android.content.res.Resources

// Convert px to dp
val Int.dp: Int
    get() = (this / Resources.getSystem().displayMetrics.density).toInt()

//Convert dp to px
val Int.px: Int
    get() = (this * Resources.getSystem().displayMetrics.density).toInt()

akshaykalola28

val String.isDigitOnly: Boolean
    get() = matches(Regex("^\\d*\$"))

val String.isAlphabeticOnly: Boolean
    get() = matches(Regex("^[a-zA-Z]*\$"))

val String.isAlphanumericOnly: Boolean
    get() = matches(Regex("^[a-zA-Z\\d]*\$"))

akshaykalola28

import android.util.Log

fun Any?.printToLog(tag: String = "DEBUG_LOG") {
    Log.d(tag, toString())
}

akshaykalola28

import android.view.View

fun View.gone() = run { visibility = View.GONE }

fun View.visible() = run { visibility = View.VISIBLE }

fun View.invisible() = run { visibility = View.INVISIBLE }

infix fun View.visibleIf(condition: Boolean) =
    run { visibility = if (condition) View.VISIBLE else View.GONE }

akshaykalola28

import android.app.Activity
import android.widget.Toast
import androidx.annotation.StringRes
import androidx.fragment.app.Fragment

fun Fragment.toast(message: String) {
    Toast.makeText(requireContext(), message, Toast.LENGTH_LONG).show()
}

fun Fragment.toast(@StringRes message: Int) {

akshaykalola28

import android.view.View
import androidx.annotation.StringRes
import com.google.android.material.snackbar.Snackbar

fun View.snackbar(message: String, duration: Int = Snackbar.LENGTH_LONG) {
    Snackbar.make(this, message, duration).show()
}

fun View.snackbar(@StringRes message: Int, duration: Int = Snackbar.LENGTH_LONG) {
    Snackbar.make(this, message, duration).show()

akshaykalola28

import android.app.Activity
import android.view.View
import android.view.inputmethod.InputMethodManager
import androidx.fragment.app.Fragment

fun Activity.hideKeyboard() {
    val imm: InputMethodManager =
        getSystemService(Activity.INPUT_METHOD_SERVICE) as InputMethodManager
    val view = currentFocus ?: View(this)
    imm.hideSoftInputFromWindow(view.windowToken, InputMethodManager.HIDE_NOT_ALWAYS)

akshaykalola28

val Any?.isNull get() = this == null

akshaykalola28

fun Any?.ifNull(block: () -> Unit) = run {
    if (this == null) {
        block()
    }
}

akshaykalola28

import java.text.SimpleDateFormat
import java.util.*

fun String.toDate(format: String = "yyyy-MM-dd HH:mm:ss"): Date? {
    val dateFormatter = SimpleDateFormat(format, Locale.getDefault())
    return dateFormatter.parse(this)
}

fun Date.toStringFormat(format: String = "yyyy-MM-dd HH:mm:ss"): String {
    val dateFormatter = SimpleDateFormat(format, Locale.getDefault())