abircse

inline fun showMessegeDialogWithAction(ctx: Context, msg: String, btnTxtPositive: String, btnTxtNegative: String, crossinline onPositiveButtonClick: () -> Unit){
    val builder = AlertDialog.Builder(ctx)
    builder.setMessage(msg)
    builder.setIcon(android.R.drawable.ic_dialog_alert)
    builder.setPositiveButton(btnTxtPositive) { dialogInterface, which ->
        onPositiveButtonClick.invoke()
    }
    builder.setNegativeButton(btnTxtNegative) { dialogInterface, which ->
        dialogInterface.dismiss()
    }

abircse

inline fun tryCatch(onTry: () -> Unit, onCatch: (Exception) -> Unit) {
    try {
        onTry.invoke()
    } catch (e: Exception) {
        onCatch.invoke(e)
    }
}

abircse

1. Create this BaseLocalJsonParser Compenion object

object BaseLocalJsonParser {
    fun parseJSONData(context: Context, jsonFileName: String): String? {
        val JSONString: String?
        JSONString = try {
            val inputStream: InputStream = context.assets.open(jsonFileName)
            val sizeOfJSONFile: Int = inputStream.available()
            val bytes = ByteArray(sizeOfJSONFile)
            inputStream.read(bytes)

abircse

class BaseSharedPreference(context: Context) {

    var preferences: SharedPreferences =
            context.getSharedPreferences("your_choosen_preference_name", Context.MODE_PRIVATE)

    fun putData(key: String, data: Any) {

        preferences.let { pref ->
            try {
                when (data) {

abircse

object BaseFragmentController {

    fun load(fragment: Fragment, framelayout: Int, context: Context) {
        val transaction = (context as FragmentActivity).supportFragmentManager.beginTransaction()
        transaction.replace(framelayout, fragment, fragment::class.java.name)
        transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
        transaction.addToBackStack(null)
        transaction.commit()
    }

abircse

object RandomCodeGen {
    fun generate(): String {
        val rnd = Random()
        val number = rnd.nextInt(999999)
        return String.format("%06d", number)
    }
}

abircse

1. Create a Class file Called ProgressDialog & past below code
---------------------------------------------------------------
class ProgressDialog(private val context: Context) {
    private var dialog: Dialog? = null
    fun showProgressDialog() {
        dialog = Dialog(context)
        dialog!!.requestWindowFeature(Window.FEATURE_NO_TITLE)
        dialog!!.setCancelable(false)
        dialog!!.setContentView(your_progress_dialog_xml_layout)
        dialog!!.window!!.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))

abircse

inline fun View.setVisibility(value: Boolean) {
    this.visibility = if (value) View.VISIBLE else View.GONE
}

abircse

object CalculateDiscount {

    fun discountInPercentage(totalprice: Int, discount: Int) : Int
    {
        val discountInTk = totalprice * discount / 100
        val result = totalprice - discountInTk
        return result
    }

    fun discountInTaka(context: Context, totalprice: Int, taka: Int) : Int

abircse

object DateTimeUtils {

    fun convertDateToLong(date : String) : Long
    {
        val dateFormat = SimpleDateFormat("yyyy/MM/dd")
        val date = dateFormat.parse(date)
        val dateInLong = date.time
        return dateInLong
    }