Show blocking alert

Utility.kt

// generic alert
        fun showGenericBlockingAlert(title: String, msg: String, activity: Activity) {
            val dialogBuilder = AlertDialog.Builder(activity)
            dialogBuilder.setMessage(msg)
                .setCancelable(false)
                .setPositiveButton("OK") { dialog, id ->
                }

            val alert = dialogBuilder.create()
            alert.setCancelable(false)
            alert.setTitle(title)
            alert.show()
        }


        // generic show error alert with function as a parameterof type : ()->Unit
        fun showErrorAlert(errorMsg: String, activity: Activity, passedFun: () -> Unit) {
            val dialogBuilder = AlertDialog.Builder(activity)
            dialogBuilder.setMessage(
                activity.getString(R.string.error_happened)
                        + "${errorMsg} \n"
                        + activity.getString(R.string.retry_later)
            )
                .setCancelable(false)
                .setPositiveButton("OK") { dialog, id ->
                    passedFun()
                }

            val alert = dialogBuilder.create()
            alert.setCancelable(false)
            alert.setTitle(activity.getString(R.string.error_title))
            alert.show()
        }


        fun showGenericBlockingAlertWithFunc(
            title: String, msg: String, activity: Activity
            , passedFun: () -> Unit
        ) {
            val dialogBuilder = AlertDialog.Builder(activity)
            dialogBuilder.setMessage(msg)
                .setCancelable(false)
                .setPositiveButton("OK") { dialog, id ->
                    passedFun()
                }

            val alert = dialogBuilder.create()
            alert.setCancelable(false)
            alert.setTitle(title)
            alert.show()
        }