SuspensiveAlertDialogBuilder.kt

import androidx.annotation.StringRes
import androidx.appcompat.app.AlertDialog
import kotlin.coroutines.resume
import kotlin.coroutines.suspendCoroutine

class SuspensiveAlertDialogBuilder(val builder: AlertDialog.Builder) {
    @StringRes
    var positiveTextId: Int? = null
    var positiveText: String? = null
    @StringRes
    var negativeTextId: Int? = null
    var negativeText: String? = null
    var cancelable: Boolean = true

    suspend fun show() = suspendCoroutine<Boolean> { cont ->
        positiveTextId?.let {
            builder.setPositiveButton(it) { _, _ -> cont.resume(true) }
        }
        positiveText?.let {
            builder.setPositiveButton(it) { _, _ -> cont.resume(true) }
        }
        negativeTextId?.let {
            builder.setNegativeButton(it) { _, _ -> cont.resume(false) }
        }
        negativeText?.let {
            builder.setNegativeButton(it) { _, _ -> cont.resume(false) }
        }
        if (cancelable) {
            builder.setOnCancelListener { cont.resume(false) }
        }
        builder.show()
    }
}

fun AlertDialog.Builder.withSuspensive() = SuspensiveAlertDialogBuilder(this)