MaterialAlertDialog wrapper Extension function

DialogExtensions.kt

fun Context.buildAlertDialog(
    @StringRes title: Int? = null,
    @StringRes message: Int? = null,
    @StringRes setPositiveButton: Int? = null,
    @StringRes setNegativeButton: Int? = null,
    onPositiveSelected: (() -> Unit)? = null,
    onNegativeSelected: (() -> Unit)? = null
): MaterialAlertDialogBuilder {

    return MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
        .apply {
            title?.let { setTitle(title) }
            message?.let { setMessage(message) }
            setPositiveButton?.let {
                setPositiveButton(setPositiveButton) { _, _ ->
                    onPositiveSelected?.invoke()
                }
            }
            setNegativeButton?.let {
                setNegativeButton(setNegativeButton) { _, _ ->
                    onNegativeSelected?.invoke()
                }
            }
        }
}

fun Context.buildAlertWithMenuDialog(
    @ArrayRes itemsId: Int,
    onItemSelected: (selectedItemId: Int) -> Unit
): MaterialAlertDialogBuilder {

    return MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
        .apply {
            setItems(itemsId) { _, selected ->
                onItemSelected.invoke(selected)
            }
        }
}

// Usage example in Activity or Fragment

private fun showExitAlert() {
    buildAlertDialog(
        title = R.string.title_exit,
        message = R.string.message_exit,
        setPositiveButton = R.string.confirm_exit,
        onPositiveSelected = {
            finishAffinity()
        }
   ).show()
}

styles.xml

<style name="MaterialAlertDialogTheme" parent="MaterialAlertDialog.Material3">
        <item name="android:textSize">14dp</item>
        <item name="materialAlertDialogTitleTextStyle">@style/MaterialAlertDialogTitleStyle</item>
        <item name="materialAlertDialogBodyTextStyle">@style/MaterialAlertDialogItemStyle</item>
        <item name="buttonBarPositiveButtonStyle">@style/MaterialAlertDialogButtonStyle</item>
        <item name="buttonBarNegativeButtonStyle">@style/MaterialAlertDialogButtonStyle</item>
    </style>

    <style name="MaterialAlertDialogTitleStyle" parent="MaterialAlertDialog.MaterialComponents.Title.Text">
        <item name="android:textSize">24dp</item>
        <item name="enforceMaterialTheme">true</item>
        <item name="enforceTextAppearance">true</item>
        <item name="android:textAppearance">?attr/textAppearanceHeadlineSmall</item>
        <item name="android:textColor">@color/black</item>
    </style>

    <style name="MaterialAlertDialogItemStyle" parent="MaterialAlertDialog.Material3.Body.Text">
        <item name="android:textColor">@color/black</item>
    </style>

    <style name="MaterialAlertDialogButtonStyle" parent="Widget.Material3.Button.TextButton.Dialog">
        <item name="android:textSize">14dp</item>
        <item name="enforceMaterialTheme">true</item>
        <item name="enforceTextAppearance">true</item>
        <item name="android:textAppearance">?attr/textAppearanceButton</item>
        <item name="android:textColor">@color/colorAccent</item>
    </style>