open_web_page.kt

fun Context.openWebPage(url: String): Boolean {
    // Format the URI properly.
    val uri = url.toWebUri()

    // Try using Chrome Custom Tabs.
    try {
        val intent = CustomTabsIntent.Builder()
            .setToolbarColor(getColorCompat(R.color.primary))
            .setShowTitle(true)
            .build()
        intent.launchUrl(this, uri)
        return true
    } catch (ignored: Exception) {}

    // Fall back to launching a default web browser intent.
    try {
        val intent = Intent(Intent.ACTION_VIEW, uri)
        if (intent.resolveActivity(packageManager) != null) {
            startActivity(intent)
            return true
        }
    } catch (ignored: Exception) {}

    // We were unable to show the web page.
    return false
}

fun String.toWebUri(): Uri {
    return (if (startsWith("http://") || startsWith("https://")) this else "https://$this").toUri()
}