How to use self hosted Rollbar instance in Android SDK

build.gradle

implementation('com.rollbar:rollbar-android:1.7.5')

Rollbar.kt

Rollbar.init(this, "{access_token}", "production", true, true)

val rollbar = Rollbar.instance()
val originalConfig = rollbar.config()
val id = 123

// There's essential config in the default 'originalConfig', so start from that.
val config = ConfigBuilder.withConfig(originalConfig)
    .endpoint("https://{self_hosted_domain}/api/1/item/")
    .sender(null) // working around a bug in their builder. tested version: 1.7.5
    .context { "{zendesk_subdomain}" }
    .person { Person.Builder().metadata(mapOf("uid" to id)).build() }
    .custom { mapOf("auth_type" to "{auth_type}") }
    .handleUncaughtErrors(true)
    .filter(object : Filter {
        // Only report our own crashes.
        override fun postProcess(data: Data?): Boolean {
            if (data?.isUncaught == true) {
                if (data.body.contents.toString().contains("className='zendesk.")) {
                    return false
                }
            }
            return true
        }

        override fun preProcess(
            level: Level?,
            error: Throwable?,
            custom: MutableMap<String, Any>?,
            description: String?
        ): Boolean {
            return false
        }
    })
    .build()

rollbar.configure(config)