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public static interface DnsResolver.Callback

android.net.DnsResolver.Callback<T>

Base interface for answer callbacks

Public methods
`abstract void`	`onAnswer(T answer, int rcode)` Success response to `query()` or `rawQuery()`.
`abstract void`	`onError(DnsResolver.DnsException error)` Error response to `query()` or `rawQuery()`.

public abstract void onAnswer (T answer, 
                int rcode)

Success response to query() or rawQuery(). Invoked when the answer to a query was successfully parsed.

Parameters
`answer`	`T`: answer to the query. This value cannot be `null`.
`rcode`	`int`: The response code in the DNS response.

public abstract void onError (DnsResolver.DnsException error)

Error response to query() or rawQuery(). Invoked when there is no valid answer to query() rawQuery().

Parameters
`error`	`DnsResolver.DnsException`: a `DnsException` object with additional detail regarding the failure This value cannot be `null`.