FontsContractCompat.FontRequestCallback

const val FAIL_REASON_FONT_LOAD_ERROR = -3: Int

Constant returned by onTypefaceRequestFailed signaling that the font returned by the provider was not loaded properly.

const val FAIL_REASON_FONT_NOT_FOUND = 1: Int

Constant returned by onTypefaceRequestFailed signaling that the font provider did not return any results for the given query.

const val FAIL_REASON_FONT_UNAVAILABLE = 2: Int

Constant returned by onTypefaceRequestFailed signaling that the font provider found the queried font, but it is currently unavailable.

const val FAIL_REASON_MALFORMED_QUERY = 3: Int

Constant returned by onTypefaceRequestFailed signaling that the given query was not supported by the provider.

const val FAIL_REASON_PROVIDER_NOT_FOUND = -1: Int

Constant returned by onTypefaceRequestFailed signaling that the given provider was not found on the device.

const val FAIL_REASON_SECURITY_VIOLATION = -4: Int

Constant that signals that the font was not loaded due to security issues. This usually means the font was attempted to load on a restricted context.

const val FAIL_REASON_WRONG_CERTIFICATES = -2: Int

Constant returned by onTypefaceRequestFailed signaling that the given provider must be authenticated and the given certificates do not match its signature.

fun onTypefaceRequestFailed(reason: Int): Unit

Called when a Typeface request done via requestFont fails.

fun onTypefaceRetrieved(typeface: Typeface!): Unit

Called then a Typeface request done via requestFont is complete. Note that this method will not be called if onTypefaceRequestFailed is called instead.