MessageAnnouncement

The conversation is on screen — the message itself is the notification. Post nothing.

App is in front but on another screen — post without sound or vibration so the shade still has it.

App is backgrounded or the screen is off — announce normally.

Returns a representation of an immutable list of all enum entries, in the order they're declared.

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns an array containing the constants of this enum type, in the order they're declared.