[BRLTTY] OT: Talksback not announcing callers on Android

[Dave Mielke]

[quoted lines by Henk Abma on 2017/02/02 at 12:59 +0100]

>I don't know how an app like shouter retrieves the required information. I 
>think the basic idea behind screenreaders like TalkB ack is that it only 
>provides information that can be obtained through standard interfaces and not 
>to go hunting for that info e.g. By processing the entire screen.

It's actually quite easy. Android has a mechanism for broadcasting messages, 
and for choosing which such messages (intents) your app wishes to receive.

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