A clue:
PHP Code:
[root@kindle bin]# lipc-probe -a|grep -B3 configureChrome
com.lab126.chromebar
w Str activityIndicator
w Str searchResults
w Str configureChrome
[root@kindle bin]#
And with that clue, changing "pillow" to "chromebar" in both examples, they work!
Ixtab's method (updated):
PHP Code:
lipc-set-prop com.lab126.chromebar configureChrome '{"appId":"com.lab126.booklet.home","titleBar":{"clientParams":{"secondary":"Hello World","useDefaultPrimary":false}}}'
Branch Delay's method (updated):
PHP Code:
lipc-set-prop com.lab126.chromebar configureChrome "{\"titleBar\":{\"clientParams\":{\"secondary\":\"Hello Again\",\"useDefaultPrimary\":false}}}"
Executing those two examples in sequence will change the display title to "Hello World", then to "Hello Again". It worked on my PW2 with the latest firmware. My PW3 still needs a jailbreak, which needs a TTL serial adapter, and those are still in hiding...
Now please tell me my time and effort was worth some karma. I also discovered some REALLY interesting stuff that will allow me to display interactive custom "pillow" forms from simple scripts, with my own contents. I could implement something like KUAL with pretty much just a lipc command and a long string of custom parameters...