I'm trying to 'lock down' the OS so that ONLY my app will run on the device, not even the built in launcher, etc. I've got it working somewhat, and I set 'prefDefaultAppCreator' to my app in an attempt to survive resets. Hard resets, of course, will wipe out ALL info on the device, so that's OK, but it's the 'no extensions' (reset+up button) reset that has me puzzled. It seems that almost all pref settings will survive the 'no extensions' reset, but the 'prefDefaultAppCreator' gets wiped out. Is there a way to retain that setting, so that my app will start automatically after that specific reset?
I can't think of one. The main point of that style of reset was to be able to recover from situations where an app is crashing on reset, so it intentionally goes to a "safe" application on startup, and prefs is about as safe as it gets.
Time to get creative :-) I don't remember if it would pick up a RAM-based version of the prefs app; if it does, then you could have an app in RAM with the same creator ID (and/or name?) of the prefs app and perhaps you'd get launched instead of the ROM-based prefs app. Worth testing.
-David Fedor PalmSource, Inc.
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