Well, actually, it IS explained in another location (http:// developer.android.com/intl/de/guide/topics/manifest/activity- element.html). You so often have to look in two or three different pieces of documentation to get the full story...
It amounts to "a suitable default for the device". I guess we could check the display dimensions and set it to Portrait or Landscape on entry to the activity. I guess there's more than one place this decision could be made, with slightly different results, anyway. On Apr 18, 11:44 pm, Bob Kerns <[email protected]> wrote: > If you'd like a quick tour of all the options for > setRequestedOrientation(), my app, SmartVolume Free, does this, and > lets you control what value to supply to setRequestedOrientation() in > a preference setting. (The default is to not set it at all, and use > the system's setting). > > Of course, it's not hard to throw the code into your app, but this way > you can switch back and forth more quickly. > > I'm still not clear on how the orientation is chosen for > ActivvityInfo.SCREEN_ORIENTATION_NOSENSOR. On my device (N1) it seems > to always come up in Portrait. I don't know if this is intended to be > "a suitable default for the device", or something else. It doesn't > appear to be "what orientation the device was in on start", which I > think would be more useful. I guess I'll go fill a documentation bug. > > I put this in for a couple reasons. One is that my app is more usable > in portrait mode, but switching to portrait mode if you're using it in > landscape may not be desirable. Another is that before 2.1 update 1, > the launcher would crash (out of memory) if it was behind a window > that switched to landscape and you had too many apps... > > On Apr 18, 1:27 pm, Mark Murphy <[email protected]> wrote: > > > > > > > Isaac Wagner wrote: > > > On Sun, Apr 18, 2010 at 3:25 PM, Justin Giles <[email protected]> wrote: > > >> Why would you want to allow them to set it in settings when Android > > >> handles > > >> the rotation automagically? All you have to do is have a xml file in > > >> your > > >> "layout" directory, then for landscape have a xml file (with the same > > >> name) > > >> in your "layout-land" directory. When in portrait mode Android looks to > > >> the > > >> "layout" directory. When the phone is flipped to its side for landscape, > > >> Android looks to the "layout-land" directory. > > >> Justin > > > > <sigh> why is it that when I ask a simple question I get harassed? > > > This discussion list gets a lot of people asking questions where they > > are barking up the wrong tree. It is commonplace to inquire about their > > rationale for barking up that tree and steer them in the direction of > > more common patterns. Sometimes, the barking is indeed up the correct > > tree, but that may not always be obvious from the question. > > > If you consider that to be harassment, you may wish to choose a > > different means of getting Android developer support. > > > > OK, since it appears I can't get a simple answer without a long > > > explanation.... My application is one such that the user moves their > > > phone around a lot. During this movement I want to keep the > > > orientation constant -- I DON'T WANT ANDROID TO HANDLE THE ROTATION. > > > So, in my manifest I set the orientation to portrait to prevent > > > Android from mucking with the orientation. However, I am now making > > > some additions and would like the user to be able to choose portrait > > > or landscape mode, but whatever they choose needs to stick. Again, I > > > don't want Android to handle the rotation. As the phone is moved > > > around I want whichever orientation they chose to stick. > > > > Does that make sense? Now, how do I do this? How do I force the > > > orientation to my preference? > > > You can try the combination of setRequestedOrientation() in onCreate() > > (and from the menu or wherever the user chooses their preference) and > > android:configChanges="keyboardHidden|orientation" in your manifest. I > > have not used setRequestedOrientation() personally. > > > -- > > Mark Murphy (a Commons > > Guy)http://commonsware.com|http://twitter.com/commonsguy > > > Android Training in NYC: 30 April-2 May 2010:http://guruloft.com > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group > > athttp://groups.google.com/group/android-developers?hl=en > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group > athttp://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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