Auto detect orientation

Rickyngk

Hi,
Could I setup my game auto detect LANDSCAPE_RIGHT and LANDSCAPE_LEFT, instead of fixed orientation by using Application:setOrientation(orientation)

Regards,

MikeHart

Doesn't turning on Autorotation work for you? On IOS it is basically a must that you support the opposite direction as well. Not sure about Android 3.x or 4.x, but in 2.x you only have portrait and landscape there.

Rickyngk

Hi,

I don't understand clearly your explain.

The problem is that I don't know how to get device orientation with Gideros api. I set my app to LANDSCAPE_RIGHT by call application:setOrientation(LANDSCAPE_RIGHT). So, when user turns around the device, the application did not auto rotate to LANDSCAPE_LEFT.

Regards,

atilim

Hi @Rickyngk,

As an addition to @MikeHart's post:
When you right click the project name and select Properties..., there is a tab "iOS". From there, you can enable autorotation. Then, the screen will autorotate and there will be no difference between LANDSCAPE_LEFT and LANDSCAPE_RIGHT.

MikeHart

Sorry, didn't read your post not completely I guess.

There is Application:getOrientation() to detect the current orientation.

atilim

But Application:getOrientation() does only return the value that's previously set by Application:setOrientation().

MikeHart

Then there is not much use for that command, isn't it? When I set the orientation beofre manually, I know it already.

atilim

yes it's there just for providing symmetric get/set pair.

Currently there is no way to get device orientation except for using some accelerometer trick.

MikeHart

yes it's there just for providing symmetric get/set pair.

Currently there is no way to get device orientation except for using some accelerometer trick.

Isn't there a delegate in IOS that is fired when a rotation happens?

atilim

Yes there is. I mean we haven't wrapped this event in gideros yet

vhp_wujitouch

I don't see this feature in the roadmap and it would be really useful for a lot of games. Any idea when it'll be added?

Michal

+1 for this request. Either as getRotation() or some event fired by application would be OK. (and I mean android also).

alexzheng

maybe after Application class inherited from EventDispacher,we can simply get that event and others from the application object.

atilim

I've added to the roadmap: http://bugs.giderosmobile.com/issues/114

@alexzheng At first, I was thinking about inheriting Application class from EventDispatcher so that it can dispatch all system related events from a single point. But then I realized that it's not a good idea because a single point of event registering mechanism can prevent GC of objects. Therefore these kinds of events should be broadcast events, which means that it is dispatched by all EventDispatcher objects with a listener registered for this event.

(Currently, APPLICATION_START, APPLICATION_EXIT, APPLICATION_SUSPEND and APPLICATION_RESUME are broadcast events and ORIENTATION_CHANGE will be a broadcast event also)

alexzheng

Then ,will broadcast events be available in our lua code and plugin?
For example,dispatch a broadcast event from lua or plugin code, and any object in lua can handle this event.

atilim

You're right. I've added. http://bugs.giderosmobile.com/issues/115

alexzheng

Thanks for so fast reply.
BTW,which object do you use for broadcasting these events such as APPLICATION_START,
can I broadcast an event without creating an EventDispatcher based class in plugin?

atilim

In the example "Hardware/Application Lifecycle" I've used the stage instance.

alexzheng

I do not mean the listener.
I mean the dispatcher, is there a simple way for dispatch or broadcast an event from plugin without reference an instance of a custom EventDispatcher based class?

atilim

I see. currently no way

bowerandy

Folks,

You might be interested in a little helper class that I've written to manage autorotation. There's a blog article about it here:

http://www.bowerhaus.eu/blog/files/multiple_device_orientations.html

Using this it is quite easy to allow an app to rearrange itself and support both portrait and landscape arrangements.

I'm not sure whether this is what the OP wanted to do or whether they just wanted to get hold of the current orientation. If it's the latter you can just make use of the function BhAutoRotation:getGenericOrientation().

As usual it's MIT licensed so use as you wish.

Best regards

gorkem

Thank you, adding now to Forum FAQ for devs: http://www.giderosmobile.com/DevCenter/index.php/Forum_FAQ

atilim

Thanks @bowerandy

Cyberience

Whats the progress on this? its a year since being added to the issue log road map?