On Oct 6, 2010, at 9:21 AM, paolo mazza wrote:

> I have to'inform you that opening a mobile application in the iPad the
> platform is "iPhone" so
> In our Rev_mobile applications we have to' write
> 
> if the environment is "iPhone" then
>  iphoneRotateInterface "landscape left"
> end if

The iPhone simulator reports "mobile", so you could do this to take care of 
both cases:

   if the environment is "iPhone" or the environment is "mobile" then
      iphoneRotateInterface "landscape left"
   end if

Is there an orientation change event that we can use, or can we read the 
current orientation? Really, you would not use the above line if the user 
happens to be holding the iPad in "landscape right" at the time. That would be 
enough to get an App rejected by Apple.

Here's the logic I'm using in Flash, for an App that needs to be in landscape:

var startOrientation:String=stage.orientation;
if (startOrientation=="default"||startOrientation=="upsideDown") {
   stage.setOrientation(StageOrientation.ROTATED_RIGHT);
} else {
   stage.setOrientation(startOrientation);
}


So, if the device is in either portrait, then I use "landscape left" (which in 
Flash terms mean that the stage needs to be rotated right). If the device is 
already landscape, then I set the stage to match the current orientation, 
allowing a "landscape right" kinda person to carry on working like they want to.

In Flash there is also a change event, and on the change event you can prevent 
portrait if you want to. My routine looks like this:

stage.addEventListener(StageOrientationEvent.ORIENTATION_CHANGING, 
orientationChangeListener);
function orientationChangeListener(e:StageOrientationEvent) {
   if (e.afterOrientation=="default"||e.afterOrientation=="upsideDown") {
      e.preventDefault();
   }
}

In Flash things are usually passed on, so there's no need to do the equivalent 
of a pass for the system to go ahead and do the orientation change, the 
preventDefault will stop the change before it happens.

LiveCode needs to have the same abilities as Flash does for handling 
orientation.


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