white screen on iphone (maybe iOS6 issue)

[MeiAestro]

Hey there,

I am quite in trouble as a mobile website which worked fine for months now only shows an empty white screen on my iPhone. I am just guessing this might be because of the new iOS 6.0 Does anybody of you has made similar experiences? The RootLayoutPanel is the basis of my page.

Thanks & kind regards!

[MeiAestro]

Ok, now I am sure it is an iOS6 problem. It still works on older iOS. And I am also sure that it has to do something with the RootLayoutPanel. Everything is shown correctly when I use RootPanel, but then I cannot use the required onResize functionality.

Any ideas?

[Milan Cvejic]

You can easily create your own Panel by extending ComplexPanel and attaching ResizeHandler

something like this:

Window.addResizeHandler(new ResizeHandler() {
    for (Widget child : getChildren()) {
      if (child instanceof RequiresResize) {
        ((RequiresResize) child).onResize();
      }
}

You should also implement all methods from RootPanel.

Best,
Milan

[MeiAestro]

Thanks, I will try to build a workaround. Any ideas what might be the reason why it is not working anymore with ios6 ???

[MeiAestro]

is there maybe a new user agent String required for ios6? I am using:

<set-property name="user.agent" value="safari,ie8,ie9,gecko1_8,opera">

[Manuel Carrasco Moñino]

Maybe IOS6 issue about caching posts requests could be your problem, in the case you are doing a RPC/RF post to your web-server and you wait for a response before showing the initial screen of your app.

http://code.google.com/p/google-web-toolkit/issues/detail?id=770

- Manolo

On Fri, Sep 28, 2012 at 6:38 PM, MeiAestro <JMAlb...@gmx.de> wrote:

is there maybe a new user agent String required for ios6? I am using:

<set-property name="user.agent" value="safari,ie8,ie9,gecko1_8,opera">

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[MeiAestro]

it really seems to be a Ajax caching problem. I am loading the google maps v3 using the Ajaxloader-Package (http://gwt-google-apis.googlecode.com/svn/javadoc/ajaxloader/1.1/index.html). Unfortunately I have no clue where to change any header information.

I would appreciate any hints!

Thanks!