DockLayoutPanel center element holds only one panel. Wrap your
veritcalpanels in another verticalpanel. See the sample below.
//corrected code .xml file.
<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
xmlns:g='urn:import:com.google.gwt.user.client.ui'>
<g:DockLayoutPanel>
<g:north size="25">
<g:FlowPanel>
<g:Label>Good</g:Label>
</g:FlowPanel>
</g:north>
<g:center>
<g:VerticalPanel ui:field="v">
<g:VerticalPanel ui:field="panel1">
<g:Button ui:field="button1">North</g:Button>
<g:Button ui:field="button2">South</g:Button>
</g:VerticalPanel>
<g:VerticalPanel ui:field="panel2">
<g:TextArea ui:field="greenText" />
</g:VerticalPanel>
</g:VerticalPanel>
</g:center>
</g:DockLayoutPanel>
</ui:UiBinder>
S. Abraham
www.DataStoreGwt.com
Persist objects directly in GAE
On Sep 28, 4:53 pm, Brito <[email protected]> wrote:
> Compile application shows the error. please help.
>
> //environment
>
> eclipse 3.5
> gwt 2.4.0
> app engine 1.5.3
>
> //error
>
> [ERROR] Element may only contain a single child element, but found
> <g:VerticalPanel ui:field='panel1'> and <g:VerticalPanel
> ui:field='panel2'>. Element <g:center>
>
> //.xml file
>
> <ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
> xmlns:g='urn:import:com.google.gwt.user.client.ui'>
> <g:DockLayoutPanel>
> <g:north size="25">
> <g:FlowPanel>
> <g:Label>Good</g:Label>
> </g:FlowPanel>
> </g:north>
> <g:center>
> <g:VerticalPanel ui:field="panel1">
> <g:Button ui:field="button1">North</
> g:Button>
> <g:Button ui:field="button2">South</
> g:Button>
> </g:VerticalPanel>
> <g:VerticalPanel ui:field="panel2">
> <g:TextArea ui:field="greenText" />
> </g:VerticalPanel>
> </g:center>
> </g:DockLayoutPanel>
> </ui:UiBinder>
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