Hi,
In my app, every time I enter a new record it is placed in automatic form
at the end of the elements of a container. When I read the database I sort
the records by date so that the most recent one appears first.
I did not find any method that would allow me to order the elements and
proceeded to create one assuming that the last included element should move
to the first position. My problem is that I create a temporary container
and every time I try to add a new element it sends me an error message that
it already exists.
"[EDT] 0:0:0,5 - Exception in AppName version 1.0
[EDT] 0:0:0,5 - OS and
[EDT] 0:0:0,5 - Error java.lang.IllegalArgumentException: Component is
already contained in Container: Container[x=0 y=0 width=1440 height=2050
name=null, layout = BoxLayout, scrollableX = false, scrollableY = true,
components = [SwipeableContainer, SwipeableContainer, SwipeableContainer,
SwipeableContainer, SwipeableContainer, SwipeableContainer,
SwipeableContainer, SwipeableContainer, SwipeableContainer]]
[EDT] 0:0:0,6 - Current Form null
[EDT] 0:0:0,6 - Exception: java.lang.IllegalArgumentException - Component
is already contained in Container: Container[x=0 y=0 width=1440 height=2050
name=null, layout = BoxLayout, scrollableX = false, scrollableY = true,
components = [SwipeableContainer, SwipeableContainer, SwipeableContainer,
SwipeableContainer, SwipeableContainer, SwipeableContainer,
SwipeableContainer, SwipeableContainer, SwipeableContainer]]
at com.codename1.ui.Container.insertComponentAtImpl(Container.java:819)
at com.codename1.ui.Container.insertComponentAt(Container.java:810)
at com.codename1.ui.Container.addComponent(Container.java:732)
at com.codename1.ui.Container.add(Container.java:351)
at
com.innova507.principal.LiberAbstracto.ordenaContenedorMayorMenor(LiberAbstracto.java:762)
at
com.innova507.principal.Liber.lambda$formaMantenimientoListaDeseos$23(Liber.java:1219)
at
com.codename1.ui.util.EventDispatcher.fireActionEvent(EventDispatcher.java:349)
at com.codename1.ui.Button.fireActionEvent(Button.java:570)
at com.codename1.ui.Button.released(Button.java:604)
at com.codename1.ui.Button.pointerReleased(Button.java:708)
at com.codename1.ui.Form.pointerReleased(Form.java:3339)
at com.codename1.ui.Component.pointerReleased(Component.java:4528)
at com.codename1.ui.Display.handleEvent(Display.java:2079)
at com.codename1.ui.Display.edtLoopImpl(Display.java:1051)
at com.codename1.ui.Display.mainEDTLoop(Display.java:969)
at com.codename1.ui.RunnableWrapper.run(RunnableWrapper.java:120)
at com.codename1.impl.CodenameOneThread.run(CodenameOneThread.java:176)"
My code:
public Container ordenaContenedorMayorMenor(Container cnC) {
Container cnResp = new Container(BoxLayout.y());
if (cnC.getComponentCount() > 0) {
Component cn = (Component)
cnC.getComponentAt(cnC.getComponentCount() - 1);
if (cn instanceof SwipeableContainer) {
cnResp.add(cn);
for (int i = 0; i < cnC.getComponentCount() - 2; i++) {
cnResp.add((SwipeableContainer) cnC.getComponentAt(i));
}
}
} else {
cnResp = cnC;
}
return cnResp;
}
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