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Re: [android-developers] Cuestión de diseño del juego: múltiple handl

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Subject: Re: [android-developers] Cuestión de diseño del juego: múltiple handlers
From: John Goche <johngoche99@xxxxxxxxxxxxxx>
Date: Wed, 30 Nov 2011 13:32:59 +0100
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*Thank Tú *TreKing para vuestro consejo,

Pero entonces en mi *handleMessage tendría que comprobar con si

(*inst caso de *Foo)
  *inst.*foocallback();
Más si (*inst *instanceof Barra)
  *inst.*barcallback();
Más si (...)

O es allí un *neater solución, quizás utilizando *polymorphism o un patrón
de diseño de alguna clase
de modo que mi *handleMessage  no deprisa vuelta a un desorden?

*Thanks,

John *Goche


En *Tue, *Nov 29, 2011 en 11:02 PM, *TreKing <trekingapp@xxxxxxxxx> escribió:

> En *Tue, *Nov 29, 2011 en 3:46 PM, John *Goche <*johngoche99@*xxxxxxxxxxxxxx>escribió:
>
>> El número de *sprites es indefinido (podría variar en número) pero cada cual
>> necesita dirigir él individualmente. Arriba de esto el mundo tiene su
>> propio *handler para dirigir actualiza a él.
>>
>
> No necesitas separado *handlers, puedes pasar el caso del objeto
> que está siendo actualizado en el *handler mensaje, entonces uso un solo *handler
> para el hilo principal.
>
>
> -------------------------------------------------------------------------------------------------
> *TreKing <*http://Sitios.*google.*com/Sitio/*rezmobileapps/*treking> - *Chicago
> *transit *tracking *app para *Android-*powered dispositivos
>
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Thank you TreKing for your advice,

But then in my handleMessage I would have to check with

if (inst instance of Foo)
  inst.foocallback();
else if (inst instanceof Bar)
  inst.barcallback();
else if (...)

or is there a neater solution, perhaps using polymorphism or a design
pattern of some sort
so that my handleMessage does not quickly turn into a mess?

Thanks,

John Goche


On Tue, Nov 29, 2011 at 11:02 PM, TreKing <trekingapp@xxxxxxxxx> wrote:

> On Tue, Nov 29, 2011 at 3:46 PM, John Goche <johngoche99@xxxxxxxxxxxxxx>wrote:
>
>> The number of sprites is indefinite (could vary in number) but each
>> needs to manage itself individually. On top of this the world has its
>> own handler to manage updates to itself.
>>
>
> You don't need separate handlers, you can pass the instance of the object
> that is being updated in the handler message, then use one single handler
> for the main thread.
>
>
> -------------------------------------------------------------------------------------------------
> TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago
> transit tracking app for Android-powered devices
>
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