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Groups > comp.lang.java.programmer > #2656

Re: ArrayAdapter

From Nigel Wade <nmw-news@ion.le.ac.uk>
Newsgroups comp.lang.java.programmer
Subject Re: ArrayAdapter
Date 2011-03-31 15:42 +0100
Message-ID <8vji5pFfcsU1@mid.individual.net> (permalink)
References (1 earlier) <veYkp.4663$lx3.3645@newsfe02.iad> <slrnip8l9o.phi.avl@gamma.logic.tuwien.ac.at> <8vj6efFla6U1@mid.individual.net> <8vjevuFn7mU1@mid.individual.net> <8vjhisFai4U1@mid.individual.net>

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On 31/03/11 15:32, Dirk Bruere at NeoPax wrote:
> On 31/03/2011 14:47, Nigel Wade wrote:
>> On 31/03/11 12:21, Dirk Bruere at NeoPax wrote:
>>
>>>      private static void updateRadioTitles( )    {
>>>
>>>              ...
>>>              radioTitleAdapter.add(titleStr);        //PROBLEM
>>>              radioTitleAdapter.notifyDataSetChanged(); //PROBLEM
>>>      }
>>>
>>> How do I get at radioTitleAdapter?
>>>
>>
>> You ask whatever object knows where it is to let you have a copy of a
>> reference to it.
>>
>> Since your code doesn't actually show that information I can't give
>> specific answers. But presumably some instance of class controller [sic]
>> knows where one can be found, since the onCreate() method of that class
>> creates one.
>>
> Yes  -I have worked out that bit but do not know what it is, 

What what is?

Some instance of the "controller" class is creating that ArrayAdaptor.
So that instance knows what it created. Ask that instance for a copy of
the reference to the ArrayAdaptor it created. Or get it to act as proxy
and do the work for you by adding a method to that class which performs
the necessary operations on its local copy of the reference.

> esp since
> other examples like ListView involve multiple casts
> 

???

-- 
Nigel Wade

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Thread

ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 02:03 +0100
  Re: ArrayAdapter Roedy Green <see_website@mindprod.com.invalid> - 2011-03-30 19:25 -0700
    Re: ArrayAdapter Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-03-30 19:42 -0700
      Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 04:50 +0100
  Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-03-31 16:02 +1300
  Re: ArrayAdapter Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-03-31 06:57 -0300
    Re: ArrayAdapter Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-03-31 10:19 +0000
      Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 12:21 +0100
        Java OOP tutorial (Was: ArrayAdapter) Michal Kleczek <kleku75@gmail.com> - 2011-03-31 13:52 +0200
          Re: Java OOP tutorial (Was: ArrayAdapter) Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 13:16 +0100
          Re: Java OOP tutorial (Was: ArrayAdapter) "John B. Matthews" <nospam@nospam.invalid> - 2011-03-31 16:19 -0400
        Re: ArrayAdapter Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-03-31 14:47 +0100
          Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 15:32 +0100
            Re: ArrayAdapter Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-03-31 15:42 +0100
              Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 16:35 +0100
                Re: ArrayAdapter markspace <-@.> - 2011-03-31 09:56 -0700
                Re: ArrayAdapter Patricia Shanahan <pats@acm.org> - 2011-03-31 10:09 -0700
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 21:26 +0100
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-03-31 21:29 +0100
                Re: ArrayAdapter Patricia Shanahan <pats@acm.org> - 2011-03-31 13:50 -0700
                Re: ArrayAdapter markspace <-@.> - 2011-03-31 15:27 -0700
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-01 00:42 +0100
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-01 00:38 +0100
                Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-01 13:08 +1300
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-01 01:10 +0100
                Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-01 13:45 +1300
        Re: ArrayAdapter Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-03-31 17:31 +0000
        Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-01 13:06 +1300
          Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-01 01:13 +0100
            Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-01 13:35 +1300
  Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-02 02:41 +0100
    Re: ArrayAdapter Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-04-02 04:19 +0200
      Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-02 03:55 +0100
        Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-02 17:12 +1300
          Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-02 05:18 +0100
            Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-02 19:58 +1300
              Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-02 14:48 +0100
                Re: ArrayAdapter Lew <noone@lewscanon.com> - 2011-04-02 10:48 -0400
                Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-03 10:50 +1200
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-03 01:41 +0100
                Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-03 12:53 +1200
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-03 02:52 +0100
                Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-03 19:56 +1200
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-03 17:07 +0100
                Re: ArrayAdapter Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-03 17:27 +0100
                Re: ArrayAdapter Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-04 10:19 +1200
                Re: ArrayAdapter Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-04-03 22:55 -0300

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