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Re: Initializing from context passing

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From	Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: Initializing from context passing
Date	Sat, 23 Apr 2011 18:35:07 +0200
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On 23/04/2011 17:39, Dirk Bruere at NeoPax allegedly wrote:
> I have a Data class of the form:
>
> Data
> (
> public static ListView albumsLV;
> public static ArrayAdapter<String> albumsTitleAdapter
> public static ArrayList<String> albumsTitleArrayList = new
> ArrayList<String>();
>
> Data(Context ctx)
> {
> albumsLV = (ListView )((Activity) ctx).findViewById(R.id.ListViewAlbums);
>
> albumsTitleAdapter = new ArrayAdapter<String>(ctx,
> android.R.layout.simple_expandable_list_item_1,albumsTitleArrayList);
> }
>
> }
>
> and in the main method{
>
> public void onCreate(Bundle savedInstanceState)
> {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
> Context currentContext = this;
>
> Data data = new Data(currentContext);
>
> }
>
> lvAlbum = (ListView)findViewById(R.id.ListViewAlbums);
> lvAlbum.setAdapter(Data.albumsTitleAdapter);
> }
>
> I never use Data data variable again.
> Is that sufficient to initialize the static parameters in Data class?
>

Yeah, but it's crap. At least make it a static method e.g.
Data.init(Context).

And do use interface types rather than implementations, unless you
specifically rely on a detail of the implementation (which is often a
bad sign). That is, make it a List<T>, not an ArrayList<T>.

-- 
DF.
An escaped convict once said to me:
"Alcatraz is the place to be"

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Thread

Initializing from context passing Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-23 16:39 +0100
  Re: Initializing from context passing Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-04-23 18:35 +0200
    Re: Initializing from context passing Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-23 19:12 +0100
      Re: Initializing from context passing Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-04-23 21:47 +0200
    Re: Initializing from context passing Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-23 20:34 +0100
      Re: Initializing from context passing Lew <noone@lewscanon.com> - 2011-04-23 18:35 -0400
        Re: Initializing from context passing Dirk Bruere at NeoPax <dirk.bruere@gmail.com> - 2011-04-24 01:17 +0100
          Re: Initializing from context passing Lew <noone@lewscanon.com> - 2011-04-23 20:32 -0400

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