On Feb 15, 3:37 pm, Mark Murphy <[email protected]> wrote:
> erturne wrote:
> > I'm working on my first Android app, and would appreciate any guidance
> > to make sure I'm doing this the best way. Basically I want an Activity
> > to list recipes. Eventually I'll have another Activity to display an
> > individual recipe selected from the list, but I'm not worrying about
> > that yet. I apologize if this is a really noob question!
>
> > The list of recipes should show each recipe's title, description,
> > rating, and date added. For each recipe in the list I'd like the title
> > on the top left of the list entry, rating on the top right,
> > description on the bottom left, and date added on the bottom right. I
> > may want to add photo, icons representing properties of the recipe
> > (e.g. vegetarian), etc. The makes me think that each item in the list
> > should be a TableLayout.
>
> > With all that in mind, here's what I'm planning to write:
>
> > 1. Write class RecipesDataAdapter extends BaseAdapter. Override the
> > getView() method to return an instance of TableLayout. Populate each
> > instance of TableLayout with two TableRows, the first row containing
> > cells for title and rating, and the second row containing cells for
> > description and date added. For now I'll just pass the Recipe
> > instances to the adapter in an array.
>
> > 2. Write class ListRecipesActivity that extends ListActivity. Override
> > the onCreate() method to obtain instances of the Recipe class and call
> > the setListAdapter() method with an instance of the RecipesDataAdapter
> > class.
>
> > Notice that all this is done in code without any layout XML files. All
> > the examples of Activities that I've seen use a layout XML file and
> > call setContentView(R.layout.layout_name) but I'm not sure if I need
> > to do that for this, or even how I would do that considering my main
> > Activity is a list of non-trivial things (TableLayout).
>
> > Please let me know if you think I'm on the right track, or if there is
> > a better way to approach this problem.
>
> You definitely want to use layout XML files for your rows and your
> activity, to make it easier to support different screen sizes and
> orientations. Otherwise, in a quick read, what you have here seems OK.
>
> --
> Mark Murphy (a Commons
> Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> Android Training in US: 14-18 June 2010:http://bignerdranch.com
Let's say I create a recipe_list_item_layout.xml file containing
something like:
<?xml version="1.0" encoding="UTF-8" ?>
<TableLayout xmlns:android="...">
<TableRow>
<TextView android:id="@+id/title_text" />
</TableRow>
...
</TableLayout>
What would I do in my adapter's getView() method to return an instance
of TableLayout that uses this XML with the title set in the TextView?
Sorry, but I'm just a bit lost here!
Thanks,
Eric
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