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how to use spinners with xml file?

 
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I have an app that displays contents of an xml file that is stored on a server. The xml file contains a list of events and these events have categories. I want to be able to select which category I want then only display the events for that category. So I created a new xml with a spinner but I have no idea what I need to change in the code so for example if I select the film category only the film events are displayed. I know i will also need to change the events xml file.

here is some of the xml file:


and here is main java class that displays the xml file from the server:
 
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After the download and XML parsing, a "loadTourPackages" method is called - I think that should be "displayTourPackages", so that the display gets updated, no? You may need to invalidate the layout so that the UI gets updated.
 
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You could use SQLite with a SimpleCursorAdapter or write your own Adapter that will filter by chosen category or, maybe, ask the server for events of that particular category only. Is the question about how to filter events?

You are already using an AsyncTask, there is no need for a Handler. AsyncTask.onPostExecute() can do whatever the Handler must do.
 
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