Android Open Source - robotronic Example List

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License

The source code is released under:

Copyright (C) 2011 by Drew Schrauf Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the So...

Java Source Code

package com.drewschrauf.example.robotronic;
//from w w  w .j a v a  2 s  .  c o m
import java.util.ArrayList;
import java.util.List;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.database.DataSetObserver;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.drewschrauf.robotronic.activities.RobotronicListActivity;
import com.drewschrauf.robotronic.threads.ParsingException;

public class ExampleList extends RobotronicListActivity<ExampleListItem> {

  @Override
  protected List<ExampleListItem> parseData(String data)
      throws ParsingException {
    List<ExampleListItem> result = new ArrayList<ExampleListItem>();

    if (data == null) {
      return result;
    }

    data = data.substring(15);
    try {
      JSONObject feed = new JSONObject(data);
      JSONArray items = feed.getJSONArray("items");
      for (int x = 0; x < Math.min(items.length(), 10); x++) {
        JSONObject item = items.getJSONObject(x);
        result.add(new ExampleListItem(item.getString("title"), item
            .getJSONObject("media").getString("m")));
      }
    } catch (JSONException e) {
      throw new ParsingException(e);
    }
    return result;
  }

  @Override
  protected void handleException(Exception e) {
    Log.e("test", e.getMessage());
  }

  @Override
  protected String getURL() {
    return "http://api.flickr.com/services/feeds/photos_public.gne?format=json";
  }

  @Override
  public BaseAdapter getAdapter() {
    final Context context = this;
    BaseAdapter adapter = new BaseAdapter() {

      public int getCount() {
        return getItems().size();
      }

      public Object getItem(int p) {
        return getItems().get(p);
      }

      public long getItemId(int p) {
        return p;
      }

      public int getItemViewType(int arg0) {
        // TODO Auto-generated method stub
        return 0;
      }

      public View getView(int position, View convertView, ViewGroup parent) {
        View row = View.inflate(context, R.layout.testrow, null);
        ((TextView) row.findViewById(R.id.title)).setText(getItems()
            .get(position).getTitle());
        getThreadHandler().makeImageDownloader(
            getItems().get(position).getImageUrl(),
            (ImageView) row.findViewById(R.id.image));
        return row;
      }

      public int getViewTypeCount() {
        return 1;
      }

      public boolean hasStableIds() {
        // TODO Auto-generated method stub
        return false;
      }

      public boolean isEmpty() {
        return getItems().size() == 0;
      }

      public void registerDataSetObserver(DataSetObserver arg0) {
        // TODO Auto-generated method stub

      }

      public void unregisterDataSetObserver(DataSetObserver arg0) {
        // TODO Auto-generated method stub

      }

      public boolean areAllItemsEnabled() {
        return getItems().size() > 0;
      }

      public boolean isEnabled(int arg0) {
        return getItems().size() > 0;
      }

    };

    return adapter;
  }
}

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