Android Open Source - UK-Weather-repo Base City Cursor Adapter

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License

The source code is released under:

Apache License

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Java Source Code

package com.haringeymobile.ukweather;
// www.j a  v a  2  s  . com
import android.content.Context;
import android.database.Cursor;
import android.support.v4.widget.SimpleCursorAdapter;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;

import com.haringeymobile.ukweather.database.CityTable;

/** An adapter to map the cities stored in the database to the city list. */
public abstract class BaseCityCursorAdapter extends SimpleCursorAdapter {

  /** The resource ID for a view corresponding to an even cursor position. */
  static final int BACKGROUND_RESOURCE_EVEN = R.drawable.clickable_blue;
  /** The resource ID for a view corresponding to an odd cursor position. */
  static final int BACKGROUND_RESOURCE_ODD = R.drawable.clickable_green;

  /** A listener for button clicks. */
  protected OnClickListener onClickListener;

  BaseCityCursorAdapter(Context context, int layout, Cursor c, String[] from,
      int[] to, int flags, OnClickListener onClickListener) {
    super(context, layout, c, from, to, flags);
    this.onClickListener = onClickListener;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    View view = super.getView(position, convertView, parent);
    if (position % 2 == 1) {
      view.setBackgroundResource(BACKGROUND_RESOURCE_ODD);
    } else {
      view.setBackgroundResource(BACKGROUND_RESOURCE_EVEN);
    }
    return view;
  }

  /**
   * Obtains the Open Weather Map city ID for the specified list position.
   * 
   * @param position
   *            city list position
   * @return Open Weather Map city ID, or -1 if city list does not contain the
   *         specified position
   */
  int getCityId(int position) {
    Cursor cursor = getCursor();
    if (cursor.moveToPosition(position)) {
      return cursor.getInt(cursor
          .getColumnIndex(CityTable.COLUMN_CITY_ID));
    }
    return CityTable.CITY_ID_DOES_NOT_EXIST;
  }

  /**
   * Obtains the city name stored in the database for the specified list
   * position.
   * 
   * @param position
   *            city list position
   * @return city name, or null if city list does not contain the specified
   *         position
   */
  String getCityName(int position) {
    Cursor cursor = getCursor();
    if (cursor.moveToPosition(position)) {
      return cursor.getString(cursor
          .getColumnIndex(CityTable.COLUMN_NAME));
    }
    return null;
  }

}

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