Android Open Source - UK-Weather-repo City List Fragment With Weather Buttons

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Back to project page UK-Weather-repo.

License

The source code is released under:

Apache License

Java Source Code

package com.haringeymobile.ukweather;
/* w w  w  .  ja  va2  s  . c  o  m*/
import android.app.Activity;
import android.view.View;

/**
 * A fragment containing a list of cities with clickable buttons, requesting
 * various weather information.
 */
public class CityListFragmentWithWeatherButtons extends
    BaseCityListFragmentWithButtons {

  /** A listener for weather information button clicks. */
  public interface OnWeatherInfoButtonClickedListener {

    /**
     * Reacts to the request to obtain weather information.
     * 
     * @param cityId
     *            OpenWeatherMap city ID
     * @param weatherInfoType
     *            a kind of weather information requested
     */
    public void onCityWeatherInfoRequested(int cityId,
        WeatherInfoType weatherInfoType);

  }

  private OnWeatherInfoButtonClickedListener onWeatherInfoButtonClickedListener;

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    try {
      onWeatherInfoButtonClickedListener = (OnWeatherInfoButtonClickedListener) activity;
    } catch (ClassCastException e) {
      throw new ClassCastException(activity.toString()
          + " must implement OnWeatherInfoButtonClickedListener");
    }
  }

  @Override
  protected BaseCityCursorAdapter getCityCursorAdapter() {
    return new CityWeatherCursorAdapter(parentActivity,
        R.layout.row_city_list_with_weather_buttons, null,
        COLUMNS_TO_DISPLAY, TO, 0, this);
  }

  @Override
  public void onDetach() {
    super.onDetach();
    onWeatherInfoButtonClickedListener = null;
  }

  @Override
  public void onClick(View view) {
    int listItemPosition = getListView().getPositionForView(view);
    int cityId = cursorAdapter.getCityId(listItemPosition);
    WeatherInfoType weatherInfoType = getRequestedWeatherInfoType(view);
    onWeatherInfoButtonClickedListener.onCityWeatherInfoRequested(cityId,
        weatherInfoType);
  }

  /**
   * Obtains the kind of weather information associated with the view.
   * 
   * @param view
   *            the clicked view (button)
   * @return requested weather information type
   */
  private WeatherInfoType getRequestedWeatherInfoType(View view) {
    int viewId = view.getId();
    switch (viewId) {
    case R.id.city_current_weather_button:
      return WeatherInfoType.CURRENT_WEATHER;
    case R.id.city_daily_weather_forecast_button:
      return WeatherInfoType.DAILY_WEATHER_FORECAST;
    case R.id.city_three_hourly_weather_forecast_button:
      return WeatherInfoType.THREE_HOURLY_WEATHER_FORECAST;
    default:
      throw new IllegalArgumentException("Not supported view ID: "
          + viewId);
    }
  }

}

Java Source Code List

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