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CursorAdapter implementation example.
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public class ForecastCursorAdapter extends CursorAdapter { | |
public ForecastCursorAdapter(Context context, Cursor cursor, int flags) { | |
super(context, cursor, flags); | |
} | |
/** Remember that these views are reused as needed. */ | |
@Override | |
public View newView(Context context, Cursor cursor, ViewGroup parent) { | |
return LayoutInflater.from(context).inflate(R.layout.list_item_forecast, parent, false); | |
} | |
/** This is where we fill-in the views with the contents of the cursor. */ | |
@Override | |
public void bindView(View view, Context context, Cursor cursor) { | |
// our view is pretty simple here --- just a text view | |
// we'll keep the UI functional with a simple (and slow!) binding. | |
TextView tv = (TextView)view; | |
tv.setText(convertCursorRowToUXFormat(cursor)); | |
} | |
/** Prepare the weather high/lows for presentation. */ | |
private String formatHighLows(double high, double low) { | |
boolean isMetric = Utility.isMetric(mContext); | |
String highLowStr = Utility.formatTemperature(high, isMetric) + "/" + Utility.formatTemperature(low, isMetric); | |
return highLowStr; | |
} | |
/** This is ported from FetchWeatherTask --- but now we go straight from the cursor to the string.*/ | |
private String convertCursorRowToUXFormat(Cursor cursor) { | |
// get row indices for our cursor | |
int idxMaxTemp = cursor.getColumnIndex(WeatherContract.WeatherEntry.COLUMN_MAX_TEMP); | |
int idxMinTemp = cursor.getColumnIndex(WeatherContract.WeatherEntry.COLUMN_MIN_TEMP); | |
int idxDate = cursor.getColumnIndex(WeatherContract.WeatherEntry.COLUMN_DATE); | |
int idxShortDesc = cursor.getColumnIndex(WeatherContract.WeatherEntry.COLUMN_SHORT_DESC); | |
String highAndLow = formatHighLows( cursor.getDouble(idxMaxTemp), cursor.getDouble(idxMinTemp)); | |
String uxFormat = Utility.formatDate(cursor.getLong(idxDate)); | |
uxFormat += " - " + cursor.getString(idxShortDesc); | |
uxFormat += " - " + highAndLow; | |
return uxFormat; | |
} | |
} |
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