Android 3.0自带的天气预报例子代码
2011-03-19 11:57:21 来源:本站整理private Context mContext;
private Cursor mCursor;
private int mAppWidgetId;
public StackRemoteViewsFactory(Context context, Intent intent) {
mContext = context;
mAppWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID);
}
public void onCreate() {
}
public void onDestroy() {
if (mCursor != null) {
mCursor.close();
}
}
public int getCount() {
return mCursor.getCount();
}
public RemoteViews getViewAt(int position) {
String city = "Unknown City";
int temp = 0;
if (mCursor.moveToPosition(position)) {
final int cityColIndex = mCursor.getColumnIndex(WeatherDataProvider.Columns.CITY);
final int tempColIndex = mCursor.getColumnIndex(
WeatherDataProvider.Columns.TEMPERATURE);
city = mCursor.getString(cityColIndex);
temp = mCursor.getInt(tempColIndex);
}
final String formatStr = mContext.getResources().getString(R.string.item_format_string);
final int itemId = (position % 2 == 0 ? R.layout.light_widget_item
: R.layout.dark_widget_item);
RemoteViews rv = new RemoteViews(mContext.getPackageName(), itemId);
rv.setTextViewText(R.id.widget_item, String.format(formatStr, temp, city));
final Intent fillInIntent = new Intent();
final Bundle extras = new Bundle();
extras.putString(WeatherWidgetProvider.EXTRA_CITY_ID, city);
fillInIntent.putExtras(extras);
rv.setOnClickFillInIntent(R.id.widget_item, fillInIntent);
return rv;
}
public RemoteViews getLoadingView() {
return null;
}
public int getViewTypeCount() {
return 2;
}
public long getItemId(int position) {
return position;
}
public boolean hasStableIds() {
return true;
}
public void onDataSetChanged() {
if (mCursor != null) {
mCursor.close();
}
mCursor = mContext.getContentResolver().query(WeatherDataProvider.CONTENT_URI, null, null,
null, null);
}
}
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