0
遺憾的問題這是許多時間回答,但對我來說仍然是現在的工作:-(Android小工具如異步任務
我有以下activiy代碼:
public class WidgetProvider extends AppWidgetProvider {
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
final int count = appWidgetIds.length;
for (int i = 0; i < count; i++) {
int widgetId = appWidgetIds[i];
RemoteViews remoteViews = new RemoteViews(context.getPackageName(),
R.layout.simple_widget);
Intent intent = new Intent(context, SimpleWidgetProvider.class);
intent.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context,
0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
new Weather(remoteViews).execute();
remoteViews.setOnClickPendingIntent(R.id.actionButton, pendingIntent);
appWidgetManager.updateAppWidget(widgetId, remoteViews);
}
}
}
與異步天氣類但這是行不通的。值在remoteViews失蹤。
class Weather extends AsyncTask<Void, String, String> {
private RemoteViews remoteViews ;
public Weather(RemoteViews remoteViews) {
this.remoteViews = remoteViews;
}
@Override
protected String doInBackground(Void... arg0) {
return "COLD";
}
@Override
protected void onPostExecute(String temp) {
remoteViews.setTextViewText(R.id.textView, temp);
}