appwidgetprovider可以实现onactivityresult如何使用它？

Question

我需要在appwidget上使用onactivityresult，但我该如何使用它？它不叫

公共类MainActivity扩展AppWidgetProvider实现 OnActivityResultListener上下文上下文{ }

@Override 
public void onUpdate(Context context, AppWidgetManager appWidgetManager, 
     int[] appWidgetIds) { 
    super.onUpdate(context, appWidgetManager, appWidgetIds); 
    this.context = context; 
    for (int i = 0; i < appWidgetIds.length; i++) { 
     int appWidgetId = appWidgetIds[i]; 
     Intent intent = new Intent(Intent.ACTION_GET_CONTENT); 
     intent.setType(ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE); 
     PendingIntent pending = PendingIntent.getActivity(context, 0, intent, PendingIntent.PARCELABLE_WRITE_RETURN_VALUE); 
     RemoteViews views = new RemoteViews(context.getPackageName(), 
       R.layout.activity_main); 

     views.setOnClickPendingIntent(R.id.imageButton1, pending); 
     appWidgetManager.updateAppWidget(appWidgetId, views); 
    } 

} 
@Override 
public void onReceive(Context context, Intent intent) { 
    super.onReceive(context, intent); 
} 

@Override 
public boolean onActivityResult(int requestCode, int resultCode, Intent data) {} 

Answer 1

onActivityResult()仅适用于Activity及其子类。这是因为startActivityForResult()仅适用于Activity及其子类。