Hi Jason Knisley,Thank you for respond my question, I have called the featureLayer.getGraphicIDs(x, y, tolerance) method but I get this error on logcat 12-21 22:38:59.498: E/AndroidRuntime(3011): FATAL EXCEPTION: main
12-21 22:38:59.498: E/AndroidRuntime(3011): java.lang.IllegalStateException: Graphics layer is not bounded to a map!
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.esri.android.map.GraphicsLayer.nativeGetGraphicsAt(Native Method)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.esri.android.map.GraphicsLayer.getGraphicIDs(Unknown Source)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.esri.android.map.GraphicsLayer.getGraphicIDs(Unknown Source)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.esri.arcgis.android.samples.attributeeditor.AttributeEditorActivity$2.onSingleTap(AttributeEditorActivity.java:148)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.esri.android.map.MapOnTouchListener.onSingleTap(Unknown Source)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.esri.android.map.MapGestureDetector$a.onSingleTapConfirmed(Unknown Source)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at android.view.GestureDetector$GestureHandler.handleMessage(GestureDetector.java:281)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at android.os.Handler.dispatchMessage(Handler.java:99)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at android.os.Looper.loop(Looper.java:137)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at android.app.ActivityThread.main(ActivityThread.java:4514)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at java.lang.reflect.Method.invokeNative(Native Method)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at java.lang.reflect.Method.invoke(Method.java:511)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
12-21 22:38:59.498: E/AndroidRuntime(3011):  at dalvik.system.NativeStart.main(Native Method)
I'm not sure where to put the featureLayer.getGraphicIDs(x, y, tolerance) method, here my code at line 148 based error on logcat above       public void onSingleTap(float x, float y) {
        // convert event into screen click
        pointClicked = mapView.toMapPoint(x, y);
        // build a query to select the clicked feature
        Query query = new Query();
        query.setOutFields(new String[] { "*" });
        query.setSpatialRelationship(SpatialRelationship.INTERSECTS);
        query.setGeometry(pointClicked);
        query.setInSpatialReference(mapView.getSpatialReference());
        // call the select features method and implement the callbacklistener
        featureLayer.getGraphicIDs(x, y, 15);
        
        featureLayer.selectFeatures(query, ArcGISFeatureLayer.SELECTION_METHOD.NEW, new CallbackListener<FeatureSet>() {
          // handle any errors
          public void onError(Throwable e) {
            Log.d(TAG, "Select Features Error" + e.getLocalizedMessage());
          }
          public void onCallback(FeatureSet queryResults) {
            if (queryResults.getGraphics().length > 0) {
              Log.d(TAG, "Feature found id=" + queryResults.getGraphics()[0].getAttributeValue(featureLayer.getObjectIdField()));
              // set new data and notify adapter that data has changed
              listAdapter.setFeatureSet(queryResults);
              listAdapter.notifyDataSetChanged();
              // This callback is not run in the main UI thread. All GUI
              // related events must run in the UI thread,
              // therefore use the Activity.runOnUiThread() method. See
              // http://developer.android.com/reference/android/app/Activity.html#runOnUiThread(java.lang.Runnable)
              // for more information.
              AttributeEditorActivity.this.runOnUiThread(new Runnable() {
                public void run() {
                  // show the editor dialog.
                  showDialog(ATTRIBUTE_EDITOR_DIALOG_ID);
                }
              });
            }
          }
        });
      }am I wrong?