Delete features from an online feature service.
Use case
Sometimes users may want to delete features from an online feature service.
How to use the sample
Tap on a feature on the map and tap the trash icon to delete it.
How it works
- Create a
ServiceFeatureTable
object from a URL. - Create a
FeatureLayer
object from theServiceFeatureTable
. - Select features from the
FeatureTable
viaqueryFeaturesAsync()
. - Remove the selected features from the
ServiceFeatureTable
usingdeleteFeaturesAsync()
. - Update the table on the server using
applyEditsAsync()
.
Relevant API
- Feature
- FeatureLayer
- ServiceFeatureTable
Tags
deletion, feature, online, Service, table
Sample Code
/*
* Copyright 2019 Esri
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.esri.arcgisruntime.samples.deletefeaturesfeatureservice;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.DialogFragment;
import androidx.appcompat.app.AlertDialog;
public class ConfirmDeleteFeatureDialog extends DialogFragment {
private static final String ARG_FEATURE_ID = ConfirmDeleteFeatureDialog.class.getSimpleName() + "_feature_id";
private String featureId;
private final DialogInterface.OnClickListener mOnClickListener = (dialog, which) -> {
if (getContext() instanceof OnButtonClickedListener) {
if (which == DialogInterface.BUTTON_POSITIVE) {
((OnButtonClickedListener) getContext()).onDeleteFeatureClicked(featureId);
} else {
dismiss();
}
}
};
public static ConfirmDeleteFeatureDialog newInstance(String featureId) {
ConfirmDeleteFeatureDialog fragment = new ConfirmDeleteFeatureDialog();
Bundle args = new Bundle();
args.putString(ARG_FEATURE_ID, featureId);
fragment.setArguments(args);
return fragment;
}
@Override public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.featureId = getArguments().getString(ARG_FEATURE_ID);
}
@NonNull @Override public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
return new AlertDialog.Builder(getContext())
.setMessage(getString(R.string.dialog_confirm_delete_message, featureId))
.setPositiveButton(R.string.dialog_confirm_delete_positive, mOnClickListener)
.setNegativeButton(R.string.dialog_confirm_delete_negative, mOnClickListener)
.create();
}
public interface OnButtonClickedListener {
void onDeleteFeatureClicked(String featureId);
}
}