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Sample viewer app
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 the ServiceFeatureTable
.
- Select features from the
FeatureTable
via queryFeaturesAsync(...)
.
- Remove the selected features from the
ServiceFeatureTable
using deleteFeaturesAsync(...)
.
- Update the table on the server using
applyEditsAsync()
.
Relevant API
- Feature
- FeatureLayer
- ServiceFeatureTable
deletion, feature, online, Service, table
Sample Code
ConfirmDeleteFeatureDialog.ktMainActivity.ktUse dark colors for code blocks
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/*
* 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.appcompat.app.AlertDialog
import androidx.fragment.app.DialogFragment
class ConfirmDeleteFeatureDialog : DialogFragment() {
private lateinit var featureId: String
private val onButtonClickedListener = DialogInterface.OnClickListener { _, which ->
if (context is OnButtonClickedListener) {
if (which == DialogInterface.BUTTON_POSITIVE) {
(context as OnButtonClickedListener).onDeleteFeatureClicked(featureId)
} else {
dismiss()
}
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
arguments?.let {
it.getString(ARG_FEATURE_ID)?.let { featureId ->
this.featureId = featureId
}
}
}
override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
return AlertDialog.Builder(requireContext())
.setMessage(getString(R.string.dialog_confirm_delete_message, featureId))
.setPositiveButton(R.string.dialog_confirm_delete_positive, onButtonClickedListener)
.setNegativeButton(R.string.dialog_confirm_delete_negative, onButtonClickedListener)
.create()
}
interface OnButtonClickedListener {
fun onDeleteFeatureClicked(featureId: String)
}
companion object {
private val ARG_FEATURE_ID =
ConfirmDeleteFeatureDialog::class.java.simpleName + "_feature_id"
fun newInstance(featureId: String): ConfirmDeleteFeatureDialog {
val fragment = ConfirmDeleteFeatureDialog()
val args = Bundle()
args.putString(ARG_FEATURE_ID, featureId)
fragment.arguments = args
return fragment
}
}
}