Browse building floors

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Sample viewer app

Display and browse through building floors from a floor-aware web map.

BrowseBuildingFloorsApp

Use case

Having map data to aid indoor navigation in buildings with multiple floors such as airports, museums, or offices can be incredibly useful. For example, you may wish to browse through all available floor maps for an office in order to find the location of an upcoming meeting in advance.

How to use the sample

Use the spinner to browse different floor levels in the facility. Only the selected floor will be displayed.

How it works

  1. Create a PortalItem using the itemId of the floor-aware web map.
  2. Set the MapView to display the PortalItem.
  3. Wait for the map to load and retrieve the map's floor manager from MapView.Map.FloorManager. Then run FloorManager.loadAsync().
  4. Wait for the floor manager to load using FloorManager.addDoneLoadingListener to retrieve the floor-aware data.
  5. Set all floors to not visible FloorManager.levels[floor-number].isVisible = false.
  6. Set only the selected floor to visible using FloorManager.levels[floor-number].isVisible = true.
  • Note: Manually set the default floor level to the first floor.

Relevant API

  • FloorManager

About the data

This sample uses a floor-aware web map that displays the floors of Building L on the Esri Redlands campus.

Additional information

The API also supports browsing different sites and facilities in addition to building floors.

Tags

building, facility, floor, floor-aware, floors, ground floor, indoor, level, site, story

Sample Code

MainActivity.kt
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/* Copyright 2021 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.sample.browsebuildingfloors

import android.content.Context
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.*
import androidx.appcompat.app.AppCompatActivity
import com.esri.arcgisruntime.loadable.LoadStatus
import com.esri.arcgisruntime.mapping.ArcGISMap
import com.esri.arcgisruntime.mapping.floor.FloorLevel
import com.esri.arcgisruntime.mapping.floor.FloorManager
import com.esri.arcgisruntime.mapping.view.MapView
import com.esri.arcgisruntime.portal.Portal
import com.esri.arcgisruntime.portal.PortalItem
import com.esri.arcgisruntime.sample.browsebuildingfloors.databinding.ActivityMainBinding
import com.esri.arcgisruntime.sample.browsebuildingfloors.databinding.BrowseFloorsSpinnerItemBinding


class MainActivity : AppCompatActivity() {

    private val TAG: String = MainActivity::class.java.simpleName

    private val activityMainBinding by lazy {
        ActivityMainBinding.inflate(layoutInflater)
    }

    private val mapView: MapView by lazy {
        activityMainBinding.mapView
    }

    private val levelSpinner: Spinner by lazy {
        activityMainBinding.levelSpinner
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(activityMainBinding.root)

        // load the portal and create a map from the portal item
        val portal = Portal("https://www.arcgis.com/", false)
        val portalItem = PortalItem(portal, "f133a698536f44c8884ad81f80b6cfc7")
        val map = ArcGISMap(portalItem)

        // set the map to be displayed in the layout's MapView
        mapView.map = map

        map.addDoneLoadingListener {
            if (map.loadStatus == LoadStatus.LOADED && map.floorDefinition != null) {
                // get and load the floor manager
                val floorManager = map.floorManager
                floorManager.loadAsync()
                floorManager.addDoneLoadingListener {
                    if (floorManager.loadStatus == LoadStatus.LOADED) {
                        // set up spinner and initial floor level to ground floor
                        initializeFloorSpinner(floorManager)
                    } else {
                        val error = "Error loading floor manager: " + floorManager.loadError.message
                        Log.e(TAG, error)
                        Toast.makeText(this, error, Toast.LENGTH_LONG).show()
                    }
                }
            } else {
                val error = "Error loading map or map is not floor-aware"
                Toast.makeText(this, error, Toast.LENGTH_LONG).show()
                Log.e(TAG, error)
            }
        }
    }

    /**
     * Set and update the floor spinner. Shows the currently selected floor
     * and hides the other floors using [floorManager].
     */
    private fun initializeFloorSpinner(floorManager: FloorManager) {
        levelSpinner.apply {
            // set the spinner adapter for the floor selection
            adapter = FloorsAdapter(this@MainActivity, floorManager.levels)
            // handle on spinner item selected
            onItemSelectedListener =
                object : AdapterView.OnItemSelectedListener {
                    override fun onItemSelected(
                        parentView: AdapterView<*>?,
                        selectedItemView: View?,
                        position: Int,
                        id: Long
                    ) {
                        // set all the floors to invisible to reset the floorManager
                        floorManager.levels.forEach { floorLevel ->
                            floorLevel.isVisible = false
                        }
                        // set the currently selected floor to be visible
                        floorManager.levels[position].isVisible = true
                    }

                    // ignore if nothing is selected
                    override fun onNothingSelected(parentView: AdapterView<*>?) {}
                }
            // Select the ground floor using `verticalOrder`.
            // The floor at index 0 might not have a vertical order of 0 if,
            // for example, the building starts with basements.
            // To select the ground floor, we can search for a level with a
            // `verticalOrder` of 0. You can also use level ID, number or name
            // to locate a floor.
            setSelection(floorManager.levels.indexOf(
                floorManager.levels.first { it.verticalOrder == 0 }
            ))
        }
    }

    /**
     * Adapter to display a list of floor levels
     */
    private class FloorsAdapter(
        context: Context,
        private var floorLevels: MutableList<FloorLevel>
    ) :
        BaseAdapter() {

        private val mLayoutInflater: LayoutInflater =
            context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater

        override fun getCount(): Int {
            return floorLevels.size
        }

        override fun getItem(position: Int): Any {
            return floorLevels[position]
        }

        override fun getItemId(position: Int): Long {
            return position.toLong()
        }

        override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
            // bind the view to the layout inflater
            val listItemBinding =
                BrowseFloorsSpinnerItemBinding.inflate(this.mLayoutInflater).apply {
                    // bind the long name of the floor to it's respective text view
                    listItem.text = floorLevels[position].longName
                }
            return listItemBinding.root
        }
    }

    override fun onPause() {
        mapView.pause()
        super.onPause()
    }

    override fun onResume() {
        super.onResume()
        mapView.resume()
    }

    override fun onDestroy() {
        mapView.dispose()
        super.onDestroy()
    }
}

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