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/* Copyright 2018 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.distancemeasurementanalysis;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.UnitSystem;
import com.esri.arcgisruntime.concurrent.ListenableFuture;
import com.esri.arcgisruntime.geoanalysis.LocationDistanceMeasurement;
import com.esri.arcgisruntime.geometry.Distance;
import com.esri.arcgisruntime.geometry.Point;
import com.esri.arcgisruntime.geometry.SpatialReferences;
import com.esri.arcgisruntime.layers.ArcGISSceneLayer;
import com.esri.arcgisruntime.mapping.ArcGISScene;
import com.esri.arcgisruntime.mapping.ArcGISTiledElevationSource;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.BasemapStyle;
import com.esri.arcgisruntime.mapping.Surface;
import com.esri.arcgisruntime.mapping.view.AnalysisOverlay;
import com.esri.arcgisruntime.mapping.view.Camera;
import com.esri.arcgisruntime.mapping.view.DefaultSceneViewOnTouchListener;
import com.esri.arcgisruntime.mapping.view.SceneView;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.concurrent.ExecutionException;
public class MainActivity extends AppCompatActivity {
private SceneView mSceneView;
private TextView mDirectDistance;
private TextView mVerticalDistance;
private TextView mHorizontalDistance;
private LocationDistanceMeasurement distanceMeasurement;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// authentication with an API key or named user is required to access basemaps and other
// location services
ArcGISRuntimeEnvironment.setApiKey(BuildConfig.API_KEY);
// create a scene and add a basemap to it
final ArcGISScene scene = new ArcGISScene(BasemapStyle.ARCGIS_TOPOGRAPHIC);
// inflate views from layout
mSceneView = findViewById(R.id.sceneView);
mDirectDistance = findViewById(R.id.totalDistance);
mHorizontalDistance = findViewById(R.id.horizontalDistance);
mVerticalDistance = findViewById(R.id.verticalDistance);
Spinner unitSpinner = findViewById(R.id.units_spinner);
// set the scene to the view
mSceneView.setScene(scene);
// add base surface for elevation data
Surface surface = new Surface();
surface.getElevationSources().add(new ArcGISTiledElevationSource(
"https://scene.arcgis.com/arcgis/rest/services/BREST_DTM_1M/ImageServer"));
scene.setBaseSurface(surface);
// add building layer
ArcGISSceneLayer sceneLayer = new ArcGISSceneLayer(
"https://tiles.arcgis.com/tiles/P3ePLMYs2RVChkJx/arcgis/rest/services/Buildings_Brest/SceneServer/layers/0");
// offset for visual purposes
sceneLayer.setAltitudeOffset(1);
scene.getOperationalLayers().add(sceneLayer);
// create analysis overlay and add it to scene
AnalysisOverlay analysisOverlay = new AnalysisOverlay();
mSceneView.getAnalysisOverlays().add(analysisOverlay);
// initialize a distance measurement and add it to the analysis overlay
Point start = new Point(-4.494677, 48.384472, 24.772694, SpatialReferences.getWgs84());
Point end = new Point(-4.495646, 48.384377, 58.501115, SpatialReferences.getWgs84());
distanceMeasurement = new LocationDistanceMeasurement(start, end);
analysisOverlay.getAnalyses().add(distanceMeasurement);
// zoom to initial measurement
Camera camera = new Camera(start, 300.0, 315.0, 60.0, 0.0);
mSceneView.setViewpointCamera(camera);
// initialize a list to contain the available units
ArrayList<String> unitsList = new ArrayList<>();
for (UnitSystem unitSystemItem : UnitSystem.values()) {
unitsList.add(unitSystemItem.toString());
}
// set up drop-down list
ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item,
unitsList);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
unitSpinner.setAdapter(adapter);
unitSpinner.setSelection(1);
unitSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override public void onItemSelected(AdapterView<?> adapterView, View view, int position,
long l) {
switch (position) {
case 0:
distanceMeasurement.setUnitSystem(UnitSystem.IMPERIAL);
break;
case 1:
distanceMeasurement.setUnitSystem(UnitSystem.METRIC);
break;
default:
Toast.makeText(MainActivity.this, "Unsupported option", Toast.LENGTH_SHORT).show();
break;
}
}
@Override public void onNothingSelected(AdapterView<?> adapterView) {
}
});
// show the distances in the UI when the measurement changes
final DecimalFormat decimalFormat = new DecimalFormat("#.##");
distanceMeasurement.addMeasurementChangedListener(measurementChangedEvent -> {
Distance directDistance = distanceMeasurement.getDirectDistance();
Distance verticalDistance = distanceMeasurement.getVerticalDistance();
Distance horizontalDistance = distanceMeasurement.getHorizontalDistance();
mDirectDistance.setText(String.format("%s %s",
decimalFormat.format(directDistance.getValue()),
directDistance.getUnit().getAbbreviation()));
mHorizontalDistance.setText(String.format("%s %s",
decimalFormat.format(horizontalDistance.getValue()),
horizontalDistance.getUnit().getAbbreviation()));
mVerticalDistance.setText(String.format("%s %s",
decimalFormat.format(verticalDistance.getValue()),
verticalDistance.getUnit().getAbbreviation()));
});
// add onTouchListener to set the start point and end point with a SingleTap and a DoubleTapDrag
mSceneView.setOnTouchListener(new DefaultSceneViewOnTouchListener(mSceneView) {
@Override
public boolean onSingleTapConfirmed(MotionEvent motionEvent) {
// convert from screen point to location point
android.graphics.Point screenPoint = new android.graphics.Point(
Math.round(motionEvent.getX()),
Math.round(motionEvent.getY()));
ListenableFuture<Point> locationPointFuture = mSceneView.screenToLocationAsync(screenPoint);
locationPointFuture.addDoneListener(() -> {
try {
Point location = locationPointFuture.get();
distanceMeasurement.setStartLocation(location);
} catch (InterruptedException | ExecutionException e) {
String error = "Error converting screen point to location point ";
Log.e(MainActivity.this.toString(), error + ":" + e.getMessage());
Toast.makeText(MainActivity.this, error, Toast.LENGTH_LONG).show();
}
});
return true;
}
@Override
public boolean onDoubleTouchDrag(MotionEvent motionEvent) {
// convert from screen point to location point
android.graphics.Point screenPoint = new android.graphics.Point(
Math.round(motionEvent.getX()),
Math.round(motionEvent.getY()));
ListenableFuture<Point> locationPointFuture = mSceneView.screenToLocationAsync(screenPoint);
locationPointFuture.addDoneListener(() -> {
try {
Point location = locationPointFuture.get();
distanceMeasurement.setEndLocation(location);
} catch (InterruptedException | ExecutionException e) {
String error = "Error converting screen point to location point ";
Log.e(MainActivity.this.toString(), error + ":" + e.getMessage());
Toast.makeText(MainActivity.this, error, Toast.LENGTH_LONG).show();
}
});
return true;
}
});
}
@Override
protected void onPause() {
super.onPause();
// pause SceneView
mSceneView.pause();
}
@Override
protected void onResume() {
super.onResume();
// resume SceneView
mSceneView.resume();
}
@Override protected void onDestroy() {
super.onDestroy();
// dispose SceneView
mSceneView.dispose();
}
}
